Patent ID: 7981204
Filing Date: 2011-07-19
Classification: B41M,C07D,C09B,C09D,Y10T

Abstract:
1. A porphyrazine coloring matter represented by the following formula (1) or a salt thereof: wherein, the rings A, B, C and D shown by broken lines each independently represent a 6-membered ring having aromaticity, at least 1.0 of said four rings A to D is a benzene ring, and at least 0.5 of the rest is a nitrogen-containing heteroaromatic ring, when shown as an average value; E represents an alkylene group; X and Y are each independently an anilino group having 1 to 3 carboxy groups; and b is 0 to 3.4, c is 0.1 to 3.5, and the sum of b and c is 1.0 to 3.5, when shown as an average value.