ICO INC
SC 13D/A, 1996-11-14
OIL & GAS FIELD SERVICES, NEC
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                  SCHEDULE 13D
                                Amendment No. 16

                    Under the Securities Exchange Act of 1934



                                    ICO, Inc.
- --------------------------------------------------------------------------------


                                (Name of Issuer)



                      Common Stock, No par value per share
- --------------------------------------------------------------------------------


                         (Title of Class of Securities)


                                    449294206
- --------------------------------------------------------------------------------

                                 (CUSIP Number)


                              Gary P. Kreider, Esq.
                       Keating, Muething & Klekamp, P.L.L.
                       One East Fourth Street, 18th Floor
                             Cincinnati, Ohio 45202
                                 (513) 579-6411
- --------------------------------------------------------------------------------


                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                 April 30, 1996
- --------------------------------------------------------------------------------


             (Date of Event Which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [  ].

Check the following box if a fee is being paid with this statement [  ].





<PAGE>




 CUSIP NO. 449294206                    13D                  Page 2 of 29 Pages



 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

            Dr. Asher O. Pacholder


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (a)   X
                                                                       (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       6,176,106 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      146,000 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      1,004,125 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          6,176,106 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          30.1% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>




 CUSIP NO. 449294206               13D                   Page 3 of 29 Pages
                                                                        


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Sylvia A. Pacholder


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)

 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY            8       SHARED VOTING POWER
         OWNED BY
           EACH                        6,316,106 (See Items 5 & 6)
         REPORTING
        PERSON WITH            9       SOLE DISPOSITIVE POWER

                                       167,000 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      1,004,125 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          6,316,106 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]

13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          30.1% (See Items 5 & 6)


14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




 CUSIP NO. 449294206                 13D                     Page 4 of 29 Pages
                                                                              


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Robin E. Pacholder


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 and 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      36,822 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                   [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>



 CUSIP NO. 449294206              13D                   Page 5 of 29 Pages
                                                                     


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           William J. Morgan


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [ ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       5,288,750 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      15,000 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      1,004,125 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          5,288,750 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          25.8% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




 CUSIP NO. 449294206                 13D                     Page 6 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Pacholder Associates, Inc., Tax I.D. #31-1089398


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             Ohio corporation



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       5,288,750 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      0 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      1,004,125 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          5,288,750 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          25.8% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IA

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




 CUSIP NO. 449294206                  13D                 Page 7 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           P M Delaware


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             Delaware



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      0 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      541,373 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                   [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             CO

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>




 CUSIP NO. 449294206                  13D                    Page 8 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

             William E. Willoughby


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING            
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      1,259,871 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      149,139 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)
12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                   [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)


14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>




 CUSIP NO. 449294206                  13D                   Page 9 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Peggy S. Willoughby


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING
        PERSON WITH            9       SOLE DISPOSITIVE POWER

                                      708,446 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      149,139 (See Item 5)


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                   [ ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




 CUSIP NO. 449294206                   13D                  Page 10 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           William C. Willoughby


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER
                                      35,497 (See Items 5 & 6)
         NUMBER OF
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY 
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER
                                      984,500 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,861,495 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.7% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>




 CUSIP NO. 449294206                13D                   Page 11 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Regina S. Willoughby


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER
                                      13,143 (See Items 5 & 6)
         NUMBER OF
          SHARES
       BENEFICIALLY            8       SHARED VOTING POWER
         OWNED BY
           EACH                        4,825,998 (See Items 5 and 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      104,923 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,839,141 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                [  ] 


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.6% (See Items 5 & 6)


14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>




 CUSIP NO. 449294206                13D             Page 12 of 29 Pages
                                                                             


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Fred R. Feder


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             Citizen of Germany



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING                    
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      579,260 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




 CUSIP NO. 449294206                 13D                 Page 13 of 29 Pages
                                                                        


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Theo J.M.L. Verhoeff


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

            Citizen of the Netherlands



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      131,709 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [ ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




 CUSIP NO. 449294206                   13D                  Page 14 of 29 Pages
                                                                        


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

           Catherine Willoughby Stephens


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*             (a)   X
                                                                        (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                              [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    0 (See Items 5 & 6)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       4,825,998 (See Items 5 & 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      412,983 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,825,998 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                  [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          23.5% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!

<PAGE>




 CUSIP NO. 449294206              13D                     Page 15 of 29 Pages
                                                                        


 1        NAME OF REPORTING PERSONS
          S.S. OR I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

             Walter L. Leib


 2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*            (a)   X
                                                                       (b)


 3        SEC USE ONLY


 4        SOURCE OF FUNDS*

             See Item 3

 5        CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
          TO ITEM 2(d) or 2(e)                                             [  ]


 6        CITIZENSHIP OR PLACE OF ORGANIZATION

             United States citizen



                              7       SOLE VOTING POWER

         NUMBER OF                    34,195 (See Item 5)
          SHARES
       BENEFICIALLY           8       SHARED VOTING POWER
         OWNED BY
           EACH                       917,595 (See Items 5 and 6)
         REPORTING
        PERSON WITH           9       SOLE DISPOSITIVE POWER

                                      41,195 (See Item 5)

                             10       SHARED DISPOSITIVE POWER

                                      0


11        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          958,790 (See Items 5 & 6)

12        CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
          CERTAIN SHARES*                                                   [  ]


13        PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

          4.7% (See Items 5 & 6)

14        TYPE OF REPORTING PERSON*
             IN

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>




Item 1.           Security and Issuer.

                  This  Amendment  No. 16 relates to the  common  stock,  no par
value per share ("ICO  Common  Stock") of ICO,  Inc.  ("ICO"),  100  Glenborough
Drive,  Houston,  Texas  77067.  This filing  amends the  Schedule  13D filed by
Pacholder  Associates  Inc. by adding,  and through  this initial  filing,  such
holders of ICO Common Stock who have become members of a group through execution
of the Shareholders Agreement described in Item 6, to reflect the acquisition of
shares of ICO common stock,  no par value (the "ICO Common  Stock")  pursuant to
the merger of Wedco Technology, Inc. ("Wedco") with and into W Acquisition Corp.
("W Acquisition"), a wholly-owned subsidiary of ICO and to reflect the effect of
the  Wedco  Shareholders'  (as  defined  in  Item  2)  election  of  the  Merger
Consideration  (as defined in Item 3).  Pursuant to the  merger,  W  Acquisition
changed its name to Wedco Technology, Inc.

Item 2. Identity and Background. (*indicates member of group but not a
        filing person)

        Dr. Asher O. Pacholder

        (a) - (c)   Dr. Asher O. Pacholder  ("AOP") is the Chairman of the Board
                    of   Directors   and  Chief   Operating   Officer  of  Wedco
                    Technology,  Inc.  ("Wedco"),  Route 173,  West Portal,  New
                    Jersey  08802,  and Chairman of the Board of  Directors  and
                    Chief  Financial  Officer  of ICO,  100  Glenborough  Drive,
                    Houston, Texas 77067.

        (d)         AOP during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

        (e)         AOP during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in AOP being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

        (f)      United States citizen.


         Sylvia A. Pacholder

         (a) - (c)  Sylvia A. Pacholder  ("SAP") is President,  Chief  Executive
                    Officer and Director of Wedco,  Route 173, West Portal,  New
                    Jersey  08802,  and  President,   Chief  Executive  Officer,
                    Secretary  and  Director  of  ICO,  100  Glenborough  Drive,
                    Houston, Texas 77067.

         (d)        SAP during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).


                                     - 16 -

<PAGE>




          (e)       SAP during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in SAP being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


         Robin E. Pacholder

         (a) - (c)  Robin E. Pacholder ("REP") is Senior Vice President, General
                    Counsel  and a  Director  of  ICO,  100  Glenborough  Drive,
                    Houston, Texas 77067.

         (d)        REP during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        REP during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in REP being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


         William J. Morgan

         (a) - (c)  William J.  Morgan  ("Morgan")  is  President  and  Managing
                    Director of  Pacholder  Associates,  Inc.,  8044  Montgomery
                    Road, Suite 382,  Cincinnati,  Ohio 45202, and a Director of
                    ICO, 100 Glenborough Drive, Houston, Texas 77067.

         (d)        Morgan  during  the  last  five  (5)  years,  has  not  been
                    convicted  in  a  criminal  proceeding   (excluding  traffic
                    violations or similar misdemeanors).

         (e)        Morgan during the last five (5) years,  has not been a party
                    to a civil proceeding of a judicial or  administrative  body
                    of competent  jurisdiction which resulted in Morgan being at
                    any time  subject  to a  judgment,  decree  or  final  order
                    enjoining future  violations of, or prohibiting or mandating
                    activities  subject to, federal or state  securities laws or
                    finding any violation with respect to such laws.

         (f)        United States citizen.



                                     - 17 -

<PAGE>




         Pacholder Associates, Inc.

         (a) - (c)  Pacholder  Associates,  Inc.("Pacholder  Associates")  is an
                    Ohio corporation. Pacholder Associates' business address and
                    the address of its principal office is 8044 Montgomery Road,
                    Suite 382, Cincinnati, Ohio 45202.

          (d)       Pacholder Associates during the last five (5) years, has not
                    been convicted in a criminal  proceeding  (excluding traffic
                    violations or similar misdemeanors).

          (e)       Pacholder Associates during the last five (5) years, has not
                    been  a  party  to  a  civil  proceeding  of a  judicial  or
                    administrative body of competent jurisdiction which resulted
                    in  Pacholder  Associates  being  at any time  subject  to a
                    judgment,  decree or final order enjoining future violations
                    of, or  prohibiting  or  mandating  activities  subject  to,
                    federal or state  securities  laws or finding any  violation
                    with respect to such laws.

         (f)        Not applicable.


         P M Delaware, Inc.

         (a) - (c)  P  M  Delaware,   Inc.  ("P  M  Delaware")   is  a  Delaware
                    corporation. P M Delaware's business address and the address
                    of its principal  office is 1105 North Market Street,  Suite
                    1300, P.O. Box 8985, Wilmington, Delaware 19899.

         (d)        P M Delaware  during  the last five (5) years,  has not been
                    convicted  in  a  criminal  proceeding   (excluding  traffic
                    violations or similar misdemeanors).

         (e)        P M Delaware during the last five (5) years,  has not been a
                    party to a civil proceeding of a judicial or  administrative
                    body  of  competent  jurisdiction  which  resulted  in  P  M
                    Delaware being at any time subject to a judgment,  decree or
                    final order enjoining  future  violations of, or prohibiting
                    or  mandating   activities  subject  to,  federal  or  state
                    securities  laws or finding any  violation  with  respect to
                    such laws.

         (f)        Not applicable.


         William E. Willoughby

         (a) - (c)  William E.  Willoughby  ("WEW") is a  consultant  for Wedco,
                    Route 173, West Portal,  New Jersey 08802, and a Director of
                    ICO, 100 Glenborough Drive, Houston, Texas 77067.


                                     - 18 -

<PAGE>




         (d)        WEW during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        WEW during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in WEW being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


         Peggy S. Willoughby

         (a) - (c)  Peggy S.  Willoughby  ("PSW") is the wife of WEW and resides
                    at 607 U.S. Highway, Far Hills, New Jersey 07931.

         (d)        PSW during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        PSW during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in PSW being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


         William C. Willoughby

         (a) - (c)  William C. Willoughby ("WCW") is the son of WEW.

         (d)        WCW during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        WCW during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in WCW being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


                                     - 19 -

<PAGE>





         Regina S. Willoughby

         (a) - (c)  Regina S. Willoughby ("RSW") is the wife of WCW.

         (d)        RSW during the last five (5) years,  has not been  convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        RSW during the last five (5) years,  has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which  resulted in RSW being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


         Fred R. Feder

         (a) - (c)  Fred R.  Feder  ("Feder")  is a Vice  President  of Wedco,
                    Route 173, West Portal, New Jersey 08802.

         (d)        Feder during the last five (5) years, has not been convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        Feder  during the last five (5) years,  has not been a party
                    to a civil proceeding of a judicial or  administrative  body
                    of competent  jurisdiction  which resulted in Feder being at
                    any time  subject  to a  judgment,  decree  or  final  order
                    enjoining future  violations of, or prohibiting or mandating
                    activities  subject to, federal or state  securities laws or
                    finding any violation with respect to such laws.

         (f)        Germany.


         Theo J.M.L. Verhoeff

         (a) - (c)  Theo J.M.L. Verhoeff ("Verhoeff") is the Executive Vice
                    President-European  Operations  for Wedco,  Route 173,  West
                    Portal, New Jersey 08802.

         (d)        Verhoeff  during  the  last  five  (5)  years,  has not been
                    convicted  in  a  criminal  proceeding   (excluding  traffic
                    violations or similar misdemeanors).

         (e)        Verhoeff  during  the last  five (5)  years,  has not been a
                    party to a civil proceeding of a judicial or  administrative
                    body of competent jurisdiction which resulted in

                                     - 20 -

<PAGE>




                    Verhoeff being at any time subject to a judgment,  decree or
                    final order enjoining  future  violations of, or prohibiting
                    or  mandating   activities  subject  to,  federal  or  state
                    securities  laws or finding any  violation  with  respect to
                    such laws.

         (f)        Citizen of The Netherlands.


         Catherine Willoughby Stephens

         (a) - (c)  Catherine  Willoughby Stephens  ("Stephens") is the daughter
                    of WEW. She is Vice President for Stephens Realty, Inc., 120
                    Hana Highway, P.O. Box 50, Paia, Hawaii 96799.

         (d)        Stephens  during  the  last  five  (5)  years,  has not been
                    convicted  in  a  criminal  proceeding   (excluding  traffic
                    violations or similar misdemeanors).

         (e)        Stephens  during  the last  five (5)  years,  has not been a
                    party to a civil proceeding of a judicial or  administrative
                    body of competent  jurisdiction  which  resulted in Stephens
                    being at any time  subject  to a  judgment,  decree or final
                    order  enjoining  future  violations  of, or  prohibiting or
                    mandating activities subject to, federal or state securities
                    laws or finding any violation with respect to such laws.

         (f)        United States citizen.


         Walter L. Leib

         (a) - (c)  Walter L. Leib ("Leib") is a shareholder  of the law firm of
                    Leib, Kraus, Grispin & Roth, a professional corporation, 328
                    Park  Avenue,  P.O.  Box  310,  Scotch  Plains,  New  Jersey
                    07076-0310.

         (d)        Leib during the last five (5) years,  has not been convicted
                    in a criminal  proceeding  (excluding  traffic violations or
                    similar misdemeanors).

         (e)        Leib during the last five (5) years, has not been a party to
                    a civil proceeding of a judicial or  administrative  body of
                    competent  jurisdiction  which resulted in Leib being at any
                    time subject to a judgment,  decree or final order enjoining
                    future violations of, or prohibiting or mandating activities
                    subject to, federal or state  securities laws or finding any
                    violation with respect to such laws.

         (f)        United States citizen.


                                     - 21 -

<PAGE>





As used  hereafter,  WEW,  PSW,  WCW,  RSW,  Feder,  Verhoeff  and  Stephens are
collectively referred to as the "Wedco Shareholders," and AOP, SAP, REP, Morgan,
Pacholder  Associates and P M Delaware are collectively  referred to as the "ICO
Shareholders."  The Wedco Shareholders and the ICO Shareholders are collectively
referred to as the "Shareholders".

Item 3.           Source and Amount of Funds.

                  The Wedco Shareholders'  Common Stock was acquired pursuant to
a statutory merger between Wedco and W Acquisition  Corp. ("W  Acquisition"),  a
wholly-owned  subsidiary of ICO, whereby shares of Wedco Common Stock, $0.10 par
value ("Wedco Common  Stock") were  converted into the right to receive,  at the
option of the holder thereof, either: (i) 2.20 shares ICO Common Stock and $3.50
in cash (the  "Cash/Stock  Consideration"),  or (ii) 2.84  shares of ICO  Common
Stock (the "Stock Consideration" and together with the Cash/Stock Consideration,
the "Merger Consideration").


Item 4.           Purpose of Transaction.

                  ICO, W Acquisition and Wedco entered into the merger agreement
pursuant  to which (i)  Wedco  was  merged  with and into W  Acquisition  with W
Acquisition  surviving the Merger as a wholly-owned  subsidiary of ICO, and (ii)
each share of Wedco Common Stock being  converted into the Merger  Consideration
(as defined in Item 3).

                  The Wedco  Shareholders  intend to monitor  the market for ICO
Common  Stock and,  depending  on market  conditions,  may sell their ICO Common
Stock from time to time.  Except as set forth in the  preceding  sentence and in
Item 6 below,  the  Shareholders do not have any plans or proposals which relate
to or would result in any of the following events:

               (a) The  acquisition  by any person of  additional  securities of
          ICO, or the disposition of securities of ICO;

               (b) An  extraordinary  corporate  transaction,  such as a merger,
          reorganization   or   liquidation,   involving   ICO  or  any  of  its
          subsidiaries;

               (c) A sale or transfer  of a material  amount of assets of ICO or
          any of its subsidiaries;

               (d) Any change in the present board of directors or management of
          ICO,  including any plans or proposals to change the number or term of
          directors or to fill any existing vacancies on the board;

               (e) Any material change in the present capitalization or dividend
          policy of ICO;

               (f) Any other  material  change in ICO's  business  or  corporate
          structure;


                                     - 22 -

<PAGE>




               (g) Changes in ICO's  Certificate of  Incorporation  or Bylaws or
          other  actions  which may  impede  the  acquisition  of control of the
          issuer by any person;

               (h) Causing a class of  securities  of ICO to be delisted  from a
          national securities exchange or to cease to be authorized to be quoted
          on  an  inter-dealer   quotation  system  of  a  registered   national
          securities association;

               (i) A class of equity  securities  of ICO  becoming  eligible for
          termination of registration  pursuant to Section  12(g)(4) of the Act;
          or

               (j) Any action similar to any of those enumerated above.


Item 5.           Interest in Securities of Issuer.

(a) - (b)

         As of October 30, 1996, the Shareholders in the aggregate beneficially
owned 6,224,746 shares (or approximately 30.3% of the outstanding shares) of ICO
Common Stock as follows:



               Holder                            Number of Shares
               ------                            ----------------

Dr. Asher O. Pacholder(1)(2)(3)(4)(12)               2,048,881
Sylvia A. Pacholder(1)(2)(3)(4)(12)                  2,069,881
Robin E. Pacholder(2)(5)(12)                            36,822
William J. Morgan(1)(2)(3)(12)                       1,019,125
Pacholder Associates, Inc.(1)(12)                    1,004,125
P M Delaware, Inc.(1)(12)                              541,373
William E. Willoughby(6)(7)(12)                      1,407,010
Peggy S. Willoughby(8)(12)                             857,585
William C. Willoughby(6)(9)(12)                        984,500
Regina S. Willoughby(12)                               104,923
Fred R. Feder(12)                                      579,260
Theo J.M.L. Verhoeff(12)                               131,709
Catherine Willoughby Stephens(12)                      412,709
Walter L. Leib(6)(11)(12)                               41,195

<PAGE>

               (1)  Share  amounts  include  204,380  shares of common stock and
                    180,000 shares of common stock which may be acquired through
                    the exercise of warrants  and 78,372  shares of common stock
                    which  may  be  acquired  upon   conversion  of  Convertible
                    Exchangeable Preferred Stock, in each case held by a limited
                    partnership,  of which  Dr.  Pacholder  and Mr.  Morgan  are
                    general partners.  Pursuant to certain  Investment  Advisory
                    Agreements,  Pacholder Associates,  Inc. has sole voting and
                    investment  power over such  securities.  Share amounts also
                    include 394,237 shares of common stock and 102,879 shares of
                    common  stock which may be acquired  through the exercise of
                    warrants  and  44,257  shares of common  stock  which may be
                    acquired  upon   conversion  of   Convertible   Exchangeable
                    Preferred  Stock,  in  each  case  owned  by a  wholly-owned
                    subsidiary of Pacholder Associates, Inc.

               (2)  Shares amounts for Ms. S. Pacholder include 20,000 shares of
                    common  stock  that  are  issuable  upon  exercise  of stock
                    options  granted  under the 1985 Stock  Option  Plan.  Share
                    amounts  for Ms.  S.  Pacholder  and Dr.  Pacholder  include
                    30,000 and 30,000 shares of common stock, respectively, that
                    are issuable upon  exercise of stock  options  granted under
                    the  1994  Stock  Option  Plan.  Share  amounts  for Ms.  S.
                    Pacholder and Dr. Pacholder include 35,000 and 30,000 shares
                    of  common  stock,  respectively,  that  are  issuable  upon
                    exercise  of stock  options  granted  under  the 1995  Stock
                    Option  Plan.  Share  amounts  for Dr. Pacholder and Ms. S.
                    Pacholder include 80,000 and 80,000 shares of common stock,
                    respectively,  that are issuable  upon the exercise of stock
                    options  granted  under the 1996 Stock  Option  Plan.  Share
                    amounts  for  Ms.  S.  Pacholder,   Dr.  Pacholder,  Ms.  R.
                    Pacholder and Mr. Morgan are 2,000, 6,000, 11,000 and 13,000
                    shares of common stock, respectively, that are issuable upon
                    exercise  of stock  options  granted  under  the 1993  Stock
                    Option Plan for  Non-Employee  Directors.

               (3)  Share amounts  include 887,356 shares of common stock issued
                    in connection with  acquisitions over which Ms. S. Pacholder
                    and Dr.  Pacholder share voting power.  Ms. S. Pacholder and
                    Dr. Pacholder disclaim beneficial ownership of these shares.

               (4)  Includes 11,400 shares of common stock.

               (5)  Includes  822 shares of common  stock  which may be acquired
                    upon conversion of Convertible Exchangeable Preferred Stock.

               (6)  Share  amounts  for Mr.  W.E.  Willoughby  and Mr.  W.  Leib
                    include   7,000   and  7,000   shares   of   common   stock,
                    respectively,  that  are  issuable  upon  exercise  of stock
                    options  granted  under  the  1993  Stock  Option  Plan  for
                    Non-Employee Directors.

               (7)  Share amount  includes  149,139  shares of common stock held
                    jointly   with  Mr.  W.E.   Willoughby's   wife,   Peggy  S.
                    Willoughby.

               (8)  Share amount  includes  149,139  shares of common stock held
                    jointly  with  Ms.  P.  Willoughby's  husband,   William  E.
                    Willoughby.  

               (9)  Share  amount  includes  35,497  shares of common stock held
                    by Mr. W.C.  Willoughby  as custodian  for his minor child.

               (10) Share amount includes 13,143 shares of common stock held by
                    Ms. R.  Willoughby as custodian for her minor child.

                                     - 24 -

<PAGE>




               (11) Share  amount  includes 274 shares of common stock which may
                    be acquired upon the conversion of Convertible  Exchangeable
                    Preferred Stock.

               (12) Except as specifically  set forth in the above notes,  share
                    amounts  exclude  the  shares of  common  stock of the Other
                    Shareholders  that  can be  voted  pursuant  to  the  voting
                    agreements and irrevocable proxies described in Item 6.


     (c) The following  trades were made through market  transactions  since the
filing of Amendment No. 15 to this Schedule 13D:


                                         Purchase       Number      Price Per
     Shareholder             Date        or Sale      of Shares       Share
     -----------             ----        -------      ---------       -----
William E. Willoughby      05/06/96       Sale         5,000          $6.875
William E. Willoughby      05/07/96       Sale         5,000          6.625
William E. Willoughby      05/08/96       Sale         2,500          6.500
William E. Willoughby      05/10/96       Sale         10,000         6.500
William E. Willoughby      05/10/96       Sale         5,000          6.750
William E. Willoughby      05/10/96       Sale         2,500          6.750
William E. Willoughby      05/14/96       Sale         5,000          6.750
William E. Willoughby      07/01/96       Sale         5,000          5.625
William E. Willoughby      07/02/96       Sale         2,900          5.625
William E. Willoughby      07/09/96       Sale         15,000         5.625
William E. Willoughby      07/10/96       Sale         5,000          5.625
William E. Willoughby      07/18/96       Sale         15,000         5.750
William E. Willoughby      07/23/96       Sale         17,500         5.875
William E. Willoughby      07/23/96       Sale         5,000          6.000
William E. Willoughby      07/24/96       Sale         5,000          5.625
William E. Willoughby      07/25/96       Sale         12,000         5.8125
William E. Willoughby      07/25/96       Sale         5,000          5.625
William E. Willoughby      07/29/96       Sale         5,000          5.750
William E. Willoughby      07/29/96       Sale         1,500          5.875


                                     - 25 -

<PAGE>




                                        Purchase       Number      Price Per
      Shareholder            Date       or Sale      of Shares       Share
      -----------            ----       -------      ---------       -----
William E. Willoughby      07/30/96       Sale         10,000         5.750
William E. Willoughby      07/31/96       Sale         10,000        5.8125
William E. Willoughby      08/01/96       Sale         14,000        5.8125
William E. Willoughby      08/01/96       Sale         5,000          5.875
William E. Willoughby      08/13/96       Sale         10,000        5.6875
William E. Willoughby      08/13/96       Sale         15,000        5.5625
William E. Willoughby      09/06/96       Sale         50,000         5.500
William E. Willoughby      09/06/96       Sale         30,000         5.625
William E. Willoughby      09/09/96       Sale         10,000         5.625
William E. Willoughby      09/10/96       Sale         10,000         5.625
William E. Willoughby      09/10/96       Sale         5,000          5.875
William E. Willoughby      09/10/96       Sale         5,000          5.750
William E. Willoughby      09/11/96       Sale         10,000         6.000
William E. Willoughby      09/13/96       Sale         10,000         5.857
William E. Willoughby      09/16/96       Sale         5,000          6.000
William E. Willoughby      09/24/96       Sale         10,000         5.875
William E. Willoughby      10/02/96       Sale         5,000          5.875
William E. Willoughby      10/16/96       Sale         5,000          6.000
William E. Willoughby      10/17/96       Sale         5,000          6.125
William E. Willoughby      10/18/96       Sale         5,000          6.250
William E. Willoughby      10/21/96       Sale         5,000          6.250
William E. Willoughby      10/22/96       Sale         2,000          6.500
William C. Willoughby      07/22/96       Sale         5,000          6.000
William C. Willoughby      09/16/96       Sale         5,000          6.125
William C. Willoughby      10/17/96       Sale         1,000          6.250


                                     - 26 -

<PAGE>




                                        Purchase       Number      Price Per
     Shareholder             Date       or Sale      of Shares      Share
     -----------             ----       -------      ---------      -----
William C. Willoughby      10/18/96       Sale         25,000        6.250
William C. Willoughby      10/21/96       Sale         5,000         6.500
Fred R. Feder              10/17/96       Sale         150,000       6.000
Fred R. Feder              10/18/96       Sale         50,000        6.0625

(d)      None

(e)      Not Applicable


     Item 6.  Contracts,  Arrangements,  Understandings  or  Relationships  with
respect to Securities of the Issuer.

                  The Shareholders are parties to the following agreements:

                  1.   Shareholders   Agreement.   The  Shareholders   Agreement
("Shareholders  Agreement") was entered into among ICO, the ICO Shareholders (as
defined  in Item 2) and the  Wedco  Shareholders  (as  defined  in Item 2).  The
Shareholders  (as  defined in Item 2) agreed to take all  actions  necessary  or
appropriate  to cause the  election of  Willoughby,  Leib and George S.  Sirusas
("Sirusas")  to the Board of  Directors  of ICO for terms  ending on the date of
ICO's annual shareholders meeting in 1996 in the case of Willoughby, the date of
its annual  shareholders  meeting in 1997 in the case of Leib and Sirusas and to
cause the reelection of  Willoughby,  Sirusas and Leib to the Board of Directors
of ICO until the earlier of the time the Wedco  Shareholders  who are parties to
the  Shareholders  Agreement,  taken as a  whole,  beneficially  own  less  than
1,500,000  shares of Common  Stock of ICO (or as adjusted) or there is a "change
in  control"  of  ICO,  when  the  ICO  Shareholders  who  are  parties  to  the
Shareholders  Agreement  shall no longer be obligated to cause the reelection of
such persons to its Board of Directors  ("Termination  Date").  In addition,  if
Willoughby,  Leib or Sirusas  shall  cease to serve as a director  of ICO at any
time prior to the  Termination  Date,  the  Shareholders  will agree to take all
actions  necessary or  appropriate  to ensure that the vacancy  created shall be
filled by a person nominated by the others, subject to the consent of a majority
of the full Board of Directors of ICO.

         In addition to the foregoing,  all the ICO Shareholders who are parties
to the Shareholders  Agreement have granted  irrevocable proxies coupled with an
interest to Leib and Edward N. Barol to vote their shares of Common Stock of ICO
in favor of the slate of nominees for ICO's Board of  Directors  selected by the
then incumbent members of the Board of Directors of ICO (the "Nominated  Slate")
and the Wedco Shareholders who are parties to the Shareholders Agreement granted
substantially  identical  proxies to SAP and AOP to vote their  shares of Common
Stock of ICO also in favor of the Nominated Slate.

     The  Shareholders  Agreement also provides that with respect to Wedco,  SAP
will be its President and Chief  Executive  Officer and AOP will be its Chairman
of  the  Board  and  Chief  Operating  Officer.  Pursuant  to  the  Shareholders
Agreement,  Wedco's Articles of  Incorporation  were amended to provide that the
Chairman  of the  Board,  President,  CEO,  COO or any person who shall hold any
other  office,  position or title  havingsimilar  functions  or authority to the
functions of the Chairman of the Board, President,  CEO or COO or who shall have
equivalent  operating  authority of Wedco will be elected by a unanimous vote of
the Wedco Board of Directors.

         The Shareholders Agreement also provides that if one or more of the ICO
Shareholders or Wedco  Shareholders  who are parties to the agreement  desire to
sell 500,000 or more shares of ICO Common Stock,  other than in connection  with
an underwritten public offering that would not result in a transfer or transfers
of 500,000 or more shares of ICO Common Stock to any person or group of persons,
such proposed sale shall not be effective unless the proposed  transferee agrees
to be bound as the successor to the transferor under the agreement.

                  2.   Registration   Rights   Agreement.   ICO  and  the  Wedco
Shareholders are parties to a Registration Rights Agreement to provide the Wedco
Shareholders,  for a period of five  years  after  April 30,  1996 with  certain
demand  and  "piggyback"  registration  rights to enable  them to dispose of the
shares of Common Stock of ICO received by them in the Merger.

                  Other than as listed above, none of the Reporting Persons is a
party  to any  agreement  with  respect  to any  securities  of  ICO,  including
agreements  with  respect  to the  transfer  or voting  of any such  securities,
finder's fees,  joint  ventures,  loans or option  arrangements,  puts or calls,
guarantees of profits, division of profits or loss, or the giving or withholding
of proxies.

Item 7.           Material to be filed as Exhibits.

     1.  Agreement  required  pursuant  to  Regulation  Section  240.13d-1(f)(1)
promulgated under the Securities exchange Act of 1934, as amended.*

     2.  Powers of  Attorney  executed  in  connection  with  filings  under the
Securities Exchange Act of 1934, as amended.*

     3. Stockholders Agreement.**

     4. Registration Rights Agreement.**

     5. Merger Agreement among Wedco  Technology,  Inc., W Acquisition Corp. and
ICO, Inc. dated as of December 8, 1995, as Amended on March 13, 1996.**




     *Exhibit  previously  filed with the Securities and Exchange  Commission on
Amendment No. 15 to this Schedule 13D.

     **Exhibits  previously filed with the Securities and Exchange Commission on
Form  S-4,  Registration  No.  333-00831  by  ICO  and  incorporated  herein  by
reference.

                                     - 28 -

<PAGE>



     After  reasonable  inquiry  and to the best  knowledge  and  belief  of the
undersigned,  it is  hereby  certified  that the  information  set forth in this
statement is true, complete and correct.



Dated:  November 13, 1996                /s/ Dr. Asher O. Pacholder
                                         --------------------------------------
                                         Dr. Asher O. Pacholder, Individually
                                         and As Attorney-in-Fact for:

                                         Sylvia A. Pacholder
                                         Robin E. Pacholder
                                         William J. Morgan
                                         Pacholder Associates, Inc.
                                         P M Delaware, Inc.
                                         William E. Willoughby
                                         Peggy S. Willoughby
                                         William C. Willoughby
                                         Regina S. Willoughby
                                         Fred R. Feder
                                         Theo J.M.L. Verhoeff
                                         Catherine Willoughby Stephens
                                         Walter L. Leib



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