method for the production of polyamide free powder particles and impregnated with at least one cosmetic or pharmaceutical agent, and polyamide free powder particles with a content of at least 25% by weight of at least one cosmetic or pharmaceutical agent

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专利权人:

ARKEMA FRANCE

发明人:

KARINE LOYEN

申请号：

BRPI1014421

公开号：

BRPI1014421A2

申请日:

2010.04.16

申请国别(地区):

BR

年份:

2016

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.

来源网站：

中国工程科技知识中心

来源网址：

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