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US 8,975,219 B2Granted
Fabric cleaning composition comprising hueing agent
AssigneeThe Procter & Gamble Company
InventorsMargherita Scartozzi, Luca Sarcinelli, Sophie Anne Marguerite Goellner, Enza Ceccobelli, Leo Gagliardi
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Abstract
A fabric cleaning composition comprising from 1% to 20% by weight of the fabric cleaning composition of an oxygen-based bleaching source and a hueing agent, and wherein the neat composition has a pH between 2.5 and 5.5, and a method of using said fabric cleaning composition.
Claims7
A fabric cleaning composition comprising from 3% to 15% by weight of the fabric cleaning composition of an oxygen-based bleaching source, said composition further comprising a hueing agent, wherein the neat composition has a pH between 3 and 5;
- wherein the hueing agent is a Thiophene Azo dye, wherein the Thiophene Azo dye has the following formula:
- wherein R′ is selected from the group consisting of H, CH3, CH2O(CH2CH2O)zH, and mixtures thereof;
- wherein R″ is selected from the group consisting of H, CH2O(CH2CH2O)zH, and mixtures thereof;
- wherein x+y≦5;
- wherein y≧1;
- and
- wherein z=0 to 5, and where each [CH2CR′HO)x(CH2CR″HO)yH] can be the same or different;
- wherein the oxygen-based bleach source is hydrogen peroxide;
- and wherein the hueing agent is present at a concentration of between 0.000001% and 3.25% by weight of the fabric cleaning composition.
6 more elements
Dependencies are inferred from the claim text.