Granted Patent
Utility
US 6,566,360 · App. 09/943,530
2-phenyl substituted imidatriazinones as phosphodiesterase inhibitors
Inventors:
Ulrich Niewohner, Mazen Es-Sayed, Helmut Haning, Thomas Schenke, Karl-Heinz Schlemmer, Jörg Keldenich, Erwin Bischoff, Elisabeth Perzborn, Klaus Dembowsky, Peter Serno, Marc Nowakowski
Patented Case
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Granted: May 20, 2003
Filed: Aug 30, 2001
Inventors
Ulrich Niewohner
Mazen Es-Sayed
Helmut Haning
Thomas Schenke
Karl-Heinz Schlemmer
Jörg Keldenich
Erwin Bischoff
Elisabeth Perzborn
Klaus Dembowsky
Peter Serno
Marc Nowakowski
Assignee (at issue)
Bayer Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.