Leukocyte-removing filter material
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United States of America Patent
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Mar 5, 2002
Grant Date -
N/A
app pub date -
Feb 11, 2000
filing date -
Aug 28, 1997
priority date (Note) -
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Abstract
A leukocyte-removing filter medium for removing leukocytes from a leukocyte-containing fluid, wherein said filter medium has, at least on its surface, hydrophilic basic groups containing at least one nonionic hydrophilic portion and at least one basic portion, in which said hydrophilic portion(s) is located nearer to the end of the hydrophilic basic group than said basic portion(s) is.
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