Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-03-23
1981-03-10
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252455R, 252456, 252461, 252464, 252467, 252471, 252472, 252475, 252476, B01J 2322
Patent
active
042552850
ABSTRACT:
Novel coated catalysts and a process for their preparation by atomizing a mixture of water and a vanadium-V compound, with or without other metal compounds, and applying this mixture to carrier particles which are themselves in motion, drying the coating and subjecting the catalyst particles, which are themselves in motion, to repeated brief treatment with a flame or plasma, followed by rapid cooling, defined temperatures and rates of coating being employed. The catalysts may be used with advantage for the preparation of anthraquinones by oxidation of indans.
REFERENCES:
patent: 4151182 (1979-04-01), Engelbach et al.
Engelbach Heinz
Hoffmann Harry
Palm Peter
Sommer Karl
Sprague Michael J.
BASF - Aktiengesellschaft
Shine W. J.
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