Detergent tablet

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 17/00 (2006.01) C11D 3/12 (2006.01) C11D 3/20 (2006.01) C11D 3/22 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2358872

A detergent tablet for use in a washing machine, the tablet having one or more phases at least one of which is in the form of a compressed particulate solid comprising: a) a polymeric disintegrant having a particle size distribution such that at least 90 % by weight thereof has a particle size below about 0.3 mm and at least 30 % by weight thereof has a particle size below about 0.2 mm; and b) a water-soluble hydrated salt having a melting point in the range from about 30 °C to about 95 °C. The detergent tablets display improved dissolution, strength and long-term storage characteristics.

Comprimé détergent conçu pour être utilisé dans une machine à laver et possédant une ou plusieurs phases dont au moins une se présente sous la forme de particules solides comprimées contenant (a) un désintégrant polymère dont la dimension des particules est distribuée de sorte qu'au moins 90 % en poids de ces particules est inférieur à 0,3 mm et au moins 30 % en poids est inférieur à 0,2 mm; (b) un sel hydraté soluble dans l'eau dont le point de fusion est situé dans une plage entre 30 DEG C et 95 DEG C. Ces comprimés détergents présentent des caractéristiques améliorées de dissolution, de résistance et de conservation à long terme.

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