Granted Patent
Utility
US 4,469,644 · App. 06/427,409
Process for the production of triaryl phosphates
Inventor:
Eugene P. DiBella
Patented Case
View Patent ↗
Granted: Sep 4, 1984
Filed: Sep 29, 1982
Inventor
Eugene P. DiBella
Assignee (at issue)
Borg-Warner Chemicals, Inc.
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.