C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/29 (2006.01) C07C 303/24 (2006.01) C11D 11/04 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2142913
A concentrated aqueous surfactant solution comprising alkyl ether sulphate and alkaline earth metal, preferably magnesium. The composition is a stable liquid which is suitable for making into cleaning products, especially dish washing liquids. The concentrated surfactant solution can be prepared by partial neutralisation of the acid precursor with the hydroxide or oxide of the alkaline earth metal, followed by a further neutralisation with the hydroxide of an alkali metal or ammonium.
Solution concentrée de tensioactifs aqueux comprenant du sulfate d'éther d'alkyle et un métal alcalino-terreux, de préférence du magnésium. La composition se présente sous forme d'un liquide stable qui permet de préparer des produits de nettoyage plus particulièrement des liquides pour laver la vaisselle. On peut préparer la solution concentrée de tensioactifs en neutralisant partiellement le précurseur d'acide avec l'hydroxyde ou l'oxyde du métal alcalino-terreux, puis en neutralisant le produit obtenu avec l'hydroxyde d'un métal alcalin ou avec de l'ammonium.
Burdon Allan
Cope Katherine J.
Coppenrath Wendy
Stasino Guy
Talkes Brian E.
Kirby Eades Gale Baker
The Procter & Gamble Company
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