Automatic dishwashing compositions comprising cobalt...

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 3/39 (2006.01)

Patent

CA 2211864

Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt chelated catalysts having the formula: [Co n L m X p]z Y z. Preferred automatic dishwashing compositions comprise amylase and/or protease enzymes. Included are methods for washing tableware in domestic automatic dishwashing appliances using the cobalt catalysts.

L'invention a pour objet des compositions détergentes pour laver la vaisselle automatiquement comprenant certains catalyseurs au cobalt. De manière plus spécifique, l'invention concerne des détergents pour laver la vaisselle automatiquement qui présentent des avantages en matière de nettoyage et de blanchiment (particulièrement, pour éliminer les tâches de thé) par une sélection de catalyseurs chélatés au cobalt, présentant la formule: [ConLmXp]<z>Yz. Les compositions préférées pour laver la vaisselle automatiquement comprennent des enzymes amylase et/ou protéase. L'invention traite également de procédés pour laver des articles de table dans des lave-vaisselles automatiques utilisant les catalyseurs au cobalt.

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