Granted Patent
Utility
US 4,140,622 · App. 05/848,058
Process to reduce the benzene content of gasoline
Inventors:
Richard C. Herout, Kenneth D. Uitti
Patented Case
View Patent ↗
Granted: Feb 20, 1979
Filed: Nov 3, 1977
Inventors
Richard C. Herout
Kenneth D. Uitti
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.