Article: Conjugated diene rubber, process for producing and rubber composition.(Patent News)

U.S. patent: 7,241,842

Issued: July 10, 2007

Inventors: Nakamura. et al

Assigned: Zeon

Key statement: A conjugated diene rubber obtained by a process wherein active conjugated diene polymer chains, each having an active metal at a polymer chain terminal, which have been obtained by polymerizing a conjugated diene monomer alone, or a conjugated diene monomer and an aromatic vinyl monomer with the aid of an organic active metal in an inert solvent, are allowed to react with a specific ...

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