Patent Assignment Details
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Reel/Frame: | 004980/0687 | |
| Pages: | 1 |
| | Recorded: | 12/28/1988 | | |
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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06/04/1991
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Application #:
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07236743
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Filing Dt:
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08/26/1988
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Title:
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VAPOR PHASE CATALYTIC OXIDATION OF BUTANE TO MALEIC ANHYDRIDE
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Assignee
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WILMINGTON, DELAWARE 19898 |
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Correspondence name and address
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CAROL K. STOUFFER
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C/O LEGAL DEPT. , PAT. DIV.
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E. I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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