Microporous catalyst and method for hydrogenating aromatic compounds

US8207375B2 · kind B2 · utility

Assignee

• Evonik Oxeno 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: Feb 4, 2008
• Grant date: Jun 26, 2012
• Expiry date: Apr 28, 2031

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 their esters by core hydrogenation of the corresponding aromatic polycarboxylic acids or their esters, and also to catalysts suitable therefore.