Liquid cleaning compositions and their use

Details Liquid cleaning compositions and their use Liquid cleaning compositions and their use

C - Chemistry, Metallurgy

11

D

C11D 3/386 (2006.01) C11D 3/16 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2435944

An aqueous liquid cleaning composition having a pH of at least 7, preferably from 7 to 11, more preferably from 7 to 10 and comprising from 1% to 90% by weight of surfactant, a proteolytic enzyme and a primary stabiliser therefor, the composition further comprising an organic substance which forms a complex with a transition metal, the complex being capable of catalysing bleaching of a substrate by atmospheric oxygen.

L'invention concerne une composition de nettoyage liquide ayant un pH d'au moins 7, de préférence de 7 à 11 et idéalement de 7 à 10, et renfermant de 1 à 90 % en pds d'un tensio-actif, une enzyme protéolytique et un stabilisateur primaire pour cette dernière. La composition comprend également une substance organique qui forme un complexe avec un métal de transition, le complexe étant capable de catalyser le blanchiment d'un substrat par de l'oxygène atmosphérique.

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