Triisocyanates and a process for their preparation

US4603189A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Hartmut Knofel · Odenthal, DE
• Stefan Penninger · Pulheim, DE
• Michael Brockelt · Bensberg, DE
• Gunter Hammen · Dormagen, DE
• Herbert Stutz · Karlsruhe, DE

Key dates

• Filing date: Apr 29, 1985
• Grant date: Jul 29, 1986
• Expiry date: Apr 29, 2005

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/74
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Triisocyanates and isomeric mixtures of triisocyanates corresponding to the formula ##STR1## in which R represents hydrogen or an alkyl group having from 1 to 4 carbon atoms are made by phosgenating the corresponding triamine. These triisocyanates are particularly useful in the production of polyurethanes, especially polyurethane lacquer coats.