Granted Patent
Utility
US 6,312,591 · App. 09/150,790
Filtration cell for tangential flow filtration and filtration system making use of such cell
Inventors:
Vincenzo Vassarotti, Colin Kalman Lanyi, Christopher Biddell
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Sep 10, 1998
Inventors
Vincenzo Vassarotti
Colin Kalman Lanyi
Christopher Biddell
Assignee (at issue)
Sartorius 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.