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Patent Searching and Data


Title:
CELLULOSE ACETATE PARTICLES, COSMETIC COMPOSITION, AND CELLULOSE ACETATE PARTICLE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/156116
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide microparticles having excellent biodegradability and tactile properties. Provided are cellulose acetate particles having an average particle size of 80 nm to 100 μm, a sphericity of 0.7 to 1.0, a surface smoothness of 80% to 100%, and a total degree of acetyl substitution in the cellulose acetate of 0.7 to 2.9.

Inventors:
KOBAYASHI, Keiko (18-1 Konan 2-chome, Minato-k, Tokyo 30, 〒1088230, JP)
OMURA, Masaya (18-1 Konan 2-chome, Minato-k, Tokyo 30, 〒1088230, JP)
Application Number:
JP2019/004230
Publication Date:
August 15, 2019
Filing Date:
February 06, 2019
Export Citation:
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Assignee:
DAICEL CORPORATION (3-1 Ofuka-cho, Kita-ku Osaka-sh, Osaka 11, 〒5300011, JP)
International Classes:
C08J3/12; A61K8/73; C08L1/12; C08B3/06
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (3rd Fl, Bo-eki Bldg. 123-1, Higashimachi, Chuo-ku, Kobe-sh, Hyogo 31, 〒6500031, JP)
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