Granted Patent
Utility
US 4,139,570 · App. 05/855,059
Dehydrogenation of naphthene hydrocarbons
Inventor:
George J. Antos
Patented Case
View Patent ↗
Granted: Feb 13, 1979
Filed: Nov 25, 1977
Inventor
George J. Antos
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.