Patent Assignment Details
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Reel/Frame: | 005674/0639 | |
| Pages: | 2 |
| | Recorded: | 04/19/1991 | | |
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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04/05/1994
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Application #:
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07672874
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Filing Dt:
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03/20/1991
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Title:
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PROCESS FOR THE MANUFACTURE OF 2,2-DICHLORO-1,1,1-TRIFLUOROETHANE, 2-CHLORO-1,1,1,2-TETRAFLUOROETHANE AND PENTAFLUOROETHANE
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Correspondence name and address
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DAVID E. HEISER
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PATENT DIV.
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LEGAL DEPT.
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E.I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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