发明授权
- 专利标题： Mixtures of fluorescent whitening agents
- 专利标题（中）： 荧光增白剂的混合物
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申请号： US10111530申请日： 2002-04-23
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公开(公告)号： US06783698B1公开(公告)日： 2004-08-31
- 发明人: Dieter Reinehr , Hanspeter Sauter , Hans Kramer , Werner Schreiber
- 申请人： Dieter Reinehr , Hanspeter Sauter , Hans Kramer , Werner Schreiber
- 优先权： EP99810968 19991025
- 主分类号： D06L312
- IPC分类号： D06L312
摘要：
The present invention relates to a mixture of fluorescent whitening agents comprising 20 to 70% by weight of a compound of formula (1), 30 to 80% of a compound of formula (2) and 0.1 to 10% of a compound of formula (3), compositions containing the mixture and the user of the compositions for whitening synthetic fibers, in particular, polyester.
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