Patent Assignment Details
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| Reel/Frame: | 005179/0779 | |
| Pages: | 2 |
| | Recorded: | 10/02/1989 | | |
| 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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10/16/1990
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Application #:
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07388374
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Filing Dt:
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08/02/1989
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Title:
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PIPERAZINE DERIVATIVES AND THEIR PREPARATION PROCESS
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Assignee
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| 58, RUE DE LA GLACIERE |
| 75621 PARIS CEDEX 13, FRANCE |
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Correspondence name and address
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HELMUTH A. WEGNER
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WEGNER & BRETSCHNEIDER
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THIRD FLOOR - P.O. BOX 18218
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1233 20TH STREET, N.W.
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WASHINGTON, DC 20036-8218
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