Granted Patent
Utility
US 4,546,180 · App. 06/486,476
Process for preparing phosphite-isocyanurates oligomers
Inventors:
Leo L. Valdiserri, Richard P. Woodbury
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Apr 19, 1983
Inventors
Leo L. Valdiserri
Richard P. Woodbury
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.