Invention Grant
- Patent Title: Zinc oxide powder, dispersion, and cosmetics
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Application No.: US16309388Application Date: 2016-12-27
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Publication No.: US11364185B2Publication Date: 2022-06-21
- Inventor: Syunsuke Suma , Shingo Hosoda , Kenichiro Nishida
- Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
- Current Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Merchant & Gould P.C.
- Priority: JPJP2016-118020 20160614
- International Application: PCT/JP2016/088878 WO 20161227
- International Announcement: WO2017/216989 WO 20171221
- Main IPC: A61K8/27
- IPC: A61K8/27 ; A61K8/02 ; A61K8/04 ; A61K8/25 ; A61K8/26 ; A61K8/44 ; A61K8/58 ; A61K8/81 ; A61K8/92 ; A61Q1/02 ; A61Q1/12 ; A61Q17/04
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.
Public/Granted literature
- US20190314254A1 ZINC OXIDE POWDER, DIPERSION, AND COSMETICS Public/Granted day:2019-10-17
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