Granted Patent
Utility
US 5,574,069 · App. 08/393,027
Substituted benzenesulfonylureas and -thioureas- process for their preparation and their use as pharmaceuticals
Inventors:
Heinrich Englert, Dieter Mania, Jens Hartung, Heinz Gogelein, Joachim Kaiser, Wolfgang Linz, David G. Wettlaufer
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Feb 23, 1995
Inventors
Heinrich Englert
Dieter Mania
Jens Hartung
Heinz Gogelein
Joachim Kaiser
Wolfgang Linz
David G. Wettlaufer
Assignee (at issue)
Hoechst GmbH
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.