Title:
COLORING COMPOSITION CONTAINING AZO COMPOUND, COLORANT FOR COLOR FILTERS AND COLOR FILTER
Document Type and Number:
Japanese Patent JP2020033458
Kind Code:
A
Abstract:
To provide an azo compound having excellent color development (color gamut, brightness, contrast or the like) and excellent heat resistance.SOLUTION: The present invention provides an azo compound represented by general formula (1) [Rand Reach independently represent H, a substituted/unsubstituted C1-20 alkyl group and may be bound to each other to form a ring. R-Reach independently represent H, a halogen atom, a hydroxy group, a nitro group, a cyano group, a carboxylic acid group, a sulfonic acid group or the like; x, y and z each denote an integer of 0-4; in the case of an integer of 2-4, R, Ror Rmay be the same or different or adjacent groups may be bound to each other to form a ring].SELECTED DRAWING: Figure 1
Inventors:
KIM JIYOUNG
KIM HAKKYU
GOTO YOHEI
KANDA DAIZO
AOKI YOSHIKAZU
KIM HAKKYU
GOTO YOHEI
KANDA DAIZO
AOKI YOSHIKAZU
Application Number:
JP2018161147A
Publication Date:
March 05, 2020
Filing Date:
August 30, 2018
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD
International Classes:
C09B29/20; C09B67/20; G02B5/20
Domestic Patent References:
| JP2018529785A | 2018-10-11 | |||
| JP2018002788A | 2018-01-11 | |||
| JP2012121983A | 2012-06-28 | |||
| JP2012068613A | 2012-04-05 | |||
| JPS5842658A | 1983-03-12 |
Foreign References:
| FR2029341A1 | 1970-10-23 |