Patent Assignment Details
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Reel/Frame: | 005197/0178 | |
| Pages: | 1 |
| | Recorded: | 12/13/1989 | | |
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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11/27/1990
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Application #:
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07430945
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Filing Dt:
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11/02/1989
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Title:
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CHLOROFLUOROHYDROCARBON PURIFICATION PROCESS
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Correspondence name and address
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LYNN E. FISHER
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PATENT DIV., LEGAL DEPT.
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E. I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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