Granted Patent
Utility
US 4,891,101 · App. 07/275,483
Purification of tertiary hydroperoxides containing primary and secondary hydroperoxide contaminants
Inventor:
Carl J. Sullivan
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Nov 23, 1988
Inventor
Carl J. Sullivan
Assignee (at issue)
Arco Chemical Technology, L.P.
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.