Removal of methacrolein from a gaseous mixture

US5356460A · kind A · utility

Assignee

• BASF SE

Inventors

• Herbert Vogel · Ludwigshafen, DE
• Herbert Exner · Waldsee, DE
• Gerd Bohner · Malsch, DE

Key dates

• Filing date: Jul 23, 1993
• Grant date: Oct 18, 1994
• Expiry date: Jul 23, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C45/783
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Methacrolein is removed from a gaseous mixture by absorption by means of an aqueous solution which contains from 60 to 90% by weight of methacrylic acid.