发明公开
- 专利标题: Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
- 专利标题(中): 喷墨记录方法,墨盒,记录单元和喷墨记录装置
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申请号: EP08158847.7申请日: 2008-06-24
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公开(公告)号: EP2011841A3公开(公告)日: 2011-01-05
- 发明人: Mafune, Kumiko , Yamashita, Tomohiro , Yoshizawa, Jun
- 申请人: Canon Kabushiki Kaisha
- 申请人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo 146-8501 JP
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: 30-2 Shimomaruko 3-chome Ohta-ku Tokyo 146-8501 JP
- 代理机构: TBK-Patent
- 优先权: JP2007177459 20070705; JP2008142279 20080530
- 主分类号: C09D11/00
- IPC分类号: C09D11/00
摘要:
Provided is a black ink which provides an image with excellent color tone, little color tone change after a light fastness test and excellent balance of color tone change and light fastness. The black ink further provides an image with a gradation property having a color tone close to a neutral color tone even before and after a light fastness test. The ink contains at least a compound represented by the general formula (I) as a first coloring material, a compound represented by the general formula (II) as a second coloring material and a compound represented by the general formula (III) as a third coloring material.
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