Granted Patent
Utility
US 5,424,328 · App. 08/144,514
Phenyl-imidazolidinone derivatives
Inventors:
Mario Varasi, Franco Heidempergher, Carla Caccia, Claudio Arrigoni
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Nov 2, 1993
Inventors
Mario Varasi
Franco Heidempergher
Carla Caccia
Claudio Arrigoni
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.