Granted Patent
Utility
US 5,411,971 · App. 07/877,734
N-alkylenepiperidino compounds, their enantiomers and pharmaceutical compositions
Inventors:
Xavier Edmonds-Alt, Serge Martinez, Vincenzo Proietto, Didier Van Broeck
Patented Case
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Granted: May 2, 1995
Filed: May 4, 1992
Inventors
Xavier Edmonds-Alt
Serge Martinez
Vincenzo Proietto
Didier Van Broeck
Assignee (at issue)
Societe Anonyme: Elf Sanofi
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.