Granted Patent
Utility
US 4,362,853 · App. 06/310,710
Resinous salts, their preparation, and their use in coatings
Inventor:
Christopher G. Demmer
Patented Case
View Patent ↗
Granted: Dec 7, 1982
Filed: Oct 13, 1981
Inventor
Christopher G. Demmer
Assignee (at issue)
Ciba-Geigy
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.