C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C07C 229/36 (2006.01) C11D 3/33 (2006.01)
Patent
CA 2219987
Aqueous, acidic bleach laundry detergent compositions with selected chelants which remain substantially undissolved in the acidic product formulation are described. The chelants are chemically stable within the product even upon extended storage and provide improved in-use chelating as well as product performance.
La présente invention concerne des compositions de détergents lessiviels à agent de blanchiment acide, comportant des chélatants sélectionnés qui demeurent sensiblement à l'état non dissous dans la formulation du produit acide. Ces chélatants, qui sont chimiquement stables à l'intérieur du produit, même en cas de stockage prolongé, garantissent un effet chélateur amélioré à l'usage, de même qu'une meilleure efficacité du produit.
Kott Kevin Lee
Willey Alan David
Kirby Eades Gale Baker
The Procter & Gamble Company
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