Exhaust gas purifying catalyst and process of producing the same

Details Exhaust gas purifying catalyst and process of producing the same Exhaust gas purifying catalyst and process of producing the same

1998-08-07

2000-06-20

Wood, Elizabeth

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502300, 502302, 50252714, 50252724, B01J 2310, B01J 2328, B01J 2344, B01J 2363

Patent

active

060778083

ABSTRACT:
An exhaust gas purifying catalyst is produced by, after contacting a ceria powder with a palladium solution and burning the ceria powder to support the palladium on the ceria powder, forming a coating layer of the ceria powder on a catalyst support and impregnating the coating layer with a solution of cerium and burning it to provide palladium oxide particles fixed around ceria particles and a ceria coating so as to cover the palladium particles.

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patent: 5248650 (1993-09-01), Sekiba et al.
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patent: 5491120 (1996-02-01), Voss et al.
patent: 5494878 (1996-02-01), Murakami et al.
patent: 5597771 (1997-01-01), Hu et al.

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