Process for the preparation of methacrylic acid from methacrolei

Details Process for the preparation of methacrylic acid from methacrolei Process for the preparation of methacrylic acid from methacrolei

1976-04-29

1979-08-28

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

252435, 252437, 562535, C07C 5132, C07C 5704

Patent

active

041661907

ABSTRACT:
Catalysts containing tungsten, phosphorus, vanadium, molybdenum, and promoted with at least one of the elements selected from the group selected from Sn, As, Cu, Ce, B, Cr, Fe, Ni, Co, U, Mn, Ag, Ru, Rh, Cd, Sr, In, Zn, and La have been found to be especially effective for the oxidation of unsaturated aldehydes to form the corresponding unsaturated acid.

REFERENCES:
patent: 3875220 (1975-04-01), White et al.
patent: 3925464 (1975-12-01), Ada et al.
patent: 3976688 (1976-08-01), Akiyama et al.
patent: 4014925 (1977-03-01), Ferlazzo et al.
patent: 4042625 (1977-08-01), Matsuzawa et al.
patent: 4075244 (1978-02-01), Akiyama et al.

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