Acidic cleaning compositions

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 1/75 (2006.01) C11D 1/835 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 3/30 (2006.01) C11D 7/08 (2006.01) C11D 1/40 (2006.01)

Patent

CA 2255722

The present invention is a liquid acidic composition comprising an acid, and a surfactant system comprising from 0.01 % to 10 % by weight of the total composition of an amine oxide according to the formula R1R2R3NO, wherein each of R1, R2 and R3 is independently a saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl group of from 1 to 30 carbon atoms, and from 0.01 % to 10 % by weight of the total composition of an amine according to the formula RR'R''N, wherein R is a saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl group of from 1 to 30 carbon atoms, and wherein R' and R'' are independently saturated or unsaturated, substituted or unsubstituted, linear or branched alkyl groups of from 1 to 30 carbon atoms, or hydrogen. Said compositions deliver excellent limescale removal performance as well as outstanding greasy soap scum cleaning on hard surfaces.

Cette invention se rapporte à une composition acide liquide qui comprend un acide et un système de tensioactif contenant 0,01 à 10 % en poids de la composition totale d'un oxyde d'amine représenté par la formule R1R2R3NO, où chaque élément R1, R2 et R3 représente séparément un groupe alkyle linéaire ou ramifié, substitué ou insubstitué, saturé ou insaturé, ayant 1 à 30 atomes de carbone, et 0,01 à 10 % en poids de la composition totale d'une amine représentée par la formule RR'R"N où R représente un groupe alkyle linéaire ou ramifié, substitué ou insubstitué, saturé ou insaturé, ayant 1 à 30 atomes de carbone, et où R' et R" représentent séparément des groupes alkyle linéaires ou ramifiés, substitués ou insubstitués, saturés ou insaturés, ayant 1 à 30 atomes de carbone, ou de l'hydrogène. Ces compositions produisent d'excellentes performances d'élimination du tartre ainsi qu'un excellent pouvoir d'élimination des croutes savonneuses grasses lors du nettoyage de surfaces dures.

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