Patent Assignment Details
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| Reel/Frame: | 005861/0353 | |
| Pages: | 2 |
| | Recorded: | 10/03/1991 | | |
| 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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01/14/1992
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Application #:
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07418059
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Filing Dt:
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10/06/1989
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Title:
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PROCESS FOR THE PREPARATION OF 3,3',4,4'-BIPHENYLTETRACARBOXYLIC ACID AND ITS DERIVATIVES
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Assignee
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| AN INSTITUTE OF THE PEOPLES REPUBLIC OF CHINA |
| CHANGCHUN, CHINA |
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Correspondence name and address
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ARTHUR S. COOKFAIR
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OCCIDENTAL CHEMICAL CORPORATION
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2801 LONG ROAD
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GRAND ISLAND, NY. 14072
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