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US 2006/0069002 A1Published application
Process for preparing automatic dishwashing detergent compositions comprising potassium tripolyphosphate formed by in-situ hydrolysis
AssigneeThe Procter & Gamble Company
InventorsBrian Song, Frank DeNome
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Abstract
A process for preparing substantially sodium ion-free, aqueous ADW detergent compositions comprising potassium tripolyphosphate, formed by in-situ hydrolysis, is provided.
Claims20
A process for preparing an automatic dishwashing detergent composition comprising the following steps:
- (a) reacting potassium trimetaphosphate with potassium hydroxide to form a reaction mixture comprising potassium tripolyphosphate according to the following formula:
- (KPO3)3+2KOH→K5P3O10+H2O;
- and
- (b) adding at least one adjunct ingredient to form said composition;
- wherein said potassium tripolyphosphate is formed by in-situ hydrolysis;
- wherein said composition is substantially free of sodium ions;
- and wherein said composition is aqueous.
4 more elements
Dependencies are inferred from the claim text.