Granted Patent
Utility
US 4,393,259 · App. 06/290,031
Process for conversion of propane or butane to gasoline
Inventors:
Dennis J. Ward, Bipin V. Vora
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Aug 5, 1981
Inventors
Dennis J. Ward
Bipin V. Vora
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.