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    • 10. 发明授权
    • Low residue antiperspirant gel-solid stick compositions
    • 低残留止汗凝胶固体棒组合物
    • US06171601B2
    • 2001-01-09
    • US08771563
    • 1996-12-20
    • John Michael GardlikGerald John GuskeyCurtis Bobby Motley
    • John Michael GardlikGerald John GuskeyCurtis Bobby Motley
    • A61K732
    • A61K8/042A61K8/0229A61K8/342A61K8/365A61K8/39A61K8/42A61K8/585A61K2800/31A61Q15/00
    • Disclosed are anhydrous antiperspirant gel-solid stick compositions which comprise a particulate antiperspirant active; a solid non-polymeric gellant that is substantially free of dibenzylidene alditol, n-acyl amino acid derivatives, organic polymeric gellants, and inorganic thickening agents; and an anhydrous liquid carrier having an average solubility parameter of from about 3 to about 13 (cal/cm3)0.5 wherein the composition has a visible residue index of from about 11 to about 30 L-value, a product hardness of from about 500 gram-force to about 5,000 gram-force, a ratio of an elastic to viscous moduli of from about 0.1 to about 100. The refractive indices of the particulate antiperspirant active, solid non-polymeric gellant, and anhydrous liquid carrier are not matched. The solid non-polymeric gellant is preferably a crystalline material having an average particle size of less than about 1 &mgr;m, and/or has an elongated particle morphology having an aspect ratio of greater than about 2. These antiperspirant gel-solid stick compositions provide improved low residue performance, antiperspirant and aesthetics.
    • 公开了包含颗粒止汗活性物质的无水止汗凝胶 - 固体棒组合物; 基本上不含二亚苄基糖醇,正酰基氨基酸衍生物,有机聚合物胶凝剂和无机增稠剂的固体非聚合物胶凝剂; 和平均溶解度参数为约3至约13(cal / cm 3)0.5的无水液体载体,其中组合物的可见残留指数为约11至约30L值,产品硬度为约500克 强度为约5,000克力,弹性粘度模量的比率为约0.1至约100.颗粒止汗剂活性固体非聚合物胶凝剂和无水液体载体的折射率不匹配。 固体非聚合物胶凝剂优选是平均粒度小于约1μm的结晶材料,和/或具有长宽比大于约2的细长颗粒形态。这些止汗凝胶 - 固体棒组合物提供改进的 低残留性能,止汗剂和美观。