Detergent compositions with nonphosphate builders containing two

Compositions – Fluent dielectric – N-containing

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252 89R, 252135, 252173, 252180, 252539, 252541, 252555, 252558, 252DIG11, 252DIG14, C02B 122, C02B 506, C11D 320, C11D 322

Patent

active

040213765

ABSTRACT:
A detergent composition comprising a detergent surfactant selected from the group anionic, nonionic, zwitterionic and ampholytic compounds and mixtures thereof and a non-phosphate detergent builder containing two or more carboxyl groups and having a pK of the dissociation constant for the calcium complex of between about 3 to about 5, said detergent builder being selected from the group consisting of certain ether carboxylates, oxirane carboxylates, polyhydroxycarboxylates containing at least two hydroxy groups, sulfocarboxylates, polycarboxylates, acetal carboxylates and keto carboxylates, wherein the ratio of surfactant to builder in the composition is from about 0.4:1 to about 3:1 has been found to be particularly efficacious at low use concentrations, on the order of between about 0.15 percent and 0.1 percent.

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