Purifying distillation of vinyl formate

US5603813A · kind A · utility

Assignee

• BASF SE

Inventors

• Thomas Ruhl · Bischofswerda, DE
• Marc Heider · Neustadt, DE
• Jochem Henkelmann · Mannheim, DE
• Ralf-Thomas Rahn · Mannheim, DE
• Harald Rust · Bochum, DE

Key dates

• Filing date: Aug 2, 1995
• Grant date: Feb 18, 1997
• Expiry date: Aug 2, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C67/54
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Vinyl formate containing formic acid, acetaldehyde and water following synthesis is separated from formic acid and water in a first distillation stage and from acetaldehyde in a second stage to give pure vinyl formate.