Patent Assignment Details
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Reel/Frame: | 004801/0964 | |
| Pages: | 3 |
| | Recorded: | 12/21/1987 | | |
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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04/04/1989
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Application #:
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07136217
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Filing Dt:
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12/21/1987
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Title:
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SEPARATION OF HYDROGEN FLUORIDE FROM 1,1-DIFLUOROETHENE
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Correspondence name and address
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PATENT DEPARTMENT
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PPG INDUSTRIES, INC.
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ONE PPG PLACE
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PITTSBURGH, PA 15272
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