Patent Assignment Details
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Reel/Frame: | 005359/0126 | |
| Pages: | 2 |
| | Recorded: | 06/26/1990 | | |
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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02/05/1991
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Application #:
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07447932
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Filing Dt:
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12/08/1989
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Title:
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PURIFICATION OF HALOGENATED AROMATIC SULFONES OR KETONES
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Correspondence name and address
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RICHMOND, PHILLIPS, HITCHCOCK &
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UMPHLETT
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P.O. BOX 2443
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BARTLESVILLE, OK 74005
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