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:
Nov. 08, 2016
Filed:
Mar. 11, 2013
Applicant:
Xenon Pharmaceuticals Inc., Burnaby, CA;
Inventors:
Shaoyi Sun, Coquitlam, CA;
Jianmin Fu, Coquitlam, CA;
Sultan Chowdhury, Surrey, CA;
Ivan William Hemeon, Surrey, CA;
Michael Edward Grimwood, North Vancouver, CA;
Tarek Suhayl Mansour, New City, NY (US);
Assignee:
Xenon Pharmaceuticals Inc., Burnaby, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/20 (2006.01); C07D 209/34 (2006.01); C07D 405/10 (2006.01); C07D 491/107 (2006.01);
U.S. Cl.
CPC ...
C07D 491/20 (2013.01); C07D 209/34 (2013.01); C07D 405/10 (2013.01); C07D 491/107 (2013.01);
Abstract
This invention is directed to asymmetric syntheses of certain spiro-oxindole derivatives, which are useful for the treatment and/or prevention of sodium channel-mediated diseases or conditions, such as pain.