Granted Patent
Utility
US 6,512,150 · App. 09/618,116
Process for purifying pentafluoroethane from chloropentafluoroethane
Inventors:
Paolo Cuzzato, Sergio Peron
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Jul 17, 2000
Inventors
Paolo Cuzzato
Sergio Peron
Assignee (at issue)
Ausimont 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.