Granted Patent
Utility
US 4,923,592 · App. 07/279,780
Nickel-containing hydrocracking catalyst and process
Inventor:
Suheil F. Abdo
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Dec 5, 1988
Inventor
Suheil F. Abdo
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.