Patents by Inventor Nign Chen

Nign Chen 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).

  • Phosphodiesterase 10 inhibitors
    Publication number: 20070265256
    Abstract: The present invention is directed to certain cinnoline compounds that are PDE10 inhibitors, pharmaceutical compositions containing such compounds and process for preparing such compounds. This invention is also directed to methods of treating diseases treatable by inhibition of PDE10 enzyme, such as obesity, non-insulin dependent diabetes, schizophrenia, bipolar disorder, obsessive-compulsive disorder, and the like.
    Type: Application
    Filed: February 20, 2007
    Publication date: November 15, 2007
    Inventors: Mark Arrington, Ruiping Liu, Allen Hopper, Richard Conticello, Truc Nguyen, Carla Gauss, Roland Burli, Stephen Hitchcock, Essa Hu, Roxanne Kunz, Thomas Nixey, Shannon Rumfelt, Nign Chen