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公开(公告)号:US06548703B1
公开(公告)日:2003-04-15
申请号:US09581743
申请日:2000-06-16
申请人: Ryuzo Ueno , Masaya Kitayama , Kenji Minami , Masamitsu Kubotsu
发明人: Ryuzo Ueno , Masaya Kitayama , Kenji Minami , Masamitsu Kubotsu
IPC分类号: C07C23305
CPC分类号: C09B67/0046 , C07C65/11 , C07C69/94 , C07C235/66 , C09B29/106 , C09B29/20
摘要: A toning agent for an azo pigment, an azo pigment with a modified tone, and process for preparing the same are provide. 2-hydroxynaphthalene-3,6-dicarboxylic acid or a derivative thereof is admixed with a primary coupler component for an azo pigment and the mixed coupler composition and an aromatic diazonium are coupled.
摘要翻译: 提供了一种偶氮颜料调色剂,具有改性色调的偶氮颜料及其制备方法。 将2-羟基萘-3,6-二羧酸或其衍生物与偶氮颜料的一级偶合剂组分混合,并将混合的偶合剂组合物和芳族重氮偶合。