Process for the catalytic dehydrogenation of diols

US5426195A · kind A · utility

Assignee

• Huels Aktiengesellschaft · DE

Inventors

• Reinhard Sigg · Marl, DE
• Hans Regner · Marl, DE

Key dates

• Filing date: May 17, 1994
• Grant date: Jun 20, 1995
• Expiry date: May 17, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D315/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Diols of 3 to 10 carbon atoms are catalytically dehydrogenated over a catalyst containing copper and chromium in a first stage in which the diols are passed in the liquid phase over the catalyst, and subsequently the reaction product obtained is passed in the gas phase over the catalyst.