Patents by Inventor Siegfried Christensen, IV

Siegfried Christensen, IV 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).

  • Publication number: 20060160802
    Abstract: Novel PDF inhibitors and novel methods for their use are provided.
    Type: Application
    Filed: July 8, 2004
    Publication date: July 20, 2006
    Inventors: Kelly Aubart, Siegfried Christensen IV, Chaya Duraiswami, Joseph Karpinski
  • Patent number: 5710180
    Abstract: Substituted phenethylamines of formula (I) useful for treating phosphodiesterase IV related ##STR1## disease states are disclosed herein.
    Type: Grant
    Filed: February 16, 1996
    Date of Patent: January 20, 1998
    Assignee: SmithKline Beecham Corporation
    Inventors: Siegfried Christensen, IV, Cornelia Jutta Forster