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
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