Granted Patent
Utility
US 4,418,237 · App. 06/380,796
Dehydrogenation of dehydrogenatable hydrocarbons
Inventor:
Tamotsu Imai
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: May 21, 1982
Inventor
Tamotsu Imai
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.