Use of improved mixed vanadium phosphorus oxide catalyst in oxid

Details Use of improved mixed vanadium phosphorus oxide catalyst in oxid Use of improved mixed vanadium phosphorus oxide catalyst in oxid

1981-07-24

1982-12-21

Jiles, Henry R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549259, 252437, C07D30760

Patent

active

043650694

ABSTRACT:
Vanadium phosphorus mixed oxide containing catalysts are prepared in an organic liquid reaction medium with heating wherein at least 1.5 moles organic liquid are removed from the reaction medium such as by distillation for each mole of vanadium which is reduced or reacted during such reaction and/or reduction. The resulting catalysts are useful for the production of maleic anhydride from 4 carbon atom hydrocarbons.

REFERENCES:
patent: 4002650 (1977-01-01), Bremer et al.
patent: 4016105 (1977-04-01), Kerr
patent: 4043943 (1977-08-01), Schneider
patent: 4132670 (1979-01-01), Katsumoto et al.
patent: 4147661 (1979-04-01), Higgins et al.
patent: 4244879 (1981-01-01), Bremer et al.

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