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

1985-07-30

1987-07-14

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

4232135, B01J 2106, B01J 2310, B01J 2344, B01J 2346

Patent

active

046802827

ABSTRACT:
A multifunctional pollution control catalyst for the treatment of exhaust gases from internal combustion engines is comprised of a catalyst support having an active catalytic phase deposited thereon, said active catalytic phase comprising catalytically effective amounts of (i) zirconium, (ii) cerium, (iii) palladium, (iv) iridium and/or rhodium, and, optionally, (v) iron.

REFERENCES:
patent: 4294726 (1981-10-01), Bozon et al.
patent: 4299734 (1981-11-01), Fujitani et al.
patent: 4367162 (1983-01-01), Fujitani et al.
patent: 4426319 (1984-01-01), Blanchard et al.
patent: 4504598 (1985-03-01), Ono et al.
patent: 4581343 (1986-04-01), Blanchard et al.

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