Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-03-21
1979-08-21
Vertiz, O. R.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252464, 252467, 252468, 252470, 26034675, B01J 2310, B01J 2322
Patent
active
041653009
ABSTRACT:
Maleic anhydride and acrylic acid are produced by the oxidation of 1,3-butadiene, n-butylenes, crotonaldehyde and furan with molecular oxygen in the vapor phase in the presence of a catalytic oxide of antimony, molybdenum, vanadium and lithium, cerium, or mixture thereof, wherein the element selected from the group consisting of calcium, iron, tungsten, magnesium, aluminum and nickel is optionally added as a reducing agent. The oxidation of 1,3-butadiene in the presence of a catalyst wherein tungsten metal is used as a reducing agent gives especially desirable high yields to maleic anhydride.
REFERENCES:
patent: 3435069 (1969-03-01), Bethell et al.
patent: 3773692 (1973-11-01), Hensel et al.
patent: 3966802 (1976-06-01), Takenaka et al.
patent: 3984353 (1976-10-01), Sergunkin et al.
patent: 4014925 (1977-03-01), Ferlazzo et al.
patent: 4021427 (1977-05-01), Dolhyj et al.
Dolhyj Serge R.
Milberger Ernest C.
Evans Larry W.
Hill Gwenetta Douglas
Knudsen Herbert D.
Langel Wayne A.
The Standard Oil Company
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