Thickened bleach compositions for treating hard-to-remove soils

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

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252 95, 252135, 252187H, 8108A, 134 2, 134 39, 134 40, C11D 754, C11D 756

Patent

active

041168496

ABSTRACT:
Highly alkaline thickened aqueous liquid hypohalite compositions, preferably thickened with a clay, preferably thixotropic, and preferably containing an alkali metal silicate can be used in a process for cleaning kitchen utensils having baked-on soils comprising the steps of treating a soiled utensil surface with the thickened alkaline hypohalite composition and then covering the treated soiled utensil surface with an excess of water at a temperature of more than about 100.degree. F. The preferred compositions, free of abrasives, containing clay and an alkali metal silicate are particularly stable; provide good corrosion protection to metals, and are milder to skin than normal alkaline hypohalite compositions.

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patent: 3630923 (1971-12-01), Simmons et al.
patent: 3655582 (1972-04-01), Dupre et al.
patent: 3671440 (1972-06-01), Sabatelli et al.
patent: 3672821 (1972-06-01), Schussler
patent: 3684722 (1972-08-01), Hynam et al.
patent: 3697431 (1972-10-01), Summerfelt
patent: 3843548 (1974-10-01), James
patent: 3928065 (1975-12-01), Savino
patent: 4011172 (1977-03-01), Marsan et al.

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