Method for producing tetrahydrofuran

US7098349B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Rolf Pinkos · Bad Dürkheim, DE
• Stefan Käshammer · Schifferstadt, DE
• Volkmar Menger · Neustadt, DE
• Martin Haubner · Ludwigshafen am Rhein, DE
• Peter Groll · Schifferstadt, DE
• Stephan Schlitter · Schifferstadt, DE
• Klaus-Peter Pfaff · Friedelsheim, DE

Key dates

• Filing date: Jul 30, 2003
• Grant date: Aug 29, 2006
• Expiry date: Sep 27, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/2666
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the continuous preparation of THF by reaction of a 1,4-butanediol-containing reaction mixture over a heteropolyacid catalyst which has not been predried, wherein the reaction mixture comprises 2-(4-hydroxybutoxy)tetrahydrofuran.