发明授权
US07854798B2 Ink set, image forming method, ink jet recording method, ink cartridge, and recording unit
有权
油墨组,成像方法,喷墨记录方法,墨盒和记录单元
- 专利标题: Ink set, image forming method, ink jet recording method, ink cartridge, and recording unit
- 专利标题(中): 油墨组,成像方法,喷墨记录方法,墨盒和记录单元
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申请号: US11722627申请日: 2006-03-10
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公开(公告)号: US07854798B2公开(公告)日: 2010-12-21
- 发明人: Masako Udagawa , Hirofumi Ichinose , Kouhei Nakagawa , Hideki Takayama , Shinichi Hakamada
- 申请人: Masako Udagawa , Hirofumi Ichinose , Kouhei Nakagawa , Hideki Takayama , Shinichi Hakamada
- 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: JP2005-069839 20050311
- 国际申请: PCT/JP2006/305310 WO 20060310
- 国际公布: WO2006/095930 WO 20060914
- 主分类号: C09D11/02
- IPC分类号: C09D11/02 ; B41J2/01
摘要:
An object of the present invention is to provide an ink set which can produce images with color developability undoubtedly higher than images produced by a conventional pigment ink and closer to images produced by silver halide photography or output from a laser printer, in particular, color developability in a red color region, while keeping ink reliability. The ink set comprises at least a first ink and a second ink wherein the first ink has a maximum absorption wavelength in a region of 450 nm or more and less than 500 nm and the second ink has a maximum absorption wavelength in a region of 500 nm or more and 570 nm or less, and the ink set has a B/A ratio of a minimum absorbance B to a maximum absorbance A of 0.7 or more and 1.0 or less among absorbances of the first ink and the second ink in total in a region of 450 nm or more and 570 nm or less.
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