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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
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.
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公开(公告)号：US20180289600A1
公开(公告)日：2018-10-11
申请号：US15525536
申请日：2015-11-11
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Syunsuke SUMA , Tetsuro ITAGAKI , Hirokazu MATSUSHITA
IPC: A61K8/25 , A61K8/02 , A61K8/27 , A61Q1/02 , A61Q1/04 , A61Q1/08 , A61Q1/10 , A61Q17/04 , A61Q19/00 , C09C1/04
Abstract: The present invention provides silicon oxide-coated zinc oxide in which, in a silica coating formed of a silicate alkali metal salt, the elution of zinc ions is suppressed, a method for preparing the same, a composition containing silicon oxide-coated zinc oxide, and a cosmetic material. The silicon oxide-coated zinc oxide of the present invention is silicon oxide-coated zinc oxide formed by coating surfaces of zinc oxide particles with a silicon oxide coating, in which an average primary particle diameter of the zinc oxide particles is more than 50 nm and 500 nm or less, and when held in a buffer solution having a pH of 5 for 1 hour, an elution ratio S of the zinc oxide defined by following Expression (1) is 50% or less. Elution ratio S=(amount of eluted zinc oxide)/(amount of zinc oxide in silicon oxide-coated zinc oxide) (1)
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公开(公告)号：US20170095407A1
公开(公告)日：2017-04-06
申请号：US15126140
申请日：2015-03-30
Applicant: Sumitomo Osaka Cement Co., Ltd
Inventor： Tetsuro ITAGAKI , Gaku FUJIHASHI , Syunsuke SUMA
CPC classification number: A61K8/27 , A61K8/0241 , A61K8/25 , A61K2800/412 , A61K2800/413 , A61K2800/621 , A61Q17/04 , C01P2002/82 , C01P2002/86 , C01P2004/62 , C01P2004/64 , C01P2004/84 , C01P2006/22 , C09C1/043
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.
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公开(公告)号：US20240139085A1
公开(公告)日：2024-05-02
申请号：US18278176
申请日：2022-02-21
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Syunsuke SUMA
CPC classification number: A61K8/27 , A61Q17/04 , A61K2800/612 , A61K2800/651 , A61K2800/81
Abstract: Surface-modified zinc oxide particles of the disclosure are surface-modified zinc oxide particles in which the particle surfaces of zinc oxide particles are treated with a hydrolyzable surface treatment agent, in which the color difference ΔE before and after irradiation with simulated sunlight is 4.0 or lower.
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公开(公告)号：US20230263708A1
公开(公告)日：2023-08-24
申请号：US17997352
申请日：2020-04-30
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Syunsuke SUMA , Masahiro NOBE
CPC classification number: A61K8/0245 , A61Q17/04 , A61K2800/412 , A61K2800/612 , A61K2800/651
Abstract: Surface-modified zinc oxide particles having a silane coupling agent having an alkoxy group on surfaces thereof, in which the surface-modified zinc oxide particles have 5.0 × 10-2 g2/s or more and 1.0 × 102 g2/s or less of a penetration rate coefficient A of cyclopentasiloxane with respect to the surface-modified zinc oxide particles, which is indicated by A in the following formula (1). W2 = A·t (1) (in the formula, W is a penetration weight (unit: g), and t is a time (unit: s).)
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Patent Agency Ranking
6.发明申请公开(公告)号：US20180161255A1
公开(公告)日：2018-06-14
申请号：US15553146
申请日：2016-02-24
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Syunsuke SUMA , Tetsuro ITAGAKI , Gaku FUJIHASHI , Hirokazu MATSUSHITA
CPC classification number: A61K8/27 , A61K8/25 , A61K8/8147 , A61K2800/62 , A61Q17/04 , C01P2002/52 , C01P2004/03 , C01P2004/60 , C01P2004/84 , C09C1/043
Abstract: Provided is silicon oxide-coated zinc oxide, which can inhibit a decrease in viscosity resulting from a carbomer in a case where the silicon oxide-coated zinc oxide is used in water-based materials, a composition containing silicon oxide-coated zinc oxide, and a cosmetic product. The silicon oxide-coated zinc oxide of the present invention contains zinc oxide particles and a silicon oxide coating on a surface of the zinc oxide particles, in which an electric conductivity of a water suspension of the silicon oxide-coated zinc oxide is 120 μS/cm or less.
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7.发明申请公开(公告)号：US20160287488A1
公开(公告)日：2016-10-06
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 , A61K8/25 , A61Q17/04 , A61Q1/08 , A61Q19/00 , A61Q1/12 , A61Q1/06 , A61Q1/10 , A61K8/27 , C09C1/04
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.
Abstract translation: 用本发明的氧化硅涂覆的氧化锌是用氧化硅涂覆的氧化锌，其中氧化锌颗粒的表面涂覆有氧化硅涂层，涂覆的氧化锌颗粒包含至少一种选自Mg ，Ca和Ba。
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公开(公告)号：US20250143985A1
公开(公告)日：2025-05-08
申请号：US18836757
申请日：2023-03-28
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Syunsuke SUMA
Abstract: Surface-modified zinc oxide particles are surface-modified zinc oxide particles where particle surfaces of zinc oxide particles are treated with a hydrolyzable surface treatment agent, in which a color difference ΔE before and after irradiation with simulated sunlight is 4.0 or lower, and an oil absorption amount of cyclopentasiloxane is 20 mL/100 g or less.
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公开(公告)号：US20230218488A1
公开(公告)日：2023-07-13
申请号：US17997348
申请日：2020-04-30
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Syunsuke SUMA , Masahiro NOBE
CPC classification number: A61K8/0245 , A61Q17/04 , A61K2800/612 , A61K2800/412 , A61K2800/651
Abstract: Surface-modified zinc oxide particles which have a silane coupling agent having an alkoxy group on surfaces thereof, in which d50 when measured with a laser diffraction/scattering type particle size distribution-measuring instrument by the following measurement method is 4 μm or less. (Measurement method) 10 g of the surface-modified zinc oxide particles, 88 g of cyclopentasiloxane, and 2 g of polyglyceryl-3 polydimethylsiloxyethyl dimethicone are mixed to obtain a liquid mixture, a dispersion treatment is performed on the obtained liquid mixture at 9,500 rpm for 5 minutes using a homogenizer to obtain a liquid dispersion, the liquid dispersion is diluted with cyclopentasiloxane so that a content of the surface-modified zinc oxide particles in the obtained liquid dispersion is 0.01% by mass to produce a measurement solution, and d50 is measured with the laser diffraction/scattering type particle size distribution-measuring instrument using the obtained measurement solution.
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公开(公告)号：US20220169862A1
公开(公告)日：2022-06-02
申请号：US17393245
申请日：2021-08-03
Applicant: SUMITOMO OSAKA CEMENT CO., LTD.
Inventor： Tadashi NEYA , Masahiro NOBE , Syunsuke SUMA
Abstract: A zinc oxide powder in which a BET specific surface area (X) of the powder is 1.5 m2/g or more and 65 m2/g or less, a value obtained by a formula: an apparent specific volume (mL/g) measured by a loose packing method of the zinc oxide powder/an apparent specific volume (mL/g) measured by a tapping method of the zinc oxide powder is 1.5 or more and 2.5 or less, and Formula (1) and Formula (2) shown below are satisfied. A1/E2=aX+0.06 (1) (M2−M1)/E2≥0.02 (2)
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