Patent Assignment Details
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Reel/Frame: | 005748/0140 | |
| Pages: | 2 |
| | Recorded: | 06/24/1991 | | |
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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01/26/1993
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Application #:
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07702537
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Filing Dt:
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05/20/1991
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Title:
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METHOD FOR PURIFYING TIO2 ORE
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Correspondence name and address
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ROBERT B. STEVENSON
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PATENT DIVISION, LEGAL DEPT.,
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E. I. DU PONT DE NEMOURS & CO.,
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WILMINGTON, DE 19898
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