| 发明名称 | Non-irritating benzoyl peroxide | ||
| 摘要 | A method of making crystalline benzoyl peroxide particles having a particle size no greater than 25 microns and formed by wet milling in the absence of solvents and wherein the crystalline benzoyl peroxide is not irritating to the skin. A method of making a therapeutic or cosmetic composition comprising a water-based gel containing the crystalline benzoyl peroxide. | ||
| 申请公布号 | US9072675(B2) | 申请公布日期 | 2015.07.07 |
| 申请号 | US201414178460 | 申请日期 | 2014.02.12 |
| 申请人 | Essential Ingredients, Inc. | 发明人 | Gerlach Chris;Davies Mike;Dawes Stephen M. |
| 分类号 | A61K8/38;A61K8/04;A61K9/14;A61K9/06;A61K9/00;C07C407/00;C07C409/34;A61Q19/00 | 主分类号 | A61K8/38 |
| 代理机构 | Banner & Witcoff, Ltd. | 代理人 | Banner & Witcoff, Ltd. |
| 主权项 | 1. A method of preparing crystalline, solvent-free, benzoyl peroxide particles comprising: adding water to solid benzoyl peroxide; milling to break up agglomerates and form an aqueous benzoyl peroxide composition; adding a dispersion system and mixing; adjusting the pH to 2.8 to 6.6; and milling to a particle size not more than 25 microns. | ||
| 地址 | Lawrenceville GA US | ||