Granted Patent
Utility
US 4,661,256 · App. 06/791,646
Process for the removal of hydrocarbonaceous compounds from an aqueous stream and hydrogenating these compounds
Inventor:
Russell W. Johnson
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Oct 28, 1985
Inventor
Russell W. Johnson
Assignee (at issue)
UOP LLC
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.