Invention Application
- Patent Title: ZINC OXIDE PARTICLE, METHOD FOR PRODUCING THE SAME, ULTRAVIOLET SHIELDING AGENT, AND COSMETIC
- Patent Title (中): 氧化锌颗粒，其制造方法，超紫外线屏蔽剂和化妆品
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Application No.: US15107823Application Date: 2014-12-25
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Publication No.: US20160331650A1Publication Date: 2016-11-17
- Inventor: Satoru SUEDA , Mitsuo HASHIMOTO , Mizuho WADA
- Applicant: SAKAI CHEMICAL INDUSTRY CO., LTD.
- Priority: JP2013-271785 20131227
- International Application: PCT/JP2014/084207 WO 20141225
- Main IPC: A61K8/02
- IPC: A61K8/02 ; C09C1/04 ; A61K8/29 ; A61Q17/04 ; A61K8/27 ; A61K8/19
Abstract:
It is one of the objects of the present disclosure to provide hexagonal prism-shaped zinc oxide particles having improved ultraviolet shielding ratio at the wavelength of 400 nm or less without impairing the direct transition properties of electronic excitation thereof and having remarkably improved ultraviolet shielding ratio for UV-B radiation and UV-A radiation.A zinc oxide particle containing a solid solution of a Ti element and/or a Fe element and a Zn element in at least a portion thereof, and having a hexagonal prism shape.
Public/Granted literature
- US09775787B2 Zinc oxide particle, method for producing the same, ultraviolet shielding agent, and cosmetic Public/Granted day:2017-10-03
Information query
