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. 18, 2021
Filed:
Mar. 09, 2018
Applicant:
Fujian Cosunter Pharmaceutical Co., Ltd., Ningde, CN;
Inventors:
Fei Sun, Shanghai, CN;
Jinhua Du, Shanghai, CN;
Yanbin Hu, Shanghai, CN;
Lili Zhou, Shanghai, CN;
Charles Z. Ding, Shanghai, CN;
Shuhhui Chen, Shanghai, CN;
Assignee:
FUJIAN COSUNTER PHARMACEUTICAL CO., LTD., Fujian, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/052 (2006.01); A61P 31/20 (2006.01);
U.S. Cl.
CPC ...
C07D 491/052 (2013.01); A61P 31/20 (2018.01);
Abstract
10-oxo-6,1-dihydrobenzo[e]pyrido[1,2-c][1,3]oxazine-9-carboxylic acid derivatives of formula (I) as hepatitis B surface antigen inhibitors or pharmaceutically acceptable salts thereof, and uses of a compound of formula (I) or pharmaceutically acceptable salts thereof and pharmaceutical compositions thereof in preparation of medicaments for treatment of viral hepatitis B.