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Multilayered liquid composition

A technology of composition and polymer, applied in the direction of detergent composition, organic detergent composition, inorganic/elemental detergent composition, etc., can solve the problems that are not easy to realize

Inactive Publication Date: 2002-10-30
COLGATE PALMOLIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] However, the preparation of two aqueous phases is not easily achievable
Second, selectively thickening one aqueous phase without thickening the second is not easy to achieve

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0007] The two aqueous phases formed distinctly separate layers when contacted without stirring. Typically a single aqueous layer is formed when the water soluble polymer is present together with a water soluble or water dispersible surfactant such as a nonionic ethoxylated surfactant. It has now been found that certain skin compatible polymers generally do not co-exist in a single aqueous layer with the surfactant, but instead form a secondary layer, usually below the aqueous layer containing the surfactant. It is believed that the property that separates such polymers from polymers that are compatible in one phase is the hydrophilicity of the polymers. These polymers which are highly hydrophilic will form a second aqueous phase. These polymers generally have little or no crosslinks and no significant hydrophobic linkages. Examples of polymers forming such a second aqueous phase are polyacrylate polymers (including copolymers), polystyrene sulfonates, polyvinylpyrrolidones,...

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PUM

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Abstract

A composition comprising a lower aqueous phase and an upper aqueous phase, the lower aqueous phase comprising at least about 1% by weight of the composition of a polymer or copolymer selected from the group consisting of polyacrylates, polystyrene sulfonates , polyvinylpyrrolidone, or maleic anhydride and a mixture thereof, wherein the upper aqueous phase contains a cleaning effective amount of a surfactant or a mixture thereof.

Description

Background of the invention [0001] Cleaning compositions are generally single phase or oily phase dispersed in an aqueous cleansing phase. When a large amount of oily phase is present, especially when applied to the skin to condition the skin by lubricating with lipophilic components, a great deal of effort is usually made to provide an undivided stable emulsion. However, a significant advantage may be the presence of two or more phases in a single container when not in use. These phases can be attractive depending on the reagents; especially the colorants dispersed in them or the particles present at the phase boundaries. A little shaking by the user before the end of use allows these to mix and at this point creates a foamy appearance. Emulsions can form during mixing and can exist during actual cleaning. When not stirred, the phases again separate easily into two or more phases and facilitate the next wash, for example after 24 hours when using a shower gel. While lower...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/03A61K8/06A61K8/20A61K8/31A61K8/44A61K8/72A61K8/81A61Q19/00A61Q19/10C11D3/37C11D17/00
CPCA61K8/03A61K8/20A61K8/442A61K8/8147A61K8/8164A61K8/8176A61Q19/00A61Q19/10C11D3/3765C11D3/3776C11D3/378C11D17/0017
Inventor R·L·福勒A·萨克德夫P·巴洛特
Owner COLGATE PALMOLIVE CO