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:
Feb. 25, 1992
Filed:
May. 29, 1991
Applicant:
Inventors:
Marco Foa, Novara, IT;
Fabrizio Forlini, Pavia, IT;
Norberto Gatti, Novara, IT;
Giampiero Borsotti, Novara, IT;
Assignee:
Presidenza del Consiglio dei Ministri, Rome, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 78 ;
Abstract
There is disclosed a process for the preparation of 2-methyl-5-pyrazinoic acid consisting of electrochemically oxidizing a compound having formula: ##STR1## wherein X is --OH, Cl, Br, --O--CO--R, --O--SO.sub.2 --R, in which R is a C.sub.1 -C.sub.5 alkyl radical, optionally substituted with F or Cl, or it is a C.sub.6 -C.sub.12 aryl radical, in an aqueous alkaline medium, at a temperature ranging from 20.degree. C. to 90.degree. C., using anodes coated with nickel oxide-hydroxide.