Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-11-13
1981-12-29
Straub, Gary P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252465, 585445, B01J 2900, B01J 2316, C07C 264, C07C 406
Patent
active
043081754
ABSTRACT:
The invention relates to a carrier-supported catalyst comprising oxides of chromium and tungsten and at least one of the oxides of molybdenum and potassium in the atomic ratio of Cr.sub.1 W.sub.0.1-0.5 Mo.sub.0-0.05 K.sub.0-0.5 on a porous carrier material, and to a process for making it. To this end, the process provides
REFERENCES:
patent: 2420563 (1947-05-01), Reynolds
patent: 3998721 (1976-12-01), O'Hara
patent: 4139493 (1979-02-01), Mickelson
patent: 4192961 (1980-03-01), Polyakov et al.
Erpenbach Heinz
Gehrmann Klaus
Joest Herbert
Hoechst Aktiengesellschaft
Straub Gary P.
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