Bleaching and brightening composition and method

Details Bleaching and brightening composition and method Bleaching and brightening composition and method

C - Chemistry, Metallurgy

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C11D 3/395 (2006.01) C11D 1/02 (2006.01) C11D 1/66 (2006.01) C11D 3/14 (2006.01) C11D 3/37 (2006.01) C11D 3/42 (2006.01) C11D 7/26 (2006.01)

Patent

CA 1290907

Abstract Liquid bleaching and brightening compositions are provided in which a polymeric matrix stably suspends a fluorescent whitening agent, and, optionally, pigment particles. A particularly preferred composition in- cludes 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 0.03 wt.% to about 0.3 wt.%, a polymer in an amount of from about 0.3 wt.% to about 2.0 wt.%, a fluorescent whitening agent in an amount of from about 0.01 wt.% to about 0.2 wt.%, and, if desired, ultramarine blue particles in an amount of from about 0.01 wt.% to 0.2 wt.%, the fluorescent whitening agent and ultramarine blue parti- cles being stably suspended and dispersed in the aqueous solution via the polymer.

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