Patent · US Expired

Method for rubber treatment

US4410656A · kind A · utility

32Cited by
4References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 3, 1982
Grant dateOct 18, 1983
Priority date
Expiry dateMay 3, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08C19/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The method of masticating diene rubber in the presence of maleic acid or maleic anhydride together with sulfur or an organic sulfur compound capable of generating a thiyl radical is shown. Improved tack, green strength or both are realized in the treated diene rubber.

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