公开(公告)号：US20190314254A1

公开(公告)日：2019-10-17

申请号：US16309388

申请日：2016-12-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Syunsuke SUMA ,  Shingo HOSODA ,  Kenichiro NISHIDA

IPC: A61K8/27 ,  A61Q1/02 ,  A61Q1/12 ,  A61K8/04 ,  A61K8/02 ,  A61K8/26 ,  A61K8/44 ,  A61K8/58 ,  A61K8/81 ,  A61K8/92 ,  A61Q17/04 ,  A61K8/25

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.

公开(公告)号：US20180256461A1

公开(公告)日：2018-09-13

申请号：US15755493

申请日：2016-08-25

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Gaku FUJIHASHI ,  Shingo HOSODA ,  Kenichiro NISHIDA ,  Syunsuke SUMA

IPC: A61K8/27 ,  A61K8/04 ,  A61Q17/04

CPC classification number: A61K8/27 ,  A61K8/04 ,  A61Q17/04 ,  C01G9/02 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/22 ,  C01P2006/40

Abstract: Zinc oxide powder of the present invention contains zinc oxide particles, in which primary particles of the zinc oxide particles have a minor axis of 35 nm or more and 350 nm or less and have a Heywood diameter of 35 nm or more and 400 nm or less, and a coefficient of variation of a number distribution of the Heywood diameters of the primary particles of the zinc oxide powder is 50% or less.