Title:
POLYSACCHARIDE COMPOSITE PARTICLES
Document Type and Number:
WIPO Patent Application WO/2021/182498
Kind Code:
A1
Abstract:
The present invention provides a cosmetic powder which has excellent light scattering ability and from which an excellent use feeling can be obtained when applied on the skin. It was discovered that: particles, obtained by spraying and drying a dispersion liquid of cellulose or a cellulose derivative and talc or mica, have excellent light scattering ability and improve inferior use feeling on the skin characteristic to tabular powders and inferior adhesive properties characteristic to spherical powders; and such particles express excellent concealing ability when blended in cosmetics such as foundations, in particular.
Inventors:
KATSUYA MUTSUHIRO (JP)
Application Number:
PCT/JP2021/009459
Publication Date:
September 16, 2021
Filing Date:
March 10, 2021
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
A61K8/25; A61K8/02; A61K8/73; A61Q1/00; C08K3/34; C08L1/00
Domestic Patent References:
| WO2019151486A1 | 2019-08-08 | |||
| WO2014088072A1 | 2014-06-12 |
Foreign References:
| JP2011057567A | 2011-03-24 | |||
| JPH10251301A | 1998-09-22 | |||
| JP2017178888A | 2017-10-05 | |||
| JP2014118521A | 2014-06-30 | |||
| JP2005053807A | 2005-03-03 |
Other References:
UETANI, KOUJIROU ET AL.: "Structural control of nanocellulose by droplet drying method", PREPRINTS OF THE 19TH CELLULOSE R & D ANNUAL MEETING OF CELLULOSE SOCIETY OF JAPAN, 1 July 2012 (2012-07-01), pages 108
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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