Granted Patent
Utility
US 4,595,749 · App. 06/673,978
Direct removal of NI catalysts
Inventor:
Ronald J. Hoxmeier
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Nov 23, 1984
Inventor
Ronald J. Hoxmeier
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.