Granted Patent
Utility
US 5,409,711 · App. 07/776,329
Pharmaceutical formulations
Inventors:
Luigi Mapelli, Marco Marconi, Marco Zema
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Dec 11, 1991
Inventors
Luigi Mapelli
Marco Marconi
Marco Zema
Assignee (at issue)
Eurand International 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.