Granted Patent
Utility
US 4,440,629 · App. 06/417,320
Hydrocarbon hydrocracking process
Inventor:
Laurence O. Stine
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Sep 13, 1982
Inventor
Laurence O. Stine
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.