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US 2019/0314254 A1Published application
Zinc oxide powder, dipersion, and cosmetics
AssigneeSumitomo Osaka Cement Co., Ltd.
InventorsSyunsuke SUMA, Shingo HOSODA, Kenichiro NISHIDA
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Abstract
In a zinc oxide powder of the present invention, a content of a water-soluble substance is 0.30% by mass or less, and a mass ratio between an alkali metal and an alkaline earth metal which are included in the water-soluble substance is in a range of 1:2 to 10:1.
Claims10
A zinc oxide powder,
- wherein a content of a water-soluble substance is 0.30% by mass or less, and a mass ratio between an alkali metal and an alkaline earth metal which are included in the water-soluble substance is in a range of 1:2 to 10:1.
Dependencies are inferred from the claim text.