Catalyst for purifying exhaust gases

Details Catalyst for purifying exhaust gases Catalyst for purifying exhaust gases

1973-01-08

1976-03-23

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

4232135, B01J 2104, B01J 2342, B01J 2344

Patent

active

039459470

ABSTRACT:
A multi-component catalyst composition prepared by combining (A) noble metal catalyst elements effective for oxidizing carbon monoxide and hydrocarbons with (B) catalyst elements effective for the same purpose but containing no noble metal. The multi-component catalyst composition is effective in purifying exhaust gases containing nitrogen oxides, carbon monoxide and hydrocarbons by converting these harmful components into harmless components.

REFERENCES:
patent: 3304150 (1967-02-01), Stover et al.
patent: 3397154 (1968-08-01), Talsma
patent: 3493325 (1970-02-01), Roth
patent: 3565574 (1971-02-01), Kearby et al.
patent: 3637344 (1972-01-01), Thompson et al.
patent: 3699683 (1972-10-01), Tourtellotte et al.
patent: 3741725 (1973-06-01), Graham
patent: 3767764 (1973-10-01), Dolbear
patent: 3784675 (1974-01-01), Kobylinski et al.

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