Process for application of a catalytically active coating containing platinum, palladium or rhodium or their mixtures to a carrier and product made by said process

US4374047A · kind A · utility

Assignee

• Degussa AG · DE

Inventors

• Alfred Bozon · Niederrodenbach, DE
• Eduard Lakatos · Gelnhausen, DE
• Edgar Koberstein · Alzenau, DE
• Hans-Dieter Pletka · Alzenau, DE
• Herbert Volker · Hanau, DE

Key dates

• Filing date: Feb 10, 1981
• Grant date: Feb 15, 1983
• Expiry date: Feb 10, 2001

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J37/0201
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A process for applying a coating containing platinum and/or palladium to the surface of a porous catalyst carrier, the depth of penetration being controlled by preloading the carrier with a determined amount of aqueous solution containing ammonium chloride.