Granted Patent
Utility
US 4,748,261 · App. 06/772,891
Bis-phosphite compounds
Inventors:
Ernst Billig, Anthony G. Abatjoglou, David R. Bryant
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Sep 5, 1985
Inventors
Ernst Billig
Anthony G. Abatjoglou
David R. Bryant
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.