Granted Patent
Utility
US 5,030,779 · App. 07/574,177
Hydrogenation catalyst and hydrogenation process wherein said catalyst is used
Inventors:
Ronald J. Hoxmeier, Lynn H. Slaugh
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: Aug 29, 1990
Inventors
Ronald J. Hoxmeier
Lynn H. Slaugh
Assignee (at issue)
SHELL OIL 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.