C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 7/04 (2006.01) A47L 15/44 (2006.01) C11D 3/08 (2006.01) C11D 3/10 (2006.01) C11D 7/06 (2006.01) C11D 7/12 (2006.01) C11D 7/14 (2006.01) C11D 7/16 (2006.01) C11D 11/00 (2006.01) C11D 17/00 (2006.01) C11D 17/04 (2006.01)
Patent
CA 2170902
Disclosed are detergent compositions for warewashing and methods of making them. The detergent compositions are stratified heterogeneous substantially non-uniform solid cast compositions and contain (a) an active alkalinity source (such as alkali metal hydroxide, carbonate and silicate), (b) a granular inorganic water conditioning material (such as sodium tripolyphosphate, an alkali metal pyrophosphate, etc.) and (c) water of hydration, wherein the amounts of components (a) and (b) vary (typically such that the amount of component (b) increases to descale or delime a washing machine and tableware washed at an end of the detergent compositions). To produce the composition, component (b) is added to a molten suspension of the other components and the resulting suspension is cast and cooled.
L'invention concerne des compositions détergentes alcalines, stratifiées et moulées à l'état solide comprenant une source d'alcalinité active et suffisamment d'eau d'hydratation pour solidifier lesdites compositions qui contiennent au moins un matériau en granules, dont la concentration varie dans lesdites compositions, comme l'illustre la figure. L'invention concerne également des procédés de préparation et d'utilisation desdites compositions.
Fleisher Howard
Smart & Biggar
LandOfFree
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