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    • 4. 发明申请
    • Modified Powder and Cosmetic Composition Using the Same
    • 改性粉末及使用其的化妆品组合物
    • US20070253989A1
    • 2007-11-01
    • US11721472
    • 2005-12-13
    • Koji AbeHidefumi ArakiShuji NishihamaTetsuya Kanemaru
    • Koji AbeHidefumi ArakiShuji NishihamaTetsuya Kanemaru
    • A61K8/02A61K9/14A61Q17/04
    • C09C3/10A61K8/11A61K8/27A61K8/29A61K8/361A61K8/416A61K8/55A61K8/585A61K8/891A61Q1/02A61Q1/06A61Q1/10A61Q1/12A61Q17/04C01P2004/84C09C3/006C09C3/08C09C3/12
    • The present invention provides a modified powder that is obtainable by coating the surface of a base powder with a hydrophobizing agent and a cationic surfactant. In the modified powder described above, it is preferable that the amount of coated hydrophobizing agent and the amount of coated cationic surfactant are 3 to 90% by mass and 0.5 to 10% by mass, respectively, relative to the self weight of the base powder. In the modified powder described above, it is preferable that the mass ratio of the coated hydrophobizing agent and the coated cationic surfactant is from 1:1 to 9:1. In addition, the present invention provides a cosmetic composition comprising the above modified powder wherein the modified powder and the base powder have an ultraviolet scattering effect. In the cosmetic composition described above, it is preferable that the blended amount of the modified powder is from 0.5 to 100% by mass. Furthermore, the present invention provides a sunscreen cosmetic composition comprising the above modified powder with an ultraviolet scattering effect. In the sunscreen cosmetic composition described above, it is preferable that the base powder is one or more selected from the group consisting of titanium oxide, zinc oxide, iron oxide, cerium oxide, bismuth oxide, zirconium oxide, chromium oxide, and tungstic acid. In the sunscreen cosmetic composition described above, it is preferable that the blended amount of the modified powder is from 1 to 40% by mass.
    • 本发明提供了通过用疏水化剂和阳离子表面活性剂涂布基础粉末的表面而获得的改性粉末。 在上述改性粉末中,涂布的疏水化剂的量和涂布的阳离子表面活性剂的量相对于基础粉末的自重分别优选为3〜90质量%,为0.5〜10质量% 。 在上述改性粉末中,涂布的疏水化剂和涂布的阳离子表面活性剂的质量比优选为1:1至9:1。 此外,本发明提供一种包含上述改性粉末的化妆品组合物,其中改性粉末和基础粉末具有紫外线散射效果。 在上述化妆品组合物中,改性粉末的配合量优选为0.5〜100质量%。 此外,本发明提供一种防晒化妆品组合物,其包含具有紫外线散射效果的上述改性粉末。 在上述防晒化妆品组合物中,优选基础粉末是选自氧化钛,氧化锌,氧化铁,氧化铈,氧化铋,氧化锆,氧化铬和钨酸中的一种或多种。 在上述防晒化妆品组合物中,改性粉末的配合量优选为1〜40质量%。
    • 7. 发明授权
    • Modified powder and cosmetic composition using the same
    • 改性粉末和使用其的化妆品组合物
    • US08168227B2
    • 2012-05-01
    • US11721472
    • 2005-12-13
    • Koji AbeHidefumi ArakiShuji NishihamaTetsuya Kanemaru
    • Koji AbeHidefumi ArakiShuji NishihamaTetsuya Kanemaru
    • A61K9/14A61K8/19
    • C09C3/10A61K8/11A61K8/27A61K8/29A61K8/361A61K8/416A61K8/55A61K8/585A61K8/891A61Q1/02A61Q1/06A61Q1/10A61Q1/12A61Q17/04C01P2004/84C09C3/006C09C3/08C09C3/12
    • The present invention provides a modified powder that is obtainable by coating the surface of a base powder with a hydrophobizing agent and a cationic surfactant. In the modified powder described above, it is preferable that the amount of coated hydrophobizing agent and the amount of coated cationic surfactant are 3 to 90% by mass and 0.5 to 10% by mass, respectively, relative to the self weight of the base powder. In the modified powder described above, it is preferable that the mass ratio of the coated hydrophobizing agent and the coated cationic surfactant is from 1:1 to 9:1. In addition, the present invention provides a cosmetic composition comprising the above modified powder wherein the modified powder and the base powder have an ultraviolet scattering effect. In the cosmetic composition described above, it is preferable that the blended amount of the modified powder is from 0.5 to 100% by mass. Furthermore, the present invention provides a sunscreen cosmetic composition comprising the above modified powder with an ultraviolet scattering effect. In the sunscreen cosmetic composition described above, it is preferable that the base powder is one or more selected from the group consisting of titanium oxide, zinc oxide, iron oxide, cerium oxide, bismuth oxide, zirconium oxide, chromium oxide, and tungstic acid. In the sunscreen cosmetic composition described above, it is preferable that the blended amount of the modified powder is from 1 to 40% by mass.
    • 本发明提供了通过用疏水化剂和阳离子表面活性剂涂布基础粉末的表面而获得的改性粉末。 在上述改性粉末中,涂布的疏水化剂的量和涂布的阳离子表面活性剂的量相对于基础粉末的自重分别优选为3〜90质量%,为0.5〜10质量% 。 在上述改性粉末中,涂布的疏水化剂和涂布的阳离子表面活性剂的质量比优选为1:1至9:1。 此外,本发明提供一种包含上述改性粉末的化妆品组合物,其中改性粉末和基础粉末具有紫外线散射效果。 在上述化妆品组合物中,改性粉末的配合量优选为0.5〜100质量%。 此外,本发明提供一种防晒化妆品组合物,其包含具有紫外线散射效果的上述改性粉末。 在上述防晒化妆品组合物中,优选基础粉末是选自氧化钛,氧化锌,氧化铁,氧化铈,氧化铋,氧化锆,氧化铬和钨酸中的一种或多种。 在上述防晒化妆品组合物中,改性粉末的配合量优选为1〜40质量%。