Granted Patent
Utility
US 5,358,704 · App. 08/129,870
Hepatobiliary tetraazamacrocyclic magnetic resonance contrast agents
Inventors:
Jean F. Desreux, Michael F. Tweedle, Peter C. Ratsep, Thomas R. Wagler, Edmund R. Marinelli
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Sep 30, 1993
Inventors
Jean F. Desreux
Michael F. Tweedle
Peter C. Ratsep
Thomas R. Wagler
Edmund R. Marinelli
Assignee (at issue)
BRISTOL-MYERS SQUIBB 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.