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:
Mar. 31, 2026
Filed:
Apr. 01, 2021
Applicant:
Beijing Junke Huayuan Med Tech Co., Ltd., Beijing, CN;
Inventors:
Assignee:
BEIJING JUNKE HUAYUAN MED TECH CO., LTD., Beijing, CN;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/522 (2006.01); A61K 9/00 (2006.01); A61K 9/20 (2006.01); C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61K 9/0056 (2013.01); A61K 9/20 (2013.01);
Abstract
An entecavir monophosphate alaninamide phenolic ester derivative is represented by formula II. It has non-toxic pharmaceutically acceptable salts. In formula II, X is H, halogen, R or —OR, and R is a Calkyl or a substituted Calkyl. The entecavir monophosphate alaninamide phenolic ester derivative or the non-toxic pharmaceutically acceptable salt thereof can be used in the preparation of a drug for resisting the hepatitis B virus.