公开(公告)号：US20230077466A1

公开(公告)日：2023-03-16

申请号：US17796092

申请日：2021-02-17

Applicant: SHISEIDO COMPANY, LTD. ,  NOF CORPORATION

Inventor： Tetsuya KANEMARU ,  Yoshihiro NISHIYAMA ,  Takuya HIRUMA ,  Yuka IWAHASHI ,  Takeshi YOSHIMURA ,  Mako IWASAKI

IPC: A61K8/36 ,  A61Q19/10

Abstract: The invention relates to particles of a calcium salt of a fatty acid having 12 to 22 carbon atoms, wherein the median size is 4.0 μm to 15.0 μm, the particle size digest A expressed by the following equation (1) satisfies the relation A≤2.0, and the average thickness is 350 to 800 nm. Particle size digest A=(D90−D10)/D50  equation (1) (Here, 4.0≤D50≤15.0.) D10: the 10% cumulative size (μm) of the fatty acid calcium salt particles on a volumetric basis D50: the median size (μm) of the fatty acid calcium salt particles on a volumetric basis D90: the 90% cumulative size (μm) of the fatty acid calcium salt particles on a volumetric basis

公开(公告)号：US20250049646A1

公开(公告)日：2025-02-13

申请号：US18713334

申请日：2022-12-09

Applicant: SHISEIDO COMPANY, LTD.

Inventor： Ai TAKAMURA ,  Kyoko JOICHI ,  Yoshihiro NISHIYAMA

IPC: A61K8/02 ,  A61K8/19 ,  A61K8/25 ,  A61K8/29 ,  A61K8/36 ,  A61K8/44 ,  A61Q1/02 ,  A61Q1/12

Abstract: The purpose of the present invention is to provide a solid powder composition having excellent moldability and impact resistance, the solid powder composition having good payoff, having no powdery feeling, and naturally taking on an even finish when configured as a cosmetic product. The present invention relates to a powder solid composition characterized by containing: (A) 0.1-30% by mass of an inorganic pigment treated with a surface treatment agent including an amino acid and/or a derivative thereof; and (B) 0.1-5% by mass of a metallic soap.