Granted Patent
Utility
US 4,429,161 · App. 06/293,145
Process for preparing organic tertiary polyphosphine monooxides
Inventors:
Anthony G. Abatjoglou, Louis A. Kapicak
Patented Case
View Patent ↗
Granted: Jan 31, 1984
Filed: Aug 17, 1981
Inventors
Anthony G. Abatjoglou
Louis A. Kapicak
Assignee (at issue)
Union Carbide 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.