Patent Assignment Details
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| Reel/Frame: | 003841/0915 | |
| Pages: | 1 |
| | Recorded: | 03/23/1981 | | |
| 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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09/01/1981
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Application #:
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06137750
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Filing Dt:
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04/07/1980
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Title:
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PROCESS FOR OBTAINING ISOBUTENE FROM C4/HYDROCARBON MIXTURES CONTAINING ISOBUTENE
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Assignee
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| 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY |
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Correspondence name and address
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KEIL & WITHERSPOON
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1101 CONN. AVE., N.W.
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WASHINGTON, DC 20036
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