Granted Patent
Utility
US 4,719,007 · App. 06/924,953
Process for hydrotreating a hydrocarbonaceous charge stock
Inventors:
Russell W. Johnson, Walter F. Hribik, Lee Hilfman
Patented Case
View Patent ↗
Granted: Jan 12, 1988
Filed: Oct 30, 1986
Inventors
Russell W. Johnson
Walter F. Hribik
Lee Hilfman
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.