Patent Assignment Details
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| Reel/Frame: | 006496/0511 | |
| Pages: | 2 |
| | Recorded: | 12/17/1992 | | |
| 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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08/03/1993
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Application #:
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07970778
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Filing Dt:
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11/03/1992
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Title:
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POLYIMIDE AND POLYAMIDE-IMIDE GAS SEPARATION MEMBRANES
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Assignee
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| 75, QUAI D'ORSAY 75321 |
| PARIS CEDEX 07, FRANCE |
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Correspondence name and address
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CARY A. LEVITT
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E.I. DU PONT DE NEMOURS AND COMPANY
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1007 MARKET STREET
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WILMINGTON, DE 19898
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