Granted Patent
Utility
US 4,331,677 · App. 06/095,790
7-Oxo-4-1-aza-bicyclo-[3,2,0]-heptane derivatives
Inventors:
Maurizio Foglio, Giovanni Franceschi, Cosimo Scarafile, Federico Arcamone
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Nov 19, 1979
Inventors
Maurizio Foglio
Giovanni Franceschi
Cosimo Scarafile
Federico Arcamone
Assignee (at issue)
Farmitalia Carlo Erba S.p.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.