Granted Patent
Utility
US 6,777,551 · App. 10/022,954
Process for the preparation of sulphonamide-substituted imidazotriazinones
Inventors:
Marc Nowakowski, Reinhold Gehring, Werner Heilmann, Karl-Heinz Wahl
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Dec 17, 2001
Inventors
Marc Nowakowski
Reinhold Gehring
Werner Heilmann
Karl-Heinz Wahl
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.