H.sub.8 PMo.sub.10 VO.sub.39 and its anhydride, PMo.sub.10 VO.su

Details H.sub.8 PMo.sub.10 VO.sub.39 and its anhydride, PMo.sub.10 VO.su H.sub.8 PMo.sub.10 VO.sub.39 and its anhydride, PMo.sub.10 VO.su

1986-03-07

1988-01-19

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

423306, 502209, 562535, 562538, 562549, 562599, C07C 6730

Patent

active

047205750

ABSTRACT:
The molybdovanadophosphoric acid H.sub.8 PMo.sub.10 VO.sub.39, its PMo.sub.10 VO.sub.35 anhydride, methods for their preparation, and methods for making methacrylic acid and its esters by oxidation/dehydrogenation wherein the above acid and/or its anhydride is employed as a catalyst.

REFERENCES:
patent: 4146574 (1979-03-01), Okada et al.
patent: 4192951 (1980-03-01), Slinkard et al.

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