| abstract |
PROBLEM TO BE SOLVED: To provide an ink-jet ink composition having high chroma and light fastness, and a method for preparing and using the same. According to one aspect of the present invention, an ink composition may include, in an ink vehicle, a mixture of an effective amount of a rhodamine dye and an effective amount of a metal-containing magenta dye. In accordance with another aspect of the present invention, images produced using the ink compositions of the present invention achieve a saturation of at least about 57 and a lightfastness of at least about 5.7 years. |