| 发明名称 |
LIGHT-SCREENING AGENTS |
| 摘要 |
The invention relates to a photostabilized dibenzoylmethane type UV-A screening agent stabilized by at least one compound of formula I (see fig. I) wherein R1 and R2 are equal or different and represent linear or branched alkyl or alkoxy radicals with 1 to 18 C atoms or one of R1 and R2 is a hydrogen atom and n is 1 or 2.
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| 申请公布号 |
CA2241645(A1) |
申请公布日期 |
1999.01.14 |
| 申请号 |
CA19982241645 |
申请日期 |
1998.06.24 |
| 申请人 |
F. HOFFMANN-LA ROCHE AG |
发明人 |
POCHON, MAGALI;BRINGHEN, ALAIN;GONZENBACH, HANS ULRICH |
| 分类号 |
A61K8/30;A61K8/00;A61K8/29;A61K8/31;A61K8/35;A61K8/37;A61K8/40;A61K8/89;A61K8/891;A61Q5/00;A61Q17/04;C09K3/00;(IPC1-7):A61K7/42 |
主分类号 |
A61K8/30 |
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