| 发明名称 |
AZO COMPOUND, AQUEOUS DYE SOLUTIONS CONTAINING THE SAME, INKS AND USE THEREOF |
| 摘要 |
<p>An azo compound which is reduced in the copper ion content and exhibits hue and clarity suitable for ink-jet recording and which can give records having excellent light fastness, water resistance, and moisture proofness, and such ozone resistance as to control the fading and the discoloration; and water-base yellow inks containing the same. In particular, the azo compound represented by the formula (12) having a content of impurity copper ions of 100 ppm or below or salts thereof; and inks containing the same.</p> |
| 申请公布号 |
EP1669413(A1) |
申请公布日期 |
2006.06.14 |
| 申请号 |
EP20040788293 |
申请日期 |
2004.09.29 |
| 申请人 |
NIPPON KAYAKU KABUSHIKI KAISHA |
发明人 |
KITAYAMA, H.;SHIRASAKI, YASUO;MATSUI, TAKAHIKO;OHNO, HIROAKI |
| 分类号 |
C09B56/08;B41J2/01;B41M5/00;B41M5/50;B41M5/52;C07D249/06;C07D249/20;C07D251/70;C09B43/00;C09B43/06;C09B56/04;C09B67/20;C09B67/26;C09B67/44;C09D11/00;C09D11/328;(IPC1-7):C09B56/08 |
主分类号 |
C09B56/08 |
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