C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
252/69, 260/482.
C07C 57/04 (2006.01) B01J 27/18 (2006.01) B01J 27/185 (2006.01) C07C 51/377 (2006.01) C07C 69/653 (2006.01)
Patent
CA 1162936
ABSTRACT OF THE DISCLOSURE Isobutyric acid or a functional equivalent; e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding .alpha.,.beta.-ethylenically unsaturated derivative by contact with a heterogeneous catalyst in the presence of molecular oxygen. The catalyst is composed of calcined phosphates of iron containing silver, cobalt, lanthanium or tellurium as a modifier or dopant component.
387725
Brusky Phyllis L.
Daniel Chelliah
Ashland Oil Inc.
Gowling Lafleur Henderson Llp
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