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. 09, 2019
Filed:
Nov. 02, 2016
Applicant:
Qilu Pharmaceutical Co., Ltd., Jinan, Shandong, CN;
Inventors:
Haiying He, Shanghai, CN;
Kai Zhou, Shanghai, CN;
Xiaolin Li, Shanghai, CN;
Xiaofei Wang, Shanghai, CN;
Dakun Qin, Shanghai, CN;
Xingxing Wang, Shanghai, CN;
Feifei Yang, Shanghai, CN;
Zheng Wang, Shanghai, CN;
Zongbin Li, Shanghai, CN;
Assignee:
QILU PHARMACEUTICAL CO., LTD., Shandong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61P 31/20 (2006.01); C07C 269/06 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61P 31/20 (2018.01); C07C 269/06 (2013.01); C07B 2200/13 (2013.01);
Abstract
Disclosed in the present disclosure are a crystal form of a dihydropyrido ring compound, and preparation method and intermediate thereof.