Patent ID: 7731788
Filing Date: 2010-06-08
Classification: C09D

Abstract:
1. An ink set comprising at least a yellow ink composition, a magenta ink composition, and a cyan ink composition: the magenta ink composition containing as a colorant at least one type of compound expressed by the following Formula M-1  wherein in Formula M-1, M represents a hydrogen atom, an ammonium group, or an alkali metal atom, X represents a diaminoalkylene group, and n is either 1 or 2; the yellow ink composition containing as a colorant at least one type of compound expressed by the following formula Y-1  wherein in the formula Y-1, X the cyan ink composition containing as a colorant at least one type of compound selected from the group consisting of compounds or salts thereof expressed by the following Formula C-1  wherein in Formula C-1, X Y a furthermore a 1 through a 4 are independently integers between 0 and 4, but are not all simultaneously 0; b 1 through b 4 are independently integers between 0 and 4; M represents a hydrogen atom, a metal atom or oxide thereof, a hydroxide, or a halide; with the proviso that, at least one of X