| 发明名称 |
Processes for purification of quaternary cationic surfactant materials and cosmetic compositions containing same |
| 摘要 |
The present invention relates to processes for purifying quaternary cationic surfactant materials and rendering said materials substantially free of ultraviolet absorbing impurities having a maximum absorption in the range of from about 260 nm to about 280 nm. This invention also relates compositions containing purified quaternary cationic surfactant materials.
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| 申请公布号 |
US4824602(A) |
申请公布日期 |
1989.04.25 |
| 申请号 |
US19870136591 |
申请日期 |
1987.12.22 |
| 申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
JUNEJA, PREM S. |
| 分类号 |
A61K8/41;A61Q5/02;A61Q5/12;C11D1/65;C11D3/37;(IPC1-7):A61K7/075;C07C85/26 |
主分类号 |
A61K8/41 |
| 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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