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METHOD FOR PRODUCING OXID MICRO-CAPSULES LOADED WITH FUNCTIONALIZED MOLECULES AND THE PRODUCTS OBTAINED THEREFROM
专利权人:
SOL-GEL TECHNOLOGIES LTD.
发明人:
MAGDASSI, SHLOMO,AVNIR, DAVID,SERI-LEVY, ALON,LAPIDOT, NOA,ROTTMAN, CLAUDIO,SOREK, YORAM,BEN ZAZON, ORIT
申请号:
AT99939560
公开号:
AT546131T
申请日:
1999.08.11
申请国别(地区):
AT
年份:
2012
代理人:
摘要:
The present invention relates to a novel process for preparing sol-gel microcapsules loaded with up to 95% (w/w) functional molecules or substances and to the products obtained by said process. Said process is conducted in two steps: (a) creating an oil-in-water emulsion by emulsification of a water insoluble solution comprising the sol-gel precursors and the molecules to be loaded, in an aqueous solution under appropriate shear forces; (b) mixing and stirring said emulsion with an aqueous solution at a suitably selected pH to obtain loaded sol-gel microcapsules in suspension. The microcapsules so obtained can further be subjected to cycles of isolation and rinsing. Incorporation of the final product, either in the form of a suspension or a powder, in cosmetic formulations affords a transparent cream when applying to skin and has a smooth and pleasant contact.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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