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    • 2. 发明授权
    • Skin pH freezer bar and process
    • 皮肤pH冷冻棒和工艺
    • US5225097A
    • 1993-07-06
    • US854927
    • 1992-03-20
    • Mark L. KacherJames E. TaneriDiane G. SchmidtTeresa K. Wong
    • Mark L. KacherJames E. TaneriDiane G. SchmidtTeresa K. Wong
    • A61K8/00A61K8/20A61K8/23A61K8/24A61K8/25A61K8/31A61K8/34A61K8/36A61K8/362A61K8/37A61K8/39A61K8/40A61K8/41A61K8/44A61K8/46A61K8/60A61K8/64A61K8/73A61K8/92A61K8/97A61K8/98A61Q19/10C11D9/02C11D11/00C11D13/18C11D17/00
    • C11D17/006C11D13/18
    • The invention provides a firm, low smear, ultra mild, weakly acidic skin pH (4.8-6.0) personal cleansing freezer bar comprising by weight of said bar: a sum total of from about 10% to about 50% of essentially free carboxylic acid, preferably myristic acid, behenic acid, or 12-hydroxy stearic acid; from about 15% to about 65% of a water-soluble organic anionic and/or nonionic bar firmness aid, preferably sodium cocoyl isethionate or sodium lauroyl isethionate; and from about 15% to about 40% water.The skin pH freezer bar is made by the following process steps:I. mixing a molten (170.degree.-205.degree. F.; 76.degree.-96.degree. C.) mixture comprising said essentially free carboxylic acid; water; and bar firmness aid;II. cooling said mixture to a semi-solid in a scraped wall heat exchanger freezer at a cooled temperature of 110.degree.-195.degree. F. (43.degree.-91.degree. C.);III. extruding said semi-solid as a soft plug; and further cooling and crystallizing said soft plug until firm to provide said skin pH personal cleansing freezer bar.The firm, low smear, ultra mild freezer bar has a shallow 25.degree. C. penetration value of from zero up to 12 mm.
    • 本发明提供了一种坚实,低涂片,超轻度,弱酸性皮肤pH(4.8-6.0)的个人清洁冷冻棒,其包含所述条的重量:总计约10%至约50%的基本游离羧酸, 优选肉豆蔻酸,山萮酸或12-羟基硬脂酸; 约15%至约65%的水溶性有机阴离子和/或非离子条紧固剂,优选椰油酰基羟乙基磺酸钠或月桂酰羟乙基磺酸钠; 和约15%至约40%的水。 皮肤pH冷冻棒通过以下步骤制备:I.将包含所述基本上游离的羧酸的熔融(170°-205°F; 76-96℃)混合物混合; 水; 和酒吧坚定的援助; 二, 在110°-195°F的冷却温度下将所述混合物在刮壁式热交换器冷冻器中冷却至半固体状态;(43-91℃); 三, 将所述半固体作为软塞挤出; 并进一步冷却和结晶所述软塞,直到坚固以提供所述皮肤pH个人清洁冷冻棒。 该公司,低涂层,超轻型冷冻棒具有从零到12mm的浅的25℃的穿透值。