Method for producing free powder particles of polyamide impregnated with at least one cosmetic or pharmaceutical agent, and free powder particles of polyamide having a content of at least 25 WT % of a cosmetic or pharmaceutical agent other than water

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专利权人:

Karine Loyen

发明人:

Karine Loyen

申请号：

US13265420

公开号：

US09764167B2

申请日:

2010.04.16

申请国别(地区):

US

年份:

2017

代理人:

摘要：

The invention relates to a method for producing free powder particles of polyamide, impregnated with at least one cosmetic or pharmaceutical agent. The present invention also relates to free powder particles of polyamide having a content of at least 25% by weight of a cosmetic or pharmaceutical agent other than water, to the use of said particles in a cosmetic, pharmaceutical or perfumery products, and to compositions containing such particles.

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中国工程科技知识中心

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http://www.ckcest.cn/home/