发明授权
US5976233A Water-based pigment ink, and ink-jet recording method and instruments
using the same
失效
水性颜料墨水，喷墨记录方法及使用其的仪器
- 专利标题： Water-based pigment ink, and ink-jet recording method and instruments using the same
- 专利标题（中）： 水性颜料墨水，喷墨记录方法及使用其的仪器
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申请号： US966521申请日： 1997-11-10
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公开(公告)号： US5976233A公开(公告)日： 1999-11-02
- 发明人: Koichi Osumi , Yoshifumi Hattori , Yoshihisa Takizawa , Ryuji Katsuragi , Hisashi Teraoka
- 申请人： Koichi Osumi , Yoshifumi Hattori , Yoshihisa Takizawa , Ryuji Katsuragi , Hisashi Teraoka
- 申请人地址： JPX 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： JPX Tokyo
- 优先权： JPX8-315673 19961113
- 主分类号： C09D11/00
- IPC分类号： C09D11/00 ; C09D11/02
摘要：
Disclosed herein is a water-based pigment ink comprising a coloring material composed of self-dispersing carbon black obtained by bonding at least one hydrophilic group directly or through another atomic group to the surface of carbon black, a humectant of the general formulaH--(CH.sub.2).sub.m --C--((CH.sub.2).sub.n OH).sub.3wherein m and n are independently an integer of from 1 to 5, and an aqueous medium composed of water and a water-soluble organic solvent.
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