Granted Patent
Utility
US 5,621,095 · App. 08/594,764
Cephalosporins
Inventors:
Jean-Francois Chantot, Solange Gouin d'Ambrieres, Daniel Humbert, Jean-Georges Teutsch
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jan 31, 1996
Inventors
Jean-Francois Chantot
Solange Gouin d'Ambrieres
Daniel Humbert
Jean-Georges Teutsch
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.