Invention Grant
US08454710B2 Process for producing azo compounds, pigment dispersion, coloring composition, ink for inkjet recording, coloring composition for color filter, and color filter
有权
用于制备偶氮化合物，颜料分散体，着色组合物，用于喷墨记录的油墨，滤色器用着色组合物和滤色器的方法
- Patent Title: Process for producing azo compounds, pigment dispersion, coloring composition, ink for inkjet recording, coloring composition for color filter, and color filter
- Patent Title (中): 用于制备偶氮化合物，颜料分散体，着色组合物，用于喷墨记录的油墨，滤色器用着色组合物和滤色器的方法
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Application No.: US13522276Application Date: 2011-01-14
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Publication No.: US08454710B2Publication Date: 2013-06-04
- Inventor: Masahiro Higashi , Nobuo Seto , Yoshihiro Jimbo , Keiichi Tateishi
- Applicant: Masahiro Higashi , Nobuo Seto , Yoshihiro Jimbo , Keiichi Tateishi
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2010-007533 20100115
- International Application: PCT/JP2011/051026 WO 20110114
- International Announcement: WO2011/087147 WO 20110721
- Main IPC: C09B67/22
- IPC: C09B67/22 ; C09D11/02
Abstract:
To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording. process for producing, for example, an azo pigment represented by the general formula (9), which includes a step of preparing a solution containing a compound represented by the following general formula (7) and an acid, and a step of bringing the solution in contact with a diazonium salt (8) derived from a heterocyclic amine,
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