Modified conjugated diene polymer and method of producing the same and rubber composition

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United States of America Patent

PATENT NO 6838526
SERIAL NO

09709563

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Abstract

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A novel modified conjugated diene polymer is obtained by polymerizing a conjugated diene compound with a specified catalyst consisting of components (a)-(c) and then reacting with at least one specified compound selected from the group consisting of components (d)-(l), and has a content of cis-1,4-bond of not less than 85% and a ratio of weight average molecular weight to number average molecular weight of not more than 4. And also, a rubber composition comprises the modified conjugated diene polymer a rubber ingredient.

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Patent Owner(s)

Patent OwnerAddress
BRIDGESTONE CORPORATIONTOKYO
JSR CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akema, Hiroshi Tokyo, JP 16 280
Hattori, Iwakazu Tokyo, JP 39 1179
Nakayama, Atsushi Tokyo, JP 71 1314
Sone, Takuo Tokyo, JP 41 949
Tanaka, Ryouji Tokyo, JP 25 352
Tani, Kouichirou Tokyo, JP 14 236

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