AQUEOUS DISPERSION OF INORGANIC POWDER PARTICLES SUBJECTED TO HYDROPHOBIC ORGANIC SURFACE TREATMENT, AND COSMETIC INCLUDING SAME

Title:

AQUEOUS DISPERSION OF INORGANIC POWDER PARTICLES SUBJECTED TO HYDROPHOBIC ORGANIC SURFACE TREATMENT, AND COSMETIC INCLUDING SAME

Document Type and Number:

WIPO Patent Application WO/2015/125622

Kind Code:

A1

Abstract:

[Problem] To provide a cosmetic that has a nice feel and is highly repellent to sweat and water, and with which it is possible to prepare a stable O/W preparation having an ultraviolet-shielding effect. [Solution] Disclosed is an aqueous dispersion comprising inorganic powder particles subjected to hydrophobic organic surface treatment, a polyol, water, and a nonionic surfactant, wherein: the nonionic surfactant dissolves transparently and/or with slight turbidity (at a concentration of 20 mass% at 35°C) in 1,3-butylene glycol; and the aqueous dispersion comprises greater than or equal to 30 mass% of said inorganic powder particles.

Inventors:

ASHIDA TAKURO (JP)
MAGARA KOICHIRO (JP)
SANO AKIFUMI (JP)
SHIKE AYANA (JP)

Application Number:

PCT/JP2015/053244

Publication Date:

August 27, 2015

Filing Date:

February 05, 2015

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SAKAI CHEMICAL INDUSTRY CO (JP)

International Classes:

A61K8/19; A61K8/27; A61K8/29; A61K8/34; A61K8/894; A61Q17/04

Domestic Patent References:

WO2013018827A1

2013-02-07

Foreign References:

JP2007119741A	2007-05-17
JP2010143852A	2010-07-01
JPH06116120A	1994-04-26
JPH07247119A	1995-09-26
JP2000072623A	2000-03-07

Other References: