Granted Patent
Utility
US 4,849,093 · App. 07/009,808
Catalytic aromatic saturation of hydrocarbons
Inventors:
Dennis A. Vauk, Milan Skripek
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Feb 2, 1987
Inventors
Dennis A. Vauk
Milan Skripek
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.