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US 11,597,897 B2Granted
Water-soluble film and water-soluble unit dose article made therefrom
AssigneeThe Procter & Gamble Company
InventorsFlorence Catherine Courchay, Jie Ma
Life of this patent
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Abstract
Water-soluble film and unit dose articles made therefrom, where the water-soluble film includes a water-soluble polymer, where the water-soluble polymer includes a blend of a caseinate polymer and a polyvinyl alcohol homopolymer.
Claims19
A water-soluble unit dose article comprising a water-soluble film, wherein the water-soluble film comprises a water-soluble polymer, wherein the water-soluble polymer comprises a blend of a caseinate polymer and a polyvinyl alcohol homopolymer,
- wherein the polyvinyl alcohol homopolymer has an average percentage degree of hydrolysis of from about 75% to about 100%, and
- wherein the polyvinyl alcohol homopolymer has an average viscosity of from about 1 to about 30 mPas, wherein the viscosity is measured as a 4% aqueous solution in demineralized water at 20° C.;
- a treatment composition, and at least one internal compartment, wherein the treatment composition is contained within the at least one internal compartment.
Dependencies are inferred from the claim text.