发明授权
US5516914A Compositions stabilized with 5-thio-substituted benzotriazole
UV-absorbers
失效
用5-硫代取代的苯并三唑紫外线吸收剂稳定的组合物
- 专利标题： Compositions stabilized with 5-thio-substituted benzotriazole UV-absorbers
- 专利标题（中）： 用5-硫代取代的苯并三唑紫外线吸收剂稳定的组合物
-
申请号： US146331申请日： 1993-11-01
-
公开(公告)号： US5516914A公开(公告)日： 1996-05-14
- 发明人: Roland A. E. Winter , Volker H. von Ahn , Tyler A. Stevenson , Mark S. Holt , Ramanathan Ravichandran
- 申请人： Roland A. E. Winter , Volker H. von Ahn , Tyler A. Stevenson , Mark S. Holt , Ramanathan Ravichandran
- 申请人地址： NY Tarrytown
- 专利权人： Ciba-Geigy Corporation
- 当前专利权人： Ciba-Geigy Corporation
- 当前专利权人地址： NY Tarrytown
- 主分类号： C07D249/20
- IPC分类号： C07D249/20 ; C07F7/18 ; C07F9/6518 ; C08F220/38 ; C08G65/32 ; C08K5/3472 ; C08K5/3475 ; C08K5/378 ; C09K3/00 ; C07D249/16 ; C08K5/34
摘要：
2-(2-Hydroxyphenyl)-2H-benzotriazole UV-absorbers substituted at the 5-position of the benzo ring by a thioether group exhibit enhanced absorption in the near visible range (over 350 nm) allowing said compounds to be particularly effective in protecting polymer systems which are prone to degradation caused by actinic irradiation with wavelengths over 350 nm.
公开/授权文献
信息查询
