Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 006285/0454 | |
| Pages: | 2 |
| | Recorded: | 10/21/1992 | | |
| Conveyance: | ASSIGNMENT OF 1/2 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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11/30/1993
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Application #:
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07940194
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Filing Dt:
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09/02/1992
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Title:
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ALKYL SUBSTITUTED POLYIMIDE, POLYAMIDE AND POLYAMIDE-IMIDE GAS SEPARATION MEMBRANES
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Assignee
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| 75, QUAI D'ORSAY |
| PARIS CEDEX 07, FRANCE |
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Correspondence name and address
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E. I. DU PONT DE NEMOURS AND COMPANY
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CARY A. LEVITT
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LEGAL PATENTS
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1007 MARKET STREET
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WILMINGTON, DELAWARE 19898
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