Thermally stable/highly reducible catalyst compositions comprisi

Details Thermally stable/highly reducible catalyst compositions comprisi Thermally stable/highly reducible catalyst compositions comprisi

1995-05-30

1999-03-16

Bell, Mark L.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502415, 502353, 502304, 502349, 502302, 502311, 502355, 501105, 501152, B01J 2300, B01J 2316, B01J 2308, B01J 2000

Patent

active

058830375

ABSTRACT:
Thermally stable/highly reducible catalyst compositions, well suited for the catalytic conversion of exhaust gases emanating from internal combustion engines notably vehicular exhaust gases, comprise alumina, the oxides of cerium praseodymium and zirconium, and, optionally, at least one other oxide of bismuth, of a rare earth, or of an element of group VIII of the Periodic Table, and exhibit a stabilized hydrogen-absorption capacity up to a temperature of at least 1,000.degree. C.

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