EXHIBIT 10.10

                                                                 ENT-1 US
                                                                 --------

                               ASSIGNMENT
                               ----------

          I/We,
     (1) Lowell M. Somers, and (2) James E. Wynn, residing, respectively,
at 
     (1)  84096 Indio Springs Drive, Apt. #112
          Indio, California 92201, and
     (2)  306 Ayers Circle
          Summerville, South Carolina 29485,

for good and valuable consideration, receipt of which is hereby
acknowledged, have assigned, sold and transferred to and do hereby assign,
sell and transfer to ENTROPIN, INC., a corporation organized and existing
under the laws of the STATE OF CALIFORNIA and having an office and a place
of business at 45-926 OASIS STREET  INDIO, CALIFORNIA 92201 its successors
and assigns: (1) the entire right, title and interest in the United States
and in all countries throughout the world in and to any and all my/our
inventions and discoveries disclosed in the application for Letters Patent
in the United States entitled: DERIVATIVES OF BENZOYLECGONINE, ECGONINE AND
ECGONIDINE AND METHODS OF PREPARING AND USING SAME, and filed in the United
States Patent and Trademark Office on DECEMBER 31, 1992, under Serial
Number 07/999,307, including any renewals, revivals, reissues,
reexaminations, extensions, continuations and divisions thereof, and any
substitute applications therefor; (2) the full and complete right to file
patent applications in the name of ENTROPIN, INC., its designee, or in
my/our names at ENTROPIN, INC.'s or its

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designee's election, on the aforesaid inventions, discoveries and
applications in all countries of the world; (3) the entire right, title and
interest in and to any Letters Patent which may issue thereon in the United
States or in any other country of the world and any renewals, revivals,
reissues, reexaminations and extensions of the same; and (4) the entire
right, title and interest in all Convention and Treaty Rights of all kinds
thereon, including without limitation all rights of priority in any country
of the world, in and to the above inventions, discoveries and applications.

     I/We hereby authorize and request the competent authorities to grant
and to issue any and all such Letters Patent in the United States and
throughout the world to ENTROPIN, INC. as the assignee of the entire right,
title and interest therein, as fully and entirely as the same would have
been held and enjoyed by me/us had this assignment, sale and transfer not
been made.

     I/We agree, at any time, upon the request of ENTROPIN, INC. to execute
and to deliver to ENTROPIN, INC. any additional applications for patents
for said inventions and discoveries, or any part or parts thereof, and any
applications for patents of confirmation, registration and importation
based on any Letters Patent issuing on said inventions, discoveries or
applications, and divisions, continuations, renewals, revivals, reissues,
reexaminations and extensions thereof.

     I/We further agree at any time to execute and to deliver upon request
of ENTROPIN, INC. such additional documents, if any, as are necessary or
desirable to secure patent protection on said inventions, discoveries and
applications throughout all countries of the world, and otherwise to do the
necessary to give full effect to and to perfect the rights of ENTROPIN,
INC. under this Assignment,

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including the execution, delivery and procurement of any and all further
documents evidencing this assignment, transfer and sale as may be necessary
or desirable.

                                   ASSIGNORS:



                                   /s/ LOWELL M. SOMERS            (1)
                                   -----------------------------------
                                   Lowell M. Somers



                                   /s/ JAMES E. WYNN               (2)
                                   -----------------------------------
                                   James E. Wynn









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          On this 16th day of February, 1993, Lowell M. Somers (1)
personally appeared before me, a Notary Public in and for County of
Riverside, and executed the foregoing Assignment and duly acknowledged to
me that such Assignment was executed for the uses and purposes therein
expressed.

OFFICIAL SEAL                      /s/ OLGA B. HERNANDEZ
                                   --------------------------------------
                                            Notary Public

My Commission Expires July 20, 1993

          On this 28th day of January, 1993, James E. Wynn  (2) personally
appeared before me, a Notary Public in and for State of South Carolina, and
executed the foregoing Assignment and duly acknowledged to me that such
Assignment was executed for the uses and purposes therein expressed.


                                   /s/ PATRICIA M. SHARPE
                                   --------------------------------------
                                           Notary Public









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ACKNOWLEDGEMENT OF ASSIGNEE:

          ENTROPIN, INC.
          --------------

By: /s/ HIGGINS D. BAILEY
   -------------------------------
   Higgins D. Bailey, President

          On this 19th day of February, 93, Higgins D. Bailey personally
appeared before me, a Notary Public in and for the County of Riverside, and
duly acknowledged the executed Assignment on behalf of the Assignee.

OFFICIAL SEAL                      /s/ OLGA B. HERNANDEZ
                                   --------------------------------------
                                            Notary Public

My Commission Expires July 20, 1993









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