发明名称 |
TONING AGENT |
摘要 |
<p>A toning agent for an azo pigment, an azo pigment with a modified tone, and process for preparing the same are provided. 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.</p> |
申请公布号 |
EP1043364(A1) |
申请公布日期 |
2000.10.11 |
申请号 |
EP19990947886 |
申请日期 |
1999.10.14 |
申请人 |
KABUSHIKIKAISHA UENO SEIYAKU OYO KENKYUJO |
发明人 |
UENO, RYUZO;KITAYAMA, MASAYA;MINAMI, KENJI;KUBOTSU, MASAMITSU |
分类号 |
C07C65/11;C07C69/94;C07C235/66;C09B29/15;C09B29/20;C09B67/22;(IPC1-7):C09B29/20;C09B67/00;C09B67/20;C09D11/00;C09B57/00 |
主分类号 |
C07C65/11 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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