Catalyst for the preparation of phthalic anhydride

Details Catalyst for the preparation of phthalic anhydride Catalyst for the preparation of phthalic anhydride

1981-03-25

1983-09-20

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252477R, 549248, B01J 2106, B01J 2322, B01J 3502

Patent

active

044055056

ABSTRACT:
A catalyst for the preparation of phthalic anhydride is disclosed which comprises a carrier having an open arcuate configuration, e.g. in the form of half rings, and an active portion including V.sub.2 O.sub.5 and porous TiO.sub.2 with the pores having mostly a radius in the 500 to 1,500 A range.

REFERENCES:
patent: 3674680 (1972-07-01), Hoekstra et al.
patent: 3799886 (1974-03-01), Felice et al.
patent: 4010238 (1977-03-01), Shiraishi et al.
patent: 4036783 (1977-07-01), Blechschmitt et al.

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