Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 007850/0129 | |
| Pages: | 3 |
| | Recorded: | 04/01/1996 | | |
| Conveyance: | RECORD TO CORRECT WRONG SERIAL NUMBER 07/692654 PREVIOUSLY RECORDED AT REEL 5814 FRAME 0520. |
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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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07691654
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Filing Dt:
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04/25/1991
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Title:
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AROMATIC POLYETHERS CONTAINING CYANO GROUPS FOR GAS SEPARATION
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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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E. I. DU PONT DE NEMOURS COMPANY
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CARY A. LEVITT
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1007 MARKET STREET
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LEGAL PATENTS
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WILMINGTON, DE 19898
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