Granted Patent
Utility
US 6,777,541 · App. 09/766,098
Protein purification II
Inventor:
Göran Karlsson
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Jan 19, 2001
Inventor
Göran Karlsson
Assignee (at issue)
OCTAPHARMA 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.