Granted Patent
Utility
US 5,543,465 · App. 08/367,458
Process for the production of hydrophilic membranes
Inventors:
Carl-Martin Bell, Manfred Pirner, Reinhold Buck, Hermann Gohl
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Dec 30, 1994
Inventors
Carl-Martin Bell
Manfred Pirner
Reinhold Buck
Hermann Gohl
Assignee (at issue)
Gambro Dialysatoren GmbH
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.