发明授权
US07977408B2 Recording ink, ink set, ink cartridge, ink record, inkjet recording apparatus and inkjet recording method
有权
记录墨水，墨水组合，墨盒，墨水记录，喷墨记录装置和喷墨记录方法
- 专利标题： Recording ink, ink set, ink cartridge, ink record, inkjet recording apparatus and inkjet recording method
- 专利标题（中）： 记录墨水，墨水组合，墨盒，墨水记录，喷墨记录装置和喷墨记录方法
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申请号： US11815512申请日： 2006-02-02
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公开(公告)号： US07977408B2公开(公告)日： 2011-07-12
- 发明人: Akihiko Matsuyama , Masanori Hirano , Hiroshi Adachi
- 申请人： Akihiko Matsuyama , Masanori Hirano , Hiroshi Adachi
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2005-029382 20050204; JP2005-283101 20050928
- 国际申请： PCT/JP2006/302199 WO 20060202
- 国际公布： WO2006/083000 WO 20060810
- 主分类号： C09D11/10
- IPC分类号： C09D11/10
摘要：
It is an object of the present invention to provide a recording ink which contains at least a pigment, a dispersant, a water-soluble solvent, a wetting agent and water, wherein the pigment contains at least one of diketopyrrolopyrrole red pigment and phthalocyanine green pigment in order to obtain a recording ink and ink set which excel in discharge stability with no head clogging during printing and can obtain high quality images with good color tone on the regular paper as well as on an exclusive recording paper; and ink cartridge, ink record, inkjet recording apparatus and inkjet recording method which utilize the recording ink and ink set respectively.
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