Patent ID: 7297198
Filing Date: 2007-11-20
Classification: C09D

Abstract:
1. An ink for ink-jet recording, comprising a copper phthalocyanine dye and a thiazole-based compound, wherein the copper phthalocyanine dye has a structure represented by the general formula (1): wherein, in the general formula (1), Pc(Cu) represents a copper phthalocyanine nucleus represented by the above general formula (2), wherein, in the general formula (1), k is a number satisfying 0<k<8; l is a number satisfying 0<l<8; m is a number satisfying 0≦m<8; n is a number satisfying 0≦n<8; k, l, m and n satisfy 4≦k+l+m+n≦8; and R wherein about 1 mol % to about 20 mol % of total counter ions in the copper phthalocyanine dye are ammonium ions or organic ammonium ions.