Granted Patent
Utility
US 4,699,724 · App. 06/898,277
Post-coupled mono-succinimide lubricating oil dispersant and viton seal additives
Inventors:
Theodore E. Nalesnik, Nicholas Benfaremo
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Aug 20, 1986
Inventors
Theodore E. Nalesnik
Nicholas Benfaremo
Assignee (at issue)
Texaco 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.