Liquid purification or separation – Filter – Material
Reexamination Certificate
2005-12-20
2005-12-20
Witz, Jean C. (Department: 1651)
Liquid purification or separation
Filter
Material
Reexamination Certificate
active
06977044
ABSTRACT:
A filter for selectively removing leukocytes from the human whole blood, characterized in that it comprises a filter base coated with a hydrophilic synthetic polymer having a weight-average molecular weight of 300,000 to 3,000,000 and that the percentage of covering by the polymer is 70% or higher based on the whole surface of the filter base.
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Fukuda Tatsuya
Miura Hirofumi
Miura Morikazu
Oishi Teruhiko
Asahi Medical Co., Ltd.
Witz Jean C.
Young & Thompson
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