Granted Patent
Utility
US 6,831,159 · App. 09/367,459
Method for purifying factor VIII/vWF company by cation-exchange chromatography
Inventors:
Artur Mitterer, Bernhard Fischer, Öyvind L. Schönberger, Kathrin Thomas-Urban, Friedrich Dorner, Johann Eibl
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: May 8, 2000
Inventors
Artur Mitterer
Bernhard Fischer
Öyvind L. Schönberger
Kathrin Thomas-Urban
Friedrich Dorner
Johann Eibl
Assignee (at issue)
Baxter Aktiengesellschaft
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.