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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/17/1992
Application #:
07473071
Filing Dt:
01/31/1990
Inventor:
ROBERT C. WHELAND
Title:
POROUS SUBSTRATES WITH A HIGH CONCENTRATION OF AMINE GROUPS
Assignment: 1
Reel/Frame:
005289/0922Recorded: 04/09/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
01/30/1990
Assignee:
A CORP. OF DE
WILMINGTON, DELAWARE
Correspondent:
WILLIAM H. HAMBY
PATENT DIV., LEGAL DEPT.,
E. I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 2
Reel/Frame:
005931/0768Recorded: 12/03/1991Pages: 4
Conveyance:
ASSIGNOR HEREBY CONFIRMS THE ENTIRE INTEREST IN SAID INVENTION TO ASSIGNEE AS OF 01-01-1991.
Assignor:
Exec Dt:
11/26/1991
Assignee:
Correspondent:
KATHRYN CONNER
PATENT DIVISION
LEGAL DEPARTMENT
E.I. DU PONT DE NEMOURS & CO.
WILMINGTON, DE 19898
Assignment: 3
Reel/Frame:
009586/0702Recorded: 11/02/1998Pages: 13
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/01/1998
Assignee:
LEGAL DIVISION
CHESTNUT RUN PLAZA, 974 CENTRE ROAD
WILMINGTON, DELAWARE 19805
Correspondent:
MARY KATHERINE MORGAN MERLINO
LEGAL DIVISION, WR1013
CHESTNUT RUN PLAZA
974 CENTRE ROAD
WILMINGTON, DE 19805

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