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US 6,143,704 AGranted
Soap bars with little or no synthetic surfactant comprising organic salts
AssigneeLever Brothers Company, Division of Conopco, Inc.
InventorsEdward Andrew Van Gunst, James Joseph Corr, John Gerard Sheehan
Life of this patent
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Abstract
A bar composition comprising about 50-80% soap, about 4 to 35% by wt. free fatty acid and less than 5% synthetic surfactant. Addition of 1% to 10% organic salt has been found to allow use of little or no surfactant while maintaining consumer desirable properties.
Claims9
An extruded bar composition comprising:
- (a) 50% to 80% by wt. soap;
- (b) 4% to 35% by wt. free fatty acid;
- (c) 1% to 10% by wt. of an organic salt selected from the group consisting of alkali metal isethionate, alkali metal citrate, alkali metal acetate, organic salt of aspartic acid, organic salt of D-gluconic acid, alkali metal gluceptate and mixtures thereof;
- (d) about 10% by wt. water;
- wherein said composition has less than about 4% synthetic surfactant and wherein said bar is processed using standard processing equipment in which said bar is made by mixing ingredients, drying and extruding.
2 more elements
Dependencies are inferred from the claim text.