Catalyst for purifying automobile exhausts

Details Catalyst for purifying automobile exhausts Catalyst for purifying automobile exhausts

1996-10-15

1999-06-29

Lewis, Michael

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502261, 502263, 502304, 502328, B01J 2112, B01J 2358

Patent

active

059168390

ABSTRACT:
A catalyst useful in purifying exhaust gases is disclosed which includes: (a) a carrier including a composite of SiO.sub.2, .gamma.-alumina and an alkali earth metal oxide selected from the group consisting of MgO and BaO; (b) an oxygen absorbing material; and (c) at least one noble metal.

REFERENCES:
patent: 3388077 (1968-06-01), Hoekstra
patent: 4171288 (1979-10-01), Keith et al.
patent: 4438219 (1984-03-01), Brandenburg et al.
patent: 4906443 (1990-03-01), Gandhi et al.
patent: 5260249 (1993-11-01), Shiraishi et al.
patent: 5489522 (1996-02-01), Subramanian et al.
CATSJ Meeting Abstract, vol. 37, No. D3, 1995, pp. 98-101, no month.

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