Granted Patent
Utility
US 4,656,304 · App. 06/614,150
Aspartame synthesis
Inventors:
Ernesto Oppici, Franco Dallatomasina, Pietro Giardino
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: May 25, 1984
Inventors
Ernesto Oppici
Franco Dallatomasina
Pietro Giardino
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.