Patent Assignment Details
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| Reel/Frame: | 004968/0328 | |
| Pages: | 1 |
| | Recorded: | 11/09/1988 | | |
| 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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04/11/1989
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Application #:
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07139494
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Filing Dt:
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12/30/1987
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Title:
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PROCESS FOR REDUCING CORROSIVE IMPURITIES IN SULFOLANE USED FOR EXTRACTING AROMATIC HYDROCARBONS
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Assignee
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| P. O. BOX 2463 |
| A DE CORP. |
| HOUSTON, TEXAS 77001 |
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Correspondence name and address
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RONALD R. REPER
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C/O SHELL OIL COMPANY
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PATENTS & LICENSING
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P. O. BOX 2463
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HOUSTON, TX 77252-2463
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