Granted Patent
Utility
US 4,997,983 · App. 07/472,691
Process for production of ioversol
Inventor:
William Z. McCarthy
Patented Case
View Patent ↗
Granted: Mar 5, 1991
Filed: Jan 31, 1990
Inventor
William Z. McCarthy
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.