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:
Apr. 12, 2016
Filed:
Jul. 15, 2011
Applicant:
Zhiguo Zheng, Taizhou, CN;
Inventor:
Zhiguo Zheng, Taizhou, CN;
Assignee:
Zhejiang Ausun Pharmaceutical Co., Ltd, Zhejiang, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 473/02 (2006.01); C07D 473/18 (2006.01); C07C 41/26 (2006.01); C07C 67/29 (2006.01); C07C 67/293 (2006.01); C07C 69/76 (2006.01); C07C 69/78 (2006.01); C07F 7/18 (2006.01); C07D 473/40 (2006.01); C07C 41/18 (2006.01); C07D 319/08 (2006.01); C07D 309/12 (2006.01);
U.S. Cl.
CPC ...
C07D 473/18 (2013.01); C07C 41/18 (2013.01); C07C 41/26 (2013.01); C07C 67/29 (2013.01); C07C 67/293 (2013.01); C07C 69/76 (2013.01); C07C 69/78 (2013.01); C07D 309/12 (2013.01); C07D 319/08 (2013.01); C07D 473/40 (2013.01); C07F 7/184 (2013.01); C07F 7/1824 (2013.01); C07F 7/1892 (2013.01); C07C 2101/08 (2013.01);
Abstract
The present invention relates to a preparation method for a medicine and an intermediate compound thereof, specifically, relates to a preparation method for entecavir, an intermediate compound thereof, and a synthesis method for the intermediate compound.
Zheng, Zhiguo. (2016). Entecavir synthesis method and intermediate compound thereof (U.S. Patent No. 9309249). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9309249
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile