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    • 3. 发明授权
    • Diffusing particles based on organogelling xerogel fibers, method for preparing same and use in cosmetic formulations
    • 基于有机凝胶干凝胶纤维扩散颗粒,其制备方法和用于化妆品制剂中
    • US08231884B2
    • 2012-07-31
    • US11992659
    • 2006-09-29
    • Anne DoatEmile PerezIsabelle Rico-LattesPascal Bordat
    • Anne DoatEmile PerezIsabelle Rico-LattesPascal Bordat
    • A61K8/60A61K8/11A61Q19/00
    • A61K8/11A61K8/60A61Q1/00
    • The invention concerns particles consisting essentially of fibers of an organogelling substance in the form of xerogel (dry gel), the fibers being essentially oriented in a common direction and randomly aligned around the longest fiber. The organogelling substance is preferably 1,3: 2,4-di-O-benzylidene-D-sorbitol. Said particles, which are in the form of spindles, have interesting optical properties; they have a total light transmittance higher than 0.80, with a diffuse transmittance higher than the specular transmittance. The invention also concerns a method for preparing said particles by solvent evaporation process, by solvent diffusion/evaporation process or by shearing process. The invention finally concerns active particles consisting of said particles whereon is immobilized a dermocosmetically active principle, a dermocosmetic composition comprising said particles or said active particles and a cosmetic treatment method which consists in applying on the skin said dermocosmetic composition.
    • 本发明涉及基本上由干凝胶(干凝胶)形式的有机凝胶物质的纤维组成的颗粒,该纤维基本上沿着共同的方向定向并随机地排列在最长的纤维周围。 有机凝胶物质优选为1,3:2,4-二-O-亚苄基-D-山梨糖醇。 呈心轴形式的所述颗粒具有有趣的光学性质; 它们的总透光率高于0.80,漫透射率高于镜面透光率。 本发明还涉及通过溶剂蒸发法,溶剂扩散/蒸发法或剪切法制备所述颗粒的方法。 本发明最终涉及由所述颗粒组成的活性颗粒,其中固定有皮肤发光活性成分,包含所述颗粒或所述活性颗粒的皮肤外用剂组合物和在皮肤上施用所述皮肤油性组合物的美容处理方法。