Title:
PIGMENT-CONTAINING COMPOSITION, AND INK USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/171797
Kind Code:
A1
Abstract:
Provided are: a pigment-containing composition capable of suppressing pigment fading by inhibiting pigment degradation; and an ink using said composition. The pigment-containing composition comprises: a pigment capable of absorbing or emitting light having a wavelength of 380 nm-2,500 nm; and a compound (A) including a structure represented by general formula (I). (In general formula (I), R1 and R2 each independently represent any one among a hydrogen atom, an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, an alkenyl group having 2-6 carbon atoms, an aryl group having 6-20 carbon atoms, and an aralkyl group having 7-20 carbon atoms. R3 and R4 each independently represent any one among a hydrogen atom, an alkyl group having 1-6 carbon atoms, an alkoxy group having 1-6 carbon atoms, an alkenyl group having 2-6 carbon atoms, an alkenyloxy group having 2-6 carbon atoms, an aryl group having 6-20 carbon atoms, and an aralkyl group having 7-20 carbon atoms.)
Inventors:
NISHIJIMA YUUKI (JP)
FUKUMOTO TAKASHI (JP)
FUKUMOTO TAKASHI (JP)
Application Number:
PCT/JP2023/009320
Publication Date:
September 14, 2023
Filing Date:
March 10, 2023
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
C07C43/15; C07B61/00; C07C43/178; C09B7/02; C09B29/08; C09B29/15; C09B67/00; C09B67/44; C09B67/46; C09D11/00; C09D17/00
Domestic Patent References:
| WO2022030368A1 | 2022-02-10 |
Foreign References:
| JP2008184546A | 2008-08-14 | |||
| JP2018123244A | 2018-08-09 | |||
| JP6970324B1 | 2021-11-24 | |||
| JPS51143035A | 1976-12-09 | |||
| JPH02273584A | 1990-11-08 | |||
| JPH09268112A | 1997-10-14 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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