Patent Assignment Details
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| Reel/Frame: | 007203/0476 | |
| Pages: | 2 |
| | Recorded: | 11/21/1994 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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06/12/1990
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Application #:
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07360044
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Filing Dt:
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06/01/1989
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Title:
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COPOLYIMIDE GAS SEPARATION MEMBRANES DERIVED FROM SUBSTITUTED PHENYLENE DIAMINES AND SUBSTITUTED METHYLENE DIANILINES
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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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JAMES A. FORSTNER
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LEGAL-PATENTS
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E.I. DU PONT DE NEMOURS COMPANY
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1007 MARKET STREET
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WILMINGTON, DE 19898
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