Back to results
US 2025/0049652 A1Published application
Aqueous dispersion and cosmetic
AssigneeMiyoshi Kasei, Inc.
InventorYukio Hasegawa
Life of this patent
Estimating the term…
Abstract
Provided is an aqueous dispersion, containing at least 3 components of (A) polyoxyethylene (5 to 15) isostearyl ether, (B) water, and (C) hydrophobized inorganic powder. The aqueous dispersion has an excellent long term dispersion stability and excellent suitability in use.
Claims8
An aqueous dispersion, comprising at least 3 components of
- (A) polyoxyethylene (5 to 15) isostearyl ether,
- (B) water, and
- (C) hydrophobized inorganic powder,
- wherein the aqueous dispersion has an excellent dispersion stability and excellent suitability in use satisfying a cycle test:
- −20° C. to 40° C./2 weeks, a cycle test:
- 5° C. to 60° C./2 weeks and an acceleration test 40±2° C./75% RH±5% RH/6 months, and
- (C) the hydrophobized inorganic powder comprises any one or more of titanium oxide, zinc oxide, or iron oxide having a primary particle size of 3 μm or less, and wherein the aqueous dispersion has a content ratio of the hydrophobized inorganic powder of 40 wt % or more.
4 more elements
Dependencies are inferred from the claim text.