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Noboru Ohshima
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Yokkaichi, JP
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last 30 patents
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Patent Grant
High vinyl polybutadiene or styrene-butadiene copolymer
Patent number
4,397,994
Issue date
Aug 9, 1983
Japan Synthetic Rubber Co., Ltd.
Yasumasa Takeuchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Styrene-butadiene random copolymer and process for the production t...
Patent number
4,367,325
Issue date
Jan 4, 1983
Japan Synthetic Rubber Co., Ltd.
Yasumasa Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing polybutadiene having a 1,2-configuration cont...
Patent number
4,340,685
Issue date
Jul 20, 1982
Japan Synthetic Rubber Co., Ltd.
Yasumasa Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polybutadiene rubber compositions
Patent number
4,304,885
Issue date
Dec 8, 1981
Japan Synthetic Rubber Co., Ltd.
Toshio Omori
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of 1,2-polybutadiene
Patent number
4,255,543
Issue date
Mar 10, 1981
Japan Synthetic Rubber Co., Ltd.
Kenya Makino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing conjugated diene polymers
Patent number
4,139,690
Issue date
Feb 13, 1979
Japan Synthetic Rubber Co., Ltd.
Yoshikazu Torigoe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...