Process for selectively oxidizing isobutylene to methacrolein an

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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252435, 252437, 252439, 252455R, 252456, 252458, 252462, 252467, 252469, 260604R, 562547, C07C 4504, C07C 5132, C07C 5704

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041951875

ABSTRACT:
This invention provides a process for preparing an improved selective oxidation catalyst consisting of a highly compressed mixture of metal oxides in which the atomic ratio of elements varies between about 0.3 and 2.4 atoms selected from phosphorus, manganese, germanium, zirconium, tin, tellurium, cerium and hafnium, and between about 0.4 and 3.6 atoms selected from titanium, vanadium, niobium, antimony and tantalum, per twelve atoms of molybdenum.

REFERENCES:
patent: 3554928 (1971-01-01), Eden
patent: 3879453 (1975-04-01), Ono et al.

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