| abstract |
(57) [Summary] [Structure] In the form of the free acid, the formula: In the formula, V and W represent, for example, CH 3 or C 2 H 5 , X and X 1 represent SO 3 H or COOH, Y and Y 1 represent NH 2 or OH, and Z and Z 1 are C A printing ink comprising at least one dye corresponding to H 3 or COOH. The printing inks according to the invention are suitable for printing on most different carrier materials, in particular by ink jet recording systems. |