Process for the production of optionally-foamed polyurethanes

US4390640A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Werner Rasshofer · Kürten, DE
• Geza Avar · Leverkusen, DE
• Hans-Albrecht Freitag · Bensberg, DE
• Gerhard Grogler · Leverkusen, DE
• Richard Kopp · Cologne, DE

Key dates

• Filing date: Jan 25, 1982
• Grant date: Jun 28, 1983
• Expiry date: Jan 25, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/246
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a process for the production of polyurethanes, particularly polyurethane foam moldings having a compact skin and a cellular core, using special tin activators.