| 发明名称 |
Bromo-functionalized benzotriazole UV absorbers |
| 摘要 |
The invention pertains to bromo functionalized benzotriazole UV absorber of the general formula 1wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy.
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| 申请公布号 |
US6284895(B1) |
申请公布日期 |
2001.09.04 |
| 申请号 |
US20000749274 |
申请日期 |
2000.12.27 |
| 申请人 |
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
发明人 |
THANKI PARAGKUMAR NATHALAL;SINGH RAJ PAL |
| 分类号 |
C07D249/20;(IPC1-7):C07D249/20 |
主分类号 |
C07D249/20 |
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