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Title:
COMPOSITE PARTICLES, METHOD FOR PRODUCING COMPOSITE PARTICLES, DRY POWDER, COMPOSITION FOR APPLICATION TO SKIN, AND METHOD FOR PRODUCING COMPOSITION FOR APPLICATION TO SKIN
Document Type and Number:
WIPO Patent Application WO/2019/208802
Kind Code:
A1
Abstract:
The present invention provides: novel easily-handleable composite particles which are provided with biodegradability, while maintaining the characteristics of cellulose nanofibers; a method for producing these composite particles; a dry powder which contains these composite particles; a composition for application to the skin; and a method for producing a composition for application to the skin. According to the present invention, each one of composite particles (5), for example, comprises at least one kind of particle (3) and a fined cellulose (1) that covers at least a part of the surface of the particle (3); and the particle (3) and the fined cellulose (1) are in an inseparable state.

Inventors:
YABUHARA Yasushi (5-1, Taito 1-chome, Taito-k, Tokyo 16, 〒1100016, JP)
ISOGAI Takuya (5-1, Taito 1-chome, Taito-k, Tokyo 16, 〒1100016, JP)
Application Number:
JP2019/018047
Publication Date:
October 31, 2019
Filing Date:
April 26, 2019
Export Citation:
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Assignee:
TOPPAN PRINTING CO.,LTD. (5-1 Taito 1-chome, Taito-ku Tokyo, 16, 〒1100016, JP)
International Classes:
C08L101/00; C08F2/22; C08F251/02; C08L1/02; C08B5/00; C08B11/12; C08B15/04; C08L101/16
Domestic Patent References:
WO2007136086A12007-11-29
WO2018110245A12018-06-21
Foreign References:
JP2017114768A2017-06-29
JP2016155897A2016-09-01
JP2017061594A2017-03-30
JP2019038949A2019-03-14
Attorney, Agent or Firm:
HIROSE Hajime et al. (NICHIEI Patent and Trademark Attorneys, Shiroyama Trust Tower 32F 3-1, Toranomon 4-chome, Minato-k, Tokyo 32, 〒1056032, JP)
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