C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.1
C11D 1/66 (2006.01) C11D 1/825 (2006.01) C11D 3/37 (2006.01) C11D 3/395 (2006.01) C11D 7/10 (2006.01) C11D 7/18 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2036593
DETERGENT COMPOSITION The invention comprises liquid, non-aqueous compositions comprising: liquid nonionic surfactant in an amount of 25 to 75% by weight; having suspended therein 20 to 75% of solid particulate material with a surface weighted mean particle size in the range 1 to 100µ which comprises a combination of i) from 5 to 72% by weight of one or more salts which form hydrate(s) stable at 20°C but are present in an anhydrous or incompletely hydrated state, together with ii) from 3 to 70% by weight of one or more salts which has no stable hydrate at 20°C. The combination of hydratable and non-hydratable salts enhances suspending properties while inhibiting excess gelling.
COMPOSITION DE DÉTERGENT La présente invention concerne des compositions liquides non aqueuses comprenant : un surfactant liquide non ionique, 25 à 75 % en poids, ayant en suspension de 20 à 75 % de matières particulaires solides de taille moyenne pondérée en fonction de la surface se situant dans la gamme allant de 1 à 100 µ, comprenant une combinaison de i) de 5 à 72 % en poids d'un ou de plusieurs sels qui forment des hydrates stables à 20 .degrés.C, mais qui sont présents sous forme anhydre ou incomplètement hydratée, avec ii) de 3 à 70 % en poids d'un ou de plusieurs sels qui ne possèdent pas d'hydrate stable à 20 .degrés.C. La combinaison de sels hydratables et de sels non hydratables améliore les propriétés de suspension tout en inhibant une formation excessive de gel.
Bereskin & Parr
Plc Unilever
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