Granted Patent
Utility
US 5,364,532 · App. 08/025,348
Method of removing water soluble organics from oil process water
Inventors:
Thomas J. Bellos, Gregory P. Noelken
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Mar 2, 1993
Inventors
Thomas J. Bellos
Gregory P. Noelken
Assignee (at issue)
Petrolite Corporation
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.