Invention Grant
US08236065B2 Azo pigment, process for producing azo pigment, dispersion containing azo pigment, and coloring composition
有权
偶氮颜料，偶氮颜料的制造方法，含有偶氮颜料的分散液和着色组合物
- Patent Title: Azo pigment, process for producing azo pigment, dispersion containing azo pigment, and coloring composition
- Patent Title (中): 偶氮颜料，偶氮颜料的制造方法，含有偶氮颜料的分散液和着色组合物
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Application No.: US13133707Application Date: 2009-12-08
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Publication No.: US08236065B2Publication Date: 2012-08-07
- Inventor: Keiichi Tateishi , Yoshiaki Nagata , Shinya Hayashi
- Applicant: Keiichi Tateishi , Yoshiaki Nagata , Shinya Hayashi
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2008-313753 20081209; JP2009-278056 20091207
- International Application: PCT/JP2009/070510 WO 20091208
- International Announcement: WO2010/067784 WO 20100617
- Main IPC: C09B67/00
- IPC: C09B67/00
Abstract:
There is provided an azo pigment having excellently good color reproducibility, dispersibility, and storage stability of pigment dispersions and having excellent hue and tinctorial strength. An azo pigment represented by the following formula (1) and having characteristic peaks at Bragg angles (20±0.2°) of 7.2°, 13.4°, 15.0° and 25.9° in X-ray diffraction with characteristic Cu Kα line, and a tautomer thereof:
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