Title:
PIGMENT COMPOSITION, COLORING AGENT, AND INKJET INK
Document Type and Number:
WIPO Patent Application WO/2023/112375
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing: a pigment composition which is suitable for an inkjet ink, has high dispersion stability, and exhibits excellent storage stability; a coloring agent containing the same; and, in particular, an inkjet-use ink. This pigment composition contains a quinacridone pigment and a compound represented by formula (I). In formula (I), n is an integer between 1 and 8. It is preferable to incorporate at least C.I. Pigment 122 as the quinacridone pigment.
Inventors:
YAMADA SHOGO (JP)
HIGUCHI YUKIKO (JP)
KIMURA AKIRA (JP)
YANG XIA (CN)
ZHAO WEI (CN)
HIGUCHI YUKIKO (JP)
KIMURA AKIRA (JP)
YANG XIA (CN)
ZHAO WEI (CN)
Application Number:
PCT/JP2022/029083
Publication Date:
June 22, 2023
Filing Date:
July 28, 2022
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09B48/00; C09B67/20; C09C3/06; C09D11/322; C09D17/00
Domestic Patent References:
| WO2019202939A1 | 2019-10-24 |
Foreign References:
| JP2008156524A | 2008-07-10 | |||
| JP2005520911A | 2005-07-14 | |||
| JPS61168666A | 1986-07-30 | |||
| JP2011225834A | 2011-11-10 | |||
| JP2001139865A | 2001-05-22 | |||
| US3474020A | 1969-10-21 | |||
| JP2011225834A | 2011-11-10 |
Attorney, Agent or Firm:
ONO Takayuki (JP)
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