Granted Patent
Utility
US 4,399,098 · App. 06/303,964
Prevention of corrosion in aqueous solutions
Inventor:
Dionisio G. Cuisia
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Sep 21, 1981
Inventor
Dionisio G. Cuisia
Assignee (at issue)
Dearborn Chemical Company Limited
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.