Process for producing methacrylic acid

Details Process for producing methacrylic acid Process for producing methacrylic acid

1981-03-30

1985-10-15

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

502209, 502211, 562534, 562600, C07C 5125, C07C 57055

Patent

active

045475881

ABSTRACT:
A catalyst composition useful for the oxidation of unsaturated aldehydes, particularly the oxidation of methacrolein to produce methacrylic acid, comprises the combination of oxides of molybdenum, copper, phosphorus, antimony, and cesium and/or calcium and optionally may include one or more of the elements Ni, Zn, Ru, Rh, Pd, Pt, As, K, Rb, Sr, Ba, Cr, V, Nb, W, Mn, Re, and rare earth metals including La.

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patent: 4072708 (1978-02-01), White et al.
patent: 4075244 (1978-02-01), Akiyama et al.
patent: 4138365 (1979-02-01), Ogawa et al.
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Parthasarath et al., Chemical Abstracts, 74:124846c, (1971).

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