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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/04/1994
Application #:
08045782
Filing Dt:
04/14/1993
Inventors:
JOHN W. SIMMONS, SAMUEL D. ARTHUR
Title:
ALKYL SUBSTITUTED AROMATIC POLYESTER GAS SEPARATION MEMBRANES
Assignment: 1
Reel/Frame:
006539/0175Recorded: 05/25/1993Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
04/05/1993
Exec Dt:
04/05/1993
Assignee:
1007 MARKET STREET
WILMINGTON, DELAWARE 19898
Correspondent:
CARY A. LEVITT
E.I. DU PONT DE NEMOURS COMPANY
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:
006604/0268Recorded: 07/14/1993Pages: 2
Conveyance:
50% INTERSET
Assignor:
Exec Dt:
07/12/1993
Assignee:
75, QUAI D'ORSAY
PARIS CEDEX 07, FRANCE 75321
Correspondent:
CARY A. LEVITT
E. I. DU PONT DE NEMOURS AND COMPANY
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898
Assignment: 3
Reel/Frame:
007265/0321Recorded: 12/16/1994Pages: 2
Conveyance:
ASSIGNMENT OF 1/2 OF ASSIGNORS INTEREST
Assignor:
Exec Dt:
12/12/1994
Assignee:
75, QUAI D'ORSAY
75321 PARIS CEDEX 07, FRANCE
Correspondent:
E. I. DU PONT DE NEMOURS COMPANY
JAMES A. FORSTNER
LEGAL - PATENTS
1007 MARKET STREET
WILMINGTON, DE 19898

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