Patents by Inventor Kevin K. -C. Liu

Kevin K. -C. Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cyclopentapyridine and tetrahydroquinoline derivatives
    Patent number: 7507732
    Abstract: 6,7-Dihydro-5H-cyclopenta[b]pyridine and 5,6,7,8-tetrahydroquinoline compounds of Formula (I), including salts, hydrates and solvates thereof, that act as 5-HT2 receptor ligands and their uses in the treatment of diseases linked to the activation of 5-HT2c receptors are described herein.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: March 24, 2009
    Assignee: Pfizer Inc.
    Inventors: Bruce A. Lefker, Kevin K. -C. Liu, Hou Chen, Steven Blair Coffey