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    FINE METAL PARTICLES AND BIOMATERIAL-EXTRACTING MAGNETIC BEADS, AND THEIR PRODUCTION METHODS
    1.
    发明申请
    FINE METAL PARTICLES AND BIOMATERIAL-EXTRACTING MAGNETIC BEADS, AND THEIR PRODUCTION METHODS 审中-公开
    精细金属颗粒和生物提取磁珠及其生产方法

    公开(公告)号：US20100178510A1

    公开(公告)日：2010-07-15

    申请号：US12304055

    申请日：2007-06-20

    申请人： Yasushi Kaneko ,  Shigeo Fujii ,  Hisato Tokoro ,  Takashi Nakabayashi ,  Mariko Adachi

    发明人： Yasushi Kaneko ,  Shigeo Fujii ,  Hisato Tokoro ,  Takashi Nakabayashi ,  Mariko Adachi

    IPC分类号： B32B15/02 ,  B32B5/16

    CPC分类号： B22F1/02 ,  B22F9/20 ,  Y10T428/2991

    摘要： Fine metal particles each comprising a magnetic metal core particle and two or more coating layers, the outermost layer among the two or more coating layers containing an oxide of silicon and aluminum at an Al/Si atomic ratio of 0.01-0.2, and a method for producing fine metal particles comprising the steps of coating each primary particle comprising a magnetic metal core particle and a first coating layer with a mixture of silicon alkoxide and aluminum alkoxide, and then hydrolyzing the silicon alkoxide and the aluminum alkoxide, thereby forming a second coating layer comprising an oxide of silicon and aluminum at an Al/Si atomic ratio of 0.01-0.2.

    摘要翻译： 每个细金属颗粒包括磁性金属芯颗粒和两个或更多个涂层，所述两个或更多个涂层中的最外层含有Al / Si原子比为0.01-0.2的硅和铝的氧化物，以及用于 包括以下步骤：用烷氧基铝和醇铝的混合物涂覆包含磁性金属芯颗粒和第一涂层的每个初级颗粒，然后水解硅醇盐和醇铝，从而形成第二涂层 包括Al / Si原子比为0.01-0.2的硅和铝的氧化物。

    COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD
    2.
    发明申请
    COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD 有权
    涂层，精细金属颗粒及其生产方法

    公开(公告)号：US20100047579A1

    公开(公告)日：2010-02-25

    申请号：US12442047

    申请日：2007-09-18

    申请人： Hisato Tokoro ,  Shigeo Fujii ,  Takashi Nakabayashi

    发明人： Hisato Tokoro ,  Shigeo Fujii ,  Takashi Nakabayashi

    IPC分类号： B32B1/00 ,  B05D3/02

    CPC分类号： G11B5/712 ,  B22F1/02 ,  B22F9/20 ,  B82Y25/00 ,  C22C33/0235 ,  G01N33/553 ,  H01F1/0054 ,  H01F1/33 ,  Y10T428/2991 ,  Y10T428/2993

    摘要： A method for producing coated, fine metal particles comprising the steps of mixing powder comprising TiC and TiN with powder of an oxide of a metal M meeting the relation of ΔGM-O>ΔGTiO2, wherein ΔGM-O represents the standard free energy of formation of metal M oxide, and heat-treating the resultant mixed powder in a non-oxidizing atmosphere to reduce the oxide of the metal M with the powder comprising TiC and TiN, while coating the resultant metal M particles with Ti oxide, and coated, fine metal particles each comprising a metal core particle and a Ti oxide coating and having a carbon content of 0.2-1.4% by mass and a nitrogen content of 0.01-0.2% by mass.

    摘要翻译： 一种制备涂覆的金属微粒的方法，包括以下步骤：将包含TiC和TiN的粉末与满足以下关系的金属M的氧化物粉末混合;其中＆Dgr; GMi代表 标准形成金属M氧化物的自由能，并且在非氧化气氛中对所得混合粉末进行热处理，以用包含TiC和TiN的粉末来还原金属M的氧化物，同时用Ti氧化物涂覆所得金属M颗粒 和包含金属核粒子和Ti氧化物被膜，碳含量为0.2〜1.4质量％，氮含量为0.01〜0.2质量％的金属微粒子。

    COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD
    4.
    发明申请
    COATED, FINE METAL PARTICLES AND THEIR PRODUCTION METHOD 有权
    涂层，精细金属颗粒及其生产方法

    公开(公告)号：US20110293940A1

    公开(公告)日：2011-12-01

    申请号：US12934589

    申请日：2009-03-26

    申请人： Hisato Tokoro ,  Takashi Nakabayashi ,  Shigeo Fujii

    发明人： Hisato Tokoro ,  Takashi Nakabayashi ,  Shigeo Fujii

    IPC分类号： B32B15/02 ,  B05D7/14

    CPC分类号： B22F9/20 ,  B22F1/02 ,  B22F2999/00 ,  C22C1/058 ,  Y10T428/2993 ,  B22F1/0088 ,  B22F1/0085

    摘要： A method for producing coated, fine metal particles each having a Ti oxide coating and a silicon oxide coating formed in this order on a metal core particle by mixing powder comprising TiC and TiN with oxide powder of a metal M meeting the relation of ΔGM-O>ΔGTiO2, wherein ΔGM-O represents the standard free energy of forming an oxide of the metal M; heat-treating the resultant mixed powder in a non-oxidizing atmosphere to reduce the oxide of the metal M with the powder comprising TiC and TiN, while coating the resultant metal M particles with Ti oxide; coating the Ti-oxide-coated surface with silicon oxide; and classifying the resultant particles such that they have a median diameter d50 of 0.4-0.7 μm, and a variation coefficient (=standard deviation/average particle size) of 35% or less, which indicates a particle size distribution range. Coated, fine metal particles each having a Ti oxide coating and a silicon oxide coating formed in this order on a metal core particle, which has a median diameter d50 of 0.4-0.7 μm, and a variation coefficient (=standard deviation/average particle size) of 35% or less, which indicates a particle size distribution range.

    摘要翻译： 一种生产包含Ti氧化物涂层和氧化硅涂层的涂覆的金属微粒的方法，其通过将包含TiC和TiN的粉末与满足以下关系的金属M的氧化物粉末混合在一起而在金属芯颗粒上形成： 其中＆Dgr; GM-O代表形成金属M的氧化物的标准自由能; 在非氧化气氛下对所得混合粉末进行热处理，同时用Ti氧化物涂覆所得到的金属M颗粒，同时用含有TiC和TiN的粉末来还原金属M的氧化物; 用氧化硅涂覆Ti氧化物涂层表面; 并将得到的颗粒分级，使得它们的中值粒径d50为0.4-0.7μm，变化系数（=标准偏差/平均粒径）为35％以下，表示粒径分布范围。 在金属芯粒子上依次形成具有Ti氧化物涂层和氧化硅涂层的金属微粒，其中值粒径d50为0.4〜0.7μm，变异系数（=标准偏差/平均粒径 ）为35％以下，表示粒径分布范围。

    Coated, fine metal particles comprising titanium oxide and silicon oxide coating, and their production method
    6.
    发明授权
    Coated, fine metal particles comprising titanium oxide and silicon oxide coating, and their production method 有权
    涂布的包含氧化钛和氧化硅涂层的金属微粒及其制造方法

    公开(公告)号：US08481115B2

    公开(公告)日：2013-07-09

    申请号：US12934589

    申请日：2009-03-26

    申请人： Hisato Tokoro ,  Takashi Nakabayashi ,  Shigeo Fujii

    发明人： Hisato Tokoro ,  Takashi Nakabayashi ,  Shigeo Fujii

    IPC分类号： B32B5/16 ,  B05D7/00 ,  B05D7/14 ,  B05D3/10

    CPC分类号： B22F9/20 ,  B22F1/02 ,  B22F2999/00 ,  C22C1/058 ,  Y10T428/2993 ,  B22F1/0088 ,  B22F1/0085

    摘要： A method for producing coated, fine metal particles each having a Ti oxide coating and a silicon oxide coating formed in this order on a metal core particle by mixing powder comprising TiC and TiN with oxide powder of a metal M meeting the relation of ΔGM-O>ΔGTiO2, wherein ΔGM-O represents the standard free energy of forming an oxide of the metal M; heat-treating the resultant mixed powder in a non-oxidizing atmosphere to reduce the oxide of the metal M with the powder comprising TiC and TiN, while coating the resultant metal M particles with Ti oxide; coating the Ti-oxide-coated surface with silicon oxide; and classifying the resultant particles such that they have a median diameter d50 of 0.4-0.7 μm, and a variation coefficient (=standard deviation/average particle size) of 35% or less, which indicates a particle size distribution range. Coated, fine metal particles each having a Ti oxide coating and a silicon oxide coating formed in this order on a metal core particle, which has a median diameter d50 of 0.4-0.7 μm, and a variation coefficient (=standard deviation/average particle size) of 35% or less, which indicates a particle size distribution range.

    摘要翻译： 一种生产涂覆的金属微粒的方法，其具有通过将包含TiC和TiN的粉末与满足DeltaGM-O的关系的金属M的氧化物粉末混合在一起而在金属芯颗粒上依次形成的氧化钛涂层和氧化硅涂层 > DeltaGTiO 2，其中ΔGM-O表示形成金属M的氧化物的标准自由能; 在非氧化气氛下对所得混合粉末进行热处理，同时用Ti氧化物涂覆所得到的金属M颗粒，同时用含有TiC和TiN的粉末来还原金属M的氧化物; 用氧化硅涂覆Ti氧化物涂层表面; 对所得颗粒进行分级，使其中值粒径d50为0.4〜0.7μm，变动系数（=标准偏差/平均粒径）为35％以下，表示粒径分布范围。 涂覆有金属颗粒，每个氧化铝涂层和氧化硅涂层依次形成在金属芯颗粒上，中心粒径d50为0.4-0.7μm，变化系数（=标准偏差/平均粒径 ）为35％以下，表示粒径分布范围。

    Coated, fine metal particles comprising specific content of carbon and nitrogen, and their production method
    7.
    发明授权
    Coated, fine metal particles comprising specific content of carbon and nitrogen, and their production method 有权
    涂布的包含碳和氮的特定含量的金属微粒及其制造方法

    公开(公告)号：US08247074B2

    公开(公告)日：2012-08-21

    申请号：US12442047

    申请日：2007-09-18

    申请人： Hisato Tokoro ,  Shigeo Fujii ,  Takashi Nakabayashi

    发明人： Hisato Tokoro ,  Shigeo Fujii ,  Takashi Nakabayashi

    IPC分类号： B32B5/16 ,  B05D7/00

    CPC分类号： G11B5/712 ,  B22F1/02 ,  B22F9/20 ,  B82Y25/00 ,  C22C33/0235 ,  G01N33/553 ,  H01F1/0054 ,  H01F1/33 ,  Y10T428/2991 ,  Y10T428/2993

    摘要： A method for producing coated, fine metal particles comprising the steps of mixing powder comprising TiC and TiN with powder of an oxide of a metal M meeting the relation of ΔGM-O>ΔGTiO2, wherein ΔGM-O represents the standard free energy of formation of metal M oxide, and heat-treating the resultant mixed powder in a non-oxidizing atmosphere to reduce the oxide of the metal M with the powder comprising TiC and TiN, while coating the resultant metal M particles with Ti oxide, and coated, fine metal particles each comprising a metal core particle and a Ti oxide coating and having a carbon content of 0.2-1.4% by mass and a nitrogen content of 0.01-0.2% by mass.

    摘要翻译： 一种制备涂覆的金属微粒的方法，包括以下步骤：将包含TiC和TiN的粉末与满足以下关系的金属M的氧化物粉末混合;其中＆Dgr; GMi代表 标准形成金属M氧化物的自由能，并且在非氧化气氛中对所得混合粉末进行热处理，以用包含TiC和TiN的粉末来还原金属M的氧化物，同时用Ti氧化物涂覆所得金属M颗粒 和包含金属核粒子和Ti氧化物被膜，碳含量为0.2〜1.4质量％，氮含量为0.01〜0.2质量％的金属微粒子。