Granted Patent
Utility
US 4,913,853 · App. 06/940,012
Compositions useful for fluorine magnetic resonance imaging
Inventor:
George B. Hoey
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Dec 10, 1986
Inventor
George B. Hoey
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.