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: | 007320/0276 | |
| Pages: | 3 |
| | Recorded: | 02/07/1995 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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11/16/1993
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Application #:
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07991918
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Filing Dt:
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12/17/1992
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Title:
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SEPARATION OF SULFOLANE FROM CONJUNCT POLYMERIC BYPRODUCTS
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Patent #:
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Issue Dt:
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11/23/1993
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Application #:
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07991919
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Filing Dt:
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12/17/1992
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Title:
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SULFOLANE PURIFICATION BY HYDROCARBON EXTRACTION
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Assignee
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| P.O. BOX 2443 |
| BARTLESVILLE, OKLAHOMA 74005 |
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Correspondence name and address
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PHILLIPS PETROLEUM COMPANY
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CHARLES STEWART
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P.O. BOX 2443
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BARTLESVILLE, OK 74005
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