Granted Patent
Utility
US 4,362,613 · App. 06/243,273
Hydrocracking processes having an enhanced efficiency of hydrogen utilization
Inventor:
Donald L. MacLean
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Mar 13, 1981
Inventor
Donald L. MacLean
Assignee (at issue)
Monsanto 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.