Title:
COLORANT
Document Type and Number:
WIPO Patent Application WO/2024/058102
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a colorant capable of producing a coating film having enhanced green spectral characteristics. The colorant of the present invention contains a compound represented by formula (I) and is characterized in that the ratio of the number of groups represented by formula (T-2) to the number of Al atoms in the compound represented by formula (I) in the colorant is from 0.1 to 3. [In formula (I), R1 and R2 each independently represent a hydrogen atom, a hydroxy group, -R13, or -O-R13. When at least one of R1 and R2 represents -R13 or -O-R13, R1 and R2 may bond to each other to form a ring. Ring T1, ring T2, ring T3, and ring T4 each independently represent a group represented by formula (T-1) or formula (T-2).]
Inventors:
HARA NAOFUMI (JP)
TAKAISHI YU (JP)
NAKAYAMA TOMOHIRO (JP)
TAKAISHI YU (JP)
NAKAYAMA TOMOHIRO (JP)
Application Number:
PCT/JP2023/032995
Publication Date:
March 21, 2024
Filing Date:
September 11, 2023
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C09B47/00; C08F2/44; C08K5/00; C08K5/3417; C08L101/00; G02B5/20; H05B33/12; H10K50/10
Domestic Patent References:
| WO2022024926A1 | 2022-02-03 |
Foreign References:
| JP2022123689A | 2022-08-24 | |||
| JP2022072558A | 2022-05-17 | |||
| JP2013171063A | 2013-09-02 | |||
| JP2018154792A | 2018-10-04 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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