Method for producing a rubber composition

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United States of America Patent

PATENT NO 9023937
APP PUB NO 20120309894A1
SERIAL NO

13483664

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Abstract

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A method for producing a rubber composition, the method comprising a step of producing a pre-kneaded rubber composition by kneading a butadiene-based rubber and 1 to 20 parts by weight of a silane coupling agent per 100 parts by weight of the butadiene-based rubber and a step of kneading the pre-kneaded rubber composition and 30 to 200 parts by weight of a silica per 100 parts by weight of the butadiene-based rubber used for producing the pre-kneaded rubber composition.

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Patent Owner(s)

  • SUMITOMO CHEMICAL COMPANY, LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hama, Hisakatsu Ichihara, JP 21 40
Sudo, Takuya Ichihara, JP 5 33

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