Detergent additives and detergent compositions containing them

Details Detergent additives and detergent compositions containing them Detergent additives and detergent compositions containing them

C - Chemistry, Metallurgy

11

D

134/3

C11D 7/14 (2006.01) C11D 3/12 (2006.01) C11D 3/20 (2006.01) C11D 3/33 (2006.01)

Patent

CA 1187763

ABSTRACT A detergent composition contains as builder a combination of an aluminosilicate cation-exchange material for example, zeolite A, with an organic precipitant builder having the formula I Image (I) wherein: R1 is C10-C24 alkyl or alkenyl, or an arylalkyl or alkylaryl group of equivalent chain length; X is CH, CR2, N or CON; R2 is C1-C3 alkyl; Y is hydrogen or a solubilising cation: n.and m, which may be the same or different, are O or integers from 1 to 4, and Z is COOY or SO3Y. Preferred organic precipitant builders are the alkyl or alkenyl malonates and succinates. the inorganic phosphate content is desirably less than 10% by weight and zero-phosphate compositions are preferred.

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