Granted Patent
Utility
US 6,428,707 · App. 09/380,051
Adsorption/separation method and a medium for adsorption/separation
Inventors:
Hans Berg, Hasse Hansson, Lennart Kagedal
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Mar 13, 2000
Inventors
Hans Berg
Hasse Hansson
Lennart Kagedal
Assignee (at issue)
Amersham Pharmacia Biotech, Inc.
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.