Patent ID: 6566320
Filing Date: 2003-05-20
Classification: C11D

Abstract:
A bleaching composition comprising a bleaching agent, a chromotropic compound having the general formula: whereinR1 is selected from hydrogen, a linear or branched alkyl group comprising 1-6 carbon atoms, or an aryl group comprising 6-10 carbon atoms; R2 is a linear or branched alkyl group comprising 1-6 carbon atoms or an aryl group comprising 6-10 carbon atoms; R3 is hydrogen or a linear branched alkyl group comprising 1-6 carbon atoms; R4 is selected from hydrogen or a linear branched alkyl group comprising 1-6 carbon atoms; Râ€² is a linear or branched alkyl group comprising 1-6 carbon atoms; W is a linear or branched alkyl group comprising 1-6 carbon atoms, an aryl group comprising 6-10 carbon atoms or an electron withdrawing group; n is 0, 1 or 2, but if n is 2 then each W may be the same or different from one another; m is 0, 1, 2 or 3, but if m is 2 or 3 then each Râ€² may be the same or different from one another; q is 1 or 2, if q is 2 then each R1 and R2 may be the same or different from one another; p is 0, 1 or 2, if p is 2 each R3 and R4 may be the same or different from one another or a salt thereof a material selected from the group consisting of surfactants, chelating agents, brightener, antioxidants, builders, bleach activators, soil suspenders, soil suspending polyamine polymers, polymeric soil release agents, dye transfer agents, solvents, and mixtures thereof.