Title:
UV RAY-BLOCKING PARTICULATE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/145450
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a cosmetic powder that has excellent UV-blocking capability and can also be used in combination with a conventional UV-blocking agent to improve the use sensation thereof and to enhance the UV-blocking capability thereof. Provided is a particulate composition having a rugged structure on the surface thereof, and containing as main components: cellulose or a cellulose derivative; and a clay mineral. Also provided is a method for producing said particulate composition. Such particulate composition is soft, has a good use sensation and excellent UV-blocking capability, and in particular, exhibits the superior effect of enhancing the UV-blocking capability when mixed in a cosmetic containing a conventional UV-blocking agent. The particulate composition, therefore, is useful as a cosmetic.
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Inventors:
KATSUYA MUTSUHIRO (JP)
Application Number:
PCT/JP2021/001363
Publication Date:
July 22, 2021
Filing Date:
January 15, 2021
Export Citation:
Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
A61K8/73; A61K8/25; A61K8/26; A61Q17/04
Domestic Patent References:
| WO2019151486A1 | 2019-08-08 | |||
| WO2014088072A1 | 2014-06-12 | |||
| WO2020054810A1 | 2020-03-19 |
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, KOJIRO ET AL.: "Structural control of nanocellulose by drop drying method", LECTURE ABSTRACTS OF THE 19TH ANNUAL MEETING OF THE CELLULOSE SOCIETY OF JAPAN, vol. 19, 1 July 2012 (2012-07-01), pages 108
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (JP)
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