Method for the selective production of tetrahydrofuran by hydrogenating maleic acid anhydride

US7307040B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Stephan Schlitter · Schifferstadt, DE
• Holger Borchert · Offstein, DE
• Michael Hesse · Westlake Village, US
• Markus Schubert · Ludwigshafen, DE
• Nils Bottke · Ludwigshafen am Rhein, DE
• Rolf Fischer · Heidelberg, DE
• Markus Rösch · Oppenheim, DE
• Gunnar Heydrich · Schifferstadt, DE
• Alexander Weck · Freinsheim, DE

Key dates

• Filing date: Jul 3, 2002
• Grant date: Dec 11, 2007
• Expiry date: Jul 6, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J37/03
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A catalyst for the hydrogenation of C4-dicarboxylic acids and/or derivatives thereof, preferably maleic anhydride, in the gas phase comprises