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:
Sep. 04, 2012
Filed:
Apr. 30, 2010
Applicants:
LI Chen, Shanghai, CN;
Lichun Feng, Shanghai, CN;
Yongguo LI, Shanghai, CN;
Guolong Wu, Shanghai, CN;
Inventors:
Li Chen, Shanghai, CN;
Lichun Feng, Shanghai, CN;
Yongguo Li, Shanghai, CN;
Guolong Wu, Shanghai, CN;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/47 (2006.01); C07D 491/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides novel compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein Rto Rare as described herein, compositions including the compounds and methods of preparing and using the compounds.