Liquid detergent composition comprising selected alkylbenzene sulphonates and alkyl ether sulphates
AssigneeLever Brothers Company
InventorsDavid J. Edge, Appaya R. Naik, Melvin Scott
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Abstract
In light-duty liquid detergent compositions suitable for hand dishwashing, improved foaming performance, especially in hard water, is obtained by using combinations of particular alkylbenzene sulphonates (linear C.sub.10 -C.sub.13 alkylbenzene sulphonates substantially free of other alkyl chain lengths and containing only minor amounts of C.sub.13 material) and particular alkyl ether sulphates (those containing 20% or less of C.sub.14 and above material and having an average degree of ethoxylation of from 1 to 12).
Claims14
A foaming liquid detergent composition in the form of a stable aqueous solution containing from 2 to 60% by weight of an active detergent mixture comprising
- (a) a linear C.sub.10 -C.sub.13 alkylbenzene sulphonate substantially free of material of other alkyl chain length and having a C.sub.13 content not exceeding 15% by weight if its 2-phenyl isomer content is 30% by weight or more, or not exceeding 30% by weight if its 2-phenyl isomer content is less than 30% by weight, and
- (b) a C.sub.10 -C.sub.18 primary alkyl ether sulphate containing 20% by weight or less of C.sub.14 and above chain length material and having an average degree of ethoxylation of from 1 to 12,
- the weight ratio of (a) to (b) being within the range of from 8:1 to 0.5:1, and the composition being substantially free from alkylbenzene sulphonates and alkyl ether sulphates other than those defined under (a) and (b) above.
Dependencies are inferred from the claim text.