Patent Assignment Details
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Reel/Frame: | 005660/0461 | |
| Pages: | 2 |
| | Recorded: | 04/09/1991 | | |
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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06/02/1992
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Application #:
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07669733
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Filing Dt:
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03/13/1991
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Title:
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STABLE MIXTURES OF COLLOIDAL SILICA AND A FILM-FORMING POLYMER
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Correspondence name and address
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P.MICHAEL WALKER
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PATENT DIVISION, LEGAL DEPT.
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E.I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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