Preparation of a vanadium(IV)bis(metaphosphate) hydrocarbon oxid

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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Details

252430, 252437, 26034675, B01J 2714, B01J 3102, C07D30760

Patent

active

042922020

ABSTRACT:
A method for the preparation of a chromium, molybdenum or tungsten (Group VIB metal) promoted single phase vanadium(IV)bis(metaphosphate) catalyst useful for the vapor phase oxidation of hydrocarbons and particularly the oxidation of linear C.sub.4 unsaturated olefins to prepare maleic anhydride.

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