Granted Patent
Utility
US 5,288,912 · App. 08/017,662
Process for the preparation of lithium diarylphosphides and alkylated derivatives thereof
Inventor:
Thomas J. Devon
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Feb 12, 1993
Inventor
Thomas J. Devon
Assignee (at issue)
EASTMAN KODAK COMPANY
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.