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James H. Rea
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Portsmouth, VA, US
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last 30 patents
Information
Patent Grant
Process for making low optical polymers and copolymers for photores...
Patent number
5,625,007
Issue date
Apr 29, 1997
Hoechst Celanese Corp.
Michael T. Sheehan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of salts of 4-hydroxystyrene
Patent number
5,304,690
Issue date
Apr 19, 1994
Hoechst Celanese Corporation
George Kvakovszky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing a salt of 4-hydroxystyrene and for preparing 4...
Patent number
5,256,809
Issue date
Oct 26, 1993
Hoechst Celanese Corporation
George Kvakoyszky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing a salt of 4-hydroxystyrene and for preparing 4...
Patent number
5,241,098
Issue date
Aug 31, 1993
Hoechst Celanese Corporation
George Kvakovszky
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for making low optical density polymers and copolymers for...
Patent number
5,239,015
Issue date
Aug 24, 1993
Hoechst Celanese Corporation
Michael T. Sheehan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing pyridine carboxylic acid esters
Patent number
5,047,542
Issue date
Sep 10, 1991
Hoechst Celanese Corporation
B. Franklin Gupton
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerizable quaternary ammonium methyl carbonates
Patent number
4,973,639
Issue date
Nov 27, 1990
Hoechst Celanese Corporation
Thomas C. Shen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymerizable quaternary ammonium methyl carbonates
Patent number
4,910,325
Issue date
Mar 20, 1990
Hoechst Celanese Corporation
Thomas C. Shen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing pyridine carboxylic acid esters
Patent number
4,871,859
Issue date
Oct 3, 1989
Hoechst Celanese Corporation
B. Franklin Gupton
C07 - ORGANIC CHEMISTRY