Granted Patent
Utility
US 6,805,242 · App. 10/026,223
Method of reducing phosphate ore losses in a desliming process
Inventor:
Francisco J. Sotillo
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Dec 19, 2001
Inventor
Francisco J. Sotillo
Assignee (at issue)
Arr-Maz Products, L.P.
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.