- 专利标题： FILTER, MANUFACTURING METHOD THEREFOR, FILTER DEVICE, METHOD FOR SEPARATING OR FRACTIONATING RARE CELLS, AND METHOD FOR ANALYZING RARE CELLS IN CELL SUSPENSION
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申请号： EP22780271.7申请日： 2022-03-18
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公开(公告)号： EP4317409A1公开(公告)日： 2024-02-07
- 发明人: SAWABATA, Noriyoshi , MORITA, Kohei , OBAYASHI, Chiho , SAKAGUCHI, Hirokazu , TOMINAGA, Yoshiaki , ARAKANE, Toru , MORIOKA, Satoko , NODA, Yohei
- 申请人： Toray Industries, Inc. , Public University Corporation Nara Medical University
- 申请人地址： JP Tokyo 103-8666 1-1, Nihonbashi-Muromachi 2-chome, Chuo-ku,; JP Nara 634-8521 840 Shijo-cho Kashihara-shi
- 代理机构： Kador & Partner Part mbB
- 优先权： JP2021058467 20210330
- 国际公布： WO2022210056 20221006
- 主分类号： C12M3/04
- IPC分类号： C12M3/04 ; B01D39/00 ; C12M3/06 ; C12N5/071 ; C12N5/0775 ; C12N5/078 ; C12N5/0789 ; C12N5/09 ; C12N5/095 ; C12Q1/02 ; G01N1/04
摘要：
A filter having a plurality of filter pores penetrating one surface and the other surface of the filter, in which the filter pore has a first opening on the one surface and a second opening on the other surface, a ratio of a major axis diameter L1 to a minor axis diameter W1 of the first opening is 1.00 or more and 1.20 or less, the minor axis diameter W1 is 7.0 µm or more and 9.0 µm or less, a ratio of a major axis diameter L2 to a minor axis diameter W2 of the second opening is 1.00 or more and 1.20 or less, and a ratio of the minor axis diameter W2 to the minor axis diameter W 1 and a ratio of the major axis diameter L2 to the major axis diameter L1 are both 1.20 or more and 1.50 or less.
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