Method for depleting viral and molecular pathogens in a biological material
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United States of America Patent
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Oct 15, 2002
Grant Date -
Feb 14, 2002
app pub date -
Aug 20, 2001
filing date -
Jun 13, 1997
priority date (Note) -
Expired
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Abstract
A method for depleting viral and molecular pathogens in a biological material containing one or several biological substances to be recovered is disclosed, wherein the biological material is admixed with an organic solvent, the solvent-admixed biological material is contacted with an ion exchanger, wherein the pathogens are adsorbed on the ion exchanger material, and at least one of the biological substances to be recovered does not interact or interacts only slightly with the ion exchanger, and the ion exchanger with the pathogens adsorbed thereon is sesparated from the biological material, a virus-depleted preparation of the biological substance being recovered.
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