High-resilient polyurethane foams produced from polyether polyols

US6858655B1 · kind B1 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jörg Hofmann · Krefeld, DE
• Pramod Gupta · Bedburg, DE
• Manfred Dietrich · Leverkusen, DE
• Hansjurgen Rabe · Leverkusen, DE
• Jurgen Gronen · Overath, DE
• Pieter Ooms · Krefeld, DE

Key dates

• Filing date: Jun 6, 2000
• Grant date: Feb 22, 2005
• Expiry date: Jul 6, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2110/0083
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Flexible polyurethane foams are produced from a polyisocyanate and a polyether polyol which has been alkoxylated in the presence of a double metal cyanide catalyst and that has at least one ethylene oxide-propylene oxide mixed block.