C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/26 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 7/08 (2006.01)
Patent
CA 2573146
This invention relates to a method of removing and preventing the deposition of hard water scale in a clothes washing machine. In particular the method relates to the removal of and prevention of scale build up after the main wash of a clothes washing machine. The invention involves the addition of a buffered composition of pH 1-6 into the rinse cycle of the clothes washing machine. The invention also relates to water-softening compositions for such methods.
L'invention concerne un procédé d'élimination de prévention du dépôt de tarte d'eau dure dans une machine à laver le linge. Le procédé se rapporte notamment à la suppression et à la prévention de l'entartrage après le lavage principal d'une machine à laver le linge. L'invention consiste à ajouter une composition tamponnée présentant un pH compris entre 1 et 6 dans le cycle de rinçage de ladite machine à laver le linge. L'invention se rapporte également à des compositions adoucissant l'eau à utiliser dans lesdits procédés.
Fetherstonhaugh & Co.
Reckitt Benckiser N.v.
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