C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/00 (2006.01) A47L 15/00 (2006.01) A47L 15/44 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2338710
Composition for use in a water tank in the kitchen or sanitary sector, characterized by a basic composition essentially evolving its function following addition to a first water filling of the water tank, in the form of a tablet and at least one particle, with at least one core, which comprises at least one substance evolving its function essentially following an at least partial emptying of the first water filling from the water tank and the inflow of fresh water and a covering substantially completely surrounding the core or cores comprising at least one compound, whose solubility increases with decreasing concentration of a specific ion in the surrounding medium, the at least one particle being so arranged in or on the tablet that the surface of the particle or particles is at most only partly in direct contact with the surface of the basic composition surrounding the same and the concentration of the specific ion in the local environment of the particle or particles is sufficiently high up to a substantially complete dissolving of the tablet in order to prevent a substantial dissolving of the covering or a substantial detachment of the covering from the core or cores.
L'invention concerne une composition s'utilisant dans un lave-vaisselle, qui se caractérise en ce qu'elle comprend une composition de base qui agit principalement dans cycle de lavage principal du lave-vaisselle, et au moins une particule comportant au moins un noyau qui contient au moins une substance qui agit principalement au cours du cycle de rinçage à l'eau claire du lave-vaisselle, ainsi qu'une enveloppe qui entoure sensiblement entièrement le(s) noyau(x). Cette enveloppe contient au moins un composé dont la solubilité augmente dans le milieu ambiant à mesure que la concentration d'un composé spécifique diminue. Il est prévu des moyens pour éviter, jusqu'au début du cycle de rinçage à l'eau claire, une dissolution conséquente de l'enveloppe ou une séparation conséquente de l'enveloppe par rapport au(x) noyau(x). L'invention concerne en outre des procédés pour le déroulement d'un cycle de lavage de la vaisselle dans un lave-vaisselle, à l'aide de ladite composition.
Carbonell Enric
Hertling Ludwig
Waeschenbach Guido
Wiedemann Ralf
Wolf Natascha
Fetherstonhaugh & Co.
Reckitt Benckiser N.v.
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