Patent · US Expired

Rubber composition

US4894409A · kind A · utility

66Cited by
5References
13Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 14, 1988
Grant dateJan 16, 1990
Priority date
Expiry dateJul 14, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L21/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A rubber composition comprising not less than 20% by weight of an amino group-containing diene based polymer in a rubber component, and 10 to 100 parts by weight of silica as a filler with respect to 100 parts by weight of the rubber component. The amino group-containing diene based polymer is obtained by polymerizing a monomer or copolymerizing the monomer in an organic solvent in the presence of at least one of an organic alkali metal and an organic alkaline earth metal.

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