Preparation of organic acids such as acrylic acid by catalytic o

Details Preparation of organic acids such as acrylic acid by catalytic o Preparation of organic acids such as acrylic acid by catalytic o

1998-11-25

2000-09-26

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

562547, 562538, 502305, 502313, 502321, 502306, 502307, C07C 5116

Patent

active

061244996

ABSTRACT:
Multimetal oxide materials containing molybdenum, vanadium, copper and one or more of the elements tungsten, niobium, tantalum, chromium and cerium and having a multiphase structure, and their use for the preparation of acrylic acid from acrolein by gas-phase catalytic oxidation, and oxometallates of the HT Cu molybdate structure type which contain Cu, Mo and at least one of the elements W, V, Nb and Ta.

REFERENCES:
patent: 4035262 (1977-07-01), Childress et al.
patent: 5686373 (1997-11-01), Tenten et al.
JCPDS-ICDD index cards, Set 42, Powder Diffraction File, Inorganic and Organic, International Centre for Diffraction, 1989.
Inorg. Chem. 1986, 25, 3782-3785, Hydrothermal Synthesis of Copper Molybdates; Ahmad Moini, et al, Apr. 11, 1986.
Russian Journal of Inorganic Chemistry 36 (7) 1991, "The crystal structure of CuMoO.sub.4 -III", R. Tali, et al.

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