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:
Feb. 01, 2022
Filed:
Dec. 08, 2018
Msn Laboratories Private Limited, R&d Center, Telangana, IN;
Thirumalai Rajan Srinivasan, Hyderabad, IN;
Thirumalai Rajan Srinivasan, Hyderabad, IN;
Eswaraiah Sajja, Hyderabad, IN;
Venkata Panakala Rao Gogulapati, Hyderabad, IN;
Rajeshwar Reddy Sagyam, Hyderabad, IN;
Pavan Kumar Reddy Bandla, Hyderabad, IN;
Srinivasulu Rangineni, Hyderabad, IN;
MSN LABORATORIES PRIVATE LIMITED, R&D CENTER, Telangana, IN;
Abstract
The present invention relates to novel polymorphs of 4-[3-chloro-4-(N'-cyclopropyl ureido) phenoxy]-7-methoxyquinoline-6-carboxamide methanesulfonate represented by following structural formula-1a and process for preparation thereof. Further, the present invention relates to an improved process for the preparation of 4-[3-chloro-4-(N′-cyclopropylureido) phenoxy]-7-methoxyquinoline-6-carboxamide compound of formula-1 or its salts and its intermediates thereof.