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:
Jan. 19, 2021
Filed:
Aug. 26, 2016
Applicant:
Dong-a St Co., Ltd., Seoul, KR;
Inventors:
Woo Young Kwak, Seoul, KR;
Chang-Yong Shin, Seoul, KR;
Punna Reddy Ullapu, Seoul, KR;
Sun-Ho Choi, Seoul, KR;
Min-Jung Lee, Seoul, KR;
Ji-Su Kim, Seoul, KR;
Assignee:
Dong-A St Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 207/09 (2006.01); A61K 31/40 (2006.01); C07D 207/08 (2006.01);
U.S. Cl.
CPC ...
C07D 207/09 (2013.01); A61K 31/40 (2013.01); C07D 207/08 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3'-chloro-4′-fluoro-[1,1′-biphenyl]-2-yl)carbamate and a crystal form thereof. Also, the novel salt of (R)-(1-methylpyrrolidine-3-yl)methyl(3′-chloro-4′-fluoro-[1,1′-biphenyl]-2-yl)carbamate and the crystal form thereof according to examples of the present invention have remarkably excellent stability, hygroscopicity and solubility.