Patents by Inventor Leonard Chyall

Leonard Chyall 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).

  • Crystalline forms of tiagabine hydrochloride
    Publication number: 20080064727
    Abstract: The present invention provides 16 new crystalline forms of tiagabine hydrochloride.
    Type: Application
    Filed: August 16, 2007
    Publication date: March 13, 2008
    Applicant: Cephalon, Inc.
    Inventors: Scott Childs, Leonard Chyall, Karen Gushurst, R. Haltiwanger, Robert McKean, Donglai Yang
  • POLYMORPHS OF TARTRATE SALT OF 2-[2-(3-(R)-AMINO-PIPERIDIN-1-YL)-5-FLUORO-6-OXO-6H-PYRIMIDIN-1-YLMETHYL]-BENZONITRILE AND METHODS OF USE THEREFOR
    Publication number: 20070066636
    Abstract: Compositions comprising Compound I, wherein the Compound I is present in one or more polymorphic forms. Also provided are kits and articles of manufacture with compositions comprising one or more polymorphs of Compound I, and methods of using the compositions to treat various diseases.
    Type: Application
    Filed: September 13, 2006
    Publication date: March 22, 2007
    Inventors: Leonard Chyall, Keith Lorimer, Linda McClausland