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Patent Assignment Details
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Reel/Frame:005121/0907   Pages: 1
Recorded: 08/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
07/31/1990
Application #:
07378097
Filing Dt:
07/11/1989
Title:
PREPARATION OF POLY(PHENYLENE OXIDE) ASYMMETRIC GAS SEPARATION MEMBRANES
Assignor
1
Exec Dt:
06/29/1989
Assignee
1
A CORP. OF DE
WILMINGTON, DELAWARE
Correspondence name and address
FRANK C. HILBERG, JR.
PATENT DIVISION, LEGAL DEPT.
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898

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