Granted Patent
Utility
US 5,420,296 · App. 08/066,583
Ureido derivatives of poly-4-amino-2-carboxy-1-methyl compounds
Inventors:
Nicola Mongelli, Giovanni Biasoli, Alfredo Paio, Maria Grandi, Marina Ciomei
Patented Case
View Patent ↗
Granted: May 30, 1995
Filed: May 25, 1993
Inventors
Nicola Mongelli
Giovanni Biasoli
Alfredo Paio
Maria Grandi
Marina Ciomei
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.