公开(公告)号：JP2007056082A

公开(公告)日：2007-03-08

申请号：JP2005240515

申请日：2005-08-23

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： YAMAJI KOICHI ,  KANZAKI MICHINORI

IPC: C09C3/12 ,  A61K8/18 ,  A61Q1/02 ,  C09C1/04 ,  C09C1/36 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a surface treated product of finely-powdered titanium oxide or finely-powdered zinc oxide, having excellent dispersibility and scarcely increasing viscosity even when mixed into a cosmetic or silicone oil slurry in a large amount in case of preparing them.
SOLUTION: This product of the finely-powdered titanium oxide or the finely-powdered zinc oxide coated with a mixture of dimethicone and a dimethicone/methicone copolymer is obtained by using finely-powdered titanium oxide or finely-powdered zinc oxide having an average particle diameter of 5-100 nm as a base material, adding the mixture of the dimethicone and the dimethicone/methicone copolymer given by mixing them in a mass ratio of 10:1 to 10:5 to the base material, and coating surfaces of the finely-powdered titanium oxide or the finely-powdered zinc oxide composing the base material with the mixture of the dimethicone and the dimethicone/methicone copolymer in an amount of 10-30 mass% based on the base material. The silicone oil slurry is obtained by dispersing the product in a silicone oil. The cosmetic is obtained by being compounded of the slurry.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：为了提供粉末状氧化钛或细粉末状氧化锌的表面处理产物，即使在大量混入化妆品或硅油浆料中时也具有优异的分散性和粘度几乎不增加的情况 准备他们 解决方案：使用二氧化硅硅氧烷和二甲基硅氧烷/甲基丙烯酸共聚物的混合物涂覆的二氧化钛微粉末或细粉末状氧化锌的产品是通过使用细粉末状氧化钛或具有 平均粒径为5〜100nm的基体材料，通过将二甲聚硅氧烷和二甲聚硅氧烷/甲基丙烯酸酯共聚物的混合物以10:1〜10:5的质量比混合而添加到基材中， 以二甲基硅氧烷和聚二甲基硅氧烷/甲基丙烯酸甲酯共​​聚物的混合物为基础的粉末状二氧化钛或微粉末状氧化锌的组成为10-30质量％。 通过将产物分散在硅油中获得硅油浆料。 化妆品通过混合浆料得到。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2014221708A

公开(公告)日：2014-11-27

申请号：JP2013102635

申请日：2013-05-14

Applicant: テイカ株式会社 ,  Tayca Corp

Inventor： MIYAMURA TAKAO ,  YAMAJI KOICHI

IPC: C01G9/02 ,  A61K8/27 ,  C08K3/22 ,  C08L101/00 ,  C09D7/12 ,  C09D201/00

Abstract: 【課題】長波長UVA領域の吸収効率を向上させ、さらに長波長UVA近傍の可視光領域の光についても吸収効果を発現させる酸化亜鉛が望まれていた。また、粒子同士の摩擦を軽減し、その結果、化粧料や各種の組成物などに用いた場合に肌への感触、使用感、レベリング性などの効果を向上させることができる酸化亜鉛が望まれていた。さらに、可視光領域の高い透明性を確保しつつ、全UVA領域の散乱効果も発現させる酸化亜鉛が望まれていた。【解決手段】本発明に係る酸化亜鉛は、平均一次粒子径が20〜40nmであり、かつアスペクト比が0.8〜1.2であり、かつ以下の圧縮成形品の円柱底面におけるb値が4.0以上であることを特徴とする。圧縮成形品:酸化亜鉛3.0gのみを内径40mm、高さ5mmのアルミ製リングに充填して圧縮成形することによって作製したペレット状の圧縮成形品【選択図】図3

Abstract translation: 要解决的问题：为了提供长波长UVA区域的吸收效率提高的氧化锌，并且对长波长UVA区域附近的可见光区域的光的吸收效果明显，为了提供氧化锌 颗粒之间的摩擦减小，结果当用于化妆品或各种组合物时，改善了皮肤感觉，使用感，流平性等的效果，并且还提供了具有散射效果的氧化锌 在可见光区域保持高透明度的同时，整个UVA区域变得明显。解决方案：与本发明相关的氧化锌具有20-40nm的平均一次粒径，0.8-1.2的长宽比和ab值 下述的压缩成形品的圆筒的基部为4.0以上。 压缩成型品是通过将3.0g氧化锌单独填充到内径为40mm，高度为5mm的铝环中并压缩氧化锌而制造的粒状压缩成型体。

公开(公告)号：JP2007084478A

公开(公告)日：2007-04-05

申请号：JP2005274806

申请日：2005-09-21

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： YAMAJI KOICHI ,  KAMATA YOSHIMASA

IPC: A61K8/30 ,  A61K8/00 ,  A61K8/18 ,  A61Q1/02

Abstract: PROBLEM TO BE SOLVED: To provide a cosmetic having excellent touch, a homogeneous cosmetic coated film and a natural skin feeling.
SOLUTION: The cosmetic is obtained by formulating a spherical titanium dioxide aggregate with an inorganic pigment. The spherical titanium dioxide aggregate is formed from small spherical particles of the titanium dioxide produced by using an autoclave and having 0.01-0.07 μm average primary particle diameter and has 0.1-3 μm apparent average particle diameter. The inorganic pigment has an average primary particle diameter within the range of 0.005-0.3 μm.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供具有优异触感，均匀的化妆品涂层膜和天然皮肤感觉的化妆品。 解决方案：通过用无机颜料配制球形二氧化钛聚集体获得化妆品。 球形二氧化钛骨料由使用高压釜生产的二氧化钛的小球形颗粒形成，平均初级粒径为0.01-0.07μm，表观平均粒径为0.1-3μm。 无机颜料的平均一次粒径在0.005〜0.3μm的范围内。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2007051188A

公开(公告)日：2007-03-01

申请号：JP2005236186

申请日：2005-08-17

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： YAMAJI KOICHI ,  KANZAKI MICHINORI

IPC: C09C3/12 ,  A61K8/18 ,  A61Q1/02 ,  C01B13/14 ,  C01G9/02 ,  C01G23/04 ,  C09C1/00 ,  C09C1/04 ,  C09C1/36 ,  C09C3/06 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide an alkylsilylated powder which is modified so as not to produce an unpleasant smell when mixed with cosmetics and by which a silicone oil slurry can be easily prepared.
SOLUTION: The low smell alkylsilylated powder is obtained by mixing metal oxide particles having an average primary particle size of 1 nm to 100 μm with an alkylalkoxysilane having at least one 1-20C alkyl group and at least one alkoxy group in a lower alcohol, adding 5-10 times by mass of water based on the alkylalkoxysilane at a temperature of 1-100°C to hydrolyze the alkylalkoxysilane, and heating and evaporating the lower alcohol and water to coat the surface of the metal oxide particles with an alkylsilane having at least one 1-20C alkyl group in an amount of 1-30 mass% based on the metal oxide particles. The low smell alkylsilylated powder is dispersed in a silicone oil to prepare the silicone oil slurry. Cosmetics are obtained by mixing the powder or the slurry.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供一种烷基甲硅烷基化粉末，其被改性为当与化妆品混合时不产生令人不愉快的气味，并且可以容易地制备硅油浆料。 解决方案：低气味烷基硅烷化粉末是通过将平均一次粒径为1nm至100μm的金属氧化物颗粒与具有至少一个1-20C烷基的烷基烷氧基硅烷和至少一个低级烷氧基硅烷 醇，在1-100℃的温度下加入5-10质量％的水，水解烷基烷氧基硅烷，加热蒸发低级醇和水，用烷基硅烷涂覆金属氧化物颗粒表面 具有基于金属氧化物颗粒的1-30质量％的至少一种1-20C烷基。 将低气味的烷基硅烷化粉末分散在硅油中以制备硅油浆料。 通过混合粉末或浆料获得化妆品。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2007016111A

公开(公告)日：2007-01-25

申请号：JP2005198203

申请日：2005-07-07

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： YAMAJI KOICHI ,  KANZAKI MICHINORI

IPC: C09C1/04 ,  A61K8/00 ,  A61K8/06 ,  A61K8/55 ,  A61K8/58 ,  A61Q17/04 ,  C01G9/02 ,  C01G23/04 ,  C09C1/36 ,  C09C3/06 ,  C09C3/12 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a silica-covered particulate titanium oxide or silica-covered particulate zinc oxide which is excellent in the water dispersibility, and has a compatibility with a carboxyvinyl polymer, and also is not liable to color butylmethoxy dibenzoylmethane and besides solves the bad touch when blended to cosmetics.
SOLUTION: The silica-covered particulate titanium oxide or silica-covered particulate zinc oxide comprises the base material of a particulate titanium oxide or particulate zinc oxide having an average particle diameter of 5-100 nm, and has the base material covered with silica of 15-40% by mass relative to the said base material, and also has such water dispersion that when viscosity of the aqueous dispersion prepared under a specific condition without using a dispersing agent is measured under a specific condition, the said viscosity is not more than 200 mPa s.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：提供二氧化硅覆盖的微粒氧化钛或二氧化硅覆盖的颗粒状氧化锌，其水分散性优异，并且与羧乙烯基聚合物具有相容性，并且也不易于染色丁基甲氧基二苯甲酰甲烷 除了在化妆品中混合使用时，还会有不良的触觉。 二氧化硅覆盖的微粒氧化钛或二氧化硅覆盖的颗粒氧化锌包括平均粒径为5-100nm的颗粒状氧化钛或颗粒状氧化锌的基材，并且其基材被 二氧化硅相对于所述基材为15〜40质量％，并且还具有这样的水分散性，即在特定条件下测定在特定条件下制备的水性分散体的粘度，在特定条件下，所述粘度不是 超过200 mPa s。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2017114826A

公开(公告)日：2017-06-29

申请号：JP2015253568

申请日：2015-12-25

Applicant: 日本板硝子株式会社 ,  Nippon Sheet Glass Co Ltd ,  テイカ株式会社 ,  Tayca Corp

Inventor： SHIMOKAWA KOSEI ,  DOSHITA KAZUHIRO ,  YAMAJI KOICHI ,  YAMASHITA ATSUSHI

IPC: A61K8/29 ,  A61Q17/04 ,  B82Y30/00 ,  C01B33/18

CPC classification number: A61K8/29 ,  A61Q17/04 ,  B82Y30/00 ,  C01B33/18

Abstract: 【課題】可視光に対して高い透明性を有する、ルチル型の二酸化チタン微粒子がシリカ粒子に分散された複合粒子を提供する。【解決手段】本発明の二酸化チタン微粒子分散複合粒子(1)は、シリカ粒子(10)と、二酸化チタン微粒子(20)とを備える。二酸化チタン微粒子(20)は、シリカ粒子(10)の内部に分散されている。二酸化チタン微粒子(20)は、2nm〜8nmの平均一次粒子径を有するルチル型である。【選択図】図1

公开(公告)号：JP2004035632A

公开(公告)日：2004-02-05

申请号：JP2002191725

申请日：2002-07-01

Applicant: Tayca Corp ,  テイカ株式会社

Inventor： OKA HIDEO ,  YAMAJI KOICHI ,  KANZAKI MICHINORI

IPC: A61K8/18 ,  A61K8/00 ,  A61K8/27 ,  A61K8/29 ,  A61Q1/02 ,  A61Q17/04 ,  C09D17/00

Abstract: PROBLEM TO BE SOLVED: To provide a dispersion of oxide fine particles which are practically swollen primary particles with a minimum of an agglomerate in an oil phase.
SOLUTION: In dispersing an inorganic oxide to be selected from titanium oxide, zinc oxide, and cerium oxide which have a primary particle diameter of smaller than 100 nm into an oil phase containing a dispersant, the method of dispersing the inorganic oxide uses ceramic beads having a particle diameter of ≤0.1 mm as the medium and effects dispersion until the average dispersion particle diameter of the inorganic oxide comes to ≤80 nm in a sand grinder mill.
COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2006347890A

公开(公告)日：2006-12-28

申请号：JP2005172069

申请日：2005-06-13

Applicant: TAYCA CORP

Inventor： KAMATA YOSHIMASA ,  YAMAJI KOICHI

IPC: A61K8/18 ,  A61K8/00 ,  A61Q1/02 ,  A61Q1/08

Abstract: PROBLEM TO BE SOLVED: To provide a cosmetic excellent in control effect of skin color and opacifying effect of color tone trouble of the skin and further, excellent in transparent feeling and touch and satisfying all of opacifying property, transparent feeling and natural appearance. SOLUTION: The cosmetic is obtained by formulating a titanium oxide in which the average primary particle diameter or the average flocculation particle diameter is within the range of 0.5-0.7 μm as titanium oxide in which transmitted light looks like green to blue with a titanium oxide in which the average primary particle diameter or the average flocculation particle diameter is within the range of 0.1-0.3 μm as titanium oxide in which transmitted light looks like red. COPYRIGHT: (C)2007,JPO&INPIT

公开(公告)号：JPH11171753A

公开(公告)日：1999-06-29

申请号：JP36297097

申请日：1997-12-12

Applicant: TAYCA CORP

Inventor： YAMAJI KOICHI ,  KAMATA YOSHIMASA ,  IKEMOTO OSAMU

IPC: A61K8/00 ,  A61K8/29 ,  A61Q17/04 ,  C01G23/053 ,  A61K7/42

Abstract: PROBLEM TO BE SOLVED: To obtain a cosmetic containing as active ingredient fine-particle titanium dioxide highly compatible with oily phase and having high dispersibility and light resistance. SOLUTION: This cosmetic is obtained by formulating 1-80 wt.%, based on the whole cosmetic, of fine-particle titanium dioxide which is produced through an outline of the following process: a specific amount of a water-soluble aluminum compound is added to an aqueous suspension of titanium dioxide with a particle size of =80 deg.C and incorporated with a specific amount of a >=7C fatty acid or a water- soluble salt thereof; subsequently, the slurry pH is adjusted to a specified level followed by aging the slurry for >=30 min; finally, the pH is adjusted again, followed by performing filtration, washing, drying, and grinding operations. This cosmetic has excellent anti-suntan effect.

公开(公告)号：JPH11171541A

公开(公告)日：1999-06-29

申请号：JP36296997

申请日：1997-12-12

Applicant: TAYCA CORP

Inventor： YAMAJI KOICHI ,  KAMATA YOSHIMASA ,  IKEMOTO OSAMU

IPC: C01G23/047

Abstract: PROBLEM TO BE SOLVED: To obtain a fine particulate titanium dioxide coating compsn. excellent in fitness to an oil phase, dispersibility and light resistance by adding a specified amt. of a water-soluble aluminum salt to an aq. suspension of TiO2 having a specified particle diameter, adjusting the resultant system to a specified pH, heating it to a specified temp., adding a specified amt. of a fatty acid and carrying out adjustment to a specified pH, aging, further adjustment to a specified pH, filtration and treatment. SOLUTION: A water-soluble aluminum salt such as sodium aluminate is added to an aq. suspension of TiO2 that is a titania sol having =80 deg.C. A fatty acid having >=7 carbon atoms or its water-soluble salt such as sodium stearate is then added by 10-20 wt.% (expessed in terms of the fatty acid) based on the amt. of TiO2 and the system is adjusted to pH 7-9, aged for >=30 min, further adjusted to pH 6.5-7.5 and filtered. The resultant solid is washed, dried and comminuted.