Title:
POROUS PARTICLE, COSMETIC COMPOSITION, AND PRODUCTION METHOD FOR POROUS PARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/119927
Kind Code:
A1
Abstract:
The main component of this porous particle is a biodegradable polymer. The biodegradable polymer is an aliphatic polyester and/or a polysaccharide ester having a total substitution degree of 0.7-3.0. This porous particle has an average particle size of 0.08-100 μm, a sphericity of 0.7-1.0, and a relative specific surface area of more than 3.0 but not more than 20. This cosmetic composition contains the porous particles.
Inventors:
KOBAYASHI KEIKO (JP)
SAKAMOTO YUTA (JP)
SAKAMOTO YUTA (JP)
Application Number:
PCT/JP2022/041764
Publication Date:
June 29, 2023
Filing Date:
November 09, 2022
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
C08J9/26; A61K8/02; A61K8/73; A61K8/85; A61Q1/00; C08J3/12; C08K5/103; C08L1/10; C08L1/12; C08L3/02; C08L29/04; C08L67/00; C08L67/04
Domestic Patent References:
| WO2020188698A1 | 2020-09-24 | |||
| WO2017056908A1 | 2017-04-06 |
Foreign References:
| JP2020152851A | 2020-09-24 | |||
| JP6543920B2 | 2019-07-17 | |||
| JP2020530865A | 2020-10-29 | |||
| JP2020026480A | 2020-02-20 |
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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