Patent · US Active

Copolymer, rubber composition using same, and tire

US10781298B2 · kind B2 · utility

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2References
4Claims
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Key dates

Filing dateMay 24, 2017
Grant dateSep 22, 2020
Priority date
Expiry dateMay 24, 2037

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/86
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to a copolymer including a monomer unit (a) derived from isoprene and a monomer unit (b) derived from farnesene; a process for producing the copolymer including at least the step of copolymerizing isoprene with farnesene; a rubber composition including (A) the copolymer, (B) a rubber component and (C) carbon black; a rubber composition including (A) the copolymer, (B) a rubber component and (D) silica; a rubber composition including (A) the copolymer, (B) a rubber component, (C) carbon black and (D) silica; and a tire using the rubber composition at least as a part thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.