Process for the preparation of dialkyl carbonates

US5233072A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Zoltan Kricsfalussy · Leverkusen, DE
• Helmut Waldmann · Leverkusen, DE
• Hans-Joachim Traenckner · Leverkusen, DE
• Marko Zlokarnik · Cologne, DE
• Reinhard Schomacker · Leverkusen, DE

Key dates

• Filing date: Nov 16, 1992
• Grant date: Aug 3, 1993
• Expiry date: Nov 16, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C68/01
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

To prepare C.sub.1 -C.sub.4 -dialkyl carbonates, C.sub.1 -C.sub.4 -alkanols are reacted with CO and O.sub.2 at a relatively high temperature in a salt melt containing Cu salts.