Catalysts

Details Catalysts Catalysts

1977-03-14

1979-07-24

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252457, 252463, 252466PT, 252473, 252475, 4232135, B01J 2104, B01J 2310, B01J 2348, B01J 2358

Patent

active

041622359

ABSTRACT:
This invention relates to catalysts, especially for the catalytic oxidation of hydrocarbons and carbon monoxide and for the catalytic reduction of oxides of nitrogen in the presence, respectively, of suitable oxidizing and reducing means.
In more detail, the catalyst of the invention is capable of removing oxygen from a gas containing an excess of oxygen and restoring such removed oxygen to a gas having an oxygen deficiency, and the catalyst comprises at least one of the platinum group metals platinum, rhodium, ruthenium, palladium, indium and osmium and one or more base metals at least one of which has two or more oxidation states.

REFERENCES:
patent: 3895093 (1975-07-01), Weidenbach et al.
patent: 3897367 (1975-07-01), Lauder
patent: 3905918 (1975-09-01), Mai et al.
patent: 3919120 (1975-11-01), Kato et al.
patent: 3922204 (1975-11-01), Tseung et al.
patent: 3926854 (1975-12-01), Whelan et al.
patent: 3963827 (1976-06-01), Acres et al.
patent: 4001143 (1977-01-01), McCann
patent: 4049583 (1977-09-01), Lauder

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