Granted Patent
Utility
US 5,968,978 · App. 09/157,589
Biphenylsulfonylcyanamides, process for their preparation, and their use as medicament
Inventors:
Heinz-Werner Kleemann, Jan-Robert Schwark, Sabine Faber, Hans-Jochen Lang, Andreas Weichert, Hans-Willi Jansen
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Sep 21, 1998
Inventors
Heinz-Werner Kleemann
Jan-Robert Schwark
Sabine Faber
Hans-Jochen Lang
Andreas Weichert
Hans-Willi Jansen
Assignee (at issue)
Hoechst Marion Roussel Deutschland 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.