Title:
ZINC OXIDE POWDER, LIQUID DISPERSION, COATING MATERIAL, AND COSMETIC
Document Type and Number:
WIPO Patent Application WO/2023/145102
Kind Code:
A1
Abstract:
The zinc oxide powder according to the present invention has a BET specific surface area of 1.5 m2/g or more and less than 8 m2/g, an apparent specific volume of 0.8 mL/g to 4.0 mL/g inclusive when measured by a loose packing method, and a value determined by dividing an apparent specific volume (mL/g) measured by the loose packing method by an apparent specific volume (mL/g) measured by a tapping method (i.e., an (apparent specific volume measured by loose packing method)/(apparent specific volume measured by tapping method) value) of 1.50 to 2.50 inclusive.
Inventors:
NEYA TADASHI (JP)
SUMA SYUNSUKE (JP)
SUMA SYUNSUKE (JP)
Application Number:
PCT/JP2022/018859
Publication Date:
August 03, 2023
Filing Date:
April 26, 2022
Export Citation:
Assignee:
SUMITOMO OSAKA CEMENT CO LTD (JP)
International Classes:
C01G9/02; A61K8/27; A61Q1/00; A61Q17/04; A61Q19/00
Domestic Patent References:
| WO2017038635A1 | 2017-03-09 |
Foreign References:
| JP2016199437A | 2016-12-01 | |||
| JP2016141578A | 2016-08-08 | |||
| JP2011509906A | 2011-03-31 | |||
| JP2006248999A | 2006-09-21 | |||
| JP2005232069A | 2005-09-02 |
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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