Catalytic process for the manufacture of unsaturated acids and e

Details Catalytic process for the manufacture of unsaturated acids and e Catalytic process for the manufacture of unsaturated acids and e

1975-06-05

1977-06-14

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252437, 260526R, C07C 6954

Patent

active

040296954

ABSTRACT:
Lower aliphatic acids, e.g., isobutyric acid and esters, e.g., methyl isobutyrate are dehydrogenated in the presence of oxygen and a solid heterogenous dehydrogenation catalyst at temperatures in the range of from about 250.degree. to about 600.degree. C. The catalyst is the calcined residue of a base catalyst described as the mixed phosphates of iron and lead and a modifier component selected from the group consisting of manganese, uranium, praseodymium, calcium, strontium and chromium wherein such modifier is present in the amount of from about 0.1 to about 10% based on the weight of said base catalyst.

REFERENCES:
patent: 3634494 (1972-01-01), Tsu
patent: 3917673 (1975-11-01), Watkins

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