Preparation of acrylic acid and methacrylic acid

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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252432, 252443, 252456, 252464, 252467, 252469, 260530R, 260533N, 260604R, 26034675, C07C 5132

Patent

active

040511804

ABSTRACT:
The present invention relates to a catalyst composition consisting of oxide complexes of vanadium, molybdenum and copper plus an additional metal oxide selected from the group consisting of antimony and germanium or mixtures thereof. These catalysts are especially useful for producing acrylic acid from acrolein and for producing methacrylic acid from methacrolein.

REFERENCES:
patent: 3736354 (1973-05-01), Yanagita et al.

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