Gold-based catalyst for the oxidative esterification of aldehydes to obtain carboxylic esters

US10232353B2 · kind B2 · utility

Assignee

• Evonik Röhm GmbH · DE

Inventors

• Alexander Lygin · Griesheim, DE
• Steffen Krill · Mühltal, DE
• Matthias Groemping · Darmstadt, DE
• Andreas Tepperis · Bad König, DE

Key dates

• Filing date: Dec 29, 2015
• Grant date: Mar 19, 2019
• Expiry date: Dec 29, 2035

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2523/00
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Catalysts for oxidative esterification can be used, for example, for converting (meth)acrolein to methyl (meth)acrylate. The catalysts are especially notable for high mechanical and chemical stability even over very long time periods, including activity and/or selectivity relatively in continuous operation in media having even a small water content.