发明名称 HEXAGONAL BORON NITRIDE POWDER FOR COSMETIC, METHOD FOR PRODUCING THE SAME AND COSMETIC
摘要 <P>PROBLEM TO BE SOLVED: To provide hexagonal boron nitride powder for cosmetic having better spread and makeup lasting quality than those of conventional one and a cosmetic having markedly improved glossy feeling and feeling of transparency (bare skin feeling) of finish. <P>SOLUTION: The hexagonal boron nitride powder is a plate-like aggregate obtained by lamination of flat-shaped primary particles having an average major axis of 2-20 &mu;m and thickness of 0.05-0.5 &mu;m. In the aggregate, the ratio of an aggregate having a specific surface area of 1-10 m<SP POS="POST">2</SP>/g and passing through a sieve having an aperture of 45 &mu;m is &ge;50 mass% and the amount of soluble boron is &le;100 ppm. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012176910(A) 申请公布日期 2012.09.13
申请号 JP20110040629 申请日期 2011.02.25
申请人 MIZUSHIMA FERROALLOY CO LTD 发明人 KOSHIDA TAKAHISA;SUSUKI SHINSUKE;KASAHARA SHUNJI;HIWASA SHOICHI
分类号 A61K8/19;A61Q1/00 主分类号 A61K8/19
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