Oxidant composition containing stable bleach activator granules

C - Chemistry – Metallurgy – 11 – D

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C11D 3/39 (2006.01) D06L 3/02 (2006.01)

Patent

CA 2062702

The present invention provides stable bleach activator granules comprising: a) a peroxygen bleach activator having the structure: (See Formula I) wherein R is C1-20 branched or straight chain alkyl, alkoxylated alkyl, cycloalkyl, alkenyl, aryl, substituted aryl, alkylaryl; R' and R" are independently H, C1-4 alkyl, aryl; and L is a leaving group; b) a pliable binding material selected from materials having a melting completion temperature of greater than about 40°C; and c) a solubilizing aid selected from the group consisting of magnesium sulfate, alkali aryl sulfonate, polyvinyl pyrrolidone or mixtures thereof. The invention can also include additional stiffeners, such as calcium or magnesium silicate, or silica.

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