Multimetal oxide compositions

Details Multimetal oxide compositions Multimetal oxide compositions

1995-02-17

1996-05-28

Pal, Asok

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502211, 502220, 562532, 562535, B01J 2316, B01J 2318, B01J 2318, B01J 2331

Patent

active

055211372

ABSTRACT:
Multimetal oxide compositions having a two-phase structure and comprising molybdenum, hydrogen, one or more of the elements phosphorus, arsenic, boron, germanium and silicon, one or more of the elements niobium, tantalum and antimony and one or more of the elements copper, iron, cobalt, nickel, zinc, cadmium, manganese, magnesium, calcium, strontium and barium, and their use for the preparation of methacrylic acid by gas-phase catalytic oxidation.

REFERENCES:
patent: 4148757 (1979-04-01), Brazdil et al.
patent: 4212766 (1980-07-01), Brazdil et al.
patent: 4341900 (1982-07-01), Ishii et al.
patent: 5221767 (1993-06-01), Boehning et al.
patent: 5231226 (1993-07-01), Hammon et al.
patent: 5364825 (1994-11-01), Neuman et al.
"Ullman's Encyclopedia of Industrial Chemistry", 5 ed., vol. A5, pp. 341-342.

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