Granted Patent
Utility
US 4,464,367 · App. 06/245,328
Cephalosporin derivatives, process for preparation thereof and drugs containing said derivatives usable as antibiotics
Inventors:
Bernard Labeeuw, Ali Salhi
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Mar 19, 1981
Inventors
Bernard Labeeuw
Ali Salhi
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.