Warewashing composition for use in automatic dishwashing...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 3/02 (2006.01)

Patent

CA 2655109

A warewashing detergent composition is provided according to the invention. The warewashing detergent composition includes a cleaning agent, an alkaline source, and a corrosion inhibitor. The cleaning agent comprises a detersive amount of a surfactant. The alkaline source is provided in an amount effective to provide a use composition having a pH of at least about S. The corrosion inhibitor includes a source of aluminum ion and at least one of a source of calcium ion or a source of magnesium ion. The amounts of calcium ion or magnesium ion can be selected depending upon the hardness of the water of dilution. Methods for using a warewashing detergent composition are provided.

L'invention concerne une composition détergente pour le lavage de la vaisselle. La composition détergente pour le lavage de la vaisselle comprend un agent de nettoyage, une source alcaline et un inhibiteur de corrosion. L'agent de nettoyage comprend une quantité détersive d'un tensioactif. La source alcaline est fournie en une quantité efficace pour fournir une composition d'utilisation ayant un pH d'au moins environ S. L'inhibiteur de corrosion comprend une source d'ions aluminium et au moins une source d'ions calcium ou une source d'ions magnésium. Les quantités d'ions calcium ou d'ions magnésium peuvent être choisies en fonction de la dureté de l'eau de dilution. L'invention concerne des procédés d'utilisation d'une composition détergente pour le lavage de la vaisselle.

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