Bleaching and bluing compositions and method

C - Chemistry – Metallurgy – 09 – B

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C09B 67/20 (2006.01) C11D 3/14 (2006.01) C11D 3/37 (2006.01) C11D 3/395 (2006.01) D06L 3/08 (2006.01)

Patent

CA 1288552

Abstract Liquid bleaching and coloring compositions are provided in which a polymeric matrix stably suspends pigment particles. A preferred composition includes an aqueous solution having sodium hypochlorite in an amount of from about 3.5 wt.% to about 6.2 wt.%, an anionic or nonionic surfactant in an amount of from about 0.02 wt.% to about 5 wt.%, a polymer in an amount of from about 0.4 wt.% to about 0.6 wt.%, and ultramarine blue particles in an amount of from about 0.1 wt.% to 0.2 wt.%, the ultramarine blue particles being stably suspended and dispersed in the aqueous solution via the polymer.

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