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:
Dec. 10, 2024
Filed:
Jul. 25, 2019
Miyoshi Kasei, Inc., Tokyo, JP;
Yukio Hasegawa, Tokyo, JP;
MIYOSHI KASEI, INC., Tokyo, JP;
Abstract
A hydrophilic inorganic powder having excellent self-dispersibility in water or an aqueous solvent, which could not be conventionally achieved, and a cosmetic preparation containing the hydrophilic inorganic powder are provided by combining a hydrophilic surfactant and lipophilic surfactant. There is provided the hydrophilic inorganic powder comprising an inorganic powder as a base material; a hydrophobic-coat that covers the surface of the inorganic powder; and a hydrophilic-coat that covers the hydrophobic-coat, wherein ingredients of the hydrophilic-coat comprises both a hydrophilic surfactant and a lipophilic surfactant, and each of the hydrophilic surfactant and the lipophilic surfactant has a branched alkyl moiety in their molecules, wherein the hydrophilic inorganic powder has self-dispersibility in water or an aqueous solvent.