Catalyst for the conversion of vehicular exhaust gases and proce

Details Catalyst for the conversion of vehicular exhaust gases and proce Catalyst for the conversion of vehicular exhaust gases and proce

1988-10-21

1990-06-05

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502302, 502303, 502325, 502338, 502339, 502349, 4232135, B01J 2310, B01J 2340, B01J 3504

Patent

active

049314190

ABSTRACT:
Improvedly time-stable catalysts adopted for the treatment of internal combustion engine exhaust gases include a monolithic catalyst support impregnated with a plurality of catalytically active phases, one section of the support being impregnated with a first catalytically active phase and remaining section of the support being impregnated with a second catalytically active phase.

REFERENCES:
patent: 4053434 (1977-10-01), McArthur
patent: 4152301 (1979-05-01), Summers et al.
patent: 4374103 (1983-02-01), Gandhi et al.
patent: 4448756 (1984-05-01), Hammerle et al.
patent: 4552733 (1985-11-01), Thompson et al.

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