Patent ID: 7704287
Filing Date: 2010-04-27
Classification: C09B

Abstract:
1. A reactive red dye composition comprising: (A) 60% to 90% by weight of a reactive azo dye of the following formula (I), wherein W is H, —CH D wherein (R 1 ) 0˜3 each independently is 0 to 3 substituents, which can be the same or different, selected from the group consisting of: halogen, carboxyl, sulfo, —C 1-4 alkyl, and —C 1-4 alkoxyl; Q is —NH—CO—CH(Hal)—CH Hal is halogen; and (B) 40% to 10% by weight of a reactive azo dye of the following formula (II), wherein R is H or carboxyl group; X is H or wherein R 2 and R 3 each independently is selected from the group consisting of: H, methyl, —OCH 3 , —OC 2 H 5 , —SO 3 H, —Cl and —SO 2 Y, wherein Y is defined the same as the above; Z is H, —CH D (R 1 ) 0˜3 and Q are defined the same as the above.