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. 22, 2018
Filed:
Sep. 02, 2015
Applicant:
Cspc Zhongqi Pharmaceutical Technology (Shijiazhuang) Co., Ltd., Shijiazhuang, CN;
Inventors:
Ying Shi, Shijiazhuang, CN;
Qingzhi Gao, Shijiazhuang, CN;
Yi Mi, Shijiazhuang, CN;
Xuliang Wang, Shijiazhuang, CN;
Assignee:
CSPC ZHONGQI PHARMACEUTICAL TECHNOLOGY (SHIJIAZHUANG) CO., LTD., Shijiazhuang, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 401/14 (2006.01); A61K 31/437 (2006.01); C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01);
Abstract
Disclosed are a compound of formula (I), a tautomer, an optical isomer or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition containing the above-mentioned compounds. The above-mentioned compounds have the activity of inhibiting Xa factor positive effect, and can be used for the preparation of a medicament for preventing and/or treating diseases inhibiting Xa factor positive effect in case of low bleeding risk.