Burned gas purifying catalyst

Details Burned gas purifying catalyst Burned gas purifying catalyst

1997-07-17

1999-09-28

Bhat, Nina

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502304, 502326, 502333, 502334, 502339, 422177, B01J 2300, B01J 2342, B01D 5000

Patent

active

059588268

ABSTRACT:
An exhaust gas emission control catalyst includes an under catalyst layer containing at least one of barium and lanthanum and an over catalyst layer containing an agent for absorbing water in a gas, at least one of the under catalyst layer and over catalyst layer containing catalytic metal.

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patent: 5492878 (1996-02-01), Fujii et al.
patent: 5494878 (1996-02-01), Murakami et al.
patent: 5571763 (1996-11-01), Takemoto et al.
patent: 5597771 (1997-01-01), Hu et al.
patent: 5672557 (1997-09-01), Williamson et al.
patent: 5681788 (1997-10-01), Kanesaka et al.

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