C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/08 (2006.01) C11D 3/06 (2006.01) C11D 3/20 (2006.01) C11D 3/39 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2141452
Non-aqueous liquid landry detergent compositions which contain a condensed phosphate builder e.g. sodium tripolyphos- phate, are rendered more easily dispersed during use, particularly when dispensed using a dosing means, by including a small quantity of a water soluble salt of a hydroxycarboxylic, especially citric or tartaric, acid especially an ammonium, substituted am- monium or alkali metal salt. The compositions include a surfactant, desirably a non-ionic surfactant and may include a bleach e.g. sodium perborate or percarbonate. Desirably a polyoxyalkylene glycol, especially ethylene glycol, having a molecular weight of 100 to 1500 D is also included. The solids of the composition are preferably present as finely divided e.g. less thant 10 µm aver- age size, particles in the liquid components.
Gowling Lafleur Henderson Llp
Imperial Chemical Industries Plc
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