Flexible polyurethane foams

US11945904B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Julia Christa Jaehnigen · Lemförde, DE
• Wibke Loelsberg · Osnabrück, DE
• Angelika Mueller · Lemförde, DE
• Daniela Tepe · Dinklage, DE
• Frank Prissok · Bohmte, DE
• Dejan Petrovic · Ludwigshafen, DE
• Heinz-Dieter Lutter · Diepholz, DE

Key dates

• Filing date: Dec 20, 2018
• Grant date: Apr 2, 2024
• Expiry date: Aug 1, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02W30/62
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for producing a flexible polyurethane foam thermally recyclable by fusion, and to hybrid materials made of flexible polyurethane foam and compact thermoplastic elastomer and/or expanded thermoplastic polyurethane.