Document:

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                                                                   EXHIBIT 10.10

                               PARALLEL ENVIRODYNE

                            NONQUALIFIED THRIFT PLAN

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                                    CONTENTS

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                           INTRODUCTION                                 ii

ARTICLE          I         DEFINITIONS                                   1

ARTICLE         II         PARTICIPATION

              2.01         Eligibility to Participate                    4

ARTICLE        III         SUPPLEMENTAL RETIREMENT BENEFIT

              3.01         Company Contributions                         5
              3.02         Employee Contributions                        5
              3.03         Adjustment to Account                         6
              3.04         Vesting                                       6
              3.05         Payment of Benefits                           7
              3.06         Death Benefit                                 7

ARTICLE         IV         ADMINISTRATION

              4.01         Committee and Powers                          8

ARTICLE          V         MISCELLANEOUS

              5.01         Amendment and Termination                     9
              5.02         No Alienation of Benefits                     9
              5.03         No Contract of Employment                     9
              5.04         Expenses                                      9
              5.05         Funding                                      10
              5.06         Governing Law                                10
              5.07         Severability                                 10
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                        PARALLEL ENVIRODYNE NONQUALIFIED
                                   THRIFT PLAN

                                  INTRODUCTION

WHEREAS, Envirodyne Industries, Inc., a Delaware corporation (the "Company"),
maintains the Envirodyne Employee Thrift Plan; and

WHEREAS, Internal Revenue Code Sections 415 and 401(a)(17) place limits on the
contributions which can be made on behalf of a participant under a qualified
defined contribution plan; and

WHEREAS, Internal Revenue Code Sections 401(a)(4) and 401(m) impose
nondiscrimination requirements on employee contributions and employer matching
contributions made on behalf of a participant under a qualified defined
contribution plan; and

WHEREAS, the Company desires to provide certain executives with contributions
comparable to the contributions they would have received if such limitations and
nondiscrimination requirements were not imposed by the Internal Revenue Code of
1986; and

WHEREAS, the Company desires to provide certain executives with the opportunity
to elect to defer a portion of their compensation.

NOW, THEREFORE, the Company hereby adopts the Parallel Envirodyne Nonqualified
Thrift Plan, effective January 1, 1987, to read as follows:

                                       ii
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                                    ARTICLE I

                                   DEFINITIONS

Whenever used herein with the initial letter capitalized, words and phrases
shall have the meaning stated below unless a different meaning is plainly
required by the context. For purposes of construction of this Plan, the
masculine term shall include the feminine and the singular shall include the
plural in all cases in which they could thus be applied.

BENEFICIARY means the person or persons or other entity designated by a
Participant to receive any benefit under the Plan which may be due upon the
Participant's death.

BOARD OF DIRECTORS means the Board of Directors of Envirodyne Industries, Inc.

CHANGE IN CONTROL means an event which shall be deemed to have occurred in the
event that:

         (a)    Any "person" (as such term is used in Sections 13(d) and 14(d)
                of the Securities Exchange Act of 1934, as amended (the
                "Exchange Act")), other than:

                (1)   The Company or any of its subsidiaries:

                (2)   A trustee or other fiduciary holding securities under an
                      employee benefit plan of the Company or any of its
                      subsidiaries;

                (3)   An underwriter temporarily holding securities pursuant to
                      an offering of such securities; or

                (4)   A corporation owned, directly or indirectly, by the
                      stockholders of the Company in substantially the same
                      proportions as their ownership of stock of the Company,

                is or becomes the "beneficial owner" (as defined in Rule 13d-3
                under the Exchange Act), directly or indirectly, of securities
                of the Company (not including in the securities beneficially
                owned by such person any securities acquired directly from the
                Company or its affiliates) representing twenty percent (20%) or
                more of the combined voting power of the Company's then
                outstanding securities;

                                       1
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         (b)    During any period of two (2) consecutive years (not including
                any period prior to January 1, 1991), individuals who, at the
                beginning of such period, constitute the Board and any new
                director other than a director designated by a person who has
                entered into an agreement with the Company to effect a
                transaction described in clause (a), (c), or (d) of this
                Section) whose election by the Board or nomination for election
                by the Company's stockholders was approved by a vote of at least
                two-thirds (2/3) of the directors then still in office who
                either were directors at the beginning of the period or whose
                election or nomination for election was previously so approved,
                cease for any reason to constitute a majority thereof;

         (c)    The stockholders of the Company approve a merger or
                consolidation of the Company with any other corporation, other
                than a merger or consolidation which would result in the voting
                securities of the Company outstanding immediately prior thereto
                (either by remaining outstanding or by being converted into
                voting securities of the surviving entity), in combination with
                the ownership of any trustee or other fiduciary holding
                securities under an employee benefit plan of the Company,
                continuing to represent at least eighty percent (80%) of the
                combined voting power of the voting securities of the Company or
                such surviving entity outstanding immediately after such merger
                or consolidation, or a merger or consolidation effected to
                implement a recapitalization of the Company (or similar
                transaction) in which no person acquires more than fifty percent
                (50%) of the combined voting power of the Company's then
                outstanding securities; or

         (d)    The stockholders of the Company approve a plan of complete
                liquidation of the Company or an agreement for the sale or
                disposition by the Company of all or substantially all of the
                Company's assets.

The provisions of this definition may not be amended after the date of a Change
in Control without the written consent of a majority in both number and interest
of the Participants and beneficiaries, both immediately prior to the Change in
Control and at the date of such amendment.

CODE means the Internal Revenue Code of 1986, as amended from time to time.

COMMITTEE means the committee which administers the Plan pursuant to Article IV.

COMPANY means Envirodyne Industries, Inc., a Delaware corporation.

COMPENSATION means the total amount of cash compensation paid to or accrued for
a Participant for services performed for the Company.

                                       2
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EMPLOYEE CONTRIBUTION ACCOUNT means the account established on behalf of each
Participant pursuant to Section 3.02.

ENROLLMENT DATE means January 1.

PARTICIPANT means a person who has satisfied the requirements of Section 2.01.

PARTICIPATION AGREEMENT means an agreement executed by a Participant and the
Company authorizing the Company to defer a portion of the Participant's
Compensation through regular payroll deductions.

PLAN means the Parallel Envirodyne Nonqualified Thrift Plan as it may be amended
from time to time.

PLAN YEAR means the twelve (12) month period which begins on January 1 and ends
on December 31.

SUPPLEMENTAL BENEFIT ACCOUNT means the account established on behalf of each
Participant pursuant to Section 3.01.

THRIFT PLAN means, for years prior to January 1, 1990, the Envirodyne Employee
Thrift Plan. Effective January 1, 1990, Thrift Plan means the Envirodyne
Retirement Savings Plan.

                                       3
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                                   ARTICLE II

                                  PARTICIPATION

2.01     ELIGIBILITY TO PARTICIPATE

         An employee of the Company will be eligible to participate in this Plan
         on the date designated by the Board of Directors. The Company shall
         designate whether such employee is eligible to be credited with Company
         contributions pursuant to Section 3.01, to make employee contributions
         pursuant to Section 3.02, or both.

                                       4
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                                   ARTICLE III

                         SUPPLEMENTAL RETIREMENT BENEFIT

3.01     COMPANY CONTRIBUTIONS

         The Company shall maintain a Supplemental Benefit Account on its books
         on behalf of each Participant. Each Plan Year, the Company shall credit
         each Participant's Supplemental Benefit Account for an amount equal to
         the sum of the amounts determined in (a) and (b) below:

         (a)    A Participant who participates in the Thrift Plan shall be
                credited with a contribution equal to (1) reduced by (2) as
                follows:

                (1)   The amount the Company would have contributed as a
                      matching contribution to the Thrift Plan on the
                      Participant's behalf if the limitation of Code Section 415
                      did not apply and compensation in excess of $200,000 (as
                      adjusted under Code Section 415(d)) had been included in
                      the definition of compensation under the Thrift Plan;
                      minus

                (2)   The amount the Company actually contributed as a matching
                      contribution on the Participant's behalf under the Thrift
                      Plan.

         (b)    A Participant who participates in the Thrift Plan shall be
                credited with a contribution equal to (1) reduced by (2) as
                follows:

                (1)   The amount the Company would have contributed as a
                      matching contribution to the Thrift Plan on the
                      Participant's behalf based on the Participant's completed
                      years of participation (as defined in the Thrift Plan)
                      without regard to any special limitations for highly
                      compensated employees and if the nondiscrimination
                      requirements of Code Sections 401(a)(4) and 401(m) did not
                      apply; minus

                (2)   The amount the Company actually contributed as a matching
                      contribution on the Participant's behalf under the Thrift
                      Plan.

3.02     EMPLOYEE CONTRIBUTIONS

         (a)    Each Participant may elect to defer Compensation under the plan
                by authorizing, on a Participation Agreement, regular payroll
                deductions equal to between one percent (1%) and fifteen percent
                (15%) of his Compensation in integral percentages.

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         (b)    A Participant may change the rate of his deferral once each Plan
                Year effective as of the first day of the next payroll period by
                filing a new Participation Agreement with the Company.

         (c)    A Participant may discontinue or temporarily suspend his
                deferral of Compensation effective as of the first day of the
                next payroll period by giving written notice thereof to the
                Company. In the event of a discontinuance of deferrals, a
                Participant shall be permitted to make additional deferrals,
                effective as of the next Enrollment Date, by filing a new
                Participation Agreement with the Company at least thirty (30)
                days prior to such Enrollment Date.

         (d)    The Company shall maintain an Employee Contribution Account on
                its books on behalf of each Participant electing to defer
                Compensation pursuant to this Section 3.02. During each Plan
                Year, the Company shall credit each Participant's Employee
                Contribution Account with an amount equal to the amount deferred
                pursuant to Section 302(a).

3.03     ADJUSTMENT TO ACCOUNT

         (a)    A Participant's Supplemental Benefit Account shall be adjusted
                to reflect the earnings, gains, and losses that would have been
                credited or debited to the amounts described in Section 3.01 had
                they been contributed to the fixed income fund in the Thrift
                Plan.

         (b)    As of the last day of each calendar quarter, each Participant's
                Employee Contribution Account shall be credited with interest
                based on the prime interest rate as published in The Wall Street
                Journal on the first business day of such calendar quarter.

3.04     VESTING

         (a)    Amounts credited pursuant to Section 3.01, as adjusted pursuant
                to Section 3.03, shall become nonforfeitable when and to the
                extent they would have become nonforfeitable had they been
                contributed to the Thrift Plan. The preceding sentence
                notwithstanding, upon a Change in Control, the amounts credited
                pursuant to Section 3.01 shall become nonforfeitable.

         (b)    Amounts credited pursuant to Section 3.02, as adjusted pursuant
                to Section 3.03, shall be nonforfeitable at all times.

                                       6
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3.05     PAYMENT OF BENEFITS

         As soon as practicable after termination of employment, retirement, or
         total and permanent disability, the Company shall pay the Participant
         the vested portion of his Supplemental Benefit Account and Employee
         Contribution Account in the form of a lump sum payment.

3.06     DEATH BENEFIT

         Upon the death of a Participant, amounts credited to the Participant's
         Supplemental Benefit Account shall become nonforfeitable, and any
         unpaid amounts in his Supplemental Benefit Account and Employee
         Contribution Account shall be paid to the Participant's Beneficiary as
         soon as practicable after the Participant's death.

                                       7
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                                   ARTICLE IV

                                 ADMINISTRATION

4.01     COMMITTEE AND POWERS

         The Company shall appoint a Committee, consisting of not less than
         three (3) persons, to administer the Plan. The Committee shall have,
         and shall exercise and perform, all of the powers, rights, authorities,
         and duties necessary to administer the Plan, including the authority
         and discretion to construe and interpret this Plan, decide all
         questions of eligibility for and the amount, manner, and time of
         payment of any benefit payable hereunder, and duties relating to claims
         and claim appeals, as set forth in the Thrift Plan, with the same
         effect as it set forth in full herein with respect to this Plan. Any
         determination or decision of the Committee shall be conclusive and
         binding on all persons at any time having or claiming to have any
         interest whatsoever under this Plan.

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                                    ARTICLE V

                                  MISCELLANEOUS

5.01     AMENDMENT AND TERMINATION

         The Company reserves to itself the right at any time and from time to
         time, by resolution of its Board of Directors, to amend or terminate
         this Plan. Notwithstanding the foregoing, no amendment or termination
         of this Plan shall have the effect of reducing or canceling the
         Company's obligation to pay:

         (a)    Any benefit which a Participant or Beneficiary is receiving or
                is entitled to receive on the day immediately preceding the
                later of the date of adoption of the amendment or termination or
                its effective date; or

         (b)    A benefit to, or with respect to, any employee of the Company
                who is a Participant on the day immediately preceding the later
                of the date of adoption of the amendment or termination or its
                effective date, to which such Participant or Beneficiary would
                be entitled to receive under the Plan upon retirement or other
                termination of employment, or death, respectively, determined as
                if such amendment or termination of the Plan had not been
                adopted.

5.02     NO ALIENATION OF BENEFITS

         No payee may assign, anticipate, or otherwise encumber any payment due
         him under this Plan. Any payment due to a payee under this Plan shall
         be exempt from the claims of his creditors.

5.03     NO CONTRACT OF EMPLOYMENT

         Nothing herein contained shall be construed to constitute a contract of
         employment between the Company and any Participant.

5.04     EXPENSES

         The expenses of administering the Plan shall be paid by the Company.

                                       9
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5.05     FUNDING

         All benefits paid under this Plan shall be paid from the general assets
         of the Company. The Plan shall at all times remain unfunded, and all
         amounts credited hereunder shall at all times remain subject to the
         claims of the Company's creditors.

5.06     GOVERNING LAW

         To the extent not preempted by the laws of the United States of
         America, the laws of the State of Illinois shall be the controlling
         state law in all matters relating to the Plan.

5.07     SEVERABILITY

         If any provisions of this Plan shall be held illegal or invalid for any
         reason, the illegality or invalidity shall not affect the remaining
         parts of this Plan, but this Plan shall be construed and enforced as if
         the illegal and invalid provisions never had been included herein.

                                       10<PAGE>
                                                                   EXHIBIT 10.11

                      AMENDMENT TO VISKASE COMPANIES, INC.
                       PARALLEL NONQUALIFIED SAVINGS PLAN

         The Viskase Companies, Inc. Parallel Nonqualified Savings Plan (the
"Plan") was originally established by Viskase Companies, Inc. (the "Company"),
under its prior name of Envirodyne Industries, Inc., effective January 1, 1987.
The Plan permits certain key executives of the Company to elect to defer a
portion of their compensation, and to receive additional employer contributions,
in excess of the amounts permitted under the Company's tax qualified retirement
plan.

         Each executive who participates in the Plan has an Employee
Contribution Account and a Supplemental Benefit Account, to which amounts of
deferred compensation and additional employer contributions, respectively, are
credited. Under the current terms of the Plan, each such account is credited
with earnings at the rates specified under the Plan.

         Pursuant to a resolution adopted by the Board of Directors of the
Company and approved by the stockholders at the annual meeting held July 29,
1999, participants in the Plan shall be permitted to have the return on a
portion of their Plan accounts determined as if such portion had been invested
in the Common Stock of the Company, in lieu of being credited with earnings at
the rate provided in the Plan. In addition, the resolution authorized the
creation of the Viskase Stock Fund, in the form of a grantor trust of the type
commonly known as a "rabbi trust", to which the Company will issue up to
1,000,000 shares of Common Stock, which will be used to measure the return on
the portion of accounts deemed to be invested in Common Stock, and as a source
of distributions to participants upon their termination of employment.

         In order to reflect the foregoing, and in accordance with the authority
reserved by the Board of Directors pursuant to Section 5.01 of the Plan, the
Plan is hereby amended as follows:

         1. Article I of the Plan is amended by inserting the following
definition immediately following the definition of "Plan Year":

         "STOCK FUND means the Viskase Stock Fund established pursuant to
Section 5.05A."

         2. Section 3.03 is amended by the addition of a new subsection (c) to
read as follows:

         "(c) In lieu of the provisions of subsections (a) and (b), a
         Participant may elect, subject to the limitations set forth below, to
         have all or a portion of his Supplemental Benefit Account of his
         Employee Contribution Account, or both, adjusted to reflect the
         earnings, gains, and losses that would have been credited or debited
         thereto had such portion been invested in the Stock Fund. If a
         Participant so elects, a separate subaccount of his Supplemental
         Benefit Account or Employee Contribution Account, or both, shall be
         established, which shall be credited with the portion of the
         Participant's accounts specified by the Participant, and shall
         thereafter be credited with the percentage elected by the Participant
         of all new contributions pursuant to Section 3.02. Amounts credited to
         such subaccount shall be treated as invested in Common Stock of the
         Company at the fair market value of such Common Stock on the date
         credited to the subaccount, and thereafter shall be adjusted as if
         actually invested in such number of shares of Common Stock.

<PAGE>

         Participants may also be permitted to transfer amounts into and out of
         such subaccounts from time to time. The Committee shall establish
         rules, procedures and limitations governing the treatment of the
         portion of Participants' accounts deemed to be invested in the Stock
         Fund, which may limit or restrict the ability of Participants to change
         elections and to transfer amounts into and out of the Stock Fund;
         provided, however, that in no event shall the aggregate portion of all
         Participants' accounts deemed to be invested in the Stock Fund exceed
         the amount of Common Stock actually authorized for issuance the Stock
         Fund pursuant to Section 5.05A (and any excess amount, allocated among
         all Participants in the manner prescribed by the Committee, shall be
         subject to subsections (a) and (b)); and provided further, that in no
         event shall any Participants' election be applied retroactively to
         effect the adjustment of his account prior to the date that such
         election is received by the Company."

         3. A new Section 3.07 is added following Section 3.06, to read as
follows:

         "3.07    DISTRIBUTION OF STOCK

         To the extent that a portion of the Participant's Supplemental Benefit
         Account or Employee Contribution Account, or both, is allocated to a
         subaccount treated as invested in the Stock Fund pursuant to Section
         3.03(c) at the time a distribution is to be made pursuant to either
         Section 3.05 or 3.06, there shall be distributed to such Participant or
         his Beneficiary, unless the Committee otherwise determines, a number of
         shares of Common Stock equal to the number of whole shares deemed to be
         held in such subaccount or subaccounts, and cash equal to any
         fractional shares."

         4. A new Section 5.05A is added following Section 5.05, to read as
follows:

         "5.05A   STOCK FUND

         The Company, as grantor, shall establish a grantor trust of the type
         commonly known as a "rabbi trust", which shall be known as the Viskase
         Stock Fund (the "Stock Fund"). The Company shall appoint a trustee of
         the Stock Fund, and shall have the authority to remove and replace the
         trustee from time to time, and to enter into a trust agreement with
         such trustee and amend such agreement from time to time, all on such
         terms as the Committee shall determine. The Company shall transfer
         shares of Common Stock to the Stock Fund at such time as Participants
         elect to have a portion of their accounts adjusted as if they were
         invested in the Stock Fund pursuant to Section 3.03(c). All dividends
         paid on stock held in the Stock Fund shall be reinvested in Common
         Stock. If at any time a distribution of Common Stock is to be made to a
         Participant or his Beneficiary pursuant to Section 3.07, such Common
         Stock may be distributed out of the Stock Fund, which shall satisfy the
         Company's obligation pursuant to Section 3.07 to the extent of such
         distribution. In the event the Company elects to distribute shares of
         Common Stock directly to such Participant or Beneficiary, or to
         distribute cash in lieu of shares of Common Stock (other than in lieu
         of fractional shares), the same number of shares shall be returned from
         the Stock Fund to the Company. In no event shall the Company be
         obligated to transfer more than 1,000,000 shares (adjusted
         appropriately by the Committee in the event of any recapitalization,
         stock split, stock dividend, or similar transaction) to

<PAGE>

         the Stock Fund, reduced by any shares returned as described in the
         preceding sentence. Anything else contained herein to the contrary
         notwithstanding, the Stock Fund shall be subject to the provisions of
         Section 5.05. The Company shall be the owner of the shares of Common
         Stock held in the Stock Fund (which shall be subject to the claims of
         the Company's creditors), and any voting rights shall be exercised by
         the trustee, subject to the direction of the Company to the extent
         provided by the trust agreement. The failure of the Company to
         establish the Stock Fund or to transfer shares of Common Stock to it
         shall not affect the obligations of the Company under this Plan and, in
         the absence of the Stock Fund, the accounts of Participants who elect
         to have their accounts adjusted as provided under Section 3.03(c) shall
         be adjusted as if the Stock Fund had been established, as determined by
         the Committee on an equitable basis."

         5. The provisions of this amendment are effective July 29, 1999. Except
as otherwise specifically provided herein, all provisions of the Plan shall
remain in full force and effect.

IN WITNESS WHEREOF, the Company has caused this Amendment to be executed as of
July 29, 1999.

VISKASE COMPANIES, INC.

By:
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