C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 11/00 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 3/22 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2452962
Improved hard surface cleaning compositions having an acidic pH provide good removal of soap scum stains. Compositions of the present invention comprise an acidic constituent which comprises either citric acid alone or citric acid in combination with an acid selected from the group consisting of sorbic acid, acetic acid, boric acid, formic acid, maleic acid, adipic acid, lactic acid, malic acid, malonic acid, glycolic acid, and mixtures thereof; 0.001 - 10 % by weight of at least one anionic surfactant; 0.001 - 5 % by weight of a thickener selected from the group consisting of cellulose, alkyl celluloses, alkoxy celluloses, hydroxy alkyl celluloses, alkyl hydroxy alkyl celluloses, carboxy alkyl celluloses, carboxy alkyl hydroxy alkyl celluloses, xanthan gum, and mixtures thereof; 0 - 10 % by weight of one or more optional constituents; and the balance to 100 % by weight, water; wherein the aqueous hard surface cleaning composition exhibits a pH of 6.0 or less.
L'invention concerne des compositions de nettoyage améliorées pour surface dure, à pH acide, qui permettent d'éliminer efficacement les marques de mousse de savon. Lesdites compositions renferment un élément acide qui comprend de l'acide citrique seul ou en combinaison avec un acide pouvant appartenir au groupe constitué par acide sorbique, acide acétique, acide borique, acide formique, acide maléique, acide adipique, acide lactique, acide malique, malonique, acide glycolique, et leurs mélanges; 0,001-10 %, en poids, d'au moins un tensioactif anionique; 0,001-5 %, en poids, d'un épaississant pouvant appartenir au groupe constitué par cellulose, alkyl celluloses, alcoxy celluloses, hydroxy alkyl celluloses, alkyl hydroxy alkyl celluloses, carboxy alkyl celluloses, carboxy alkyl hydroxy alkyl celluloses, gomme de xanthane, et leurs mélanges; 0-10 %, en poids, d'un ou plusieurs éléments facultatifs; et de l'eau pour le reste, sur 100 %, en poids. Ce type de composition présente un pH inférieur ou égal à 6.
Cheung Tak Wai
Costa Benjamin
Fetherstonhaugh & Co.
Reckitt Benckiser Inc.
Reckitt Benckiser Llc
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