Title:
化粧料用顔料の水分散体およびその製造方法
Document Type and Number:
Japanese Patent JP7219781
Kind Code:
B2
Abstract:
One of the purposes of the present invention is to provide an aqueous dispersion comprising a cosmetic pigment, which aqueous dispersion is stable with time, capable of forming a film with sufficient water resistance (water repellency), and provides a stable cosmetic preparation which does not cause caking; and a method for preparing the aqueous dispersion. The present invention provides an aqueous dispersion of a cosmetic pigment, water and hydroxypropylmethyl cellulose phthalate, wherein the cosmetic pigment is surface-silylated with an alkyltrialkoxysilane. The present invention further provides a method for preparing an aqueous dispersion containing the cosmetic pigment having a surface-silylated with an alkyltrialkoxysilane.
Inventors:
Kentaro Watanabe
Application Number:
JP2020572239A
Publication Date:
February 08, 2023
Filing Date:
February 10, 2020
Export Citation:
Assignee:
Nissin Chemical Industry Co., Ltd.
International Classes:
A61K8/26; A61K8/73; A61K8/27; A61K8/29; A61Q17/04
Domestic Patent References:
| JP2008266503A | ||||
| JP2007197545A | ||||
| JP2006232674A | ||||
| JP2013091625A |
Attorney, Agent or Firm:
Mitsuo Matsui
Hiroshi Murakami
Yukari Kato
Kawamura English
Hiroshi Murakami
Yukari Kato
Kawamura English
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