Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or...
Reexamination Certificate
2005-07-12
2005-07-12
Barry, Chester T. (Department: 1724)
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
C435S007100
Reexamination Certificate
active
06916419
ABSTRACT:
Devices such as flow through columns, substrates such as spherical polymer beads, and methods of using such to remove prions from any liquid sample are disclosed. A surface of a substrate is coated with a prion complexing agent, such as a salt of phosphotungstic acid. Blood or plasma passing through a column containing beads coated with prion complexing agent are rendered prion free.
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Prusiner Stanley B.
Safar Jiri G.
Barry Chester T.
Bozicevic Karl
Bozicevic Field & Francis LLP
The Regents of the University of California
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