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公开(公告)号：EP0086028A3
公开(公告)日：1986-06-11
申请号：EP83300024
申请日：1983-01-05
发明人： Kawai, Atsushi , Igami, Ikuo , Katagiri, Yuzuru , Inoue, Michio , Tanaka, Hisao
CPC分类号： C02F1/444 , A61L2/022 , B01D61/00 , B01D61/142 , B01D61/147 , B01D61/20 , B01D63/024 , B01D63/046 , B01D69/02 , B01D69/08 , B01D71/26
摘要： Water contaminated by small amounts of bacteria, pyrogens and iow molecular weight organic compounds is treated by passing said contaminated water through a microporous polyolefin membrane having a multitude of rectangularly shaped nodule areas, each nodule area containing a plurality of strip-like microfibrils arranged in a longitudinal direction from one surface of a nodule to the side opposite said surface thereby forming a plurality of strip-like micropores in each nodule, said micropores being contiguous with each other from one surface to the other surface of the membrane thereby forming a micro-stacked structure, the mean pore diameter of said micropores ranging from 0.03 to 0.8 p.
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公开(公告)号：EP0086028B1
公开(公告)日：1989-08-30
申请号：EP83300024.3
申请日：1983-01-05
发明人： Kawai, Atsushi , Igami, Ikuo , Katagiri, Yuzuru , Inoue, Michio , Tanaka, Hisao
CPC分类号： C02F1/444 , A61L2/022 , B01D61/00 , B01D61/142 , B01D61/147 , B01D61/20 , B01D63/024 , B01D63/046 , B01D69/02 , B01D69/08 , B01D71/26
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公开(公告)号：EP0086028A2
公开(公告)日：1983-08-17
申请号：EP83300024.3
申请日：1983-01-05
发明人： Kawai, Atsushi , Igami, Ikuo , Katagiri, Yuzuru , Inoue, Michio , Tanaka, Hisao
CPC分类号： C02F1/444 , A61L2/022 , B01D61/00 , B01D61/142 , B01D61/147 , B01D61/20 , B01D63/024 , B01D63/046 , B01D69/02 , B01D69/08 , B01D71/26
摘要： Water contaminated by small amounts of bacteria, pyrogens and iow molecular weight organic compounds is treated by passing said contaminated water through a microporous polyolefin membrane having a multitude of rectangularly shaped nodule areas, each nodule area containing a plurality of strip-like microfibrils arranged in a longitudinal direction from one surface of a nodule to the side opposite said surface thereby forming a plurality of strip-like micropores in each nodule, said micropores being contiguous with each other from one surface to the other surface of the membrane thereby forming a micro-stacked structure, the mean pore diameter of said micropores ranging from 0.03 to 0.8 p.
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