Granted Patent
Utility
US 4,751,187 · App. 06/723,598
Chromatographic method for determining fouling tendency of liquid hydrocarbons
Inventor:
Ghazi B. Dickakian
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Apr 15, 1985
Inventor
Ghazi B. Dickakian
Assignee (at issue)
Exxon Chemical Patents, Inc.
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.