Granted Patent
Utility
US 4,634,728 · App. 06/767,548
Polyol carboxyalkylthioalkanoamidophenol compounds and organic material stabilized therewith
Inventors:
Neil Dunski, Ali A. Bazzi, Henry J. Buehler
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Aug 20, 1985
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.