Title:
六方晶窒化ホウ素粉末及びその製造方法、並びに、化粧料及びその製造方法
Document Type and Number:
Japanese Patent JP7360962
Kind Code:
B2
Abstract:
To provide a hexagonal boron nitride powder suitable for cosmetic raw materials.SOLUTION: The present disclosure provides a hexagonal boron nitride powder that contains primary particles of hexagonal boron nitride, with a specific surface area of less than 2.5 m2/g, a total oxygen content of 0.30 mass% or less, and an oil absorption amount of 40 mL/100 g or more and less than 100 mL/100 g.SELECTED DRAWING: None
Inventors:
Go Takeda
Takaaki Tanaka
Takaaki Tanaka
Application Number:
JP2020010298A
Publication Date:
October 13, 2023
Filing Date:
January 24, 2020
Export Citation:
Assignee:
Denka Company Limited
International Classes:
C01B21/064; A61K8/19; A61Q1/00
Domestic Patent References:
| JP2015212217A | ||||
| JP2018108970A | ||||
| JP2014094878A | ||||
| JP2016160134A |
Foreign References:
| WO2018066277A1 | ||||
| WO2014049956A1 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Takeshi Nakatsuka
Yoshinori Shimizu
Takeshi Nakatsuka