Light duty cleaning composition

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 1/94 (2006.01) C11D 1/83 (2006.01) C11D 1/14 (2006.01) C11D 1/66 (2006.01) C11D 1/75 (2006.01) C11D 1/90 (2006.01)

Patent

CA 2211360

Improved light duty cleaning compositions comprising 15-50 % surfactant on product can be formulated such that they comprise, on surfactant: a) 50-70 wt.% of a mixture of primary alkyl sulphate and alkyl ether sulphate, wherein the average ethoxylation value of the mixture is 0.5-2.5, b) 2-8 wt.% of a betaine, an amine oxide or a mixture of betaine and amine oxide, and, c) 25-45 wt.% of an alkylpolyglucoside surfactant. It is believed that compositions which have an excess in surfactant of a mixture of both primary alkyl sulphate and alkyl ether sulphate in a specified ratio, i.e. such that the total EO is 0.5-2.5, together with a lesser, but significant level of APG and a minor amount of betaine, provide an acceptable combination of mildness, cleaning and foaming under a broad range of conditions and show surprising benefit in a bowl-wash situation.

Compositions améliorées de nettoyage pour travaux légers comprenant 15-50 % en poids de tensioactif, ledit tensioactif étant composé de: a) 50-70 % en poids d'un mélange de sulfate d'alkyle primaire et de sulfate d'éther d'alkyle, la valeur moyenne d'éthoxylation du mélange étant de 0,5-2,5, b) 2-8 % en poids d'une bétaïne, d'un oxyde d'amine ou d'un mélange de bétaïne et d'oxyde d'amine, c) 25-45 % en poids d'un tensioactif d'alkylpolyglucoside. On pense que des compositions présentant un excès en tensioactif composé d'un mélange de sulfate d'alkyle primaire et de sulfate d'éther d'alkyle selon un rapport spécifique, de telle manière que la totalité de EO est de 0,5-2,5, avec un niveau inférieur mais important d'alkylpolyglycoside (APG) et une quantité mineure de bétaïne, possèdent des caractéristiques combinées adoucissante, nettoyante et moussante dans une gamme importante de conditions et s'avèrent particulièrement avantageuses dans un test effectué dans une solution de lavage à 45 DEG C (Bowl wash).

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