C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/520.8
C07C 57/04 (2006.01) B01J 27/19 (2006.01) C07C 51/377 (2006.01)
Patent
CA 1208238
Abstract A novel method of converting alkanoic acids, such as isobutyric acid, to alpha-beta unsaturated acids, such as meth- acrylic acid, is disclosed which exhibits a higher degree of selectivity than those vapor phase oxydehydration methods hereto- fore known to the art. The preferred method comprises contacting a Dawson structure phosphomolybdic acid catalyst with isobutyric acid under specified reaction conditions to achieve a high selec- tivity for methacrylic acid.
401619
Beals Eva M.
Shum Wilfred P.
White John F.
Atlantic Richfield Company
Osler Hoskin & Harcourt Llp
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