Patent · US Expired

Rubber compositions

US4822844A · kind A · utility

31Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1988
Grant dateApr 18, 1989
Priority date
Expiry dateFeb 19, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L19/006
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Rubber compositions particularly for use in automobile tire treads comprise a selected class of starting rubbers and specified amounts of a selected types of carbon black, this filler having specified values of IA, N.sub.2 SA/IA and .DELTA.D.sub.50 (Dst). The resulting tire excels in abrasion resistance, rebound resilience, antiskidding on wet, snowy and icy roads and fuel economy thus contributing to efficient and safe driving in all seasons.

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