Granted Patent
Utility
US 4,425,221 · App. 06/491,882
Hydrocarbon desulfurization process with a catalyst of Co-Mo-P
Inventor:
William S. Millman
Patented Case
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Granted: Jan 10, 1984
Filed: May 5, 1983
Inventor
William S. Millman
Assignee (at issue)
Union Oil Company of California
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.