Detergent compositions

Details Detergent compositions Detergent compositions

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) C11D 3/386 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2367008

A detergent tablet for fabric washing is compacted from a particulate composition containing detergent active compound, detergency builder, a bleach system comprising coated sodium percarbonate and at least one bleach activator, and optionally other detergent ingredients, where the tablet comprises a plurality of discrete regions, and wherein the bleach activator and the coated sodium percarbonate are concentrated in respective different regions of the tablet. This separation of activator and percarbonate increases the stability of the bleach activator.

L'invention concerne une pastille de détergent utile pour le lavage de tissus, qui est comprimée à partir d'une composition particulaire contenant un composé actif de détergent, un agent anticalcaire de détergence, un système de blanchiment contenant du percarbonate de sodium revêtu et au moins un activateur de blanchiment, et éventuellement d'autres ingrédients de détergent. La pastille comporte plusieurs zones distinctes, et l'activateur de blanchiment et le percarbonate de sodium revêtu sont concentrés dans des zones respectives différentes de la pastille. Cette séparation entre activateur et percarbonate accroît la stabilité de l'activateur de blanchiment.

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