Catalyst, method for its production and use of same

US6030589A · kind A · utility

Assignee

• Daimlerchrysler AG · US

Inventors

• Martin Hartweg · Erbach, DE
• Andrea Seibold · Blaustein, DE
• Leonhard Walz · Rastatt, DE
• Thomas Fetzer · Speyer, DE
• Bernd Morsbach · Ludwigshafen, DE

Key dates

• Filing date: Dec 12, 1996
• Grant date: Feb 29, 2000
• Expiry date: Dec 12, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A method of catalytically reducing nitrogen oxides (NO.sub.x) and oxidizing hydrocarbons or carbon monoxide in exhaust gases of internal combustion engines or combustion power plants using a catalyst comprising a magnesium oxide/copper oxide/aluminum oxide spinel or a copper-impregnated copper oxide/aluminum oxide spinel.