Granted Patent
Utility
US 5,082,649 · App. 07/383,056
Method for enhancing the safety of metal-ligand chelates as magnetic resonance imaging agents by addition of calcium ions
Inventor:
Donald R. VanDeripe
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Jun 22, 1989
Inventor
Donald R. VanDeripe
Assignee (at issue)
MallincKrodt Medical, Inc.
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.