Granted Patent
Utility
US 6,790,971 · App. 08/442,957
19-Nor-steroids
Inventors:
Andre Claussner, Lucien Nedelec, Daniel Philibert, Patrick Van De Velde, Francois Nique, Jean-Georges Teutsch
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: May 17, 1995
Inventors
Andre Claussner
Lucien Nedelec
Daniel Philibert
Patrick Van De Velde
Francois Nique
Jean-Georges Teutsch
Assignee (at issue)
AVENTIS PHARMA S.A.
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.