Patent · US Active

Sealants

US8981030B2 · kind B2 · utility

0Cited by

5References

11Claims

0Family size

Assignee

Bayer Intellectual Property GmbH · DE

Inventors

Evelyn Peiffer · Leverkusen, DE
Mathias Matner · Neuss, DE

Key dates

Filing date	Dec 6, 2010
Grant date	Mar 17, 2015
Priority date	—
Expiry date	Dec 6, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2190/00
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to alkoxysilane groups comprising prepolymers and the use thereof as binding agents for sealants. More specifically the invention relates to alkoxysilyl polyurethanes prepared from a polyol having a number-average molecular weight of from greater than 20,000 to 30,000 and an isocyanate alkoxysilane.

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