Process for preparing methacrolein

US4283564A · kind A · utility

Assignee

• Ruhrchemie Aktiengesellschaft · DE

Inventors

• Wolfgang Bernhagen · Mülheim, DE
• Hanswilhelm Bach · Oberhausen, DE
• Eike Brundin · Dinslaken, DE
• Wilhelm Gick · Duisburg, DE
• Helmut Springer · Dinslaken, DE
• Adolf Hack · Oberhausen, DE

Key dates

• Filing date: Dec 21, 1979
• Grant date: Aug 11, 1981
• Expiry date: Dec 21, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/75
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for preparing methacrolein by catalytic reaction of propionaldehyde with formaldehyde is disclosed wherein the catalyst comprises a mixture of secondary amine and organic carboxylic acid with up to 8 carbon atoms.