Patent Assignment Details
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Reel/Frame: | 004936/0989 | |
| Pages: | 2 |
| | Recorded: | 08/05/1988 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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06/27/1989
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Application #:
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07228624
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Filing Dt:
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08/05/1988
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Title:
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MEMBRANES PREPARED FROM BLENDS OF POLYBENZIMIDAZOLE WITH POLYARYLATES
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Correspondence name and address
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CHARLES B. BARRIS
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HOECHST CELANESE CORP.
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86 MORRIS AVENUE
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SUMMIT, NJ 07901
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