Supported hydrogenating catalyst in powder form

US6818720B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Jurgen Krauter · Dreieich, DE
• Michael Gross · Salem, DE
• Uwe Packruhn · Frankfurt am Main, DE
• Markus Göttlinger · Rodenbach, DE

Key dates

• Filing date: Nov 6, 2002
• Grant date: Nov 16, 2004
• Expiry date: Nov 6, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/915
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Supported, hydrogenating catalyst in powder form containing, as a catalytically active component, a primary precious metal component, a secondary precious metal component and one or more non-precious metal components. It is used for the hydrogenation of nitroaromatics, in particular nitrobenzene and DNT.