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. 05, 2019
Filed:
Dec. 12, 2016
Applicant:
Sichuan Haisco Pharmaceutical Co., Ltd., Chengdu, Sichuan, CN;
Inventors:
Chen Zhang, Chengdu, CN;
Jianmin Wang, Chengdu, CN;
Assignee:
Sichuan Haisco Pharmaceutical Co., Ltd., Sichuan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61K 31/4162 (2006.01); A61P 3/10 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); A61P 3/10 (2018.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a crystal form of a substituted aminopyran compound, and a pharmaceutical composition, a preparation method and a use thereof in the preparation of a drug for treating type II diabetes. In particular, the present invention relates to a crystal form IV of a compound as shown by formula (I) and a pharmaceutical composition, a preparation method and a use thereof in the preparation of a drug for treating type II diabetes.