C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 11/00 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2199816
Disclosed is a process for preparing non-aqueous, bleach-containing liquid laundry detergent compositions, which are in the form of a suspension of particulate material, including peroxygen bleaching agent and an alkyl sulfate anionic surfactant, dispersed in a liquid phase containing an alcohol ethoxylate nonionic surfactant and a non-aqueous, low-polarity organic solvent. Such a process provides compositions that exhibit especially desirable cleaning and bleaching of fabrics laundered therewith and also exhibit especially desirable chemical and phase stability.
L'invention concerne un procédé de préparation de compositions de détergents lessiviels liquides, non aqueux et contenant un agent de blanchiment. Lesdites compositions se présentent sous forme de suspension de matière particulaire constituée d'un agent de blanchiment au peroxygène et d'un agent tensioactif au sulfate d'alkyle, dispersée dans une phase liquide contenant un agent tensioactif non ionique à l'éthoxylate d'alcool et un solvant organique non aqueux à faible polarité. Ce procédé permet de produire des compositions présentant les caractéristiques de lavage et de blanchiment désirées pour les tissus lavés avec celles-ci et, en particulier, la stabilité chimique et de phase voulue.
Hunter Kathleen Brenner
Kong-Chan Josephine Ling
Dimock Stratton Clarizio Llp
The Procter & Gamble Company
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