Targeted moieties for use in bleach catalysts

Details Targeted moieties for use in bleach catalysts Targeted moieties for use in bleach catalysts

C - Chemistry, Metallurgy

11

D

C11D 3/39 (2006.01) C11D 3/384 (2006.01) C11D 3/386 (2006.01)

Patent

CA 2404557

There is provided a targeted bleaching composition comprising an organic substance which forms a complex with a transition metal, the complex catalysing bleaching of a substrate by a precursor selected from atmospheric oxygen and/or a peroxyl species. The complex is bound to a recognising portion having a high binding affinity for stains present on fabrics.

L'invention concerne une composition de blanchiment ciblée comportant une substance organique qui forme un complexe avec un métal de transition, le complexe catalysant le blanchiment du substrat par un précurseur sélectionné dans l'oxygène atmosphérique et/ou une espèce peroxyle. Le complexe est lié à une partie reconnaissante possédant une affinité de liaison élevée avec les tâches présentes sur les tissus.

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