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.

公开(公告)号：US20150147370A1

公开(公告)日：2015-05-28

申请号：US14613921

申请日：2015-02-04

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Hirokazu MATSUSHITA ,  Shingo HOSODA ,  Chiaki KATAYAMA

IPC: A61K8/81 ,  A61Q17/04 ,  A61K8/19

CPC classification number: A61K8/8141 ,  A61K8/11 ,  A61K8/19 ,  A61K8/27 ,  A61K8/29 ,  A61K8/8152 ,  A61K2800/412 ,  A61K2800/413 ,  A61K2800/624 ,  A61K2800/95 ,  A61Q17/04 ,  C08F2/22 ,  C08F2/44 ,  C08K3/22 ,  C08K2003/2213 ,  C08K2003/2237 ,  C08K2003/2265 ,  C08K2003/2296 ,  C08K2201/003 ,  C08L33/00

Abstract: The present invention relates to a method for manufacturing metallic oxide particle-containing resin powder including: dispersing metallic oxide particles having a specific average particle diameter and a UV shielding function in a (meth)acrylic-based resin monomer to produce a (meth)acrylic-based resin monomer dispersion liquid; suspending or emulsifying the (meth)acrylic-based resin monomer dispersion liquid; and, adding a polymerization initiator to cause suspension polymerization or emulsification polymerization, thereby generating metallic oxide particle-containing resin powder, and provides metallic oxide particles which are dispersed in the resin powder without being exposed on the surface of the resin powder, the powder includes fine particles, the UV absorbing performance, and the transparency with respect to visible light rays are improved.

Abstract translation: 本发明涉及含金属氧化物粒子的树脂粉末的制造方法，其特征在于，在（甲基）丙烯酸类树脂单体中分散具有特定平均粒径和紫外线屏蔽功能的金属氧化物粒子，制造（甲基）丙烯酸 基树脂单体分散液; 悬浮或乳化（甲基）丙烯酸系树脂单体分散液; 并加入聚合引发剂进行悬浮聚合或乳化聚合，从而产生含金属氧化物颗粒的树脂粉末，并且提供分散在树脂粉末中的金属氧化物颗粒，而不暴露在树脂粉末的表面上，粉末包括 提高了细颗粒，UV吸收性能和相对于可见光线的透明度。