Patent ID: 6409810
Filing Date: 2002-06-25
Classification: C09B,C09D

Abstract:
A trisazo compound or a salt thereof, wherein said compound is represented by the following general formula (1): whereinA is a group of the general formula (2) or (3): wherein R1 and R2 are each independently amino, sulfo, (C1-C2)alkyl, (C1-C2)alkoxy, or (C2-C4)alkanoylamino, R3 is hydrogen or (C1-C2)alkoxy, and R4 is hydrogen or sulfo; B is a group represented by the general formula (4): wherein R5, R6 and R7 are each independently hydrogen, hydroxyl, amino, carboxyl, (C1-C2)alkoxy, (C1-C2)alkylamino optionally substituted with hydroxy, (C2-C3)alkanoylamino or sulfo; and m is 0 or 1.