Granted Patent
Utility
US 5,659,060 · App. 08/745,005
Process for making aryl fluorophosphites useful as stabilizers
Inventors:
Michael E. Gelbin, Michael H. Fisch, R. David Peveler
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Nov 7, 1996
Inventors
Michael E. Gelbin
Michael H. Fisch
R. David Peveler
Assignee (at issue)
Witco Corporation
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.