Metal oxyhalide catalytic compositions

Details Metal oxyhalide catalytic compositions Metal oxyhalide catalytic compositions

1976-09-22

1978-08-29

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252441, 423263, 423463, 423464, 4232132, 4232135, B01J 2712, B01J 2710

Patent

active

041102517

ABSTRACT:
Metal oxyhalides of the general formula ABO.sub.3-f X.sub.f having perovskite-type crystal structures in which A and B are each cations of at least one metal and a portion of the type B cations are catalytically active; X is fluoride or chloride; and f is about from 0.01 to 1.0; useful for the promotion of oxidation and reduction reactions, including those involved in the cleanup of exhaust gases of internal combustion engines.

REFERENCES:
patent: 3035896 (1962-05-01), Brixner
patent: 3365269 (1968-01-01), Chamberland
patent: 3420776 (1969-01-01), Hepplewhite et al.
patent: 3420780 (1969-01-01), Forrat et al.
Chamberland, "A New Oxyfluoride Perovskite, KTiO.sub.2 F", Mat. Res. Bull. vol. 6, No. 5, pp. 311-316 (1971) Pergamon Press.

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