Title:
アゾ顔料組成物及びその製造方法
Document Type and Number:
Japanese Patent JP7401041
Kind Code:
B2
Abstract:
To provide an azo pigment composition that can improve the brightness and contrast of a color filter, and the printing concentration (color development) of printed matter by inkjet, and a method for producing the same.SOLUTION: The present invention provides a method for adding, when producing an azo pigment that is a reaction product between a base represented by formula (1) and a coupler represented by formula (2), a dissimilar base and a dissimilar coupler (in formula (1), R1 is R3-NH-C(=O)-, R2 is a halogen atom or the like, R3 is a hydrogen atom or the like; in formula (2), R5 is a hydrogen atom or the like).SELECTED DRAWING: None
Inventors:
Takayuki Modification
Yasuhiro Kawai
Kenta Yamaji
Hiroshi Funakoshi
Yasuhiro Kawai
Kenta Yamaji
Hiroshi Funakoshi
Application Number:
JP2019231289A
Publication Date:
December 19, 2023
Filing Date:
December 23, 2019
Export Citation:
Assignee:
Sanyo Pigment Co., Ltd.
International Classes:
C09B67/20; C09B29/15; C09B29/20; C09B67/04
Domestic Patent References:
| JP2010195906A | ||||
| JP2000248191A | ||||
| JP2016108450A | ||||
| JP2018172449A | ||||
| JP2010047748A |
Foreign References:
| WO1999061534A1 |
Attorney, Agent or Firm:
Takao Yagino
Yoshihide Yanagino
Norio Morioka
Hisayoshi Sekiguchi
Masato Nakagawa
Yoshihide Yanagino
Norio Morioka
Hisayoshi Sekiguchi
Masato Nakagawa