发明名称 Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
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.
申请公布号 US7618484(B2) 申请公布日期 2009.11.17
申请号 US20080107414 申请日期 2008.04.22
申请人 CANON KABUSHIKI KAISHA 发明人 FUJIMOTO KUNIAKI;YOSHIZAWA JUN;KAWABE MINAKO;OKAMURA DAIJI
分类号 C09D11/02;B41J2/01 主分类号 C09D11/02
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