Granted Patent
Utility
US 5,336,482 · App. 07/804,315
Technetium-99m complexes with N-substituted 3-hydroxy-4-pyridinones
Inventors:
David Scott Edwards, Christopher Orvig, Michael Poirier
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Dec 5, 1991
Inventors
David Scott Edwards
Christopher Orvig
Michael Poirier
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.