发明授权
US07618484B2 Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
有权
喷墨油墨，喷墨记录方法，墨盒，记录单元和喷墨记录装置
- 专利标题： Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
- 专利标题（中）： 喷墨油墨，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： US12107414申请日： 2008-04-22
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公开(公告)号： US07618484B2公开(公告)日： 2009-11-17
- 发明人: Kuniaki Fujimoto , Jun Yoshizawa , Minako Kawabe , Daiji Okamura
- 申请人： Kuniaki Fujimoto , Jun Yoshizawa , Minako Kawabe , Daiji Okamura
- 申请人地址： JP Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JP Tokyo
- 代理机构： Fitzpatrick, Cella, Harper & Scinto
- 优先权： JP2007-120475 20070501; JP2008-107005 20080416
- 主分类号： C09D11/02
- IPC分类号： C09D11/02 ; B41J2/01
摘要：
The present invention provides an ink jet ink having a magenta color which gives an image excellent in magenta color tone and also excellent in image fastness (lightfastness and gas resistance). The ink jet ink includes a first coloring material that is an anthrapyridone compound having a structure represented by general formula (I) and/or general formula (II) and a second coloring material that is an azo compound having a structure represented by general formula (III), wherein the mass ratio of the content of the first coloring material to the content of the second coloring material is from 2.5 or more to 10.0 or less.
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