Granted Patent
Utility
US 5,733,764 · App. 08/347,470
Method for purification of an aqueous enzyme solution
Inventor:
Niels-Viktor Nielsen
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Dec 8, 1994
Inventor
Niels-Viktor Nielsen
Assignee (at issue)
Novo Nordisk A/S
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.