公开(公告)号：US11497695B2

公开(公告)日：2022-11-15

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 ,  A61Q17/04 ,  A61K8/04 ,  C01G9/02

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：US09642785B2

公开(公告)日：2017-05-09

申请号：US14783135

申请日：2014-03-31

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： Tetsuro Itagaki ,  Yoshiki Kusahara ,  Gaku Fujihashi ,  Syunsuke Suma

IPC: A61K8/27 ,  A61K8/25 ,  B01J2/00 ,  A61K8/02 ,  C09C1/04 ,  A61Q17/04 ,  A61K8/11

CPC classification number: A61K8/27 ,  A61K8/0241 ,  A61K8/11 ,  A61K8/25 ,  A61K2800/413 ,  A61K2800/621 ,  A61K2800/651 ,  A61Q17/04 ,  B01J2/006 ,  C01P2002/86 ,  C01P2004/04 ,  C01P2004/64 ,  C01P2004/84 ,  C09C1/043

Abstract: Provided are a silicon-oxide-coated zinc oxide capable of suppressing the elution of zinc ions from zinc oxide particles, a method for manufacturing the same, a silicon-oxide-coated-zinc-oxide-containing composition, and a cosmetic. The silicon-oxide-coated zinc oxide is a silicon-oxide-coated zinc oxide formed by coating the surfaces of zinc oxide particles with a silicon oxide coating, in which the average particle diameter of the zinc oxide particles is in a range of 1 nm or more and 50 nm or less, when the abundance ratio of silicon in the silicon oxide coating in a Q3 environment is indicated by Q3, and the abundance ratio in a Q4 environment is indicated by Q4, Q3+Q4≧0.6 and Q4/(Q3+Q4)≧0.5, and furthermore, the decomposition ratio of Brilliant Blue generated by the photocatalytic activity of the zinc oxide particles is 3% or less.

公开(公告)号：US09855197B2

公开(公告)日：2018-01-02

申请号：US15035620

申请日：2014-11-13

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： Tetsuro Itagaki ,  Syunsuke Suma ,  Gaku Fujihashi

IPC: A61K8/02 ,  A61Q1/08 ,  A61Q1/12 ,  A61Q19/00 ,  A61Q1/06 ,  A61K8/25 ,  C09C1/04 ,  A61K8/27 ,  A61Q17/04 ,  A61Q1/10

CPC classification number: A61K8/0241 ,  A61K8/25 ,  A61K8/27 ,  A61K2800/412 ,  A61K2800/413 ,  A61K2800/621 ,  A61Q1/06 ,  A61Q1/08 ,  A61Q1/10 ,  A61Q1/12 ,  A61Q17/04 ,  A61Q19/007 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/84 ,  C09C1/043

Abstract: Zinc oxide coated with silicon oxide of the present invention is zinc oxide which is coated with silicon oxide wherein surfaces of zinc oxide particles are coated with silicon oxide coatings, and the coated zinc oxide particles comprises at least one element selected from a group consisting of Mg, Ca, and Ba.

公开(公告)号：US10363204B2

公开(公告)日：2019-07-30

申请号：US15614126

申请日：2017-06-05

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Tetsuro Itagaki ,  Syunsuke Suma ,  Gaku Fujihashi

IPC: A61K8/02 ,  A61K8/27 ,  C09C1/04 ,  A61K8/25 ,  A61Q19/00 ,  A61Q17/04 ,  A61Q1/06 ,  A61Q1/08 ,  A61Q1/10 ,  A61Q1/12

Abstract: Zinc oxide coated with silicon oxide of the present invention is zinc oxide which is coated with silicon oxide wherein surfaces of zinc oxide particles are coated with silicon oxide coatings, and the coated zinc oxide particles comprises at least one element selected from a group consisting of Mg, Ca, and Ba.

公开(公告)号：US10238589B2

公开(公告)日：2019-03-26

申请号：US15126140

申请日：2015-03-30

Applicant: Sumitomo Osaka Cement Co., Ltd

Inventor： Tetsuro Itagaki ,  Gaku Fujihashi ,  Syunsuke Suma

IPC: A61K8/27 ,  A61K8/25 ,  A61K8/02 ,  C09C1/04 ,  A61Q17/04

Abstract: Provided are a silicon oxide-coated zinc oxide, a method for producing the same, a composition and a cosmetic including a silicon oxide-coated zinc oxide. The silicon oxide-coated zinc oxide is a silicon oxide-coated zinc oxide formed by coating surfaces of zinc oxide particles with a silicon oxide coat, in which an average particle diameter of the zinc oxide particles is in a range of more than 50 nm and 500 nm or less, and, when an abundance ratio of silicon in the silicon oxide coat in a Q3 environment is indicated by Q3, and an abundance ratio in a Q4 environment is indicated by Q4, Q3+Q4≥0.6 and Q4/(Q3+Q4)≥0.5 are satisfied.