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:
Jun. 13, 2017
Filed:
Apr. 04, 2014
Applicants:
Herakles, Le Haillan, FR;
Eurenco, Massy, FR;
Inventors:
Grégoire Herve, Sarzeau, FR;
Guy Jacob, Vert le Petit, FR;
Guy Cagnon, Ballancourt sur Essonne, FR;
Jean-Marc Bouchez, Ballancourt sur Essonne, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 249/12 (2006.01); C07D 249/14 (2006.01);
U.S. Cl.
CPC ...
C07D 249/12 (2013.01); C07D 249/14 (2013.01);
Abstract
A method for obtaining solutions that contain 1,2,4-triazole-5-one (OTA) in concentrated sulphuric acid, includes using 3-amino-1,2,4-triazole (ATA) as a precursor of OTA. There is also provided a method for preparing 3-nitro-1,2,4-triazole-5-one (4) (ONTA) from the solutions.