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. 11, 2019
Filed:
Jul. 01, 2010
Applicants:
Carole Coucharriere, Carcen Ponson, FR;
Thierry Aubert, Pau, FR;
Dominique Bonhomme, Capbreton, FR;
Jean-yves Ehlinger, Dax, FR;
Inventors:
Carole Coucharriere, Carcen Ponson, FR;
Thierry Aubert, Pau, FR;
Dominique Bonhomme, Capbreton, FR;
Jean-Yves Ehlinger, Dax, FR;
Assignee:
MLPC INTERNATIONAL, Rion des Landes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 285/125 (2006.01); C07D 417/12 (2006.01);
U.S. Cl.
CPC ...
C07D 285/125 (2013.01);
Abstract
The present invention relates to a process for the preparation of bis(dimercaptothiadiazole) (or bis-DMTD), more particularly of 5,5'-dithiobis(1,3,4-thiadiazole-2-thiol), said process being carried out in a single reactor and making possible a preparation with improved yields which is more respectful of the environment.