Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 3/39 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01)

Patent

CA 2093438

Detergent compositions containing sodium percarbonate bleach are provided in which at least 60 % of the originally added percarbonate remains after 28 days: storage at 32 °C and 80 % RH. The compositions contain at least one multi-ingredient component and have a density in excess of 650 g/litre, a content of Iron. Manganese and Copper less than 25 ppm. an Equilibrium Relative Humidity at 32 °C of less than 30 % and preferably a sodium sulphate content of less than 2.5 % by weight. .

Composition détergente renfermant du percarbonate de sodium, activateur de blanchiment; au moins 60 % du percarbonate ajouté au départ est encore présent après 28 jours d'entreposage à 32 °C et 80 % d'humidité relative. La composition renferme au moins un constituant à ingrédients multiples et possède une masse spécifique supérieure à 650 g/litre, une teneur en fer, manganèse et cuivre, inférieure à 25 ppm, un état d'équilibre à moins de 30 % d'HR et à 32 °C, et enfin une teneur en sulfate de sodium de préférence inférieure à 2,5 % en poids.

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