Granted Patent
Utility
US 4,568,447 · App. 06/759,812
Process for the removal of trace quantities of hydrocarbonaceous compounds from an aqueous stream
Inventors:
Peter R. Pujado, John G. Sikonia
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jul 29, 1985
Inventors
Peter R. Pujado
John G. Sikonia
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.