Patents by Inventor Marc Nowakowski

Marc Nowakowski 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).

  • 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors
    Publication number: 20040067945
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Application
    Filed: February 12, 2003
    Publication date: April 8, 2004
    Inventors: Ulrich Niewohner, Maria Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jorg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • 2-phenyl substituted imidatriazinones as phosphodiesterase inhibitors
    Patent number: 6566360
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: May 20, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
  • Process for the preparation of sulphonamide-substituted imidazotriazinones
    Publication number: 20020137930
    Abstract: The present invention relates to a process for the preparation of sulphonamide-substituted imidazotriazinones of the general formula (I) 1
    Type: Application
    Filed: December 17, 2001
    Publication date: September 26, 2002
    Inventors: Marc Nowakowski, Reinhold Gehring, Werner Heilmann, Karl-Heinz Wahl
  • 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors
    Patent number: 6362178
    Abstract: The 2-phenyl-substituted imidazotriazinones having short, unbranched alkyl radicals in the 9-position are prepared from the corresponding 2-phenyl-imidazotriazinones by chlorosulphonation and subsequent reaction with the amines. The compounds inhibit cGMP-metabolizing phosphodiesterases and are suitable for use as active compounds in pharmaceuticals, for the treatment of cardiovascular and cerebrovascular disorders and/or disorders of the urogenital system, in particular for the treatment of erectile dysfunction.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: March 26, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewöhner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski