Patent ID: 8496745
Filing Date: 2013-07-30
Classification: C09B,C09D

Abstract:
1. An ink comprising: a first coloring material; a second coloring material; and a third coloring material, wherein the first coloring material is a compound represented by the following general formula (BkI-1), the second coloring material is a compound different from the first coloring material and is represented by the following general formula (BkII-1) or (BkIII-1), and the third coloring material is a compound represented by the following general formula (Y-1): wherein A represents an aromatic or heterocyclic group which may be substituted, Mo each independently represents a hydrogen atom, an alkali metal, ammonium, or an organic ammonium; and B represents any one of the groups represented by the following general formulae (1) to (5): wherein R wherein G R X Y M wherein A G R Y Y M wherein R R R X n Ar Ar