Composition and method for fabric encrustation prevention comprising a lignin derivative
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United States of America Patent
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Apr 14, 1992
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N/A
app pub date -
Jun 22, 1990
filing date -
Jun 22, 1990
priority date (Note) -
Expired
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Abstract
Cleaning composition and method comprising in a first embodiment an alkali metal carbonate builder and a fabric encrustation prevention system comprising a substoichiometric level of lignosulfonic acid or its salts and esters which acts to inhibit and prevent the deposition of insoluble precipitates containing water hardness ions on fabrics; in a second embodiment the cleaning composition includes a detersive surfactant for laundry applications; in either embodiment the following adjuncts may be included: co-builders, alkali metal silicates, bleaching species, enzymes, fragrances, dyes, brighteners and others.
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