Process for the preparation of a catalyst for use in the oxidation in the vapour phase of unsaturated aldehydes to the corresponding acids
CA 1089432 A · Owner: Montedison S.P.A. · Inventors: Leofanti, Giuseppe; Pignataro, Francesco; Battiston, Giancarlo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Unsaturated carboxylic acids are prepared by the vapour phase oxidation of unsaturated aldehydes using a catalyst having the empirical formula, Mo12VaWbCocOd in which a is 1.5 - 3.0, b is 0.05 - 0.3 c is 3.5 - 5.5 and, d is a number taken to satisfy the valencies of the other elements, the catalyst having been obtained by coprecipitation from an aqueous solution of soluble salts of molybdenum vanadium, cobalt and tungsten.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 1997.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.