Granted Patent
Utility
US 5,422,249 · App. 08/121,974
Process for the manufacture of thrombin inhibitors
Inventors:
Manfred Liersch, Hans Rink, Walter Marki, Markus G. Grutter, Bernd Meyhack
Patented Case
View Patent ↗
Granted: Jun 6, 1995
Filed: Sep 15, 1993
Inventors
Manfred Liersch
Hans Rink
Walter Marki
Markus G. Grutter
Bernd Meyhack
Assignees (at issue)
Ciba-Geigy
UCP Gen-Pharma AG
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.