Water-resistant cosmetic formulations comprising a hydrophobically modified vinylpyrrolidone copolymer

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专利权人:

Maximilian Angel;Klemens Mathauer;Veronique Kessler

发明人:

Veronique Kessler,Maximilian Angel,Klemens Mathauer

申请号：

US13519897

公开号：

US09364418B2

申请日:

2011.01.12

申请国别(地区):

US

年份:

2016

代理人:

摘要：

The present invention relates to the use of copolymers comprising N-vinylpyrrolidone and a hydrophobically modified acrylic acid derivative as agents for improving the water resistance of a cosmetic formulation, and to the use of these copolymers in sunscreen compositions for increasing the sun protection factor, and furthermore the present invention relates to cosmetic formulations comprising these copolymers.

来源网站：

中国工程科技知识中心

来源网址：

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