Patent · US Expired

Sulphur-containing polymers useful as stabilizing agents for rubber vulcanizates

US4552929A · kind A · utility

3Cited by

2References

7Claims

0Family size

Assignee

Monsanto Europe S.A. · BE

Inventors

Albert Devaux · Mont-Saint-Guibert, BE
Philippe G. Moniotte · Héron, BE

Key dates

Filing date	Jun 4, 1984
Grant date	Nov 12, 1985
Priority date	—
Expiry date	Jun 4, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/38
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are polymeric trithiocarbonates having a structure comprising repeating units of the formula ##STR1## where R is an organic bridging group, e.g. an alkylene group.

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