Substrate article for cleaning fabrics
AssigneeThe Procter & Gamble Company
InventorsDaniel J. Flesher, Gary W. Kingry
Life of this patent
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Abstract
An article useful in a process for cleaning fabrics utilizing a water-insoluble substrate, having specifically defined air permeability and surface area characteristics, is disclosed. This article is added to the automatic washer at the beginning of its laundering cycle and provides excellent cleaning for fabrics washed therein. A method for cleaning fabrics, using these articles, is also disclosed.
Claims4
An article useful in a process for cleaning fabrics, yielding sequential release of surfaceactive components, consisting essentially of an effective amount of a surface-active composition comprising from about 5 to 95% of a water-soluble surface-active agent contained between two layers of a water-insoluble, wet-strength substrate, at least one of said layers having areas of different air permeability, at least a substantial portion of said layers having an air permeability of at least about 30 cubic ft. per minute per sq. ft., and a portion of said layers having an air permeability of less than about 10 cubic ft. per minute per sq. ft.
Dependencies are inferred from the claim text.