Title:
セルロース誘導体粒子、化粧品組成物及びセルロース誘導体粒子の製造方法
Document Type and Number:
Japanese Patent JP7149885
Kind Code:
B2
Abstract:
An object of the present invention is to provide fine particles containing a semi-synthetic polymer of a cellulose derivative and excellent in tactile sensation.Solution to ProblemCellulose derivative particles including an alkoxy group having 2 or more carbons or an acyl group having 3 or more carbons, wherein the cellulose derivative particles have an average particle size of 80 nm or greater and 100 µm or less, a sphericity of 70% or greater and 100% or less, and a surface smoothness of 80% or greater and 100% or less; and a total substitution degree of the cellulose derivative is 0.7 or greater and 3 or less.
Inventors:
Keiko Kobayashi
Masaya Omura
Masaya Omura
Application Number:
JP2019054171A
Publication Date:
October 07, 2022
Filing Date:
March 22, 2019
Export Citation:
Assignee:
Daicel Corporation
International Classes:
C08J3/12; A61K8/73; A61Q1/12; C08B3/06; C08B3/10; C08B3/16; C08B11/02; C08B11/193; C08K5/103; C08L1/10
Domestic Patent References:
| JP2012021119A | ||||
| JP2009137806A | ||||
| JP2004059611A |
Foreign References:
| WO2008149894A1 |
Attorney, Agent or Firm:
Aiko Patent Office, a patent business corporation
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