Granted Patent
Utility
US 3,948,804 · App. 05/423,606
Superactive acidic bimetallic catalytic composite and use thereof in conversion of hydrocarbons
Inventor:
Richard E. Rausch
Patented Case
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Granted: Apr 6, 1976
Filed: Dec 10, 1973
Inventor
Richard E. Rausch
Assignee (at issue)
Universal Oil Products Company
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.