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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
09/06/1983
Application #:
06314297
Filing Dt:
10/23/1981
Inventor:
WILLIAM J. TREPKA
Title:
VISCOSITY INDEX IMPROVERS WITH DISPERSANT PROPERTIES PREPARED BY REACTION OF LITHIATED HYDROGENATED COPOLYMERS WITH SUBSTITUTED AMINOLACTAMS
Assignment: 1
Reel/Frame:
003973/0858Recorded: 04/21/1982Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/18/1982
Assignee:
DELAWARE
Correspondent:
FRENCH, HUGHES & DOESCHER
1825 K ST., N. W., STE. 1107
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:
003973/0858Recorded: 04/21/1982Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
03/18/1982
Assignee:
DELAWARE
Correspondent:
FRENCH, HUGHES & DOESCHER
1825 K ST., N. W., STE. 1107
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:
007505/0468Recorded: 05/08/1995Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/02/1995
Assignee:
B-7181 SENEFFE, (FELUY), BELGIUM
Correspondent:
LENORA EVANS
FINA TECHNOLOGY, INC.
8350 NORTH CENTRAL EXPRESSWAY
DALLAS, TX 75206

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