Methacrylic acid production catalyst

Details Methacrylic acid production catalyst Methacrylic acid production catalyst

1982-12-09

1984-04-24

Wright, William G.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

502209, 502210, 502212, B01J 2714

Patent

active

044449070

ABSTRACT:
A heteropolyacid type catalyst capable of producing methacrylic acid from methacrolein and molecular oxygen at an extremely high yield for a long time at a relatively low temperature for a short contacting time under a vapor phase is provided. This catalyst is prepared by:

REFERENCES:
patent: 3379652 (1968-04-01), Young
patent: 3998876 (1976-12-01), Koto et al.
patent: 4072708 (1978-02-01), White et al.
patent: 4075123 (1978-02-01), White et al.
patent: 4075124 (1978-02-01), White et al.
patent: 4110369 (1978-08-01), White et al.
patent: 4139719 (1979-02-01), White et al.
patent: 4283288 (1981-08-01), Udovich et al.
patent: 4314074 (1982-02-01), Khoobiar
patent: 4333853 (1982-06-01), Milberger et al.

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