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    • 4. 发明申请
    • MICRO-PARTICULATE ORGANIC UV ABSORBER COMPOSITION
    • 微粒有机紫外线吸收剂组合物
    • WO2006024633A1
    • 2006-03-09
    • PCT/EP2005/054225
    • 2005-08-29
    • CIBA SPECIALTY CHEMICALS HOLDING INC.DESHAYES, CyrilleMONGIAT, Sébastien
    • DESHAYES, CyrilleMONGIAT, Sébastien
    • A61Q17/04A61K8/34A61K8/49
    • A61K8/342A61Q17/04
    • Disclosed is a topically applicable water-in-oil (w/o) or water-in-silicone (w/Si) formulation comprising: (a) at least one aqueous phase; (b) at least one fatty phase; (c) an effective UV-photoprotecting composition comprising (c 1 ) 20% to 99% of at least one insoluble micronized organic UV-screening active with a mean particle size ranging from 0,01µm to 2 µm.; and (c 2 ) 0.5% to 80% of at least one primary C 6 -C 28 fatty alcohol. The combination of a micronized organic UV absorber and a specific fatty alcohol allows a maximum of miscibility of micronized organic particles within the continuous oil phase of w/o emulsion wherein the micronized particles are stabilized in the oil phase of the composition. Simultaneously the crystal growth of micronized organic UV absorbers within W/O emulsions is limited or even eliminated.
    • 公开了一种局部适用的油包水(w / o)或水包硅(w / Si)制剂,其包含:(a)至少一种水相; (b)至少一个脂肪相; (c)一种有效的UV光保护组合物,其包含20%至99%的至少一种平均粒度范围为0.01μm至2μm的不溶性微粉化有机UV-筛选活性物质的(c-1) 。 和(c 2/2)0.5%至80%的至少一种C 6 -C 28脂肪醇。 微粉化有机UV吸收剂和特定脂肪醇的组合允许在w / o乳液的连续油相中的微粉化有机颗粒的最大混溶性,其中微粉化颗粒在组合物的油相中稳定。 同时,W / O乳液中微粉化有机UV吸收剂的晶体生长受到限制或甚至消除。