申请人:Takasaki Masaru
公开号:US20070070160A1
公开(公告)日:2007-03-29
A coloring composition comprising a dye compound represented by formula (I):
wherein Dye represents a dye structure portion; Q represents —SO—, —SO
2
—, —SO
2
NR
11
—, —CO— or —CONR
12
— in which R
11
and R
12
each independently represents a hydrogen atom or a substituent; W represents a divalent aliphatic group; M represents an ionic group; and m represents an integer of 1 or greater, and wherein the dye compound satisfies conditions 1 and 2:
Condition 1: 2000.5, with the proviso that Mw represents a molecular weight of the dye compound represented by the formula (1); and p represents the total number of ionic hydrophilic groups substituted on the dye compound represented by the formula (1).