发明名称 |
BLACK IRON OXIDE FOR USE WITH COSMETICS, PRODUCTION METHOD THEREOF, AND COSMETIC MATERIALS COMPRISING THE SAME |
摘要 |
To solve the problem of providing a black iron oxide that can yield sufficient blackness, opacifying effect and covering ability even if it is only added in a small amount for use with cosmetic materials, the invention provides a black iron oxide with a high tinting strength having an octahedral shape, a specific surface in a range of 8.0 to 20.0 m 2 /g, and a particle surface coated with a layer containing one type or two or more types of inorganic compounds, wherein an L*value of a colour on reduction is 31.0 or lower and a b*value of a colour on reduction is 1.5 or lower, a production method thereof, and cosmetic materials that incorporate the same. |
申请公布号 |
EP2954885(A1) |
申请公布日期 |
2015.12.16 |
申请号 |
EP20150171334 |
申请日期 |
2015.06.10 |
申请人 |
TITAN KOGYO KABUSHIKI KAISHA |
发明人 |
NAKAMURA, AKIRA;MORISHITA, MASAYASU;UCHIDA, HIROAKI |
分类号 |
A61K8/02;A61K8/19;A61Q1/10 |
主分类号 |
A61K8/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|