Catalytic oxidative process for producing maleic anhydride

Details Catalytic oxidative process for producing maleic anhydride Catalytic oxidative process for producing maleic anhydride

1978-05-05

1979-12-04

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252437, B01J 2714

Patent

active

041771613

ABSTRACT:
Unsaturated hydrocarbons having 4 to 6 carbon atoms are catalytically oxidized into maleic anhydride by using a catalyst, which consists essentially of oxides of (A) vanadium, (B) phosphorus, (C) titanium and (D) optionally at least one element selected from sodium, calcium, magnesium, iron, zirconium, boron, manganese, silver and molybdenum in the atomic ratios defined by the following formula

REFERENCES:
patent: 3086026 (1963-04-01), Wiefusch
patent: 3156705 (1964-11-01), Kerr
patent: 3684741 (1972-08-01), Friedichsen et al.
patent: 3865873 (1975-02-01), Oda et al.
patent: 3875220 (1975-04-01), White et al.
patent: 4006167 (1977-02-01), Umemura et al.
patent: 4092332 (1978-05-01), Freerks

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