Granted Patent
Utility
US 5,015,745 · App. 07/306,559
Process for the preparation of 4-demethoxydaunomycinone, the aglycone of 4-demethoxy-daunorubicin
Inventors:
Silvia De Bernardinis, Walter Cabri, Tiziano Martinengo, Franco Francalanci
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Feb 6, 1989
Inventors
Silvia De Bernardinis
Walter Cabri
Tiziano Martinengo
Franco Francalanci
Assignee (at issue)
Farmitalia Carlo Erba S.r.l.
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.