Inorganic powder coated with biocompatible polymer, and cosmetic composition comprising same
AssigneeAmorepacific Corporation
InventorsHyun Suk Lee, Jun Oh Kim, Young Jun Yang, Song Seok Shin, Kyung Ho Choi, Yeong Jin Choi, Young Ho Park
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Abstract
The present invention relates to inorganic powder coated with biocompatible polymer and a cosmetic composition comprising same. More particularly, the present invention relates to an organic/inorganic composite powder in which the rough surface of the inorganic powder is treated with biocompatible polymer, thereby improving dispersibility and feeling of use and to a cosmetic composition comprising said composite powder so as to achieve improved feeling of use and tight adhesion when applied to the skin.
Claims10
An organic-inorganic hybrid powder comprising an inorganic powder coated with a biocompatible polymer,
- wherein the biocompatible polymer is 2-methacryloyloxyethylphosphorylcholine,
- wherein the inorganic powder is titanium dioxide having a hydroxy functional group, and
- wherein a coupling agent selected from the group consisting of 3-(trimethoxysilyl)propyl methacrylate and 3-(trimethoxysilyl)propylacrylate is bonded to a surface of the inorganic powder.
Dependencies are inferred from the claim text.