Granted Patent
Utility
US 5,677,445 · App. 08/573,377
Polycyclic complexing agents
Inventors:
John L. Toner, David A. Hilborn, Bruce J. Murray, Timothy Z. Hossain
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Dec 15, 1995
Inventors
John L. Toner
David A. Hilborn
Bruce J. Murray
Timothy Z. Hossain
Assignee (at issue)
NYCOMED IMAGING 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.