Granted Patent
Utility
US 4,381,257 · App. 06/301,069
Nonacidic multimetallic catalytic composite for hydrocarbon dehydrogenation
Inventor:
George J. Antos
Patented Case
View Patent ↗
Granted: Apr 26, 1983
Filed: Sep 11, 1981
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.