发明授权
US06225468B1 Process for making 2-(2,4,-dihydroxyphenyl) or 2-(2,4-dialkoxyphenyl)-4,6-bisaryl-1,3,5-triazines
有权
制备2-(2,4'-二羟基苯基)或2-(2,4-二烷氧基苯基)-4,6-双芳基-1,3,5-三嗪的方法
- 专利标题: Process for making 2-(2,4,-dihydroxyphenyl) or 2-(2,4-dialkoxyphenyl)-4,6-bisaryl-1,3,5-triazines
- 专利标题(中): 制备2-(2,4'-二羟基苯基)或2-(2,4-二烷氧基苯基)-4,6-双芳基-1,3,5-三嗪的方法
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申请号: US09388644申请日: 1999-09-02
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公开(公告)号: US06225468B1公开(公告)日: 2001-05-01
- 发明人: Ram B. Gupta , Dennis J. Jakiela , Sampath Venimadhavan , Russell C. Cappadona , Venkatrao K. Pai
- 申请人: Ram B. Gupta , Dennis J. Jakiela , Sampath Venimadhavan , Russell C. Cappadona , Venkatrao K. Pai
- 主分类号: C07D25124
- IPC分类号: C07D25124
摘要:
Provided is a new process for the preparation of compositions containing at least one triazine ultraviolet light absorber.
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