Granted Patent
Utility
US 4,595,673 · App. 06/676,444
Dehydrogenation catalyst compositions and method of their preparation
Inventors:
Tamotsu Imai, Hayim Abrevaya
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Nov 29, 1984
Inventors
Tamotsu Imai
Hayim Abrevaya
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.