发明名称 |
COSMETIC FORMULATIONS CONTAINING PHOTOSTABLE UV-A FILTERS |
摘要 |
Described are cosmetic preparations containing light-screening agents designed to protect the human epidermis against UV light in the region from 280 to 400 nm. The light-screening agents are contained in a carrier compound suitable for cosmetic purposes together with compounds of the formula (I): (see formula I) where R1 and R2 are identical or different straight-chain or branched aliphatic or cycloaliphatic radicals which are in the para and/or ortho position and have 1 to 18 carbon atoms, R1 may additionally be a hydrogen atom, and n is 1 or 2, and with compounds which absorb in the UV-B region. The above mentioned compounds of the formula I are in amounts which make them active as photostable UV-A filters.
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申请公布号 |
CA2234121(C) |
申请公布日期 |
2005.07.05 |
申请号 |
CA19962234121 |
申请日期 |
1996.10.25 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
AUMULLER, ALEXANDER;HOLDERBAUM, MARTIN;SPERLING, KARIN;WUNSCH, THOMAS;WESTENFELDER, HORST |
分类号 |
A61K8/00;A61K8/40;A61K8/92;A61Q1/04;A61Q17/04;(IPC1-7):A61K7/42 |
主分类号 |
A61K8/00 |
代理机构 |
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主权项 |
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地址 |
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