Granted Patent
Utility
US 4,767,543 · App. 06/929,774
Oxidation of wastewaters
Inventors:
Esteban Chornet, Line Jaulin
Patented Case
View Patent ↗
Granted: Aug 30, 1988
Filed: Nov 13, 1986
Inventors
Esteban Chornet
Line Jaulin
Assignee (at issue)
UNIVERSITE DE SHERBROOKE
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.