Detergent compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 17/00 (2006.01) C11D 3/06 (2006.01) C11D 3/20 (2006.01)

Patent

CA 2350467

A detergent tablet of compressed particulate composition, and a process of making such a tablet, wherein the tablet or a region thereof comprises organic detergent and detergency builder and the tablet or region thereof is compacted from a composition which contains: (A) particles containing at least 60 % by weight of non-soap anionic detergent; (B) particles containing at least 80 % of their own weight of one or more water-soluble materials selected from compounds with a water-solubility exceeding 50 grams per 100 grams water at 20 ~C; and sodium tripolyphosphate containing at least 50 % of its own weight of the phase I anhydrous form.

L'invention comprend un comprimé détergent constitué d'une composition particulaire comprimée. L'invention traite également d'un procédé de fabrication dudit comprimé. Ce dernier, ou une zone de ce dernier, comprend un détergent organique et un adjuvant des propriétés détergentes. Le comprimé ou une partie de ce dernier est compacté à partir d'une composition renfermant (A) des particules contenant au moins 60 % en poids de détergent anionique sans savon, (B) des particules contenant au moins 80 % en poids de un ou plusieurs matériaux solubles à l'eau sélectionnés parmi des composés dont la solubilité à l'eau est supérieure à 50 grammes pour 100 grammes d'eau à 20 ·C ; et du sodium tripolyphosphate contenant au moins 50 %, de son propre poids, de la forme anhydre de phase I.

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