AZO PIGMENTS, PROCESS FOR PRODUCING THE AZO PIGMENTS, AND PIGMENT DISPERSION, COLORING COMPOSITION AND INK FOR INKJET RECORDING CONTAINING THE PIGMENT
申请人:Tateishi Keiichi
公开号:US20110030583A1
公开(公告)日:2011-02-10
An azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof:
wherein each of R
1
, R
2
, P
1
, P
2
, Q
1
, and Q
2
independently represents a hydrogen atom or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 4, each of Het-1 and Het-2 independently represents a group selected from specific aromatic heterocyclic groups.