Granted Patent
Utility
US 5,076,948 · App. 07/485,916
Lubricant composition stabilized with substituted 1,2,4-triazoles
Inventors:
Robert M. O'Neil, Geoffrey Stephen Graham
Patented Case
View Patent ↗
Granted: Dec 31, 1991
Filed: Feb 27, 1990
Inventors
Robert M. O'Neil
Geoffrey Stephen Graham
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.