Granted Patent
Utility
US 4,986,980 · App. 06/793,898
Water-soluble, carrier-bound paramagnetic metal containing diagnostic agents
Inventor:
Trond Jacobsen
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Nov 1, 1985
Inventor
Trond Jacobsen
Assignee (at issue)
Nycomed AS
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.