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:
Dec. 25, 2012
Filed:
Dec. 05, 2003
Applicants:
Shiping Xu, Beijing, CN;
Xiaoguang Chen, Beijing, CN;
Song Xu, Beijing, CN;
Lanmin LI, Parla Madrid, ES;
Longfei Xie, Parla Madrid, ES;
Hongyan LI, Parla Madrid, ES;
Yan LI, Beijing, CN;
Guifang Cheng, Beijing, CN;
Inventors:
Shiping Xu, Beijing, CN;
Xiaoguang Chen, Beijing, CN;
Song Xu, Beijing, CN;
Lanmin Li, Parla Madrid, ES;
Longfei Xie, Parla Madrid, ES;
Hongyan Li, Parla Madrid, ES;
Yan Li, Beijing, CN;
Guifang Cheng, Beijing, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/585 (2006.01); C07D 311/00 (2006.01); C07D 311/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to novel coumarin derivatives, their carboxamides, pharmaceutical compositions containing them and their uses as drugs for kidney protection, treating drugs of hypertension, cardio-cerebrovascular diseases, non-insulin dependent diabetes, tumor, pre-cancerous lesion, and edemas.