Pollution control catalyst for internal combustion engine exhaus

Details Pollution control catalyst for internal combustion engine exhaus Pollution control catalyst for internal combustion engine exhaus

1980-09-16

1983-03-29

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252460, 252462, 4232135, B01J 2310, B01J 2342, B01J 2344, B01J 2374

Patent

active

043783074

ABSTRACT:
A pollution control catalyst for a catalytic converter comprising the exhaust system of an internal combustion engine, said catalyst including a refractory oxide support, and an activated phase therefor comprised of 0.3 to 7% by weight cerium based upon the weight of said support, 0.1 to 3.5% by weight iron, also based upon the weight of said support, at least one platinum or palladium metal, and at least one iridium or rhodium metal.

REFERENCES:
patent: 3840471 (1974-10-01), Acres
patent: 3929965 (1975-12-01), Kim et al.
patent: 4162235 (1979-07-01), Acres et al.
patent: 4171288 (1979-10-01), Keith et al.
patent: 4283308 (1981-08-01), Ohara et al.

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