Liquid purification or separation – Filter – Material
Patent
1993-02-24
1994-02-22
Dawson, Robert A.
Liquid purification or separation
Filter
Material
210504, 210505, 428395, B01D 3908, B01D 3916
Patent
active
052884031
ABSTRACT:
A filter for removing leucocytes comprising a filter medium, said filter medium being a fibrous material made of a polyester fiber which is treated on its surface with a copolymer containing 40 to 80% by weight of units derived from glucosyloxyethyl methacylate.
When the filter of the present invention is used, leucocytes are removed from concentrated platelets or platelet-rich plasma without loss of platelets.
REFERENCES:
patent: 4701267 (1987-10-01), Watanabe et al.
patent: 5152905 (1992-10-01), Pall et al.
patent: 5164492 (1992-11-01), Kitazawa et al.
Dawson Robert A.
Kim Sun Uk
Nissoh Corporation
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