C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/825 (2006.01) C11D 3/20 (2006.01) C11D 3/33 (2006.01) C11D 3/37 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 11/00 (2006.01) C11D 1/72 (2006.01)
Patent
CA 2149320
The present invention is an aqueous cleaning and bleaching composition having a pH of from 0.5 to 6, comprising hydrogen peroxide or a source thereof and a hydrophobic liquid ingredient, preferably a bleach activator, wherein said hydrophobic liquid ingredient is emulsified in said composition by a mixture comprising at least one nonionic surfactant with an HLB that is higher than or equal to the HLB of said hydrophobic liquid ingredient and at least one nonionic surfactant with an HLB that is lower than or equal to the HLB of said hydrophobic liquid ingredient, provided that the HLBs of said nonionic surfactants, provided that the HLBs of said nonionic surfactants are not identical.
Cette invention concerne une composition aqueuse de nettoyage et de blanchiment dont le pH est compris entre 0,5 et 6, qui renferme du peroxyde d'hydrogène ou une source de ce dernier et un ingrédient liquide hydrophobe de préférence un activateur de blanchiment. L'ingrédient liquide hydrophobe est émulsioné dans ladite composition par un mélange constitué d'au moins un tensio-actif non ionique dont le HLB est supérieur ou égal au HLB de l'ingrédient liquide hydrophobe, et d'au moins un tensio-actif non ionique dont le HLB est inférieur ou égal au HLB de l'ingrédient liquide hydrophobe, à condition que les HLB des tensio-actifs non ioniques ne soient pas identiques.
Cavazzuti Roberto
Scialla Stefano
Vercillo Martino Anna Marie
Kirby Eades Gale Baker
The Procter & Gamble Company
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