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US 12,600,928 B2Granted
Process for treating a fabric and related compositions
AssigneeThe Procter & Gamble Company
InventorsSarah Ann Delaney, Sol Melissa Escobar, Renae Dianna Fossum, Mark Robert Sivik
Life of this patent
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Abstract
Laundry additive compositions that include a metal sequestration agent and that may be characterized by an acidic pH. Related methods of treating a fabric, for example with a wash liquor and a rinse liquor, with such compositions and/or agents. Uses of such laundry additive compositions.
Claims19
A liquid laundry additive composition comprising:
- from 12% to 40%, by weight of the composition, of citric acid;
- from about 50% to about 95%, by weight of the composition, of water;
- the composition being characterized by an acidic pH of from about 2 to about 4;
- the composition further comprising perfume and nonionic surfactant;
- and
- the composition being substantially free of anionic, cationic, and zwitterionic surfactants;
- wherein the composition has a viscosity of about 1 cP to about 200 cP.
4 more elements
A liquid laundry additive composition comprising:
- from 18% to 40%, by weight of the composition, of citric acid;
- from about 50% to about 95%, by weight of the composition, of water;
- the composition being characterized by an acidic pH of from about 2 to about 4 ;
- the composition further comprising perfume and nonionic surfactant;
- the composition being substantially free of inorganic acid;
- and
- the composition being substantially free of anionic, cationic, and zwitterionic surfactants.
4 more elements
Dependencies are inferred from the claim text.