Granted Patent
Utility
US 5,925,550 · App. 08/993,729
Method for selectively increasing the ratio of single major components of antibiotic A/16686 complex
Inventors:
Giancarlo Lancini, Angelo Borghi, Piero Antonini
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Dec 18, 1997
Inventors
Giancarlo Lancini
Angelo Borghi
Piero Antonini
Assignee (at issue)
Biosearch Italia 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.