The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 15, 2014
Filed:
Jan. 23, 2012
Yuhya Watanabe, Tokyo, JP;
Ikko Tanaka, Tokyo, JP;
Yuhya Watanabe, Tokyo, JP;
Ikko Tanaka, Tokyo, JP;
Nikko Chemicals Co., Ltd., Tokyo, JP;
Cosmos Technical Center Co., Ltd., Tokyo, JP;
Abstract
The objects of the present invention are to provide a surface-treated powder that is excellent in water repellency and oil repellency and provides smooth texture and good adhesion when applied to skin, to produce the surface-treated powder simply and inexpensively, and to provide cosmetics comprising the surface-treated powder. Specifically, according to the present invention, a surface-treated powder wherein the surface of a material powder is treated with perfluoropolyetherphosphate represented by general formula (1) and an anionic polymer having a perfluoropolyether chain, which is represented by general formula (2), or perfluoropolyetherphosphate represented by general formula (1) and a cationic polymer having a perfluoropolyether chain, which is represented by general formula (3), and cosmetics comprising the surface-treated powder are provided.