Granted Patent
Utility
US 4,471,619 · App. 06/410,661
Fractionation process with power generation by depressurizing the overhead vapor stream
Inventor:
John P. Nolley, Jr.
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Aug 23, 1982
Inventor
John P. Nolley, Jr.
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.