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Cleansing Bar Compositions Comprising A High Level Of Water

A technology of composition and cleaning bar, which is applied in the direction of soap detergent composition, detergent composition, surface active non-soap compound and washing composition, etc., and can solve problems such as difficulty in maintaining high water content of finished bar soap composition

Inactive Publication Date: 2015-08-26
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a problem with high moisture bar compositions is that it is difficult to maintain the high moisture content in the finished bar composition

Method used

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  • Cleansing Bar Compositions Comprising A High Level Of Water
  • Cleansing Bar Compositions Comprising A High Level Of Water
  • Cleansing Bar Compositions Comprising A High Level Of Water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0069] The following are non-limiting examples of cleansing bar compositions of the present invention. The amount of each ingredient is an approximate weight percent based on the weight of the bar soap composition.

[0070]

[0071]

[0072]

[0073] a The bars used in these examples have the following approximate composition: about 85% anhydrous soap (50% tallow / 30% palm stearic acid / 20% palm kernel oil (or 20% coconut oil)); about 0.2% free citric acid; about 0.2% sodium citrate; about 0.05% tetrasodium DPTA; about 0.05% tetrasodium HEDP; about 0.6% sodium chloride; about 1% glycerin; and about 12% to About 18% water, the balance is unsaponifiable substances. These percentages are by weight of the bar.

[0074] b Pregelatinized starch is available under the trade name PREGEL-A M 0300 from Tianjin Dingfeng Starch Development Co., Ltd., Tianjin, China.

[0075] In these examples, soap bars can be made via conventional methods involving a supporting step and a vacuu...

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PUM

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Abstract

Cleansing bar compositions having high water content comprise: (a) at least about 15%, by weight of the composition, of water; (b) from about 40% to about 84%, by weight of the composition, of soap; and (c) from about 1% to about 15%, by weight of the composition, of inorganic salt. The bar compositions further comprise a component selected from the group consisting of carbohydrate structurant, free fatty acid, synthetic surfactants, and mixtures thereof. The bar compositions preferably have a Water Activity ("Aw") of less than about 0.95, preferably less than about 0.90, and more preferably less than about 0.85. The bar compositions are preferably manufactured by a milling process.

Description

[0001] This application is a divisional application of application number 200680021860.7. field of invention [0002] The present invention relates to high moisture bar soap compositions for cleansing the skin. Background of the invention [0003] Bar soap remains a popular product form for cleansing the skin. Those skilled in the art use the term soap to name the reaction product of a carboxylic acid and a base, typically a metal hydroxide or carbonate. The resulting salt has a polar hydrophilic end and a non-polar lipophilic end, which facilitate the removal of oil and other non-polar materials from the skin or other surface in the presence of water. [0004] Typically, bar soaps can be made by frame casting / die casting or by rolling / pressing. Frame-cast or mold-cast soaps are typically prepared by reacting a suitable fat, oil, or carboxylic acid with a base in the presence of water to form the soap, pouring molten soap containing about 30% water into a frame or mold, an...

Claims

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Application Information

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IPC IPC(8): C11D9/00C11D9/60C11D7/44C11D7/26C11D10/04A61Q19/10
CPCC11D9/14C11D3/2079C11D10/042C11D1/29C11D3/046A61Q19/10C11D3/222C11D3/06C11D9/10C11D9/262A61K8/732C11D17/006A61K8/368C11D9/267
Inventor C·R·萨尔瓦多姜春鹏吴丽欢冈野利彦张琰
Owner THE PROCTER & GAMBLE COMPANY
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