Patents by Inventor Hans-Juregen Ernst Hess

Hans-Juregen Ernst Hess 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 4 INHIBITORS
    Publication number: 20100004236
    Abstract: PDE4 inhibition is achieved by novel compounds of the Formula I: wherein R1 and R2 are as defined herein.
    Type: Application
    Filed: February 26, 2009
    Publication date: January 7, 2010
    Inventors: Ashok Tehim, Allen T. Hopper, Ruiping Liu, Hans-Juregen Ernst Hess, Yajing Rong