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US 9,752,106 B2Granted
Cleansing compositions containing stable silver
AssigneeConopco, Inc.
InventorsAjit Manohar Agarkhed, Nitish Kumar
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Abstract
Disclosed is a cleansing composition having pH of at least 9, said composition comprising: (i) 20 to 85 wt % anionic surfactant; and, (ii) a silver(I) compound having silver ion solubility (in water at 25° C.) of at least 1×10−4 mol/L, at a level equivalent to silver content of 0.01 to 100 ppm, wherein the free alkali content of said composition is less than 0.01%. The composition is a robust and improved cleansing composition with a stable colour.
Claims6
A cleansing composition having pH of at least 9, said composition comprising:
- (i) 20 to 85 wt % anionic surfactant;
- and,
- (ii) a silver(I) compound having silver ion solubility (in water at 25° C.) of at least 1×10−4 mol/L, at a level equivalent to silver content of 0.01 to 100ppm, wherein the free alkali content of said composition is less than 0.01% and wherein said silver compound is selected from the group consisting of silver oxide, silver nitrate, silver acetate, silver sulfate, silver benzoate, silver salicylate, silver carbonate, silver citrate or silver phosphate.
Dependencies are inferred from the claim text.