Process for coproducing di- and/or polyisocyanates and glycols

US9000213B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Michael Bock · Ruppertsberg, DE
• Robert Baumann · Mannheim, DE
• Axel Franzke · Goldkronach, DE
• Eckhard Stroefer · Mannheim, DE
• Gerhard Theis · Frankenthal (Pfalz), DE

Key dates

• Filing date: Oct 27, 2010
• Grant date: Apr 7, 2015
• Expiry date: Oct 15, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for coproducing di- and/or polyisocyanates and glycols, comprising process stages A, B, C and E for preparing glycols and process stages A, C, D, E, F and G for preparing di- and/or polyisocyanates,which comprises