Patent · US Expired

Liquid sulfur-containing oligosiloxanes and their use in rubber mixtures

US6689834B2 · kind B2 · utility

17Cited by

25References

20Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Jurgen Ackermann · Bensberg, DE
Hermann-Josef Weidenhaupt · Pulheim, DE
Stefan Peter Grabowski · Neuss, DE

Key dates

Filing date	Sep 7, 2001
Grant date	Feb 10, 2004
Priority date	—
Expiry date	Sep 7, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/03
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to sulfur-containing oligosiloxanes which are liquid at −25-100° C., processes for their preparation and their use in silica-containing rubber mixtures which can be crosslinked with sulfur.

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