Patent · US Expired

Vulcanization system, a rubber mixture containing this vulcanization system and a vulcanization process

US4306992A · kind A · utility

1Cited by

5References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Rudiger Schubart · Wittlich, DE
Ulrich Eholzer
Theo Kempermann
Ernst Roos

Key dates

Filing date	May 5, 1980
Grant date	Dec 22, 1981
Priority date	—
Expiry date	May 5, 2000

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/44
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A mixture comprising sulphur or a sulphur donor, a mercapto- or sulfenamide vulcanization accelerator, a compound containing a thiophenyl radical and a standard auxiliary accelerator is used as a vulcanization system for natural or synthetic rubber.

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