Granted Patent
Utility
US 4,996,213 · App. 07/362,104
Derivatives of 4-amino 3-carboxy naphthyridines and their pharmaceutical compositions
Inventors:
Etienne Mendes, Jean-Claude Vernieres, Jacques Simiaud, Peter Keane
Patented Case
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Granted: Feb 26, 1991
Filed: Jun 6, 1989
Inventors
Etienne Mendes
Jean-Claude Vernieres
Jacques Simiaud
Peter Keane
Assignee (at issue)
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.