Detergent compositions

C - Chemistry – Metallurgy – 11 – D

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134/3.2

C11D 1/14 (2006.01) C11D 1/722 (2006.01) C11D 1/83 (2006.01)

Patent

CA 2026746

ABSTRACT A detergent composition including a surfactant system the major proportion of which consists of: i) an anionic surfactant material which is a) an internal olefin sulphonate derived from an internal olefine having the general formula: R1 - CH = CH - R2 (I) of b) a vinylidene sulphonate derived from a vinylidene having the general formula: R1 C = CH2 (II) R2 or c) a mixture thereof, R1 and R2 being alkyl groups which are the same or different and have 10 to 16 carbon atoms in total; and ii) a nonionic surfactant material having an HLB value of not more than 10.5, the weight ratio of (i) to (ii) lying between 9:1 and 1:9.

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