Bleaching compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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8/87, 134/5.4

C11D 3/395 (2006.01) C11D 3/39 (2006.01)

Patent

CA 1302835

BLEACHING COMPOSITIONS ABSTRACT Bleach activator, bleach and detergent compositions comprising: (a) a peroxyacid bleach precursor having the general formula I Ac - L I wherein Ac is the acyl moiety of an organic carboxylic acid comprising an optionally substituted, linear or branched C6-C20 alkyl or alkenyl moiety or a C6-C20 alkyl-substituted aryl moiety and L is a leaving group, the conjugate acid of which has a pKa in the range from 4 to 13, and (b) an antioxidant. The compositions combine excellent stability, substrate-safety, water-dispersibility, granulometry and detergency performance.

561607

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