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:
Aug. 20, 2013
Filed:
May. 03, 2012
Applicants:
Peng Cho Tang, Shanghai, CN;
Fanglong Yang, Shanghai, CN;
Jiang Fan, Shanghai, CN;
HU Feng, Shanghai, CN;
Yang Wang, Shanghai, CN;
Tao Yang, Shanghai, CN;
Inventors:
Peng Cho Tang, Shanghai, CN;
Fanglong Yang, Shanghai, CN;
Jiang Fan, Shanghai, CN;
Hu Feng, Shanghai, CN;
Yang Wang, Shanghai, CN;
Tao Yang, Shanghai, CN;
Assignee:
Jiangsu Hengrui Medicine Co., Ltd., Jiangsu, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Tetrahydro-imidazo[1,5-a]pyrazine derivatives of formula (I), their preparation methods, pharmaceutical compositions containing the derivatives and uses thereof as medicaments, especially as dipeptidyl peptidase IV inhibitors, wherein the substituents of formula (I) are defined as same as the description.