Patent Assignment Details
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Reel/Frame: | 005050/0011 | |
| Pages: | 1 |
| | Recorded: | 02/27/1989 | | |
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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10/02/1990
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Application #:
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07315738
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Filing Dt:
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02/27/1989
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Title:
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CRYSTALLINE AROMATIC POLYETHERSULPHONES HAVING TERPHENYLENE LINKAGES
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Assignee
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IMPERIAL CHEMICAL HOUSE, MILLBANK, |
LONDON,, ENGLAND SW1P 3JF |
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Correspondence name and address
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CUSHMAN, DARBY AND CUSHMAN
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11TH FLOOR, 1615 L STREET, N.W.
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WASHINGTON, DC 20006
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