Aluminum Chlorohydrate Salts Exhibiting High SEC Peak 1
AssigneeColgate-Palmolive Company
InventorsViktor DUBOVOY, Long PAN
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Abstract
Aluminum chlorohydrate salts having an amount of Peak 1 material relative based on a total of Peaks 3, 4, and 5 of at least 20% as measured by size exclusion chromatography, together with water treatment compositions, antiperspirant compositions, and oral care compositions, comprising the same, and methods for making and using the same.
Claims40
An aluminum chlorohydrate salt having an amount of Peak 1 material relative based on a total of Peaks 3, 4, and 5 of at least 20%, as measured by size exclusion chromatography.
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A method of making a salt, comprising heating an initial aluminum salt solution at a temperature of about 50° C., in the presence of a water-soluble zwitterionic compound with an isoelectric point above 7 and/or a water-soluble organic compound with a pKa of greater than 7, until an amount of Peak 1 material relative based on a total of Peaks 3, 4, and 5 is at least 20% as measured by size exclusion chromatography, wherein the aluminum salt is at least one of aluminum chloride, aluminum chlorohydrate, aluminum dichlorohydrate, aluminum sesquichlorohydrate, aluminum zirconium octachlorohydrate, aluminum zirconium pentachlorohydrate, aluminum zirconium tetrachlorohydrate, or aluminum zirconium trichlorohydrate.
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Dependencies are inferred from the claim text.