| 发明名称 |
UV absorbing chromophores covalently bonded to hyperbranched polymers |
| 摘要 |
The invention provides a conjugate comprising a hyperbranched polymer covalently bonded to at least three UV absorbing chromophores having an UV absorption maximum λmax≧270 nm. The conjugate is an effective and safe sunscreen which can advantageously be used in cosmetic compositions.
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| 申请公布号 |
US7988953(B2) |
申请公布日期 |
2011.08.02 |
| 申请号 |
US20050593486 |
申请日期 |
2005.03.23 |
| 申请人 |
DSM IP ASSETS B.V. |
发明人 |
POSCHALKO ALEXANDER;HUBER ULRICH;SCHEHLMANN VOLKER |
| 分类号 |
A61K8/72;A61K8/44;A61K8/49;A61K8/85;A61K8/86;A61K8/90;A61Q17/04;A61Q19/04;C08G83/00;C08L101/00 |
主分类号 |
A61K8/72 |
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