Supported hydrogenation catalysts

US4774221A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Harald Medem · Krefeld, DE
• Udo Birkenstock · Ratingen, DE
• Herbert Schmidt · Friedberg, DE
• Burkhard Lachmann · Rotterdam, NL

Key dates

• Filing date: Oct 20, 1986
• Grant date: Sep 27, 1988
• Expiry date: Oct 20, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S502/524
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Supported catalysts containing palladium on a support material are improved by added bases which remain on the material. These supported catalysts are useful for hydrogenating optionally substituted phenols to give the corresponding cyclohexanols as the predominant product.