Granted Patent
Utility
US 4,861,870 · App. 07/009,550
Process for purifying anthracyclinone glycosides by selective adsorption on resins
Inventors:
Ernesto Oppico, Carlo Varesio, Onorino G. Rosa
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Feb 2, 1987
Inventors
Ernesto Oppico
Carlo Varesio
Onorino G. Rosa
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.