Patent ID: 7758683
Filing Date: 2010-07-20
Classification: C09D

Abstract:
1. An ink composition, which comprises: at least two kinds of water-soluble dyes each having the maximum wavelength of an absorption spectrum in an aqueous solvent of from 550 to 700 nm, wherein the at least two kinds of water-soluble dyes include: at least one selected from the group consisting of a compound represented by formula (L-1) and a salt of the compound represented by formula (L-1); and at least one compound having a naphthalene ring substituted with at least one hydroxyl group and three or more azo groups: wherein A and B each independently represents an aromatic group that may be substituted or a heterocyclic group that may be substituted, and A is a monovalent group and B is a divalent group; T V R