Rubber composition for tire tread, and pneumatic tire using same

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United States of America Patent

PATENT NO 9920189
APP PUB NO 20170107361A1
SERIAL NO

15391768

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Abstract

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Provided is a rubber composition for a tire tread containing: a diene rubber; silica in an amount of from 60 to 200 parts by mass per 100 parts by mass of the rubber; a polysiloxane represented by the average composition formula: (A)a(B)b(C)c(D)d(R1)eSiO(4-2a-b-c-d-e)/2; and an alkyl triethoxysilane having an alkyl group with from 7 to 20 carbon atoms. Also provided is a pneumatic tire using this rubber composition in the tire tread.

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Patent Owner(s)

Patent OwnerAddress
THE YOKOHAMA RUBBER CO LTDTOKYO JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goto, Yoshihiro Hiratsuka, JP 90 769
Mihara, Satoshi Hiratsuka, JP 34 244
Sato, Masaki Hiratsuka, JP 177 2163

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