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公开(公告)号：KR20200127972A
公开(公告)日：2020-11-11
申请号：KR20207016122
申请日：2019-03-08
Applicant: DENKA COMPANY LTD
Inventor： MATSUI RYUKI , SHIIBA MITSURU
IPC: C01B21/064 , A61K8/19 , A61Q1/02
Abstract: 본개시는, 1 차입자및 1 차입자의응집입자의적어도일방의입자를포함하고, 용출붕소량이 1 g 당 20 ppm 이하이고, 평균입자경이 2.5 ∼ 7.0 ㎛이며, 36 ㎛이상의입자경을갖는상기입자의함유량이 10.0 체적% 이하인, 질화붕소분말을제공한다.
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