AZO COMPOUND, AQUEOUS DYE SOLUTIONS CONTAINING THE SAME, INKS AND USE THEREOF |
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| 申请号 | EP04788293 | 申请日 | 2004-09-29 | 公开(公告)号 | EP1669413A4 | 公开(公告)日 | 2007-12-26 |
| 申请人 | NIPPON KAYAKU KK; | 发明人 | KITAYAMA H; SHIRASAKI YASUO; MATSUI TAKAHIKO; OHNO HIROAKI; | ||||
| 摘要 | 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 moistureproofness, 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 contaminant copper ions of 100ppm or below or salts thereof; and inks containing the same. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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