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:
Jul. 13, 2021
Filed:
Jun. 06, 2017
Applicant:
Jiangsu Hengrui Medicine Co., Ltd., Jiangsu, CN;
Inventors:
Assignee:
Jiangsu Hengrui Medicine Co., Ltd., Jiangsu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/14 (2006.01); A61P 9/12 (2006.01); A61P 9/04 (2006.01);
U.S. Cl.
CPC ...
C07D 405/14 (2013.01); A61P 9/04 (2018.01); A61P 9/12 (2018.01);
Abstract
A pharmaceutically acceptable salt as a renal outer medullary potassium channel (ROMK) inhibitor, specifically an L-tartrate and a crystal form I and crystal form II thereof, is described. The pharmaceutically acceptable salt of the ROMK inhibitor, specifically the L-tartrate, has improved bioavailability and stability.