Polymer, rubber composition containing polymer, crosslinked rubber composition obtained by crosslinking rubber composition, and tire having crosslinked rubber composition

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United States of America Patent

PATENT NO 9499647
APP PUB NO 20150025173A1
SERIAL NO

14380250

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Abstract

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Provided are: a polymer capable of providing a crosslinked rubber composition with improved durability (i.e., breaking resistance, abrasion resistance, and crack growth resistance) and a method for producing the same, a rubber composition containing the polymer, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire having the crosslinked rubber composition. The polymer is either a synthesized polyisoprene or an isoprene copolymer, and contains a residual catalyst in an amount of 300 ppm or less.

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Patent Owner(s)

Patent OwnerAddress
BRIDGESTONE CORPORATION1-1 KYOBASHI 3-CHOME CHUO-KU TOKYO 1048340 ?1048340

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kaita, Shojiro Oizumi-machi, JP 56 296
Matsushita, Junko Tachikawa, JP 51 227
Tamaki, Satoru Kodaira, JP 21 44

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