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:
Dec. 17, 2019
Filed:
Sep. 13, 2016
Applicant:
Emcure Pharmaceuticals Limited, Pune, IN;
Inventors:
Mukund Gurjar, Pune, IN;
Shashikant Joshi, Pune, IN;
Devising Pardeshi, Pune, IN;
Mangesh Kamble, Pune, IN;
Lakindrasing Girase, Pune, IN;
Samit Mehta, Pune, IN;
Assignee:
Other;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/50 (2006.01);
U.S. Cl.
CPC ...
C07C 209/50 (2013.01);
Abstract
The present invention provides a process for preparation of trientine dihydrochloride (1) comprising reaction of protected triethylene tetramine with hydrochloric acid in an aqueous system to yield the dihydrochloride salt wherein the formation of inorganic impurities and undesired salts is controlled significantly.