Cleaning compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 17/00 (2006.01) C11D 3/06 (2006.01) C11D 3/22 (2006.01)

Patent

CA 2385296

The invention provides a tablet of compacted particulate cleaning composition containing at least one cleaning ingredient which is selected from the group consisting of organic surfactants, water softening agents and bleaches, wherein a water-swellable, water-insoluble disintegration-promoting material is present at a greater concentration in at least one zone adjacent a tablet surface than in an interior zone which is more remote from any surface of the tablet. A method of producing the tablet is also provided. The tablets exhibit an advantageous balance of strength and good disintegration properties.

La présente invention porte sur une pastille constituée d'une composition de nettoyage particulaire compactée, contenant au moins un agent de nettoyage qui est choisi dans le groupe constitué par les surfactants organiques, les agents adoucisseurs d'eau et agents de blanchiment. La pastille contient une matière facilitant la désagrégation pouvant gonfler dans l'eau et insoluble dans l'eau, en concentration importante dans au moins une zone adjacente à une surface de la pastille que dans une zone intérieure qui est plus éloignée de n'importe quelle surface de la pastille. Cette invention concerne également un procédé de production desdites pastilles. Les pastilles présentent un équilibre avantageux entre la résistance et les remarquables propriétés de désintégration.

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