Patent ID: 6551390
Filing Date: 2003-04-22
Classification: C09B,C09D,Y10T

Abstract:
A composition comprising:(a) a dye of the Formula (1) or a salt thereof; and (b) a dye of the Formula (2) or a salt thereof: â€ƒwherein: R1, R2, R9 and R10 each independently is H or C1-4-alkyl; and R3, R4, R5 and R6 each independently is H, C1-4-alkyl, C1-4-hydroxyalkyl, C1-4-alkoxy or halo; R7 and R8 together with the nitrogen to which they are attached form a 5- or 6-membered ring; and a and b each independently is 1 or 2.