Catalyst for exhaust gas purification

Details Catalyst for exhaust gas purification Catalyst for exhaust gas purification

1973-12-26

1976-05-11

Shaver, Paul F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252454, 252457, 252459, 252460, 252477R, B01J 2906

Patent

active

039561852

ABSTRACT:
A catalyst for exhaust gas purification comprises a carrier consisting of acid- and high temperature-resistant silica fibers, a first silica layer deposited on surfaces of the silica fibers, and a second heat-resistant material layer deposited on surfaces of the first silica layer, and a catalyst of noble metals, metals or metal oxides deposited on surfaces of the carrier.

REFERENCES:
patent: 3189563 (1965-06-01), Hauel
patent: 3691097 (1972-09-01), Stiles et al.
patent: 3697447 (1972-10-01), Bettinardi
patent: 3804647 (1974-04-01), Elmer et al.

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