Foams of high thermal stability

US9481776B2 · kind B2 · utility

Assignee

• Covestro Deutschland AG · DE

Inventors

• Dirk Wegener · Bielefeld, DE
• Stephan Reiter · Langenfeld, DE
• Harald Rasselnberg · Dormagen, DE
• Marcel Schornstein · Neuss, DE
• Hans-Detlef Arntz · Overath, DE
• Dirk Brüning · Leverkusen, DE

Key dates

• Filing date: Dec 12, 2011
• Grant date: Nov 1, 2016
• Expiry date: Oct 13, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/249983
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to foams of high thermal stability, to the production thereof from organic polyisocyanates and polyepoxides, and to the use of the foams.