Patent ID: 8900359
Filing Date: 2014-12-02
Classification: B41J,C09D

Abstract:
1. An ink comprising a plurality of organic pigments having hues forming an angle of 10 degrees or more with one another, wherein the bronze value B calculated by Formula 1 described below is 0.0 or more, and 12.0 or less, the saturation value C calculated by Formula 2 described below is 65.0 or more, and the 20-degree gloss value GB is 30.0 or more with respect to a predetermined recorded image recorded by the ink wherein Xx 45 , Yx 45 , and Zx 45 are tristimulus values of reflected light of illumination in the direction of specular reflection, the illumination is in the direction of an angle of 45 degrees to a normal to the image, Xs 45 , Ys 45 , and Zs 45 are tristimulus values of illumination light under the same condition of the illumination, and these tristimulus values satisfy the following formulas: wherein Xx 0 , Yx 0 , and Zx 0 are tristimulus values of reflected light of illumination in the direction of a normal to the image, the illumination is in the direction of an angle of 45 degrees to the normal, Xs 0 , Ys 0 , and Zs 0 are tristimulus values of illumination light under the same condition of the illumination, and these tristimulus values satisfy the following formulas: wherein the plurality of organic pigments are two types of pigments of a pigment A and a pigment B, and with respect to individual predetermined recorded images recorded by a first control ink containing only the pigment A as a coloring material and a second control ink containing only the pigment B as a coloring material, the relationships B