| 发明名称 |
COMPOSTO ABSORVEDOR DE UV DE BENZOTRIAZOL, SEU PROCESSO DE PREPARAÇÃO, SUA COMPOSIÇÃO ESTABILIZADA CONTRA DEGRADAÇÃO INDUZIDA POR LUZ E SEU USO |
| 摘要 |
The invention relates to novel benzotriazole UV-absorbers having a long wavelength shifted absorption spectrum with significant absorbance up to 410-420 nm. Further aspects of the invention are a process for their preparation, a UV stabilized composition containing the new UV-absorbers and the use of the new compounds as UV-light stabilizers for organic materials. |
| 申请公布号 |
BRPI0606893(B1) |
申请公布日期 |
2014.10.14 |
| 申请号 |
BR2006PI06893 |
申请日期 |
2006.01.23 |
| 申请人 |
CIBA SPECIALTY CHEMICALS HOLDING INC |
发明人 |
MARKUS FREY;KATHARINA FRITZSCHE;WALTER FISCHER;ADALBERT BRAIG |
| 分类号 |
C07D487/04;C09D7/12 |
主分类号 |
C07D487/04 |
| 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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