High temperature catalyst compositions for internal combustion e

Details High temperature catalyst compositions for internal combustion e High temperature catalyst compositions for internal combustion e

1985-04-12

1986-11-25

Shine, W. J.

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

Catalyst or precursor therefor

Silicon containing or process of making

502262, 502263, 502303, 4232135, B01J 2104, B01J 2310, B01J 2344

Patent

active

046249400

ABSTRACT:
Catalysts having three types of particles dispersed on a monolith have surprising oxidation and three-way activity even after exposure to temperatures above 1000.degree. C. The particle types are: (1) palladium dispersed on stabilized alumina; (2) ceria-containing promoter particles and (3) washcoat stabilization particles.

REFERENCES:
patent: 3524721 (1970-08-01), Stephens
patent: 3741725 (1973-06-01), Graham
patent: 3894140 (1975-07-01), Warshaw
patent: 4367162 (1983-01-01), Fujitani et al.
patent: 4392988 (1983-07-01), Dobson et al.

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