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Toshihiro Fujii
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for modifying rubbers
Patent number
4,677,153
Issue date
Jun 30, 1987
Nippon Zeon Co., Ltd.
Shizuo Kitahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for addition reaction of unsaturated organic compounds
Patent number
4,654,435
Issue date
Mar 31, 1987
Nippon Zeon Co., Ltd.
Shizuo Kitahara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cis-1,4-polyisoprene rubber composition
Patent number
4,542,190
Issue date
Sep 17, 1985
Nippon Zeon Co. Ltd.
Shizuo Kitahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for modifying cis-1,4-polyisoprene rubber
Patent number
4,424,306
Issue date
Jan 3, 1984
Nippon Zeon Co., Ltd.
Shizuo Kitahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for modifying rubbers employing a compound containing a car...
Patent number
4,412,041
Issue date
Oct 25, 1983
Nippon Zeon Co. Ltd.
Shizuo Kitahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Modified rubber composition employing a compound containing a carbo...
Patent number
4,412,031
Issue date
Oct 25, 1983
Nippon Zeon Co., Ltd.
Shizuo Kitahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...