Granted Patent
Utility
US 5,795,466 · App. 08/863,367
Process for improved separation of sulphide minerals or middlings associated with pyrrhotite
Inventors:
Sadan Kelebek, Peter F. Wells, Simon O. Fekete, Michael Burrows, Daniel Suarez
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: May 27, 1997
Inventors
Sadan Kelebek
Peter F. Wells
Simon O. Fekete
Michael Burrows
Daniel Suarez
Assignee (at issue)
Falconbridge Limited
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.