Patent · US Active

Phased rubber composition and tire with tread

US9890270B2 · kind B2 · utility

1Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 2016
Grant dateFeb 13, 2018
Priority date
Expiry dateOct 20, 2036

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L7/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a phased rubber composition and tire tread thereof intended for heavy duty service such as for example a truck tire. The phased rubber composition is comprised of the product of blending a first rubber phase comprised of cis 1,4-polybutadiene rubber and reinforcing filler comprised of rubber reinforcing carbon black and a second rubber phase comprised of natural cis 1,4-polyisoprene rubber and reinforcing filler comprised of precipitated silica.

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