Title:
COUMARIN COMPOUND OR SALT THEREOF, AND PIGMENT COMPOSITION CONTAINING THE SAME
Document Type and Number:
Japanese Patent JP2017203101
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a stable composition as a colorant of a resist for color filters and the like, wherein a pigment composition containing an organic pigment is atomized and increased in concentrations without aggregation, sedimentation, or increased viscosity with time.SOLUTION: The present invention provides a coumarin compound having a structure represented by formula (1) or a salt thereof (n is an integer of 1-3; Rand Rindependently represent H or a C1-4 alkyl group; R-Rindependently represent H, a C1-4 alkyl group or a halogen atom; M is H, an alkali metal atom, an alkaline earth metal atom or the like; X and Y independently represent O, S or -NR-; Ris H or a C1-4 alkyl group).SELECTED DRAWING: None
Inventors:
YOSHIMOTO TAKASHI
Application Number:
JP2016095311A
Publication Date:
November 16, 2017
Filing Date:
May 11, 2016
Export Citation:
Assignee:
NIPPON KAYAKU KK
International Classes:
C09B57/02; C09B67/20; C09B67/46; C09D11/326; C09D17/00; G02B5/20