Granted Patent
Utility
US 5,198,482 · App. 07/718,073
Corrosion-inhibiting coating compositions
Inventors:
Emyr Phillips, Adalbert Braig
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Jun 20, 1991
Inventors
Emyr Phillips
Adalbert Braig
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.