Patent Assignment Details
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Reel/Frame: | 005797/0947 | |
| Pages: | 3 |
| | Recorded: | 08/12/1991 | | |
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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11/26/1991
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Application #:
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07522003
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Filing Dt:
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05/11/1990
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Title:
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ASYMMETRIC POLYIMIDE MEMBRANES
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Assignee
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1114 AVENUE OF THE AMERICAS |
NEW YORK, NEW YORK 10036 |
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Correspondence name and address
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W. R. GRACE & CO.-CONN.
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PATENT DEPT.
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7379 ROUTE 32
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COLUMBIA, MD 21044
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