Invention Application
- Patent Title: COMPOSITE POWDER HAVING INORGANIC POWDER IMPREGNATED WITH POROUS POLYMER, COSMETIC COMPOSITION CONTAINING SAME, AND METHOD FOR PREPARING SAME
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Application No.: US15555863Application Date: 2015-11-24
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Publication No.: US20180042823A1Publication Date: 2018-02-15
- Inventor: Hyun Suk LEE , Yong Jin KIM , Jon Hwan LEE , Se Jun PARK , Kyung Ho CHOI , Yeong Jin CHOI , Sung-Wook CHOI , Dong-Hyun PAIK
- Applicant: AMOREPACIFIC CORPORATION
- Applicant Address: KR Seoul
- Assignee: AMOREPACIFIC CORPORATION
- Current Assignee: AMOREPACIFIC CORPORATION
- Current Assignee Address: KR Seoul
- Priority: KR10-2015-0035097 20150313; KR10-2015-0102194 20150720
- International Application: PCT/KR2015/012663 WO 20151124
- Main IPC: A61K8/02
- IPC: A61K8/02 ; C08J3/12 ; A61Q1/02 ; A61K8/81 ; A61K8/29
Abstract:
The present invention relates to composite powder having enhanced water repellency and oil absorbency by means of even impregnation of inorganic powder particles with a super-water-repellent porous polymer. The composite powder prepared by means of a one-step spraying procedure of electro-spraying or spray drying, according to the present invention, shows super water repellency and maximized oil absorbency by means of increased porosity of porous polymethyl methacrylate (PMMA) and even impregnation with titanium dioxide (TiO2) nanoparticles.
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