Granted Patent
Utility
US 4,472,268 · App. 06/458,825
Upgrading of natural gasoline with trifluoromethane sulfonic acid, hydrofluoric acid and Lewis acid catalyst
Inventor:
George A. Olah
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Jan 18, 1983
Inventor
George A. Olah
Assignee (at issue)
El Paso Products Company
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.