Granted Patent
Utility
US 5,811,444 · App. 08/776,953
Compositions for reducing abnormal stimulation of endothelin receptors and novel compounds
Inventors:
Bertrand Heckmann, Jean-Paul Vevert, Jidong Zhang
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jan 31, 1997
Inventors
Bertrand Heckmann
Jean-Paul Vevert
Jidong Zhang
Assignee (at issue)
Roussel Uclaf
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.