Rubber composition and pneumatic tire manufactured using same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10675915
APP PUB NO 20180072100A1
SERIAL NO

15558177

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Abstract

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A rubber composition contains a diene rubber containing a styrene-butadiene copolymer component formed from at least one type of styrene-butadiene copolymer and a reinforcing filler; the styrene-butadiene copolymer satisfying: a bonded styrene content being from 5 to 50 wt. %; a total of styrene content of an ozone-decomposed component S1 having one styrene-derived unit and styrene content of an ozone-decomposed component S1V1 having one styrene-derived unit and one 1,2-bonded butadiene-derived unit being less than 80 wt. % of the bonded styrene content and a total of styrene content of the ozone-decomposed component S1V1 being 10 wt. % or greater of the bonded styrene content; an integrated intensity of an ozone-decomposed component S1V2 having one styrene-derived unit and two 1,2-bonded butadiene-derived units being 15% or greater of an integrated intensity of all ozone-decomposed components containing a styrene-derived unit; and a vinyl content of butadiene moiety being 50% or greater.

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Patent Owner(s)

  • THE YOKOHAMA RUBBER CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ashiura, Makoto Hiratsuka, JP 68 248
Sakai, Ryosuke Hiratsuka, JP 64 189
Sekine, Yuko Hiratsuka, JP 21 90
Yatsuyanagi, Fumito Hiratsuka, JP 45 403

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