Patent · US Active

Polyurea- and/or polyurethane-polyorganosiloxane compounds

US8785587B2 · kind B2 · utility

7Cited by

4References

9Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

Roland Wagner · Feldkirchen-Westerham, DE
Karl-Heinz Sockel · Leverkusen, DE
Anita Witossek · Langenfeld, DE
Walter Simon · Bochum, DE

Key dates

Filing date	Aug 14, 2008
Grant date	Jul 22, 2014
Priority date	—
Expiry date	Dec 28, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to novel polyurea- and/or polyurethane polyorganosiloxane compounds, processes for the preparation thereof, and their use and novel reactive 1- or 2-component systems and cured compositions therefrom. The compounds preferably contain repeating units of the formula (2):in the polyurea- and/or polyurethane polyorganosiloxane backbone. The polyurea- and/or polyurethane polyorganosiloxane compounds can also contain polyether segments in the backbone.

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