Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1978-12-26
1980-02-26
Konopka, P. E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
208108, 208111, 252416, B01J 2396, B01J 2938, C10G 1310
Patent
active
041905547
ABSTRACT:
A method for reactivation of a platinum group metal catalyst which comprises treating the platinum group metal catalyst lowered in catalytic activity as the result of having been used for the catalytic reaction of hydrocarbons optionally containing an oxygen atom with at least one agent selected from an inorganic alkaline substance and a reducing substance in an aqueous medium.
REFERENCES:
patent: 1980829 (1934-11-01), Ridler
patent: 3374182 (1968-03-01), Young
patent: 3824193 (1974-07-01), Williams et al.
patent: 3959382 (1976-05-01), Yeh et al.
patent: 4148750 (1979-04-01), Pine
Morimoto Yukihiko
Nakai Katsumi
Sasaki Toshikatu
Yamauchi Kiaki
Konopka P. E.
Osaka Gas Company Ltd.
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