Granted Patent
Utility
US 4,520,122 · App. 06/558,398
Immobilization of organic species on refractory inorganic oxides
Inventor:
Blaise J. Arena
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Dec 5, 1983
Inventor
Blaise J. Arena
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.