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    • 8. 发明申请
    • Antiperspirant Active Compositions and Manufacture Thereof
    • 止汗活性组合物及其制造方法
    • US20130209387A1
    • 2013-08-15
    • US13882488
    • 2010-11-02
    • Iraklis PappasLong Pan
    • Iraklis PappasLong Pan
    • A61K8/26A61Q15/00
    • C01F7/56A61K8/26A61K8/28A61K8/44A61K2800/592A61K2800/80A61Q15/00C01F7/002C01P2002/86C01P2002/87
    • An antiperspirant active composition comprising an aluminum salt, the aluminum salt (i) having an aluminum to chloride molar ratio of 0.3:1 to 3:1; and (ii) exhibiting an 27Al NMR spectrum with a species distribution including at least 90% A130 polyhydroxyoxoaluminum cation as the predominant species detectable by 27Al NMR within the aluminum salt. The composition can optionally include zirconium. Also disclosed are a method of making an antiperspirant active composition and the use of a heating step at elevated temperature to convert Al13 polyhydroxyoxoaluminum cations in the species detectable by 27Al NMR within an aqueous aluminum salt solution into Al30 polyhydroxyoxoaluminum cations in the species detectable by 27Al NMR without increasing a SEC Peak 3 area in the SEC chromatogram of the aluminum salt.
    • 一种止汗活性组合物,其包含铝盐,所述铝盐(i)的铝与氯化物的摩尔比为0.3:1至3:1; 和(ii)表现出具有包含至少90%的Al 30聚羟基氧化铝阳离子作为主要种类的物质分布的27Al NMR光谱,其可通过铝盐中的27Al NMR检测。 该组合物可以任选地包括锆。 还公开了制备止汗活性组合物的方法,并且在升高的温度下使用加热步骤将AlI 3聚羟基氧化铝阳离子转化成AlAl多羟基氧化铝阳离子,其可通过27Al NMR在铝盐水溶液中检测,可通过27Al NMR检测 而不增加铝盐的SEC色谱图中的SEC峰3区。