Granted Patent
Utility
US 4,680,325 · App. 06/827,988
Anti-oxidant isocyanurate ester of thioamidophenol and polyolefins stabilized therewith
Inventors:
Neil Dunski, Ali A. Bazzi, Henry J. Buehler
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Feb 10, 1986
Inventors
Neil Dunski
Ali A. Bazzi
Henry J. Buehler
Assignee (at issue)
MALLINCKRODT LLC
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.