Granted Patent
Utility
US 5,041,617 · App. 07/158,000
Dithiodialkanoic acid esters and polymers stabilized therewith
Inventors:
Neil Dunski, Ali A. Bazzi, Henry J. Buehler
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Feb 19, 1988
Inventors
Neil Dunski
Ali A. Bazzi
Henry J. Buehler
Assignee (at issue)
Mallinckrodt Specialty Chemicals Company
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.