Bleach compositions comprising a transition metal bleach...

Details Bleach compositions comprising a transition metal bleach... Bleach compositions comprising a transition metal bleach...

C - Chemistry, Metallurgy

11

D

C11D 3/39 (2006.01) C11D 3/16 (2006.01) C11D 3/395 (2006.01)

Patent

CA 2283163

Laundry or cleaning composition comprising: (a) a catalytically effective amount, preferably from about 1 ppb to about 99.9 %, of transition-metal bleach catalyst which is a complex of a transition-metal and a cross-bridged macropolycyclic ligand; and (b) at least about 0.1 % of one or more laundry or cleaning adjunct materials, preferably comprising an oxygen bleaching agent. Preferred compositions are laundry compositions and automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits through the use of such catalysts.

L'invention concerne une composition de blanchissage ou de lavage comprenant: (a) une quantité catalytique efficace, de préférence d'environ 1 ppb à environ 99 %, d'un catalyseur de blanchiment à métal de transition lequel est un complexe d'un métal de transition et d'un ligand macropolycyclique ponté transversalement; (b) au moins environ 0,1 % d'une ou de plusieurs matières ajoutées de blanchissage ou de nettoyage, comprenant de préférence un agent de blanchiment oxygéné. Les compositions préférées sont des compositions de blanchissage et des détergents de lavage automatique de vaisselle offrant des avantages accrus de nettoyage/blanchiment par l'utilisation de ces catalyseurs.

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