Granted Patent
Utility
US 4,370,281 · App. 06/306,934
Triaryl phosphates
Inventors:
Brian G. Clubley, Thomas G. Hyde, John F. E. Keenan
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: Sep 29, 1981
Inventors
Brian G. Clubley
Thomas G. Hyde
John F. E. Keenan
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.