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:
Oct. 31, 2006
Filed:
Jun. 30, 2003
Applicants:
Jean-erick Ancel, Saint Genis Laval, FR;
Joelle Vidal, Rennes, FR;
Inventors:
Jean-Erick Ancel, Saint Genis Laval, FR;
Joelle Vidal, Rennes, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 319/18 (2006.01); C07C 319/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of compound (III) which comprises the reaction between a compound of general formula (V) and dicyano acetylene (IV), said reaction carried out in the presence of water (IV), (V), (III) wherein R is selected from CF, or Cto Calkyl M is an alkaline or alkaline-earth metal or silver