The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 1983
Filed:
Apr. 09, 1982
Alain Schouteeten, Ezanville, FR;
Yani Christidis, Paris, FR;
Abstract
The invention relates to obtaining aromatic nitriles of general formula: (R).sub.n --C.sub.6 H.sub.4 --CN, where n=1, 2 or 3, and the rest R, identical or different represent an atom of hydrogen, chlorine or bromine or an alkyl, aryl, alkoxy, alkylamino, hydroxy or amino group, by a process comprising decarboxylating ammoxidation reaction, in an alkaline aqueous medium, at a pH higher than, or equal to, 13, in the presence of a catalyst based on one or several transition metals and an alkaline hydroxide, applied to an arylglyoxylic acid free or salified, of the formula: (R).sub.n --C.sub.6 H.sub.4 --CO--COOH (where n and R have the above-mentioned meanings), or to one of its functional derivatives of the lactone, lactame or C.sub.1 -C.sub.3 -alkyl ester type.