Granted Patent
Utility
US 4,801,576 · App. 07/145,023
Method of inhibiting blood clotting with desulfatohirudins
Inventors:
Hans Fritz, Johannes Dodt, Ursula Seemuller, Ernst Fink
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Jan 19, 1988
Inventors
Hans Fritz
Johannes Dodt
Ursula Seemuller
Ernst Fink
Assignee (at issue)
Ciba-Geigy
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.