Process for the preparation of acrylic acid and methacrylic...

Details Process for the preparation of acrylic acid and methacrylic... Process for the preparation of acrylic acid and methacrylic...

C - Chemistry, Metallurgy

07

C

260/521.1

C07C 57/04 (2006.01) B01J 23/30 (2006.01) B01J 23/34 (2006.01) B01J 23/652 (2006.01) B01J 23/68 (2006.01) B01J 23/88 (2006.01) B01J 27/199 (2006.01) C07C 51/25 (2006.01)

Patent

CA 1065340

PROCESS FOR THE PREPARATION OF ACRYLIC ACID AND METHACRYLIC ACID FROM THE CORRESPONDING ALDEHYDES ABSTRACT OF THE DISCLOSURE Catalysts containing tungsten, phosphorus, vanadium and molybdenum have been round to be especially effective for the oxidation of unsaturated aldehydes to form the corresponding unsaturated acid. These catalysts may optionally contain one or more of tin, antimony, arsenic, copper, cerium, boron, chromium, iron, nickel, cobalt, uranium, manganese, strontium, silver, rubidium, rhodium, cadmium, bismuth, indium, zinc, lanthanum.

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