Granted Patent
Utility
US 5,250,518 · App. 07/731,781
O-methyl derivatives of azithromycin A
Inventors:
Gabrijela Kobrehel, Slobodan Djokic, Gorjana Lazarevski
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jul 18, 1991
Inventors
Gabrijela Kobrehel
Slobodan Djokic
Gorjana Lazarevski
Assignee (at issue)
Pliva Farmaceutska, Kemijska, Prehrambena I Kozmeticka
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.