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公开(公告)号:JP4811565B2
公开(公告)日:2011-11-09
申请号:JP2005151115
申请日:2005-05-24
Applicant: Jsr株式会社
IPC: C08J9/26 , A61K9/16 , B01J13/04 , G01N33/53 , G01N33/543
CPC classification number: G01N33/5434 , Y10T428/12049
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公开(公告)号:JP4716034B2
公开(公告)日:2011-07-06
申请号:JP2007001181
申请日:2007-01-09
Applicant: Jsr株式会社
IPC: H01F1/36 , C01G49/00 , C01G49/06 , C01G49/08 , G01N33/543
CPC classification number: G01N33/5434 , G01N33/54393 , Y10S525/921 , Y10T428/2991 , Y10T428/2998
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公开(公告)号:JP4639696B2
公开(公告)日:2011-02-23
申请号:JP2004251635
申请日:2004-08-31
Applicant: Jsr株式会社
IPC: C08J3/12 , C08L101/00 , H01F1/00
Abstract: PROBLEM TO BE SOLVED: To obtain a magnetic substance composite particle that is especially useful as a biochemical carrier and satisfies both excellent dispersibility and magnetic separation properties in a high dimension and is widely useful in a coating, paper, electronic material, electrophotography, cosmetic, medicine, agrochemical, food, catalyst, etc., other than a biochemical carrier and to provide a method for producing the same. SOLUTION: The magnetic substance composite particle comprises f[%] of a magnetic substance fine particle having ≤0.05μm average particle diameter in the inside of the particle and has d[μm] average particle diameter and satisfies formula 1: 20≤f≤80, formula 2: 0.2≤d≤5.0 and formula 3: 60-30d≤f≤90-12d. COPYRIGHT: (C)2006,JPO&NCIPI
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公开(公告)号:JP4683225B2
公开(公告)日:2011-05-18
申请号:JP2006082615
申请日:2006-03-24
Applicant: Jsr株式会社
IPC: G01N33/553 , C08F2/44 , C08F292/00
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