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:
May. 31, 2022
Filed:
Jul. 03, 2019
Applicants:
Cstone Pharmaceuticals (Suzhou) Co., Ltd., Jiangsu, CN;
Cstone Pharmaceuticals (Shanghai) Co., Ltd., Shanghai, CN;
Cstone Pharmaceuticals, Grand Cayman, KY;
Inventors:
Qiang Guo, Shanghai, CN;
Changqing Wei, Shanghai, CN;
Yao Xiao, Shanghai, CN;
Lili Fan, Shanghai, CN;
Wenyuan Qian, Shanghai, CN;
Assignees:
CSTONE PHARMACEUTICALS (SUZHOU) CO., LTD., Jiangsu, CN;
CSTONE PHARMACEUTICALS (SHANGHAI) CO., LTD., Shanghai, CN;
CSTONE PHARMACEUTICALS, Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 405/04 (2006.01);
U.S. Cl.
CPC ...
C07D 405/04 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed in the present invention are a polymorph A of a compound represented by formula (I), and an application thereof in preparation of drugs for treating HDAC6-associated diseases.