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. 22, 2022
Filed:
Aug. 12, 2020
Applicant:
Cadila Healthcare Limited, Gujarat, IN;
Inventors:
Kumar Kamlesh Singh, Gujarat, IN;
Jitendra Maganbhai Gajera, Gujarat, IN;
Sumer Singh Chundavat, Gujarat, IN;
Dipak Ambalal Patel, Gujarat, IN;
Assignee:
CADILA HEALTHCARE LIMITED, Ahmedabad, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/06 (2006.01); A61K 31/64 (2006.01); C07D 213/76 (2006.01);
U.S. Cl.
CPC ...
C07D 471/06 (2013.01); A61K 31/64 (2013.01); C07D 213/76 (2013.01);
Abstract
The invention relates to process for the preparation of grapiprant and its intermediates thereof. The invention also relates to grapiprant having a purity 98% or more and compounds of Formula (A), (B), (C) and (D) in an amount of 0.5 or less, relative to grapiprant, by area percentage of HPLC. The invention also relates to an amorphous form of grapiprant and process for preparation thereof.