Granted Patent
Utility
US 5,641,394 · App. 08/417,559
Stabilization of hydrocarbon fluids using metal deactivators
Inventors:
Sherri L. Fisher, Joseph Paul Street
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Apr 6, 1995
Inventors
Sherri L. Fisher
Joseph Paul Street
Assignee (at issue)
Nalco/Exxon Energy Chemicals, L.P.
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.