Carbonate built laundry detergent composition

Details Carbonate built laundry detergent composition Carbonate built laundry detergent composition

1993-06-29

1994-12-27

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252135, 25217424, 252526, 252545, C11D 310, C11D 306, C11D 337

Patent

active

053763009

ABSTRACT:
A powdered laundry detergent composition is provided comprising an active surfactant, at least about 70 wt. % of a water soluble alkaline carbonate salt, e.g., sodium carbonate, about 0.1 to 2 wt. % of a phosphorus-containing sequestering agent, e.g., sodium tripolyphosphate, about 0.1 to 2 wt. % of a polymeric polycarboxylate, e.g., a polyacrylate, and about 1-12 wt. % water.
Use of the foregoing detergent composition provides excellent cleaning and whitening of fabrics while avoiding the problem of eutrophication which occurs when a substantial amount of a phosphorus containing builder such as STPP is present in the composition, and while minimizing the problem of fabric encrustation often present when the composition contains a large amount of carbonate builder.

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patent: 5152910 (1992-10-01), Sarro et al.
patent: 5152911 (1992-10-01), Sarro et al.

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