Granted Patent
Utility
US 5,885,549 · App. 08/577,412
Phosphorylated materials as contrast agents for use in magnetic resonance imaging of the gastrointestinal region
Inventor:
Evan C. Unger
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Dec 22, 1995
Inventor
Evan C. Unger
Assignee (at issue)
ImaRx Pharmaceutical Corp.
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.