C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/04 (2006.01) C11D 1/08 (2006.01) C11D 11/04 (2006.01)
Patent
CA 2117746
A process for making a concentrated liquid detergent composition comprising the steps of: i) mixing succinic anhydride, water and an alkaline catalyst, wherein the ratio of succinic anhydride to water is at least 4:1; ii) allowing an exothermic hydrolysis reaction to take place in a buffer tank, and iii) mixing the resulting highly active, partly neutralised succinic acid with other detergent ingredients.
Procédé de préparation d'une composition de détergent liquide concentrée dans lequel: i) on mélange de l'anhydride succinique, de l'eau et un catalyseur alcalin selon un rapport anhydride succinique-eau qui est au moins de 4:1; ii) on laisse s'effectuer une réaction d'hydrolyse exothermique dans une cuve intermédiaire, et iii) on mélange avec d'autres ingrédients détergents l'acide succinique très puissant résultant, partiellement neutralisé.
Lievens Luc M. W.
Vanwelssenaers Noel A.
Kirby Eades Gale Baker
The Procter & Gamble Company
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