Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1972-09-27
1976-03-02
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252439, 252447, 260580, B01J 2118
Patent
active
039417174
ABSTRACT:
Catalysts of noble metals on activated carbon are subjected to the action of a sulfoxide together with hydrazine or its derivatives. The catalysts are particularly useful in the selective hydrogenation of chloronitro-aromatic compounds.
REFERENCES:
patent: 2285277 (1942-06-01), Henke et al.
patent: 2823235 (1958-02-01), Graham et al.
patent: 3328465 (1967-06-01), Spiegler
patent: 3736266 (1973-05-01), Schrage
Lippert Gerhard
Troger Karl-Jurgen
Vollheim Gerhard
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Garvin Patrick P.
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