Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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05/17/1983
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Application #:
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06341956
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Filing Dt:
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01/22/1982
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Inventors:
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WILLIAM D. BENZINGER, DONALD N ROBINSON
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Title:
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POROUS VINYLIDENE FLUORIDE POLYMER MEMBRANE AND PROCESS FOR ITS PREPARATION
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| PENNWALT CORP. |
| PENNWALT CORPORATION PATENT DEPT. |
| THREE PARKWAY |
| PHILADELPHIA, PA 19102 |
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Assignment:
2
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MERGER AND CHANGE OF NAME EFFECTIVE ON DECEMBER 31, 1989, IN PENNSYLVANIA
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| ATOCHEM NORTH AMERICA, INC. |
| PATENT DEPARTMENT - MARY G. FAY |
| THREE PARKWAY |
| PHILADELPHIA, PA 19102 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 2000 MARKET STREET |
| PHILADELPHIA, PENNSYLVANIA 19103 |
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| ATOFINA CHEMICALS, INC. |
| MARY G. FAY |
| PATENT DEPARTMENT |
| 2000 MARKET STREET, 26TH FLOOR |
| PHILADELPHIA, PENNSYLVANIA 19103-3222 |
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