Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005289/0358 | |
| Pages: | 2 |
| | Recorded: | 05/16/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
2
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Patent #:
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Issue Dt:
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10/15/1991
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Application #:
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07448168
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Filing Dt:
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12/08/1989
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Title:
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POLYACRYLATE ESTERS WITH QUATERNARY AMMONIUM GROUPS
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Patent #:
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Issue Dt:
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07/30/1991
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Application #:
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07496918
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Filing Dt:
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03/21/1990
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Title:
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BINARY AZEOTROPIC COMPOSITIONS OF HEXAFLUOROPROPYLENE/ETHYLENE CYCLIC DIMER WITH METHANOL OR ETHANOL
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Assignee
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| A CORP. OF DE. |
| WILMINGTON, DELAWARE |
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Correspondence name and address
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JAMES E. SHIPLEY
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PATENT DIVISION
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LEGAL DEPARTMENT
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E. I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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