Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor

US6958404B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Holger Borchert · Offstein, DE
• Stephan Schlitter · Schifferstadt, DE
• Michael Hesse · Westlake Village, US
• Frank Stein · Bad Dürkheim, DE
• Rolf Fischer · Heidelberg, DE
• Ralf-Thomas Rahn · Mannheim, DE
• Alexander Weck · Freinsheim, DE
• Markus Rösch · Oppenheim, DE

Key dates

• Filing date: Dec 7, 2001
• Grant date: Oct 25, 2005
• Expiry date: May 16, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D307/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

C4-dicarboxylic acids or derivatives thereof are hydrogenated in the gas phase in a fluidized-bed reactor. It is possible to use catalyst compositions known per se.