Importance

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Abstract

A builder that is a post-manufacture addition to detergent compositions includes a total soluble salt content of about 70 wt. % to about 90 wt. %, wherein about 40 wt. % to about 90 wt. % of the soluble salts are in the form of an alkali carbonate; about 2 wt. % to about 12 wt. % polycarboxylate co-builder; and about 2 wt. % to about 12 wt. % water for solubility and bulk density control. The builder will be added to a detergent (active surfactant) composition in an amount of about 5 wt. % to about 40 wt. %, preferably about 10 wt. % to about 30 wt. %, more preferably about 15 wt. % to about 25 wt. %, and most preferably about 20 wt. % of the detergent composition based on the total weight of detergent and builder. Generally, a higher percentage of builder composition achieves better results when the wash water is harder (contains higher levels of calcium and/or magnesium, e.g. 400 ppm calcium carbonate).

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First Claim