Granted Patent
Utility
US 4,551,574 · App. 06/640,288
Indium-containing dehydrogenation catalyst
Inventors:
Tamotsu Imai, Chi-Wen Hung
Patented Case
View Patent ↗
Granted: Nov 5, 1985
Filed: Aug 13, 1984
Inventors
Tamotsu Imai
Chi-Wen Hung
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.