Document:

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                                                                    Exhibit 10.6
                                                      August 7, 2000

                             Manufacturing Agreement

               Relating to the Production of Auto-Disable Syringes
                               TERUMO Europe N.V.

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                                    Contents

Clause number                                                                                                           Page
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<S>               <C>                                                                                                    <C>
       1.         Definitions and interpretation..........................................................................1
       1.1        Definitions.............................................................................................1
       1.2        Interpretation..........................................................................................4
       2.         Appointment of Supplier ................................................................................6
       2.1        Appointment  ...........................................................................................6
       2.2        Relationship  ..........................................................................................6
       3.         Pre-production period and Term   .......................................................................7
       3.1        Pre-production period ..................................................................................7
       3.2        Term ...................................................................................................7
       3.3        Extension of Term.......................................................................................7
       4.         Supplier's obligations..................................................................................7
       4.1        Manufacturing of Products...............................................................................7
       4.2        Specifications..........................................................................................7
       5.         Client obligations......................................................................................7
       5.1        Development of markets..................................................................................7
       5.2        Annual Purchase of Orders...............................................................................8
       6.1        Orders..................................................................................................8
       6.2        Acceptance and Processing of Orders.....................................................................8
       6.3        Specifications .........................................................................................8
       6.4        Confirmation of acceptance of Orders....................................................................8
       6.5        Terms of Supply.........................................................................................8
       7.         Prices, Costs and payment...............................................................................8
       7.1        Prices & costs .........................................................................................8
       7.2        Payment Terms ..........................................................................................9
       8.         intellectual Property...................................................................................9
       8.1        No transfer of Intellectual Property....................................................................9
       8.2        Improvements of Intellectual Property...................................................................9
       8.3        Protection of Intellectual Property.....................................................................9
       8.4        Brand Name and Trade marks.............................................................................10
       9.         Supplier's Warranties..................................................................................10
      10.         Clients Warranties.....................................................................................10
      11.         Indemnities............................................................................................11
      12.         Termination prior to expiry of Term....................................................................12
      12.1        Immediate termination..................................................................................12
      12.2        Obligations upon Termination...........................................................................12
      12.3        Pending Orders.........................................................................................12
      12.4        Effects of Termination.................................................................................13
      13.         Confidentiality........................................................................................13
      13.1        Client Obligations of confidentiality..................................................................13
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                                      -ii-

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<S>               <C>                                                                                                    <C>
      13.2        Supplier Obligations of Confidentiality................................................................13
      13.3        Disclosure to Employees................................................................................14
      13.4        Disclosure to Media....................................................................................14
      13.5        Obligations survive termination........................................................................14
      13.6        Permitted disclosures of Confidential Information......................................................14
      14.         Notices................................................................................................14
      14.1        Requirements...........................................................................................14
      14.2        Receipt................................................................................................15
      15.         General provisions.....................................................................................15
      15.1        Entire agreement.......................................................................................15
      15.2        Further assurances.....................................................................................15
      15.3        Costs..................................................................................................15
      15.4        Product Liability......................................................................................15
      15.5        Force Majeure..........................................................................................16
      15.6        No merger..............................................................................................16
      15.7        Warranties and Indemnities.............................................................................16
      15.8        Invalid or unenforceable provisions....................................................................16
      15.9        Waiver and exercise of rights..........................................................................16
      15.10       Amendment..............................................................................................16
      15.11       Counterparts...........................................................................................17
      15.12       Rights cumulative......................................................................................17
      16.         Transitory provision...................................................................................17
      17.         Disputes...............................................................................................17
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                                     -iii-
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Manufacturing Agreement

Relating to the production of Auto-Disable Syringes.

         This Agreement is made on the 16th day of August, 2000.

         Between

         Terumo Europe N.V., a company having its principal place of business
         in Belgium at Researchpark 2 Haasrode, Interleuvenlaan 40, B-3001
         Leuven ("Supplier")

         and

         Univec Inc., a company having its principal place of business in USA,
         at 22 Dubon Court, Farmingdale, NY 11735 ("Client").

         Recitals

         (a)      The Supplier manufactures the sterile Products.

         (b)      The Client wishes to appoint the Supplier as a manufacturer of
                  the Products under Brand Name and Trade Name of the Client for
                  the exclusive sale and marketing of those products by the
                  Client on the terms and conditions set out in this Agreement

                  Operative provisions

1.       Definitions and interpretation

         1.1      Definitions

         In this Agreement unless the context requires another meaning:

         "Annual Purchase Order, means a yearly order of an annual quotum, to be
placed by Client at the start of the calendar year and to be called-off by the
Client during that year.

         "Business Day" means a day that is not a Saturday, Sunday or a public
holiday in Belgium (for Supplier) or in New York - U.S.A. (for Client);

         "Call-off Order" means the effective order request from the Standing
Order to produce and deliver Products;

         "Commencement Date" means the date of the last undersigning of this
Agreement or such other date as the parties agree in writing, whichever is the
later,

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         "Confidential Information" means all:

         (a)      know-how, trade secrets, ideas, marketing strategies,
concepts, technical and operational information owned or used by the Supplier or
the Client (as the case may be); proprietary business information, such as
financial condition, bidding practices, costs, distributors, and customer
mailing lists;

         (b)      information concerning the affairs or Products or any
business, property or transaction in which the Supplier or the Client (as the
case may be) may be or may have been concerned or interested;

         (c)      information about the terms of this Agreement

         (d)      information labeled by either party as confidential;

and any information which, by its nature or by the circumstances of its
disclosure, is or could reasonably be expected to be regarded as confidential
to:

         (a)      the Supplier or the Client (as the case may be); or

         (b)      any third party with whose consent or approval the Supplier or
Client uses that information;

but does not include any information :

         (a)      which is or becomes part of the public domain other than by
reason of a breach of the terms of this Agreement or

         (b)      which at the time of the disclosure is in possession of the
disclosed party; or which after the disclosure is developed independently of
Confidential Infbn-nation disclosed by the other party.

         "Confirmation of acceptance of Order", means the document whereby the
Supplier confirms to Client its acceptance of the Call-Off Order under the
conditions as set forth in such document

         "Control" means any situation where a person (a "Controlling Person")
has, or is entitled to acquire, the right or power to secure, whether directly
or directly, the affairs of another person (the "Controlled Person") that are
conducted under the wishes of the Controlling Person including, if one or more
Controlling Persons holds :

         (a)      50% of the Controlled Person or of the voting rights attaching
to the Controlled Person's shares; or

         (b)      the power to control the composition directly or indirectly,
the appointment of more than 50% of any board of directors or other governing
body of the Controlled Person;

                                      -2-
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         In addition to any other rights and powers, there is attributed to any
Controlling Person:

         (a)      any rights or powers which another person possesses or is or
may be required to exercise on the Controlling Person's direction or behalf, and

         (b)      all rights and powers of any person over which any Controlling
Person alone or with other Controlling Persons has control;

         "Government Agency" means:

         (a)      a government, whether foreign, federal, state, territorial or
local;

         (b)      a department office or minister of a government acting in that
capacity; and

         (c)      a commission, delegate, instrumentality, agency, board, or
other government semi-government, judicial, administrative, monetary or fiscal
authority, whether statutory or not

         "Insolvency Event" means in relation to a party the happening of one or
more of the following events:

         (a)      except for the purpose of a solvent reconstruction or
amalgamation,

                  (i)      process is filed in a court seeking an order that it
be wound up or that a trustee in bankruptcy be appointed to it or any of its
assets, unless the application is withdrawn, struck out or dismissed; or

                  (ii)     an order is made that it be wound up or that a
trustee be appointed to it or any of its assets, unless the order or appointment
is withdrawn, struck out or dismissed; or

                  (iii)    a resolution that it be wound up is passed or
proposed unless the resolution is withdrawn, struck out or dismissed;

         (b)      a liquidator, provisional liquidator, trustee or any similar
official is appointed to, or takes possession or control of, all or any of its
assets or undertaking;

         (c)      an administrator is appointed to it a resolution that an
administrator be appointed to it is passed or proposed, or any other steps are
taken to appoint an administrator to it

         (d)      it enters into, or resolves to enter into, an arrangement
compromise or composition with any of, or any class of its creditors, or an
assignment for the benefit of any of, or any class of, its creditors, or process
is filed in a court seeking approval of any such arrangement compromise or
composition;

         (e)      a reorganization, moratorium, deed of company arrangement or
other administration involving one or more of it's a-editors is proposed or
effected.

                                      -3-
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         (f) any action is taken by the National Authorities with a view to
canceling its registration or to dissolving it or an application is made to the
National Authorities that any such action be taken;

         (g) it is insolvent within the meaning of applicable company law and
the law of the State of Delaware and USA federal law for the Client) as
disclosed in its Accounts or otherwise, states that it is unable to pay its
debts or it is presumed to be insolvent under any applicable law,

         (h) as a result of the operation of applicable company law (and the law
of the State of Delaware and USA federal law for the Client), it is taken to
have failed to comply with a statutory demand;

         (i)      it stops or suspends or threatens to stop or suspend:

                  (i)      the payment of all or a class of its debts; or

                  (ii)     the conduct of all or a substantial part of its
business or threatens to do so; or

                  (iii)    anything having a substantially similar effect to any
of the events specified in the preceding paragraphs happens to it under the law
of any jurisdiction;

         "Intellectual Property Rights" means all rights in all trade marks,
patents, copyrights, designs, trade secrets and other similar legally
enforceable rights anywhere in the world owned, used, or intended to be used, by
the Supplier or Client ( as the case may be) whether or not registered,
registrable or patentable, and include:

         (a)      the Trade Marks;

         (b)      the Confidential Information; and

         (c)      rights in any patent trade mark or design applications, rights
in the nature of copyright, product formulations, processes, methods and
inventions;

         "Order" means the request by the Client, binding on the Client, to
purchase a given number of Products

         "Products" means Auto-Disable Syringes, details of which are set out in
the Technical Agreement a copy of which is annexed hereto.

         "Pre-production Period" means the period from the Commencement Date
until the starting date of the Term of the Agreement during which the parties
will prepare for the start-up of the production in accordance with Section 3

         "Related Party" means a party which is under the Control of or which
has the Control over the Supplier respectively the Client

         "Standing order"  means the running Annual Purchase Order for the then
current year

                                      -4-
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         "Start Date" means the calendar date at which the Pre-production
Period shall be completed and at which the Term of this Agreement shall start

         "Term" means the fixed unreductable period of five (5) years starting
at the Start Date plus any extension by mutual agreement of the parties in
accordance with Section 3.2

         "Trade Marks" means the signs used, or intended to be used, by the
Supplier, whether as owner or under license, to distinguish the Products from
those of others. These signs:

         (a)      may be registered or unregistered; and

         (b)      may be in the form, either separately or in any combination,
of a letter, word, name, signature, numeral, device, brand, heading, label,
ticket aspect of packaging, shape, color, sound or scent.

1.2      Interpretation

         In this Agreement unless the context requires another meaning:

         (a)      a reference:
                  (i)      to the singular includes the plural and vice versa;

                  (ii)     to a gender includes all genders;

                  (iii) to a document (including this Agreement) is a reference
to that document (including any Schedules and Annexes) as amended, consolidated,
supplemented, novated or replaced;

                  (iv)     to an agreement includes any undertaking,
representation, deed, agreement or legally enforceable arrangement or
understanding whether written or not,

                  (v)      to a party means a party to this Agreement;

                  (vi)     to an item, Recital, clause, Schedule or Annexure is
to an item, Recital, clause, Schedule or Annexure of or to this Agreement

                  (vii)    to a notice means a notice, approval, demand, request
nomination or other communication given by one party to another under or in
connection with this Agreement

                  (viii)   to a person (including a party) includes:

                           (A)       an individual, company, other body
corporate, association, partnership, firm, joint venture, trust or Government
Agency; and

                                      -5-
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                           (B)      the person's successors, permitted assigns,
substitutes, executors and administrators;

                  (ix)     to a law.

                           (A)       includes a reference to any legislation,
treaty, judgment, rule of common law or equity or rule of any applicable stock
exchange; and

                           (B)       is a reference to that law as amended,
consolidated, supplemented or replaced; and

                           (C)      includes a reference to any regulation,
rule, statutory instrument by-law or other subordinate legislation made under
that law;

                  (x)      to proceedings includes litigation, arbitration and
investigation;

                  (xi)     to a judgement includes an order, injunction, decree,
determination or award of any court or tribunal;

                  (xii)    to time is to Central European Time;

                  (xiii)   the word including or includes means including, but
not limited to, or includes, without limitation.

         (b)      Where a word or phrase is defined, its other grammatical forms
have a corresponding meaning

         (c)      A warranty, representation, covenant, or obligation given or
entered into by more than one person binds them jointly and severally.

         (d)      Headings are for convenience only and do not affect
interpretation.

         (e)      If a payment or other act must (but for this clause) be made
or done on a day that is not a Business Day, then it must be made or done on the
next Business Day.

         (f)      If a period occurs from, after or before a day or the day of
an act or event, it excludes that day.

2.       Appointment of Supplier

         2.1       Appointment.

                  The Client appoints the Supplier as manufacturer of the
Products, details as set out in the Technical Agreement during the Term on the
terms and conditions set out in this Agreement.

                                      -6-
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                  The Supplier agrees to produce the Products and sell the
Products to the Client on the terms and conditions set out in this Agreement

         2.2      Relationship.

         The Supplier and the Client acknowledge and agree that

         (a)      The Supplier has been appointed by the Client for the purpose
of manufacturing the Products to the terms set out in this Agreement

         (b)      The Supplier shall purchase from Client the Equipment which is
the subject of a separate Equipment Purchase Agreement entered into between the
parties on the same date as the present Agreement

         (c)      Neither party shall represent or hold itself out to any third
party as being a representative or agent of each other except as authorized by
this Agreement or otherwise in writing by the other party;

         (d)      Neither party shall conclude or purport to conclude any
contract or agreement or make or purport to make any commitment, representation,
misrepresentation or warranty on behalf of or which binds the other party or
otherwise act in the name of or on behalf of the other party without the prior
written consent of the other

         (e)      The Supplier and the Client acknowledge and agree that

                  (a)      nothing in this Agreement shall be construed as
creating the relationship of principal and agent or a partnership with the
Supplier, and

                  (b)      this Agreement is personal to each of the Client and
the Supplier and shall not be assigned by or without the prior written consent
of the other party; the Supplier however is entitled to assign approved
subcontractors for a part or the complete process of manufacturing.

                  (c)      [OMITTED CONFIDENTIAL INFORMATION]

3.       Pre-production period Term

         3.1      Pre-production period.

         Immediately following the Commencement Date the parties shall start to
prepare the installation of the equipment and the start-up of the production
process. The parties shall in good faith endeavor to complete this process as
early as possible.

         3.2      Term.

         This Agreement shall continue for the Term unless terminated earlier
under clause 12.

                                      -7-
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         3.3      Extension of Term.

                  The parties may agree in writing to extend the Term for each
subsequent 12 month period.

4.       Supplier's obligations

         4.1      Manufacturing of Products.

         The Supplier commits to produce the Products in accordance with the
Technical Agreement

         4.2      Specifications.

         Products supplied by the Supplier shall be in accordance with Standards
and Specifications as outlined in the Technical Agreement.

[OMITTED CONFIDENTIAL INFORMATION]

5.       Client obligations

         5.1      Development of markets.

         Samples of the Product for evaluation, sales promotion or market
registration, shall be at the Client's costs, except for the CE certification of
the Product under the Medical Devices Regulation which will be obtained by the
Supplier at the Supplier's expense.

         5.2      Annual Purchase Orders

[OMITTED CONFIDENTIAL INFORMATION]

6.       Supply to Client

         6.1      Orders.

         Orders and call-offs of Standing Orders for the Products shall be given
by the Client to the Supplier in writing at the address of the Supplier stated
in clause 14.1 or such other address as may be subsequently notified by the
Supplier to the Client in writing.

         6.2      Acceptance and Processing of Orders.

         Upon an Order or Standing Order inquiry, the Supplier shall inform the
Client within 10 days about the availability of free capacity.

                                      -8-
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         It is the Clients responsibility to transfer the Orders or Call-Off
Orders to the Supplier in a timely manner in order to allow the Supplier to
comply with the provisions of the Technical Agreement and to take into account
the Supplier's capacity.

         Orders and Call-off Orders from Client will be processed based on the
available free capacity of the Supplier at that given time. The Orders and
Call-Off Orders will be processed subject to the Supplier's own requirements.

         Notwithstanding the above, Supplier and Client may agree, at the time
of accepting an firm Annual Purchase Order, that the Call-off Orders will be
processed on an equal basis with the Supplier's own requirements for the
Product, provided that the Call-off Orders are given in a timely manner to allow
the Supplier to adjust his production planning in an orderly manner.

         6.3      Specifications

         The orders for the Products shall specify the Products required by
reference to the name and product code, the quantity of the Products required
and the date on which the Client requires delivery of the order.

         6.4       Confirmation of acceptance of Orders

         Within the 10 business days following receipt of the Call-Off Order,
the Supplier shall issue a confirmation of acceptance of Call-Off Order to the
Client confirming the terms of the order and specifying the price or prices for
the Products ordered in [OMITTED CONFIDENTIAL INFORMATION]. The order shall be
final and binding upon the parties upon the Supplier sending the Confirmation of
acceptance of Order.

         6.5      Terms of Supply

         The products are supplied to the Client on Terms and Conditions as set
out in Schedule 1. This Agreement Prevails in the event of any conflict between
this Agreement and the Standard Terms and Conditions of Supplier as accepted in
Schedule 1. The Products will be supplied according to the terms of Schedule 1,
in which is agreed i.e. that the Products are delivered Ex Works Terumo Europe
in a warehouse used by the Supplier, where they can be called off by the Client
during a month. After this month the Supplier charge a cost of [OMITTED
CONFIDENTIAL INFORMATION] Products per month for the use of the warehouse
without detrimental acknowledgment

7.       Prices, Costs and payment

         7.1       Prices & Costs

         The Supplier shall charge the Client the prices and costs for the
Products as set out in Schedule 2. [OMITTED CONFIDENTIAL INFORMATION]

                                      -9-
<PAGE>

         Date of this Agreement Thereafter the Supplier may increase the prices
and costs for the Products from time to time during the Term but no more than
once per year and shall provide three (3) months prior written notice of any
variation to the Client and any such increase shall be done with evidence of
manufacturing, material and handling cost increases. Any variation of the prices
and costs will apply to all orders received by the Supplier on or after the
effective date of the variation.

         Price increases will not apply to orders placed under long term
contracts between the Client and his customer but only for that portion of the
price increase which under such contract could not be passed on by the Client to
the customer. However, if a price increase has been announced, the new price
shall apply to any new long term contract entered into by the Client after the
announcement and a subsequent price increase shall not apply to orders placed
under such contract unless (and to the extent only that) such further increase
could be passed on to the Clients customer.

         As an exception to the above, the Supplier agrees not to apply price
increases during the entire Term of this Agreement for Products which the Client
will order for relief agencies or institutional customers. For those customers,
a price increase will apply only if the Client is able to effect a corresponding
price increase in the prices received from such customers and any increase will
apply only to that portion of the increase and only on those Products to be sold
to the customers that accept such price increase.

         7.2      Payment Terms

         Payment of the Products from the Client to the Supplier shall be in
accordance with Terms and Conditions as set out in Schedule 2.

8.       Intellectual Property

         8.1       No transfer of Intellectual Property

         All Intellectual Property Rights in the Products remain with the
Client. Nothing in this Agreement is intended to transfer any interest in any
Intellectual Property Rights.

         8.2      Improvements of Intellectual Property

         All rights with regard to patentable improvements in either the
Products or the equipment shall be jointly held by Client and Supplier.

         Either party shall be entitled to use the improved technology for its
own production (whether by third parties or otherwise) without the permission of
or the payment of a royalty to the other party. Either party shall have the
right to license the developed technology to any third party, except that
licenses to Related Parties shall need the consent of the other party on the
amount and payment of the royalty.

         Any revenues deriving from licensing the developed technologies to
third parties shall be shared equally between the parties.

                                      -10-
<PAGE>

         8.3      Protection of Intellectual Property Both Parties agree to
immediately notify each other in writing of any infringement or suspected
infringement by any third party of any of the Parties' Intellectual Property
Rights which comes to its attention.

         8.4      Brand Name and Trade marks

         (a)      The Client agrees for the Supplier to use his proprietary
Brand Name and Trade Marks for the Products' packaging and labeling of Products
produced for Client.

         (b)      The Supplier acknowledges that the usage of Client's Brand
Name and Trade marks are restricted only for application to the Products on the
terms and conditions set out in this Agreement.

9.       Supplier's Warranties

         The Supplier represents and warrants to the Client that:

         (a)      it is a corporation duly formed and validly existing under the
laws (b) it does not lack the necessary corporate power and authority to enter
into this Agreement and perform obligations under it and its execution, delivery
and performance of this Agreement have been duly authorized by all necessary
corporate actions;

         (c)      neither the execution and delivery of this Agreement nor the
performance by it of this Agreement will violate any provision of its
Certificate of Incorporation and by-laws;

         (d)      the Supplier has not taken any action which would preclude or
adversely affect the Suppliers full performance of this Agreement nor failed to
take any action necessary in order to authorize or enable such performance;

         (e)      with respect to the technology used for the manufacturing of
the Products such as the use of thermoplastic gaskets, nothing in this Agreement
will infringe any intellectual property and other rights of any third party
including but not limited to any rights which a third party may have to or in
the Products;

         (f)      it has the capacity, ability and all property, including
intellectual property, necessary to perform its obligations under the Agreement
and

         (g)      the quality of the Products shall continue to meet the
requirements of the  Technical Agreement.

10.       Client's Warranties

         The Client represents and warrants to the Client that;

         (a)      the Client is a corporation duly formed and validly existing
under the laws of the State of Delaware, USA;

                                      -11-
<PAGE>

         (b)      the Client has the necessary corporate power and authority to
enter into and perform obligations under this Agreement and the Clients
execution, delivery and performance of this Agreement has been duly authorized
by all necessary corporate action;

         (c)      neither the execution and delivery of this Agreement nor the
performance by the Client of this Agreement will violate any provision of the
Clients Certificate of Incorporation and bylaws;

         (d)      the Client has neither taken any action which would preclude
or adversely affect the Client's full performance of this Agreement nor failed
to take any action necessary in order to authorize or enable such performance;

         (e)      the Clients Intellectual Property Rights and other rights in
and to the Products do not at the date of this Agreement prevent it from
granting the rights to the Supplier under this Agreement and will not affect
those rights during the Term;

         (f)      nothing in this Agreement will infringe any intellectual
property and other rights of any third party including but not limited to any
rights which a third party may have to or in the Products: and

         (g)      it has the capacity, ability and all property, including
intellectual property, necessary to perform its obligations under the Agreement

11.      Indemnities

         11.1     Supplier shall indemnify and hold harmless Client from any
loss or damages incurred by Client because of claims, suits, or demands based on
personal injury or death or property damage or third-party claims, suits or
demands, to the extent such loss or damage is caused by or results from a
defective product manufactured by Supplier, provided: (1) Client promptly
notifies Supplier in writing of any suits, claims or demands against Client for
which Supplier can be held responsible under this indemnity, (ii) Client gives
Supplier full opportunity and authority to defend and settle such suits, and
(iii) Client furnishes to Supplier upon request all information and reasonable
assistance available to Client for defense against any such suit claim, or
demand. Provided that Supplier shall be relieved from its indemnification
obligations by a failure of Client to comply with the foregoing clauses (1)
through (iii) only to the extent it is prejudiced thereby;

         11.2     Without prejudice to Section 11. 1 above, Supplier shall
indemnify Client for all proven damages arising directly or indirectly from a
breach by Supplier of its obligations under this Agreement provided that the
Supplier's liability for failing to fill an Order or Call-off Order duly
accepted by the Supplier, will under all circumstances be limited to a fixed
compensatory indemnity of missing units.

         11.3     Client shall indemnify Supplier for all proven damages arising
directly or indirectly from a breach by Client of its obligations under this
Agreement.

         11.4     Each party shall indemnify and hold the other party harmless
from any proven damages which would result from the unauthorized disclosure or
use of Intellectual Property Rights or Confidential Information entrusted to the

                                      -12-
<PAGE>

other party within the framework of this Agreement if such other party (or its
agents or employees) is responsible the disclosure or use of said Intellectual
Property Rights or Confidential Information in breach of the present Agreement.

         11.5     Notwithstanding anything contrary contained in this Agreement
neither party shall be liable to the other for any incidental or consequential
damages arising from or as a result from the failure to perform its obligations
under this Agreement, or because of defective products manufactured or delivered
under this Agreement, except if such damages would arise as a result of the
other party's bad faith or gross negligence.

         11.6     Except for the indemnities specified herein, Supplier makes no
warranty express or implied, and specifically disclaims the implied warranties
of merchantability and fitness for any particular purpose.'

12.      Termination prior to expiry of Term

         12.1     Immediate termination

         This Agreement may be terminated with immediate effect and Without
prior recourse to the courts upon the provision of written notice to the other
party upon the occurrence of any of the following events in relation to the
other party referred to in this clause;

         a.       by either of the parties when the other party fails to perform
or fails to observe any of its essential obligations under this Agreement or
otherwise breaches a material term of this Agreement and such default (if it is
curable) is not cured within 30 days after the default has been notified to the
defaulting party. The payment obligations of the Client as set forth in Schedule
2 are, as an example and without limitation, considered to be essential;

         b.       by the Supplier when the agreed-upon minimum Annual Purchase
Orders  are not duty called-off by the Client.

         c.       by the Client when the Products manufactured by the Supplier
fail to meet  the Standards and Specifications stipulated in Section 4.2

         d.       by either of the parties when the other party becomes the
subject of an  Insolvency Event;

         e.       by the Supplier when, as a result of a change in the Clients
identity, the Products could no longer be manufactured under the conditions
stated in the Technical Agreement and its Annexes and the Supplier would have to
manufacture the Products under a competitor's brand name.

         12.2     Obligations upon Termination.

Upon termination of this Agreement for any reason, each party will cease to use
and, at its expense and at the other party's option, either return to the other
party or certify in writing the destruction of all the other party's
Confidential Information and all materials incorporating any of the other
party's Intellectual Property Rights, provided that this provision will not

                                      -13-
<PAGE>

affect any of the Suppliers rights under the Patent License Agreement between
the Client as Licensor and the Supplier as Licensee.

         12.3     Pending Orders

         To the sole discretion of the Supplier, Orders and Standing Orders
placed by the Client prior to termination of the Agreement and which have not
yet been delivered by the Supplier to the nominated Client address shall be
classed as valid orders. A valid Order shall remain effective and survive
termination of this Agreement

12.4     Effects of Termination

         When the present Agreement is terminated for breach by one party, the
other party shall be entitled to damages at the charge of the defaulting party.

13.      Confidentiality

         During the term of this Agreement both parties shall exchange
Confidential Information and statistics relating to the Products and neither
party shall, during the term of this Agreement and thereafter, divulge any
Confidential Information relating to the other party's operations, products or
any information obtained pursuant to this Agreement.

         Both parties acknowledge that they have entered into Confidentiality
Agreements with each other, separate from this Agreement.

         13.1     Client Obligations of confidentiality The Client must

         (a)      keep confidential all Confidential Information disclosed to it
by the Supplier,

         (b)      keep all materials containing Confidential Information
disclosed to it by the Supplier secure and protect them from theft damage, loss
or unauthorized access;

         (c)      not use Confidential Information disclosed to it by the
Supplier for any  purpose other than as contemplated by this Agreement and

         (d)      ensure that obligations no less strict than those imposed upon
the Client are observed by any of its employees or officers involved in the
sale, promotion and distribution of the Products.

         (e)      Acknowledge that the Supplier has the right to forward any or
all Confidential Information to either its parent company, namely Terumo
Corporation, a company incorporated in Japan, and/or Terumo affiliates, provided
that Supplier guarantees that the confidentiality undertakings will be passed on
and be observed by its parent and affiliates.

                                      -14-
<PAGE>

         13.2     Supplier Obligations of Confidentiality

                  The Supplier

         (a)      must keep confidential all Confidential Information disclosed
to it by the Client,

         (b)      must keep all materials containing Confidential Information
disclosed to it by the Client secure and protect them from theft damage, loss or
unauthorized access;

         (c)      must not use Confidential Information disclosed to it by the
Client for any  purpose other than as contemplated in this Agreement,

         (d)      must ensure that obligations no less strict than those imposed
upon the Supplier are observed by any of its employees or officers involved in
the performance of its obligations under this Agreement and

         (e)      acknowledge that the Client has the right to forward any or
all Confidential Information to its affiliates in which it has a controlling
interest provided that Client guarantees that the confidentiality undertakings
will be passed on and be observed by such affiliates.

         13.3     Disclosure to Employees

         Each party may only disclose Confidential Information owned by the
other party to its employees, officers and agents (or the employees, officers or
agents of the group to which such party belongs) if such disclosure is necessary
to fulfil its obligations under this Agreement.

         13.4     Disclosure to Media

         Each party shall refrain from issuing or conducting any interview,
report or press release regarding the existence or terms of this agreement
unless the statement is provided in advance for review by the other party and
the comments of the other party incorporated in the reasonable discretion of the
disclosing party. Further, unless the disclosing party reasonably believes it to
be required by law or rule of any stock exchange on which such party's stock is
listed or quoted, neither party shall issue any press release regarding the
existence or terms of this agreement to which the odd party shall reasonably
object

         13.5     Obligations survive termination

         The obligations of confidentiality set out in this clause 13 survive
termination of this Agreement for a period of no more than five years after
termination.

         13.6     Permitted disclosures of Confidential Information

         Nothing in this Section 13 prevents any party from disclosing any
Confidential Information if compelled by any law or by order of any court of
competent jurisdiction.

                                      -15-
<PAGE>

14.      Notices

         14.1     Requirements

         All notices must be:

         (a)      in legible writing and in English;

         (b)      addressed to the recipient at the address or facsimile number
set out below or to any other address or facsimile number that a party may
notify to the other party:

         to the Supplier.

         Terumo Europe N.V.
         Researchpark 2 Haasrode,
         Interleuvenlaan 40, B-3001 Leuven, Belgium.

         to the Client

         Univec Inc
         22 Dubon Court

         Farmingdale, NY 11735, USA

         (c)      signed by the party or, where the sender is a company, by an
authorized officer or under the common seal of the sender, and

         (d)      sent to the recipient by hand, prepaid post airmail or
facsimile or e-mail.

         14.2     Receipt

         Without limiting any other means by which a party may be able to prove
that a notice has been received by the other party, a notice will be considered
to have been received

         (a)      if sent by hand, when left at the address of the recipient,

         (b)      if sent by facsimile, on receipt by the sender of an
acknowledgment or transmission report generated by the senders machine
indicating that the whole facsimile was sent to the recipients facsimile number,

         (c)      E-mails are only accepted as valid notification after
confirmation of receipt has been sent by the party to whom the e-mail was sent

                                      -16-
<PAGE>

         but if a notice is served by hand, or is received by the recipient's
facsimile, on a day that is not a Business Day, or after 5:00 p.m. (recipients
local time) on a Business Day, the notice will be considered to have been
received by the recipient at 9.00 am on the next Business Day.

15.      General provisions

         15.1     Entire agreement

         This Agreement, including the Schedules is the entire agreement of the
parties about the subject matter of this Agreement and supersedes all prior
representations, negotiations, arrangements, understandings or agreements and
all other communications between the parties relating thereto. No party has
entered into this Agreement relying on any representations made by or on behalf
of the other, other than those expressly made in this Agreement.

         The parties acknowledge that they also concluded a separate License
Agreement.

         15.2     Further assurances

         Each party must at its own expense, whenever reasonably requested by
the other party, promptly do or arrange for others to do, everything reasonably
necessary or desirable to give full effect to this Agreement.

         15.3     Costs;

         Each party must pay its own costs in respect of this Agreement and the
documents and transactions contemplated by this Agreement.

         15.4     Product Liability

         Subject to the conditions stipulated in Section I I above, the Supplier
shall indemnify and hold harmless the Client according to the Belgian law on
product liability of February 25, 1991 implementing the European Directive on
Product Liability.

         15.5     Force Majeure

         Neither party hereto shall be liable for failure to perform, or for any
delay in performing, any of its obligations when such failure or delay is caused
by fire, food, riot earthquake, accident explosion, war, shortages of fuel,
power raw materials, delays in transportation, seizure under legal process,
orders or acts of any government acts of God or any cause beyond the reasonable
control of the party affected.

         15.6     No merger

         The warranties, other representations and promises by the parties are
continuing and will not merge or be extinguished on termination of this
Agreement.

                                      -17-

<PAGE>

         15.7     Warranties and Indemnities

         The warranties and indemnities in this Agreement are:

         (a)      continuing, separate and independent obligations of the
parties from their other obligations and survive the termination of this
Agreement and

         (b)      absolute and unconditional and unaffected by anything that
might have the effect of prejudicing, releasing, discharging or affecting in any
other way the liability of the party giving the indemnity.

         15.8     Invalid or Unenforceable  Provisions

         If a provision of this Agreement is invalid or unenforceable in a
jurisdiction

         (a)      it is to be read down or severed in that jurisdiction to the
extent of the invalidity or unenforceability; and

         (b)      that fact does not affect the validity or enforceability of:

                  (i)      that provision in another jurisdiction; or

                  (ii)     the remaining provisions.

         15.9     Waiver and exercise of rights

         A waiver by a party of a provision of or of a right under this
Agreement is binding on the party granting the waiver only if it is given in
writing and is signed by the party or an authorized officer of the party
granting the waiver. Any waiver not put in writing by an authorized officer of
either party of any breach of any of the provisions of this Agreement shall not
prevent the subsequent enforcement of that provision and shall not be deemed to
be a waiver of any subsequent breach.

         15.10    Amendment

         This Agreement may be amended only by a document signed by all parties.

         15.11    Counterparts

         This Agreement may be signed in counterparts and all counterparts taken
together constitute one document.

                                      -18-
<PAGE>

         15.12    Rights cumulative

         The rights, remedies and powers of the parties under this Agreement are
cumulative and do not exclude any other rights, remedies or powers.

16.      Transitory provision

         It is stated by the Client and acknowledged by the Supplier that the
client for the time being is not in a position to place a minimum Annual
Purchase Order. It is therefore agreed that Section 5.2 above and all other
provisions in this Agreement which could affect the rights and obligations of
the parties with respect to such minimum Annual Purchase orders will not become
operative until such time that both parties agree, by common consent to make
those provisions applicable.

17.      Disputes

         In the event of any dispute, controversy or difference arising in
connection with this Agreement the parties shall endeavor to settle the issue in
an amicable manner.

         If no amicable solution can be reached, the matter shall be finally
settled by the Rules of Arbitration of the International Chamber of Commerce by
one or more arbitrators appointed in accordance with the said Rules under the
authority of the I.C.C. Secretariat in Paris, France.

Executed as an agreement.

Signed for and on behalf of               Signed for and on behalf of
Univec Inc.                               Terumo Europe N.V.
By its duly authorized representative     By its duty authorized representative
Name: /s/ Joel Schoenfeld                 Name:/s/ Y. Nakajima
Title: Chairman                           Title: Vice President
Date: August 11, 2000                     Date: August 16, 2000

                                      -19-
<PAGE>

                                   Schedule I

Terms of Supply

Payment terms

         Invoices payment, Prices and costs according to schedule 2.

Delivery Conditions

Goods shall be delivered according to Clause 6.4 of the agreement Ex Works
TERUMO Europe Warehouse

Goods shall be delivered on Euro-palet (I2OOx8OO mm), maximum height 1700 mm
palet included.

Indications of product code, Item, lot number and expiry date visible on the
outside of the palet.

All documents to mention:
         o Client order No
         o product code & description
         o lot number (except on invoices)

General Terms and Conditions of TERUMO Europe as mentioned on the invoice, copy
attached to Schedule 2 as integral part of it unless otherwise stipulated in
this Agreement

This Agreement prevails in the event of any conflict between this Agreement and
the Standard Terms and Conditions of the Supplier.

                                      -20-
<PAGE>

                                   Schedule 2

Prices, Costs and Payment Terms.

Product prices

         [OMITTED CONFIDENTIAL INFORMATION]

 Payable in [OMITTED CONFIDENTIAL INFORMATION]

 Warehousing costs.

Products are delivered EXW (Ex Works) TERUMO Europe in a warehouse used by the
Supplier, where they can be called off by the Client during a month. After this
month the Supplier charge a cost of [OMITTED CONFIDENTIAL INFORMATION] Products
per month for the use of the warehouse without detrimental acknowledgment.

Payment Terms.

Invoices will be paid 30 days from invoice date, covered by stand-by L/C (Letter
of Credit). Invoices shall be paid in accordance with the General Terms and
Conditions of TERUMO Europe as mentioned on the Invoice, copy attached to
Schedule 2 as integral part of it, unless otherwise stipulated in this Agreement
This Agreement prevails in the event of any conflict between this agreement and
the Standard Terms and Conditions of the Supplier.

                                      -21-<PAGE>

                                                                    Exhibit 10.7
                                             9 August 2000

                          Equipment Purchase Agreement

Between TERUMO Europe N.V
and Univec Inc.

<PAGE>

INDEX
Article I - Definitions and interpretation                                     4
Article 2 - Sale and Purchase of the Equipment                                 5
Article 3 - Design, pre-shipment inspection and shipment                       5
Article 4 - Delivery and Installation                                          6
Article 5 - Acceptance                                                         6
Article 6 - Risk and ride to the Equipment                                     7
Article 8 - Warranties of the Seller                                           8
Article 9 - Assignment of the Manufacturers Warranties                         9
Article 10 - Documentation                                                     9
Article I I - Cancellation                                                     9
Article 12 - Confidentiality                                                   9
        12.1 Seller's Obligations of Confidentiality                           9
        12.2 Purchaser's Obligations of Confidentiality                       10
        12.3 Disclosure to Employees                                          10
        12.4 Disclosure to Media                                              10
        12.5 Obligations survive termination                                  10
        12.6 Permitted disclosures of Confidential Information                11
Article 13 - Miscellaneous                                                    11
        13.1 Notices                                                          11
        13.2 Waiver                                                           11
        13.3 Amendments                                                       11
        13.4 Force Majeure                                                    11
Article 14 - Governing law and Jurisdiction                                   11
Article 15 -Agency                                                            11
Article 16 - Suspensive Condition                                             12

<PAGE>

Equipment Purchase Agreement

By and BETWEEN

TERUMO EUROPE N.V., a company having its registered office at 3001 Leuven
(Belgium), Researchpark 2 Haasrode, Int4ieuvenlaan 40;

hereinafter referred to as the "Purchaser";

AND:

UNIVEC INC., a company having its registered office at 11735 New York (USA), 22
Dubon Court Farmingdale;

hereinafter referred to as the "Seller":

WHEREAS the Seller and Purchaser are entering into a Patent Licensing Agreement
and a Manufacturing Agreement relating to the production of Licensed Products
(as defined in those Agreements);

WHEREAS the manufacturing of the Licensed Products requires the installation of
certain Equipment at the premises of the Purchaser;

WHEREAS the Seller is in a position to design and procure the Equipment from a
qualified manufacturer and has expressed its interest in selling such Equipment
to the Purchaser.

WHEREAS the Seller is willing to sell the Equipment to the Purchaser who is
willing to acquire the Equipment subject to the terms and conditions set forth
in this Agreement

IT HAS BEEN AGREED UPON AS FOLLOWS

<PAGE>

Article 1 - Definitions and Interpretation

         In this Agreement (including the above recitals), unless the context
         otherwise requires, the following capitalized words and expressions
         shag have the meaning hereinafter defined:

         "Agreement" shall mean the present agreement together with its Annexes;

         "Business Day" shall mean a day that is not a Saturday, Sunday or
         public holiday in Belgium

         "Confidential Information" means all:

(a) know-how, trade secrets, ideas, marketing strategies, concepts, technical
and operational information owned or used by the Seller or the Purchaser (as the
case may be);

(b) information concerning the affairs or Products or any business, property or
transaction in which the Seller or the Purchaser (as the case may be) may be or
may have been concerned or interested;

(c) information about the terms of this Agreement

(d) information labeled by either party as confidential,

and any information which, by its nature or by the circumstances of its
         disclosure, is or could reasonably be expected to be regarded as
         confidential to:

(a) the Seller or the Purchaser (as the case may be); or

(b) any third party with whose consent or approval the Seller or the Purchaser
uses that information;

but does not include any information

(a) which is or becomes part of the public domain other than by reason of a
breach of the terms of this Agreement or

(b) which at the time of the disclosure is in possession of the disclosed party;
or

(c) which after the disclosure is developed independently of Confidential
Information disclosed by the other party.

"Equipment" shall mean the equipment as set forth in Annex I to this Agreement

"Installation" shall mean the mechanical positioning of the Equipment within the
manufacturing plant of the Purchaser and the successful completion of a starting
phase functional testing procedure;

<PAGE>

"Installation Completion Date" shall mean the date on which the Installation
must be completed pursuant to section 4.1 of this Agreement

"Letter of Credit" shall mean the letter of credit in the form of Annex 11 to
this Agreement to be provided by a financial institution of good international
standing, acceptable to the Purchaser, providing for payment to the Purchaser of
certain amounts on the failure of the Seller to deliver the Equipment as more
fully set forth therein.

"Licensed Products" shall have the same meaning as defined under the Patent
Licensing Agreement

"Manufacturing Agreement" shall mean the manufacturing agreement relating to the
production of auto-disable syringes entered into by and between the Parties on
the same date as the present Agreement

"Patent Licensing Agreement" shall mean the licensing agreement granting to the
Purchaser the right to manufacture and sell the Licensed Products and entered
into by and between the Parties on the same date as the present Agreement

"Parties" or "Party" shall mean the, or one of the, signatories of this
Agreement

"Purchaser Letter of Credit" shall mean the letter of credit in the form of
Annex III to this Agreement

Article 2 - Sale and Purchase of the Equipment

         Subject to the terms and conditions of this Agreement the Purchaser
         undertakes to purchase from the Seller and the Seller undertakes to
         sell to the Purchaser the Equipment in an entirely new and workable
         condition (subject only to normal usage in testing and validating the
         Equipment), within the delivery and installation period specified in
         Article 3 hereof.

Article 3 - Design, pre-shipment inspection and shipment

3.1   The Seller shall, within 15 Business Days after the signing of this
      Agreement provide the Purchaser with all necessary information in order to
      enable the Purchaser to evaluate the design of the Equipment

      If the design is not in compliance with the design specifications; set
      forth in Annex 1, the Purchaser shall notify the Seller of such
      non-compliance The Seller shall then take forthwith all appropriate
      measures, at its own expense, to remedy such non-compliance of the
      Equipment and shall inform the Purchaser of all measures taken in that
      respect If the design is satisfactory to the Purchaser, the Purchaser
      shall confirm its acceptance of ft design to the Seller.

      All disputes between Seller and Purchaser concerning the design
      specifications; shall be submitted to arbitration as set forth in Article
      14.

<PAGE>

3.2   Without prejudice to any other rights of the Purchaser under this
      Agreement or under any laws the Seller shall allow the Purchaser or any
      person designated by the Purchaser to carry out a first inspection and
      testing of the Equipment prior to shipment The Seller shall notify the
      Purchaser when the Equipment shall be available for such inspection and
      testing and the Parties shall agree in good faith on the timing of such
      inspection and testing. The Seller shall provide the Purchaser or any
      person designated by the Purchaser with all necessary assistance for
      carrying out such inspection.

      If, after inspection and completion of the testing, the Equipment does not
      comply with the technical specifications set forth in Annex I and/or if
      the Equipment is defective, the Purchaser shall notify the Seller of such
      non-compliance or defects. The Seller shall then take forthwith all
      appropriate measures, at its own expense, to remedy such non compliance or
      defects prior to the delivery of the Equipment and shall notify the
      Purchaser of all measures taken in that respect If the inspection and
      testing is satisfactory to the Purchaser, the Purchaser shall notif the
      Seller that the Equipment can be shipped. All disputes between Seller and
      Purchaser concerning the compliance of the Equipment with the design
      specifications shall be submitted to arbitration as set forth in Article
      14.

3.3   The Seller shall be solely responsible for arranging, at its own cost and
      expense, appropriate transportation, and for taking out all necessary
      insurance covering damage and/or loss or theft of the Equipment during the
      transportation in order to deliver the Equipment pursuant to article 4
      hereunder, free of any taxes (other than VAT), charges, duties or other
      rights.

3.4   The Equipment shall be suitably packed, at Sellers cost so as to avoid
      damage, destruction or theft during transportation.

Article 4 - Delivery and Installation

4.1   The Parties hereby mutually agree that the due and timel delivery and
      installation of the Equipment is of the essence of this Agreement

      The Seller shall (i) deliver and offload the Equipment a the Purchaser's
      plant in Haasrode, prior to or on the last Business Day of a period of
      twenty (20) weeks after the signing date of this Agreement and (ii)
      complete the Installation of the Equipment at the Purchaser's plant prior
      to or on the last Business Day of a period of twenty-three (23) weeks
      after the signing date of this Agreement (such date, the "Installation
      Completion Date). Notwithstanding the foregoing, Seller and Purchaser
      shall endeavor to complete all of their responsibilities to have the
      Equipment delivered and Installed in advance of the Installation
      Completion Date, as soon as reasonably practicable after the date of this
      Agreement The Seller shall be solely responsible for completing the
      Installation of the Equipment at its costs to the satisfaction of the
      Purchaser, except that the pre-installation costs at the premises of the
      Purchaser will be at the charge of the Purchaser, as well as so-called
      hook-up costs, for example: connection of electa, fluida, exhausts. Each
      party shall be responsible for the due and timely performance of its
      obligations with respect to the Installation in such a manner that the
      Installation can be completed within three weeks following the arrival of
      the Equipment at the Purchasers plant in Haasrode, Belgium.

<PAGE>

4.2   If the completion of the Installation is delayed for any reason whatsoever
      or if the Seller has any reason to anticipate that the Installation
      Completion Date shall not be met the Seller shall forthwith inform the
      Purchaser of such fact

      Without any prejudice to any other remedies, in case the Seller has not
      completed the Installation of the Equipment by the Installation Completion
      Date and such delay is not caused by an event of Force Majeure or through
      any action or inaction of the Purchaser, the Seller shall, at the request
      of the Purchaser refund to the Purchaser, within two (2) Business Days
      following request therefor from the Purchaser, any portion of the purchase
      price already paid to the Seller by the Purchaser.

      As a surety for the undertakings of the Seller under thi section 4 (as
      more fully set forth in the Letters of Credit), the Seller shall provide
      the Purchaser with the Letters of Credit in the forms as attached to this
      Agreement as Annex 11 and Annex Ill.

      If the Seller has not completed the Installation of the Equipment by the
      Installation Completion Date, and such delay is not caused by an event of
      Force Majeure or through any action or inaction of the Purchaser, the
      Purchaser shall automatically and without further notice, and without
      prejudice to any other rights under this Agreement or any laws, be
      entitled to terminate this Agreement and to purchase equipment similar to
      the Equipment from any other seller or manufacturer. For th avoidance of
      any doubt it is understood and hereby confirmed by the Seller that the
      Purchaser shall be entitled, without the further consent of the Seller and
      notwithstanding any stipulation to the contrary, to utilize this
      replacement equipment to manufacture the Licensed Products under the
      Manufacturing Agreement and Patent Licensing Agreement

Article 5 - Acceptance

5.1   The Equipment shall be subject to inspection and testing by the purchaser.
      Such inspection shall take place in accordance with the provisions and the
      timing stipulated in Article 4.2. The Purchaser shall never be deemed to
      hav accepted the Equipment as long as such inspection and testing have not
      been accomplished successfully.

5.2   As long as the Purchaser has not accepted the Equipment in the manner
      provided for under section 5.3 hereof, the Purchaser shall be entitle to
      reject the Equipment if it does not comply with the Equipment
      specifications set forth in Annex I or otherwise agreed upon in writing at
      the occasion of the inspection and testing performed prior to shipment
      pursuant to section 3.2. In such case, the Purchaser shall return the
      non-complying Equipment to the Seller, at the Sellers risk and expense,
      and the Seller shall reimburse the Purchaser for any portion of the
      purchase price paid

5.3   Once the Purchaser has completed its inspection and testing of the
      Equipment and has established that the Equipment is operating to the
      reasonable satisfaction of the Purchaser in accordance with the
      specifications set forth in Annex 1, the Purchaser shall accept the
      Equipment by delivering a written certificat of acceptance to the Seller.

5.4   Acceptance of the Equipment or payment of the purchase price by the
      Purchaser or any reimbursement by the Seller under the preceding sections

<PAGE>

      shall be without prejudice to any other right the Purchaser may invoke
      under this Agreement or otherwise in relation to defects or non-compliance
      of the Equipment.

Article 6-Risk and title to the Equipment

      Unless otherwise agreed in writing between the Parties, title to the
      Equipment shall pass to the Purchaser upon delivery to the Seller of the
      written certificate of acceptance for the Equipment Risk of loss of the
      Equipment shall pass to the Purchaser on delivery thereof to the
      Purchaser's facility in Haasrode, Belgium.

      Terumo and its insurers declare to waive all recourse they could exercise
      against Univec and its agents or employees for any acts performed during
      the Installation of the Equipment at the premises of the Purchaser, except
      for wilful or malicious acts on their part

Article-7 Purchase price and payment

7.1   The purchase price to be paid by the Purchaser to the Seller for the
      purchase of the Equipment shall be in the amount of [OMITTED CONFIDENTIAL
      INFORMATION] by bank transfer to the account at FIBI Bank (Switzerland),
      Ltd., designated by the Seller or (ii) through the Purchaser Letter of
      Credit in each cas in accordance with the installments set forth in
      section 7.2.

7.2   The payment of the purchase price shall be made in with the following
      schedule:

(i)   [OMITTED CONFIDENTIAL INFORMATION] (FIBI Bank will be permitted to dispose
      of such funds in accordance with the terms of the Letter of Credit set
      forth in Annex 11) but provided that the Letters of Credit are delivered
      to the Purchaser,

(ii)  [OMITTED CONFIDENTIAL INFORMATION] Payment of this portion of the purchase
      price may be mad through the Purchaser Letter of Credit

(iii) [OMITTED CONFIDENTIAL INFORMATION] the Purchaser has no warranty claim
      against the Seller.

7.3   Prior to or simultaneously with the payment of the portion of the purchase
      price referred to in clause (i) of Section 7.2, the Purchaser shall provid
      the Seller with the Purchaser Letter of Credit in the form as attached to
      this Agreement as Annex Ill.

Article 8-Warranties of the Seller

8.1   The Seller warrants that the Equipment will be free from any defects,
      hidden or not in design, material and workmanship at the time of
      acceptance or any defects, hidden or not in design, material and
      workmanship which develop under normal use and that the Equipment will be
      fit for the purpose for which the Purchaser is purchasing the Equipment
      The Seller further warrants that the Equipment will not infringe the
      intellectual property rights of any third party.

<PAGE>

8.2   The Seller shall promptly and at its costs and expenses (including but not
      limited to all labor costs and traveling costs) repair or, if necessary,
      replace the materials, parts or equipment found to be defective.

8.3   Any costs and risk of transportation and replacement of th defective
      materials, parts or equipment including the costs for de-installation and
      r installation, shall be borne by the Seller.

8.4   The Seller shall have no liability under the warranties set forth in
      sections 8.1, 8.2 and 8.3 so far as any defects arise

      (i)   due to ordinary wear and tear,

      (ii)  as a result of willful damage or negligence of the Purchaser or
            damages due to inappropriate operation by the Purchaser

      (iii) in the event that the Purchaser has performed material physical
            modifications to the Equipment without the authorization by the
            Seller or any modification performed without the authorization of
            the Seller that is the cause of the defect

8.5   The Seller shall have available for performing its duties hereunder and
      delivering and installing the Equipment in due time, all required tools,
      accessories and labor.

8.6   The Seller has, and shall have caused the manufacturer to have, fully
      compiled with and will comply with all laws and regulations applicable to
      the Equipment in Belgium (including health and safety standards), as well
      as all EU regulations and legislation applicable to equipment identical to
      or of the same type as the Equipment

8.7   [OMITTED CONFIDENTIAL INFORMATION]

8.8   As a guarantee for the due performance by the Seller of its warranty
      obligations under this - Article 8, the Purchaser shall retain 5% of the
      purchase price of the Equipment until one year following the Installation
      Completion Date, it being understood that this retainer is not to be
      construed as a limitation on the rights of the Purchaser to claim full
      compensation of its prejudice if the warranty obligations of the Seller
      are not satisfied.

Article 9- Assignment of the Manufacturers' Warranties

      Without prejudice to the Seller's warranty obligations under Article 8
      above, Seller shall at the time of ordering the Equipment from the
      different manufacturers obtain from those manufacturers an undertaking,
      confirmed in writing to the Purchaser, that the manufacturers agree to
      extend their ordinary warranties directly to the benefit of the Purchaser.

Article 10- Documentation

      Seller shall provide the Purchaser with all necessary documents (including
      any relevant drawings) relating, among other, to the use, operation and
      maintenance of the Equipment including, without limitation :

<PAGE>

      o     operating instructions

      o     maintenance manuals,

      o     programming manuals,

      o     technical documentation,

      and any other documentation required according to the European Standards
      specified in the EU Machine Guidelines 89/392 EU as amended and updated.
      All such documents shall be provided free of charge to the Purchaser and
      shall be written in the English and the Dutch language.

Article 11- Cancellation

      Without prejudice to any other rights of the Purchaser under this
      Agreement or otherwise, the Purchaser shall have the right to cancel this
      Agreement in whole or in part by simple notice and without any liability
      whatsoever to the Seller in the events set forth in section 4.3 and 5.2 of
      this Agreement

Article 12- Confidentiality

      During the term of this Agreement both parties shall exchange Confidential
      Information and neither party shall, during the term of this Agreement and
      thereafter, divulge any Confidential Information relating to the other
      party's operations, products or any information obtained pursuant to this
      Agreement

      Both parties acknowledge that they have entered into Confidentiality
      Agreements with each other, separate from this Agreement.

12.1  Sellers Obligation of Confidentially

The Seller must

(a)   keep confidential all Confidential Information disclosed to it by the
      Purchaser,

(b)   keep all materials containing Confidential Information disclosed to it by
      the Purchaser secure and protect them from theft damage, loss or
      unauthorized access;

(d)   not use Confidential Information disclosed to it by th Purchaser for any
      purpose other than as contemplated by this Agreement and

(e)   ensure that obligations no less strict than those impose upon the Seller
      are observed by any of its employees or officers involved in the
      implementation of this Agreement

(e)   Acknowledge that the Purchaser has the right t forward any or all
      Confidential Information to either its parent company, namely Terumo
      Corporation, a company incorporated in Japan, and/or Terumo affiliates,

<PAGE>

      provided that Purchaser guarantees that the confidentiality undertakings
      will be passed on and be observed by its parent and affiliates.

12.2  Purchaser's Obligations of Confidentiality

The Purchaser

(a)   must keep confidential all Confidential Information disclosed to it by ft
      Seller

(b)   must keep all materials containing Confidential Information disclosed to
      it by the Seller secure and protect them from theft damage, loss or
      unauthorized access;

(c)   must not use Confidential Information disclosed to it by the Seller for
      any purpose other than as contemplated in this Agreement

(d)   must ensure that obligations no less strict than those imposed upon the
      Purchaser are observed by any of its employees or officers involved in the
      performance of its obligations under this Agreement

12.3  Disclosure to Employees

Each party may only disclose Confidential Information owned by the other party
to its employees, officers and agents (or the employees, officers or agents of
the group to which such party belongs) if such disclosure is necessary to fulfil
its obligations under this Agreement

12.4  Disclosure to Media

Each party shall refrain from issuing or conducting any interview, report or
press release regarding the existence or terms of this agreement unless the
statement is provided in advance for review by the other party and the comments
of the other party incorporated in the reasonable discretion of the disclosing
party. Further, unless the disclosing party reasonably believes it to be
required by law or rule of any stock exchange on which such party's stock is
listed or quoted, neither party shall issue any press release regarding the
existence or terms of this agreement to which the other party shall reasonably
object

11.5  Obligations survive termination

The obligations of confidentiality set out in this clause 12 survive termination
of this Agreement for a period of no more than five years after termination.

12.6  Permitted disclosures of Confidential Information

Nothing in this Section 12 prevents any party born disclosing any Confidential
Information if compelled by any law or by order of any court of competent
jurisdiction.

Article 13- Miscellaneous

            13.1  Notices

<PAGE>

      All notices to either Party shall be in writing and shall be delivered
      personally against written confirmation or receipt or sent by facsimile
      (and confirmed by registered Letter) addressed to the other Party at the
      registered office of each Party as set forth above.

      Any notice delivered by tax shall be deemed received at the time mentioned
      in the written confirmation of receipt Any notice delivered by registered
      mail shall be deemed to be received (in the absence of evidence of earlier
      receipt) five (5) days after posting.

            13.2  Waiver

      The failure of either Party to exercise any right power or option given to
      it under this Agreement or to insist upon strict compliance with the terms
      thereof by the other Party, shall not constitute a waiver of such term
      with respect to any other or subsequent breach thereof, nor be a waiver by
      either party of its rights any time thereafter to require exact and strict
      compliance with all terms thereof.

            13.3  Amendments

      Terms and Conditions may only be modified or amended by a written document
      signed by all parties hereto.

            13.4  Force Majoure

      Nether party hereto shall be liable for failure to perform, or for any
      delay in performing, any of its obligations when such failure or delay is
      caused by fire, flood, riot earthquake, accident explosion, war, shortages
      of fuel, power, raw materials, delays in transportation, seizure under
      legal process, orders or acts of any government or acts of God.

Article 14- Governing Law and jurisdiction

      This Agreement shall be governed by and interpreted in accordance with
      Belgian law. In case of disputes arising hereunder, the Parties undertake
      to pursue in good faith an amicable settlement

      If no amicable solution can be reached, the matter shall be finally
      settled by the Rules of Arbitration of the International Chamber of
      Commerce by one or more arbitrators appointed in accordance with the said
      Rules under the authority of the I.C.C. Secretariat in Paris, France.

Article 15 - Agency

      The Seller and the Purchaser agree that certain of the obligations of the
      Seller hereunder may be performed by an agent appointed by the Seller on
      the Sellers behalf, and the Purchaser expressly agrees to accept such
      performance to the extent it complies with the provisions of this
      Agreement provided that such agreement and acceptance shall not affect the
      Sellers obligation for a failure of its obligations to be performed.

<PAGE>

Article 16 - Suspensive Condition

      This Agreement shall enter into force and become binding on the Parties
      only provided that Seller shall have delivered to the Purchaser, within 10
      calendar days following the execution of the present Agreement by the
      Purchaser, the Advance Payment Guarantees, duly executed by FIBI, exactly
      in the form as shown in Annex (11) to this Agreement including as an
      attachment copies of the Letters of Credit referred to in said Advance
      Payment Guarantees, certified by FI BI and in the form as set forth in
      Annex .

      Should the Seller fail to provide the Purchaser with the Advance Payment
      Guarantees as required under this Article 16 strictly within the period
      stipulated in the preceding paragraph, this agreement shall automatically
      and without any further notice be cancelled, at the charge of the Seller,
      and neither of the Parties shall thereafter remain obligated under any of
      the terms of this Agreement except for the provisions of Article 12 and
      Article 14 which shall survive the cancellation of this Agreement In the
      event of such cancellation, Seller shall not be entitled to any claim,
      recourse or indemnity against the Purchaser for lack of profit loss of
      opportunity or otherwise.

      Should the Seller fail to provide the Purchaser with the Advance Payment
      Guarantees as required under this Article 16, within 10 calendar days
      following the execution of the present Agreement the Purchaser shall
      automatically and without further notice, and without prejudice to any
      other rights, be entitled to purchase equipment similar to the Equipment
      from any other seller or manufacturer.

      For the avoidance of any doubt it is understood and hereby confirmed by
      the Seller that the Purchaser shall be entitled, without the further
      consent of the Seller and notwithstanding any stipulation to the contrary,
      to utilize this replacement equipment to manufacture the Licensed Products
      under the Manufacturing Agreement and Patent Licensing Agreement

IN WITNESS WHEREOF, this Agreement has been duly executed by the Parties hereto
at New York/ Leuven, in No (2) original counterparts, each Party acknowledging
receipt of one duly signed original, on August 16th, 2000.

Terumo Europe N.V                                       Univec, Inc

/s/ Y. Nakajima                                     /s/ Joel Schoenfeld
---------------------------                         ----------------------------

by: Y. Nakajima                                         by:  Joel Schoenfeld

title:  Vice President                                  title: Chairman

<PAGE>

                           Annex I: Equipment Schedule

      Please refer to Document WD/id/00-277, edition 07.072000 - "Equipment
      Specification for Auto-Disable Syringes", copy attached.

<PAGE>

                   Annex II: Advance Payment Guarantee - FIBI

      We. . F.I.B.I. Bank (Schweiz) AG, Seestrasse 61, 8027 Zurich, Switzerland,
      herewith confirm to you, Terumo Europe NV (+ full name and address) that
      we have opened by order of Syrinter Ltd. (+ full name and address), ##
      irrevocable L/C's to cover the purchase of the following equipment:

      -

      -

      -

      Enclosed herewith are copies of the above mentioned L/C's, all certified
      true and correct by ourselves: these copies all form an integral part of
      this guarantee; these copies do not show the L/C amounts. These L/C's are
      all available for payment at sight at our counters.

      In case that for one or more of the above mentioned UC's, no documents or
      documents containing discrepancies will be presented at our counters
      within their respective expiry dates, we herewith guarantee you
      irrevocably and unconditionally that we shall pay to you automatically an
      amount of [OMITTED CONFIDENTIAL INFORMATION] with Fortis Bank NV, Leuven
      branch, Belgium (swift GEBABEBB08A), at the latest 10 (ten) working days
      after the expiry of said UC's.

      We commit ourselves irrevocably to inform Terumo Europe NV by courier
      service (DHL or similar) at the latest on the first working day after each
      of the above mentioned L/C's expiry dates about the fact whether conform
      documents were presented or not at our counters.

      We also commit ourselves not to amend or cancel the above mentioned L/C's
      without your prior written consent

      If we fail to comply with these commitments, this will imply automatically
      that we have to effect payment of the above mentioned amount of [OMITTED
      CONFIDENTIAL INFORMATION] as stated above in favor of Terumo Europe NV.

      This guarantee will expire at the latest on ................ (latest 15
      working days after the expiry date of all above mentioned L/C's).

      Partial payments under this guarantee are not allowed.

      This guarantee will enter into force immediately after the advance payment
      of .................. will have been effected by Terumo Europe NV in favor
      of account no. .................... of Syrinter Ltd. held with ourselves.

      Dated ................... at ....................

      For F.I.B.I. Bank (Schweiz) AG:

      ------------------------
      Authorized signatures

<PAGE>

                      Annex III: Purchaser Letter of Credit

From : Fortis Bank (formerly Generale Bank), Leuven, Belgium (swift address
:GEBABEBB)

To: (advising bank - beneficiary's bank)

40a   Form of Doc. Credit      Irrevocable

20    Doc. Credit number       (Fortis bank's reference)

31d   Expiry : date/place      Date: February 5th, 2001     Place: New York

50    Applicant (buyer)        TERUMO EUROPE NV
                               Research Park 2 Haasrode, Interleuvenlaan 40
                               B-3001 Leuven, Belgium

59    Beneficiary (seller)     UNIVEC (full name and address)

32b   Currency/Amount          Currency: [OMITTED  Amount: [OMITTED CONFIDENTIAL
                                         CONFI-            INFORMATION]
                                         DENTIAL
                                         INFORM-
                                         ATION]
39b   Max. Red. Amount         Maximum

41    Available with /by       With: Fortis Bank, Leuven   By:  Payment at sight

45a   Description of goods     Delivery and installation of equipment for the
                               production of auto-disable syringes as per
                               Equipment Purchase Agreement, dated _____

46a   Documents required       1. Original and 3 copies of beneficiary's
                                  manually signed commercial invoice.

                               2. Certificate of final acceptance of the
                                  completion of the Installation of the
                                  equipment at applicant's plant in Leuven,
                                  signed by Messrs ____________ and/or
                                  ____________ as representative(s) of
                                  applicant.

                                       Specimen signatures of both Messrs
                                  ____________ and ____________ are sent to you
                                  by DHL courier and form an integral part of
                                  this L/C.

47a   Additional conditions    This L/C is subject to U.C.P. for Documentary
                               Credits (1993 revision) ICC publication no. 500.

                               This L/C covers 45 percent of the above mentioned
                               Equipment Purchase Agreement (see field 45a) :
                               the commercial invoice as mentioned in field 46a
                               should be made out for the full agreement value,
                               showing down payment outside this L/C of 50
                               percent effected ; balance of 5 percent of the
                               Agreement value is also payable outside this L/C.

                               All documents presented must bear this L/C's
                               number.

71b   Details of charges       All bank charges outside Belgium for
                               beneficiary's account.

49    Confirmation             Without

78    Bank instructions        We shall cover you as per your instructions after
                               receipt of documents complying with L/C terms at
                               our counters.

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