Solid cast warewashing composition; encapsulated bleach source

Details Solid cast warewashing composition; encapsulated bleach source Solid cast warewashing composition; encapsulated bleach source

1989-01-12

1990-06-12

Clingman, A. Lionel

Compositions

Water-softening or purifying or scale-inhibiting agents

252 90, 252 91, 252 99, 25217413, 25218635, 25218636, 25218637, C11D 308, C11D 714, D06L 316

Patent

active

049331027

ABSTRACT:
Solid cast detergent-containing articles are produced for use in automatic washing machines. A liquid detergent composition is cast into a mold where it is allowed to solidify. The cast detergent composition includes alkali metal metasilicate, alkali metal condensed phosphate, an encapsulated bleaching source, and water for hydration. The composition optionally further includes a dye, a perfume, a surfactant, a defoamer, an additional sequestering agent such as an alkali metal salt of a polyacrylic compound, a neutral soluble salt such as an alkali metal sulphate or an alkali metal chloride, an alkali compound such as an alkali metal hydroxide, an alkali metal sesquicarbonte, an alkali metal borate, or mixtures thereof.

REFERENCES:
patent: 2333444 (1943-02-01), Robinson
patent: 3649545 (1972-03-01), Susuki
patent: 4569780 (1986-02-01), Fernholz et al.
patent: 4569781 (1986-02-01), Fernholz
patent: 4657784 (1987-04-01), Olson
patent: 4681914 (1987-07-01), Olson et al.
patent: 4830773 (1989-05-01), Olson

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