Base metal automotive exhaust catalysts with improved activity a

Details Base metal automotive exhaust catalysts with improved activity a Base metal automotive exhaust catalysts with improved activity a

1990-06-06

1991-11-05

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

423263, 4232132, B01F 1700, B01J 2310

Patent

active

050631934

ABSTRACT:
An improved particulate washcoat for use on a ceramic or metallic support is disclosed for the treatment of automotive exhaust gases. The mixture consists essentially of high surface area ceria particles and alumina particles wherein the ceria particles bear copper oxide. Preferably, one of chromium oxide, manganese oxide and tin oxide are dispersed over both the ceria and alumina particles of the washcoat.

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patent: 4940685 (1990-07-01), Sauvion et al.
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