Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-06-24
1979-02-06
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
4232135, B01J 2104, B01J 2340
Patent
active
041383672
ABSTRACT:
A catalyst, which consists essentially of a catalytic metal, or metals, of the platinum group distributed on a carrier of active alumina and exhibits high conversion ability for CO and HC and good durability but exhibits a relatively low activity on the oxidation of SO.sub.2, is produced by impregnating the carrier with an aqueous solution containing, dissolved therein, a complex of a salt of EDTA and the catalytic metal and baking the impregnated carrier in a stream of steam at temperatures between 300 and 700.degree. C.
REFERENCES:
patent: 2908654 (1959-10-01), Heinemann et al.
patent: 3741725 (1973-06-01), Graham
patent: 4051073 (1977-09-01), Hegedus et al.
Iizuka Akio
Ito Hidefumi
Mine Junichi
Yoneshige Tetsuhiko
Nissan Motor Company Limited
Shine W. J.
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