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. 02, 2020
Filed:
Nov. 30, 2016
Applicant:
Laurus Labs Ltd., Hyderabad, IN;
Inventors:
Srivardhana Rao Jamjanam, Hyderabad, IN;
Venkata Ramakrishna Murthy Moturu, Hyderabad, IN;
Venkata Sunil Kumar Indukuri, Hyderabad, IN;
Srihari Raju Kalidindi, Hyderabad, IN;
Satyanarayana Chava, Hyderabad, IN;
Assignee:
Laurus Labs Limited, Hyderabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/12 (2006.01);
U.S. Cl.
CPC ...
C07D 403/12 (2013.01);
Abstract
The present invention relates to an improved process for the preparation of macitentan and pharmaceutical acceptable salts thereof. Further present invention also relates to methylene chloride solvate of macitentan and their use in the preparation of pure macitentan.