Granted Patent
Utility
US 5,656,254 · App. 08/471,590
Polyaza heteroatom-bearing ligands and metal complexes thereof for imaging or radiotherapy
Inventors:
Kondareddiar Ramalingam, Natarajan Raju
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Jun 6, 1995
Inventors
Kondareddiar Ramalingam
Natarajan Raju
Assignee (at issue)
Bracco International BV
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.