Laundry treatment compositions with lamellar visual cues

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 17/06 (2006.01) C11D 3/40 (2006.01) C11D 3/50 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2686494

A laundry treatment composition comprising a laundry treatment base and from 0.01 to 10 wt% of contrastingly coloured concave lamellar film particles which have a planar surface and a planar periphery and wherein: a) the periphery is shaped so that at least one straight line drawn through the planar surface intersects the periphery at more than two places; b) the concave lamellar film particles may be tiled; c) the concave lamellar film particles contrast in colour with the laundry treatment base whereby the concave lamellar film particles function as visual cues.

La présente invention concerne une composition de traitement du linge contenant une base de traitement du linge et de 0,01 à 10 % en poids de particules de film lamellaires concaves colorées de manière contrastée qui présentent une surface plane et une périphérie plane et où : a) la périphérie est formée de telle sorte qu'au moins une ligne droite tirée sur la surface plane croise la périphérie à plus de deux endroits ; b) les particules de film lamellaires concaves peuvent être quadrillées ; c) les particules de film lamellaires concaves contrastent sur le plan de la couleur avec la base de traitement du linge, ce par quoi les particules de film lamellaires concaves fonctionnent en tant que repères visuels.

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