Granted Patent
Utility
US 5,407,922 · App. 08/056,726
Certain N-substituted-amino-alkane phosphinic acid derivatives having anti-epileptic properties
Inventors:
Christian Marescaux, Raymond Bernasconi, Markus Schmutz, Wolfgang Frostl, Stuart J. Mickel
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: May 3, 1993
Inventors
Christian Marescaux
Raymond Bernasconi
Markus Schmutz
Wolfgang Frostl
Stuart J. Mickel
Assignee (at issue)
Ciba-Geigy
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.