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ULTRAVIOLET-SHIELDING PARTICLE COATED WITH SILICON OXIDE, AQUEOUS COMPOSITION CONTAINING ULTRAVIOLET-SHIELDING PARTICLE COATED WITH SILICON OXIDE, AND COSMETIC
专利权人:
LTD.;SUMITOMO OSAKA CEMENT CO.
发明人:
Tetsuro ITAGAKI,Hirokazu MATSUSHITA,Norito MORISHITA
申请号:
US16476109
公开号:
US20190350822A1
申请日:
2018.01.05
申请国别(地区):
US
年份:
2019
代理人:
摘要:
In an ultraviolet-shielding particle coated with silicon oxide of the present invention, a surface of the ultraviolet-shielding particle is coated with a silicon oxide coat, at least one functional group selected from the group consisting of an alkyl group, an alkenyl group, and a cycloalkyl group is present on a surface of the silicon oxide coat, and a content of the functional group is 0.0001% by mass or more and 0.30% by mass or less.
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