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Composition comprising a particulate zinc material, a pyrithione or a polyvalent metal salt of a pyrithione and a gel network

A technology of polyvalent metal salts and pyrithione, which is applied in the field of compositions composed of gel networks, can solve problems such as inability to deliver dry hair cleansing/smoothness

Inactive Publication Date: 2009-09-23
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these shampoo compositions, while effective in delivering wet hair conditioning benefits, do not deliver satisfactory dry hair cleans / smooth feel

Method used

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  • Composition comprising a particulate zinc material, a pyrithione or a polyvalent metal salt of a pyrithione and a gel network
  • Composition comprising a particulate zinc material, a pyrithione or a polyvalent metal salt of a pyrithione and a gel network
  • Composition comprising a particulate zinc material, a pyrithione or a polyvalent metal salt of a pyrithione and a gel network

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Experimental program
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preparation example Construction

[0401] Preparation of Gel Network Premix

[0402] To prepare the gel network premix, about 20% of the water is heated to a temperature higher than the melting point of the highest melting point material in the gel network premix. In one non-limiting example, the temperature is generally in the range of about 65°C to about 90°C. The gel network components of the present invention can be prepared by heating and mixing the aliphatic amphiphile, the second surfactant, and water to a temperature at least about 3 degrees Celsius above the melting point of the highest melting point species in the gel network phase. After addition, the mixture was passed through a mill and heat exchanger where it was cooled to about 35°C. As a result of this cooling step, the aliphatic amphiphile, second surfactant and water form a crystalline gel network.

[0403] For mixtures with different aliphatic amphiphiles, it may be beneficial to premix the aliphatic amphiphiles prior to incorporation int...

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Abstract

The present invention relates to a composition comprising an effective amount of a particulate zinc material, an effective amount of a detersive surfactant including a surfactant with an anionic functional group, an effective amount of a pyrithione or a polyvalent metal salt of a pyrithione, a dispersed gel network phase comprising: i) at least about 0.05% of one or more fatty amphiphiles, by weight of said shampoo composition; ii) at least about 0.01% of one or more secondary surfactants, by weight of said shampoo composition; and iii) water; and at least about 20% of an aqueous carrier, by weight of said shampoo composition.

Description

Field of Invention [0001] The present invention relates to a combination consisting of an effective amount of particulate zinc material, a surfactant having anionic functional groups, an effective amount of pyrithione or a polyvalent metal salt of pyrithione, and a gel network comprising an aliphatic amphiphile thing. More specifically, the present invention relates to personal care compositions and methods for treating dandruff and compositions that provide improved anti-dandruff activity. Background of the Invention [0002] Of the trace metals, zinc is the second most abundant metal in the human body and catalyzes almost every biological process, directly or indirectly, by being contained in many different metalloenzymes. The key role that zinc plays can be seen in the symptoms of dietary deficiencies, including dermatitis, anorexia, hair loss and stunted growth. Zinc is especially important for skin health, and zinc (usually in the form of zinc oxide or smithsonite) ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/27A61K8/49A61K8/41A61K8/42A61K8/46A61K8/24A61K8/60A61Q5/00A61K8/73A61K8/36A61K8/37
CPCA61K8/39A61K8/4933A61K8/361A61K8/37A61K8/737A61K8/342A61K31/555A61K8/463A61K8/42A61Q5/00A61Q5/02A61K8/0295A61K8/49A61K8/27A61K8/042A61K8/416A61K8/60A61Q5/006A61K8/375A61Q5/12
Inventor 詹姆斯·R·施瓦茨埃里克·S·约翰逊邦尼·T·金卡尔·H·玛格拉夫三世格雷戈里·V·托莫斯戴维·T·沃恩克德博拉·W·张戴维·S·邓洛普凯文·M·拉比茨克桑德拉·L·穆拉夫斯基威廉·J·戈尔西奥多·J·维布鲁格伊丽莎白·M·M·埃尔斯纳詹尼弗·E·希尔沃特金英堃布赖恩·M·赫尔利特里萨·C·曼纽尔
Owner THE PROCTER & GAMBLE COMPANY
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