C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/00 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 3/36 (2006.01) C11D 3/39 (2006.01) C11D 3/60 (2006.01)
Patent
CA 2223467
A solid detergent composition and a method of using the composition in a machine dishwasher is described. The product contains a first layer having an oxygen bleaching system, a buffering system of a builder, and an enzyme. The first layer dissolves to deliver a pH of 8.5 to 11 in the wash water. A second layer includes an effective amount of an acidity agent selected from an inorganic acid, an organic acid and mixtures thereof, a continuous medium having a melting point in the range of from 55°C to 70°C and an anti-scaling agent. The second layer dissolves in wash water to deliver a pH of from 6.5 to 9.
Description d'une composition de détergent solide et d'une méthode d'utilisation de la composition dans un lave-vaisselle. Le produit contient une première couche ayant un système de blanchiment à l'oxygène, un système tampon, un adjuvant et un enzyme. La première couche se dissout pour donner à l'eau de lavage un pH de 8,5 à 11. Une seconde couche comprend une quantité efficace d'un agent d'acidité sélectionné entre un acide inorganique, un acide organique et leurs mélanges, un milieu continu ayant un point de fusion entre 55 et 70 degrés C et un détartrant. La seconde couche se dissout dans l'eau de lavage pour en abaisser le pH entre 6,5 et 9.
Lang David John
Nicholson John Richard
Piatek Bozena Marianna
Secemski Isaac Israel
Bereskin & Parr
Plc Unilever
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