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US 12,716,043 B2Granted
Water-soluble unit dose article comprising a fibrous non-woven sheet and a hueing dye particle
AssigneeThe Procter & Gamble Company
InventorsTimothy Bullivant, Hossam Hassan Tantawy
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Abstract
A water-soluble unit dose article including a fibrous non-woven sheet and a hueing dye particle.
Claims10
A water-soluble unit dose article comprising a water-soluble fibrous non-woven sheet and a granular laundry detergent,
- wherein the water-soluble fibrous non-woven sheet is shaped to form a sealed internal compartment, wherein the granular laundry detergent is comprised within said internal compartment,
- wherein the water-soluble fibrous non-woven sheet comprises a plurality of fibres,
- wherein the fibres comprise polyvinyl alcohol polymer,
- wherein the granular laundry detergent comprises a plurality of particles,
- wherein the granular laundry detergent comprises from about 0.1 wt % to about 5.0 wt % a hueing dye particle,
- wherein the hueing dye particle comprises from about 1.0 wt % to about 30 wt % hueing dye selecting from the group consisting of Acid Violet 50, Direct Violet 9, 66 and 99, Solvent Violet 13 and any combination thereof, and
- wherein the hueing dye particle comprises from about 70 wt % to about 99 wt % carrier material,
- wherein the carrier material is selected from clay, carbonate or any combination thereof.
5 more elements
Dependencies are inferred from the claim text.