Konzentrierte flüssige Zusammensetzung Salzbildender Farbstoffe und Tinten

摘要

The present invention provides a novel salt-forming type dye represented by the formula: [wherein D is-a residue of a monoazo or disazo dye, m is an integer of 1 to 3, n is an integer of 1 to 4, and M<+> is a cation selected from the group consisting of cations represented by the formulas: (wherein R<1>, R<2>, R<3> and R<4> are the same or different and indicate hydrogen, an alkyl group, an alkoxyalkyl group, a cyclohexyl group, an aralkyl group or a hydroxyalkyl group, and at least one of R<1> to R<4> is a blanched or non-branched alkyl, alkoxyalkyl, cycloalkyl, aralkyl or polyoxyalkylene group having not less than 4 carbon atoms), (wherein R<5>, R<6>, R<7> and R<8> are the same or different and indicate hydrogen, an alkyl group, or a substituted or non-substituted phenyl group, and at least one of R<5> to R<8> is a substituted or non-substituted phenyl group), and (wherein R<9> and R<1><0> are the same or different and indicate hydrogen or an alkyl group, a is an integer of not less than 3, and both R<9> and R<1><0> are not hydrogen)], and a process for producing the same. A concentrated solution composition and an ink composition are also disclosed.