Patent · US Expired

Sulphur-containing polymers useful as stabilizing agents for rubber vulcanizates

US4665155A · kind A · utility

1Cited by

1References

5Claims

0Family size

Assignee

Monsanto Europe S.A. · BE

Inventors

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

Key dates

Filing date	Sep 9, 1985
Grant date	May 12, 1987
Priority date	—
Expiry date	Sep 9, 2005

Classification

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

Abstract

Additives for rubber compositions, giving vulcanisates 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.