Granted Patent
Utility
US 6,623,721 · App. 09/739,436
Bifunctional chelating compounds containing hydroxamic acid residues
Inventors:
Richard J. Flanagan, Jean-Marc Dufour
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Dec 18, 2000
Inventors
Richard J. Flanagan
Jean-Marc Dufour
Assignee (at issue)
Draximage Limited
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.