Catalyst and method for hydrogenating aromatic compounds

US7361714B2 · kind B2 · utility

Assignee

• OXENO OLEFINCHEMIE GMBH · DE

Inventors

• Michael Grass · Bend, US
• Alfred Kaizik · Marl, DE
• Wilfried Bueschken · Haltern, DE
• Axel Tuchlenski · Weinheim, DE
• Dietrich Maschmeyer · Recklinghausen, DE
• Kurt-Alfred Gaudschun · Recklinghausen, DE
• Frank Brocksien · Schneverdingen, DE

Key dates

• Filing date: Apr 26, 2003
• Grant date: Apr 22, 2008
• Expiry date: Mar 5, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to the hydrogenation of aromatic compounds, in particular the preparation of alicyclic polycarboxylic acids or esters of these, via ring hydrogenation of the corresponding aromatic polycarboxylic acids or esters of these, and also to catalysts suitable for this purpose.