Patents by Inventor Hans-Jürgen Ernst Hess

Hans-Jürgen 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
    Patent number: 7205320
    Abstract: PDE4 inhibition is achieved by novel compounds, e.g., N-substituted aniline and diphenylamine analogs. The compounds of the present invention are of Formula I: wherein R1, R2, R3 and R4 are as defined herein.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: April 17, 2007
    Assignee: Memory Pharmaceuticals Corp.
    Inventors: Richard A. Schumacher, William F. Brubaker, Michael De Vivo, Hans-Jürgen Ernst Hess, Allen Hopper, Ashok Tehim, Ruiping Liu, Axel Unterbeck
  • Phosphodiesterase 4 inhibitors
    Patent number: 6699890
    Abstract: PDE4 inhibition is achieved by novel compounds, e.g., N-substituted aniline and diphenylamine analogs. The compounds of the present invention are of Formula I: wherein R1, R2 , R3 and R4 are as defined herein.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: March 2, 2004
    Assignee: Memory Pharmaceuticals Corp.
    Inventors: Richard A. Schumacher, William F. Brubaker, Michael De Vivo, Hans-Jürgen Ernst Hess, Allen Hopper, Ashok Tehim, Ruiping Liu, Axel Unterbeck