发明名称 |
Method of preparation of an antiperspirant salt |
摘要 |
A method of providing a salt having antiperspirant activity and having an empirical formula Al2(OH)6-aXa.YH2O wherein X is one of Cl, Br or I, Y ranges from 1.5 to 2.5, and a ranges from 0.8 to 1.33 includes heating an aqueous solution comprised of one of aluminum halide or HX, and aluminum metal for a time period sufficient for the aluminium metal to dissolve and provide a solution containing dissolved aluminum; and subsequently aging the solution containing dissolved aluminium for a time period ranging from 50 minutes to 21 days at a temperature ranging from 80 to 130° C. to provide a resulting solution having a ratio of Al to X ranging from 1.5:1 to 2.0:1 and having an aluminum concentration ranging from 0.5 to 3.8 wt %.
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申请公布号 |
US2004101500(A1) |
申请公布日期 |
2004.05.27 |
申请号 |
US20030276589 |
申请日期 |
2003.06.27 |
申请人 |
ASHCROFT THOMAS ALEXANDER;BREKER JOHANNES;GOSLING KEITH;KAUFMANN BRUNO;SMITH MARGARET PHILIPPA |
发明人 |
ASHCROFT THOMAS ALEXANDER;BREKER JOHANNES;GOSLING KEITH;KAUFMANN BRUNO;SMITH MARGARET PHILIPPA |
分类号 |
A61K8/26;A61Q15/00;C01F7/48;C01F7/56;(IPC1-7):A61K7/06 |
主分类号 |
A61K8/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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