Method of producing a carboxylic alkyl ester

US8410306B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Christophe Bauduin · Ludwigshafen, DE
• Wolfgang Fischer · Meerbusch, DE
• Rolf Pinkos · Bad Dürkheim, DE
• Edzard Scholten · Mannheim, DE

Key dates

• Filing date: Apr 4, 2007
• Grant date: Apr 2, 2013
• Expiry date: Jun 25, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a novel process for preparing alkyl polycarboxylates from an aqueous solution of an ammonium salt of the polycarboxylic acid by reactive distillation, and to a process for hydrogenating the alkyl carboxylates prepared in this way.