Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005458/0156 | |
| Pages: | 2 |
| | Recorded: | 09/21/1990 | | |
| 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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12/17/1991
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Application #:
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07569354
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Filing Dt:
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08/17/1990
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Title:
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COMPOSITIONS OF 1,1,1,2,2,3,5,5,5-NONAFLUORO-4-TRIFLUOROMETHYLPENTANE AND USE THEREOF FOR CLEANING SOLID SURFACES
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Correspondence name and address
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DAVID E. HEISER
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PATENT DIVISION
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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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