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101. 发明授权

US06723456B2 Hematite particles aggregates, non-magnetic undercoatt layer for magnetic recording medium using the same, and magnetic recording medium having the non-magnetic undercoat layer 失效
标题翻译：赤铁矿颗粒聚集，使用其的磁记录介质的非磁性底层，以及具有非磁性底涂层
公开(公告)号：US06723456B2
公开(公告)日：2004-04-20
申请号：US10022818
申请日：2001-12-20
申请人： Kazuyuki Hayashi , Keisuke Iwasaki , Seiji Ishitani , Hiroko Morii
发明人： Kazuyuki Hayashi , Keisuke Iwasaki , Seiji Ishitani , Hiroko Morii
IPC分类号： B32B516
CPC分类号： G11B5/738 , G11B5/733 , Y10T428/256
摘要： Hematite particles aggregates as non-magnetic particles of the present invention are capable of forming a non-magnetic undercoat layer of a magnetic recording medium having a more excellent surface smoothness, which can exhibit not only an excellent dispersibility but also have an improving ability of a surface smoothness of a coating film produced therefrom by calendering treatment, a non-magnetic undercoat layer for magnetic recording medium which contains the hematite particles aggregates is exhibits a more excellent surface smoothness, and a magnetic recording medium having the non-magnetic undercoat layer, is exhibits a more excellent surface smoothness.
摘要翻译：作为本发明的非磁性粒子的赤铁矿颗粒聚集体能够形成具有更优异的表面平滑性的磁记录介质的非磁性底涂层，其不仅具有优异的分散性，而且还具有改善的通过压延处理制成的涂膜的表面光滑度，含有赤铁矿颗粒聚集体的磁记录介质的非磁性底涂层表现出更优异的表面平滑度，并且具有非磁性底涂层的磁记录介质是表现出更优异的表面平滑度。

102. 发明授权

US06544647B1 Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same 有权
标题翻译：非磁性复合颗粒，其制造方法和使用其的磁记录介质
公开(公告)号：US06544647B1
公开(公告)日：2003-04-08
申请号：US09625404
申请日：2000-07-25
申请人： Kazuyuki Hayashi , Keisuke Iwasaki , Hiroko Morii , Mineko Ohsugi
发明人： Kazuyuki Hayashi , Keisuke Iwasaki , Hiroko Morii , Mineko Ohsugi
IPC分类号： B32B530
CPC分类号： B82Y30/00 , C01P2004/03 , C01P2004/10 , C01P2004/50 , C01P2004/51 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2004/86 , C01P2006/12 , C01P2006/40 , C01P2006/42 , C01P2006/90 , C09C1/22 , G11B5/738 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2998
摘要： Non-magnetic composite particles composed of non-magnetic core particles having an average particle size of 0.01 to 0.3 &mgr;m, and inorganic fine particles having an average particle size of 0.001 to 0.07 &mgr;m. The fine particles are present in an amount of 0.1 to 20% by weight based on the weight of the non-magnetic particles are on the surface of each non-magnetic particle, and are fixed or anchored on the surface of each non-magnetic particle through a silicon compound.The non-magnetic composite particles have a high polishing effect and a high dispersibility, and are useful as a non-magnetic undercoat layer for a magnetic recording medium.
摘要翻译：由平均粒径为0.01〜0.3μm的非磁性核粒子和平均粒径为0.001〜0.07μm的无机细颗粒构成的非磁性复合粒子。相对于每个非磁性颗粒的表面上的非磁性颗粒的重量，细颗粒以0.1至20重量％的量存在，并且固定或锚定在每个非磁性颗粒的表面上通过硅化合物。非磁性复合颗粒具有高抛光效果和高分散性，并且可用作磁记录介质的非磁性底涂层。

103. 发明授权

US06458453B1 Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US06458453B1
公开(公告)日：2002-10-01
申请号：US09557881
申请日：2000-04-25
申请人： Kazuyuki Hayashi , Hiroko Morii , Mamoru Kamigaki , Seiji Ishitani
发明人： Kazuyuki Hayashi , Hiroko Morii , Mamoru Kamigaki , Seiji Ishitani
IPC分类号： G11B5708
CPC分类号： B82Y30/00 , C01P2004/03 , C01P2004/10 , C01P2004/20 , C01P2004/32 , C01P2004/41 , C01P2004/50 , C01P2004/51 , C01P2004/52 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2004/82 , C01P2004/86 , C01P2006/12 , C01P2006/40 , C01P2006/42 , C01P2006/60 , C01P2006/62 , C01P2006/80 , C09C1/24 , C09C3/006 , C09C3/12 , G11B5/708 , Y10T428/25 , Y10T428/2982 , Y10T428/2991 , Y10T428/2995
摘要： A magnetic recording medium composed of a non-magnetic base film and a magnetic recording layer containing a binder resin, magnetic particles, and as a filler black composite hematite particles having an average diameter of 0.08 to 1.0 &mgr;m. The composite particles have cores of hematite particles which are surface coated with an organosilicon compound. A carbon black coating is formed on the organosilicon coating layer. In addition, the hematite core particles may have an oxide or hydroxide coating layer formed on the surface of the hematite core particle, between the organosilicon coating layer and the surface of the core particles. The magnetic recording medium has not only an excellent durability and a good electromagnetic performance, but also a low light transmittance, a small surface resistivity and an excellent surface smoothness.
摘要翻译：由非磁性基膜和含有粘合剂树脂，磁性颗粒和作为平均直径为0.08至1.0μm的填料黑色复合赤铁矿颗粒的磁记录层组成的磁记录介质。复合颗粒具有表面涂覆有机硅化合物的赤铁矿颗粒核。在有机硅涂层上形成炭黑涂层。此外，赤铁矿芯颗粒可以在赤铁矿核心颗粒的表面，有机硅涂层和芯颗粒的表面之间形成氧化物或氢氧化物涂层。磁记录介质不仅具有优异的耐久性和良好的电磁性能，而且具有低透光率，小的表面电阻率和优异的表面平滑度。

104. 发明授权

US06440561B2 Iron oxide hydroxide composite particles, pigment, paint and resin composition 有权
标题翻译：铁氧化物氢氧化物复合颗粒，颜料，油漆和树脂组合物
公开(公告)号：US06440561B2
公开(公告)日：2002-08-27
申请号：US09731987
申请日：2000-12-08
申请人： Kazuyuki Hayashi , Mineko Ohsugi , Hiroko Morii
发明人： Kazuyuki Hayashi , Mineko Ohsugi , Hiroko Morii
IPC分类号： B32B904
CPC分类号： B82Y30/00 , C01P2002/88 , C01P2004/10 , C01P2004/20 , C01P2004/50 , C01P2004/51 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2004/80 , C01P2006/12 , C01P2006/32 , C01P2006/60 , C01P2006/62 , C01P2006/63 , C01P2006/64 , C01P2006/66 , C08K3/22 , C08K9/04 , C08K9/06 , C08K9/08 , C09C1/24 , C09D7/62 , C09D7/67 , C09D7/68 , Y10T428/2991 , Y10T428/2995 , Y10T428/2998
摘要： Iron oxide hydroxide composite particles having an average particle diameter of 0.005 to 1.0 &mgr;m, comprises: iron oxide hydroxide particles as core particles, a coating formed on surface of said iron oxide hydroxide particles, comprising at least one organosilicon compound selected from the group consisting of: (1) organosilane compounds obtainable from alkoxysilane compounds, and (2) polysiloxanes or modified polysiloxanes, and an organic pigment coat formed on said coating layer comprising said organosilicon compound, in an amount of from 1 to 30 parts by weight based on 100 parts by weight of said iron oxide hydroxide particles. The iron oxide hydroxide composite particles of the present invention contain no harmful elements and exhibit not only excellent chemical resistances such as acid resistance and alkali resistance, but also excellent heat resistance.
摘要翻译：平均粒径为0.005〜1.0μm的铁氧化物氢氧化物复合粒子，包含铁氧化物氢氧化物颗粒作为核心颗粒，在所述铁氧化物氢氧化物颗粒的表面上形成的涂层，其包含至少一种选自以下的有机硅化合物：：（1）由烷氧基硅烷化合物得到的有机硅烷化合物，和（2）聚硅氧烷或改性聚硅氧烷，以及在包含所述有机硅化合物的所述涂层上形成的有机颜料涂层，其量为1〜30重量份，基于100重量份所述铁氧化物氢氧化物颗粒的重量。本发明的铁氧化物氢氧化物复合体颗粒不含有害元素，并且不仅具有耐酸性，耐碱性等优异的耐化学性，而且耐热性也优异。

105. 发明授权

US06432508B1 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium 有权
公开(公告)号：US06432508B1
公开(公告)日：2002-08-13
申请号：US09758342
申请日：2001-01-12
申请人： Kazuyuki Hayashi , Keisuke Iwasaki , Yasuyuki Tanaka , Hiroko Morii
发明人： Kazuyuki Hayashi , Keisuke Iwasaki , Yasuyuki Tanaka , Hiroko Morii
IPC分类号： G11B5738
摘要： High-density acicular hematite particles comprise acicular hematite particles and a coat comprising an oxide of tin or oxides of tin and antimony, formed on at least a part of surfaces of said acicular hematite particles; and have an average major axial diameter of not more than 0.3 &mgr;m, a pH value of not less than 8, a soluble sodium salt content of not more than 300 ppm, calculated as Na, and a soluble sulfate content of not more than 150 ppm, calculated as SO4. Such high-density acicular hematite particles is suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium using magnetic particles containing iron as a main ingredient, have an excellent dispersibility in vehicle and a low volume resistivity.

106. 发明授权

US06420030B1 Black iron-based composite particles, process for producing the same, paint and rubber or resin composition containing the same 有权
标题翻译：黑色铁基复合颗粒，其制造方法，涂料和橡胶或含有它们的树脂组合物
公开(公告)号：US06420030B1
公开(公告)日：2002-07-16
申请号：US09521676
申请日：2000-03-08
申请人： Kazuyuki Hayashi , Yasuyuki Tanaka , Hiroko Morii
发明人： Kazuyuki Hayashi , Yasuyuki Tanaka , Hiroko Morii
IPC分类号： B32B516
CPC分类号： B82Y30/00 , C01P2004/03 , C01P2004/04 , C01P2004/10 , C01P2004/20 , C01P2004/30 , C01P2004/32 , C01P2004/41 , C01P2004/50 , C01P2004/51 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2004/80 , C01P2004/82 , C01P2004/86 , C01P2006/12 , C01P2006/60 , C01P2006/62 , C01P2006/80 , C08K3/22 , C08K9/06 , C08K9/08 , C09C1/0081 , C09C1/24 , C09C3/12 , C09D7/62 , C09D7/67 , C09D7/68 , Y10T428/2998
摘要： Black iron-based composite particles of the present invention comprise: as a core particle black iron oxide particle or black iron oxide hydroxide particle having an average particle size of 0.08 to 1.0 &mgr;m; a coating layer formed on the surface of the black iron oxide particle or black iron oxide hydroxide particle, comprising at least one organosilicon compound selected from the group consisting of: (1) organosilane compounds obtained from alkoxysilane compounds, (2) polysiloxanes, or modified polysiloxanes and (3) fluoroalkyl organosilane compounds obtained from fluoroalkylsilane compounds; and carbon black coat formed on said coating comprising said organosilicon compound, in an amount of 1 to 30 parts by weight based on 100 parts by weight of said black iron oxide particles or black iron oxide hydroxide particles. Such black iron-based composite particles have an excellent dispersibility in a vehicle, or a rubber or resin composition on the basis of a small amount of the carbon black which are desorbed from the surface of the black iron-based composite particles, and a high blackness substantially identical to a blackness of carbon black fine particles used solely, even when carbon black is contained therein only in a small amount.
摘要翻译：本发明的黑色铁系复合粒子包含平均粒径为0.08〜1.0μm的芯粒黑色氧化铁粒子或黑色铁氧化物氢氧化物粒子，形成在黑色氧化铁粒子的表面上的被覆层或黑铁氧化物氢氧化物颗粒，其包含至少一种选自以下的有机硅化合物：（1）由烷氧基硅烷化合物获得的有机硅烷化合物，（2）聚硅氧烷或改性聚硅氧烷，和（3）由氟烷基硅烷化合物得到的氟代烷基有机硅烷化合物; 并且在所述包含所述有机硅化合物的涂层上形成的炭黑涂层，其量为基于100重量份的所述黑色氧化铁颗粒或黑色铁氧化物氢氧化物颗粒为1至30重量份。这种黑色铁基复合颗粒在车辆中具有优异的分散性，或者基于从黑色铁基复合颗粒的表面解吸的少量炭黑，橡胶或树脂组合物，以及高黑色度与单独使用的炭黑细颗粒的黑度基本相同，即使仅含有少量的炭黑也是如此。

107. 发明授权

US06352776B1 Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles 有权
标题翻译：磁记录介质，非磁性针状黑铁基复合颗粒及其制备方法
公开(公告)号：US06352776B1
公开(公告)日：2002-03-05
申请号：US09632096
申请日：2000-08-02
申请人： Kazuyuki Hayashi , Keisuke Iwasaki , Yasuyuki Tanaka , Hiroko Morii
发明人： Kazuyuki Hayashi , Keisuke Iwasaki , Yasuyuki Tanaka , Hiroko Morii
IPC分类号： G11B5733
CPC分类号： B82Y30/00 , C01P2004/03 , C01P2004/04 , C01P2004/10 , C01P2004/20 , C01P2004/32 , C01P2004/38 , C01P2004/50 , C01P2004/51 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2004/80 , C01P2004/82 , C01P2004/84 , C01P2004/86 , C01P2006/12 , C01P2006/19 , C01P2006/22 , C01P2006/40 , C01P2006/42 , C01P2006/60 , C01P2006/62 , C01P2006/80 , C01P2006/90 , C09C1/24 , C09C3/006 , C09C3/12 , G11B5/738 , Y10S428/90 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2998
摘要： A magnetic recording medium of the present invention comprises: a non-magnetic base film; a non-magnetic undercoat layer formed on the non-magnetic base film, comprising a binder resin and non-magnetic acicular black iron-based composite particles; and a magnetic coating film comprising a binder resin and magnetic particles, the non-magnetic acicular black iron-based composite particles comprising: acicular hematite particles or acicular iron oxide hydroxide particles (core particles) having an average major axis diameter of 0.01 to 0.3 &mgr;m; a coating layer formed on the surface of the particles, comprising a specific organosilicon compound; and a carbon black coat composed of at least two carbon black layers integrally formed on the coating layer, adhered with each other through an adhesive on the coating layer.
摘要翻译：本发明的磁记录介质包括：非磁性基膜;在非磁性基膜上形成的非磁性底涂层，包含粘合剂树脂和非磁性针状黑铁基复合颗粒; 和包含粘合剂树脂和磁性颗粒的磁性涂膜，所述非磁性针状黑色铁基复合颗粒包括：平均长径为0.01至0.3μm的针状赤铁矿颗粒或针状铁氧化物氢氧化物颗粒（核心颗粒）; 形成在颗粒表面上的涂层，其包含特定的有机硅化合物; 以及由涂覆层一体形成的至少两个碳黑层构成的炭黑涂层，通过涂层上的粘合剂彼此粘合。

108. 发明授权

US06251555B1 Black magnetic composite particles for black magnetic toner and black magnetic toner using the same 失效
标题翻译：用于黑色磁性调色剂的黑色磁性复合颗粒和使用其的黑色磁性调色剂
公开(公告)号：US06251555B1
公开(公告)日：2001-06-26
申请号：US09291198
申请日：1999-04-14
申请人： Kazuyuki Hayashi , Seiji Ishitani , Yasuyuki Tanaka , Hiroko Morii
发明人： Kazuyuki Hayashi , Seiji Ishitani , Yasuyuki Tanaka , Hiroko Morii
IPC分类号： G90
CPC分类号： G03G9/0839 , G03G9/0833 , Y10T428/2991 , Y10T428/2995
摘要： Black magnetic composite particles for black magnetic toner according to the present invention comprise: magnetite particle as core particle; fine particles which are adhered or exist on at least a part of the surface of each magnetite particle, and comprise oxides, oxide hydroxides or oxides and oxide hydroxides composed of at least one element selected from the group consisting of Si, Zr, Ti, Al and Ce; and a methyl hydrogen polysiloxane coating layer formed on said fine particles or said fine particles and the exposed surface of the magnetite particle, the average particle size of said black magnetic composite particles being 0.08 to 1.0 &mgr;m. Such black magnetic composite particles are suitable for a black magnetic toner which can exhibit not only an excellent flowability but also a high volume resistivity.
摘要翻译：根据本发明的用于黑色磁性调色剂的黑色磁性复合颗粒包括：作为核心颗粒的磁铁矿颗粒;附着或存在于每个磁铁矿颗粒表面的至少一部分上的细颗粒，并且包含氧化物，氧化物氢氧化物或氧化物，以及由选自Si，Zr，Ti，Al和Ce中的至少一种元素组成的氧化物氢氧化物; 和在所述细颗粒或所述细颗粒和磁铁矿颗粒的暴露表面上形成的甲基氢聚硅氧烷涂层，所述黑色磁性复合颗粒的平均粒度为0.08至1.0μm。这种黑色磁性复合颗粒适合于黑色不仅具有优异的流动性，而且还具有高体积电阻率的磁性调色剂。

109. 发明授权

US6117540A Non-magnetic black particles, non-magnetic black pigment therefrom and non-magnetic black filler therefrom 失效
标题翻译：非磁性黑色颗粒，非磁性黑色颜料及其非磁性黑色填料
公开(公告)号：US6117540A
公开(公告)日：2000-09-12
申请号：US477707
申请日：2000-01-05
申请人： Yasuyuki Tanaka , Hiroko Morii , Kazuyuki Hayashi , Hiroshi Sumita
发明人： Yasuyuki Tanaka , Hiroko Morii , Kazuyuki Hayashi , Hiroshi Sumita
IPC分类号： C08K3/30 , C09C1/00 , C09C1/24 , C09D7/12 , G11B5/708
CPC分类号： C09D7/1275 , C08K3/30 , C09C1/0081 , C09C1/24 , C09D7/1225 , C09D7/1283 , G11B5/708 , C01P2002/70 , C01P2004/03 , C01P2004/32 , C01P2004/38 , C01P2004/41 , C01P2004/61 , C01P2004/62 , C01P2004/84 , C01P2006/12 , C01P2006/60 , C01P2006/62 , C01P2006/63 , C01P2006/64 , C01P2006/66 , C08K3/0033 , C08K9/02 , Y10S428/90 , Y10T428/25 , Y10T428/257 , Y10T428/2991
摘要： In accordance with the present invention, there are provided non-magnetic black particles composed primarily of Fe and having a hematite structure, which shows an excellent blackness, heat resistance, and dispersibility in a vehicle, and which particles contain manganese in an amount of 5 to 40% by weight based on the weight of the non-magnetic black particles, a soluble sodium salt in an amount of not more than 500 ppm (calculated as Na), and a soluble sulfate in an amount of not more than 200 ppm (calculated as SO.sub.4), and have an average particle size of 0.1 to 10.0 .mu.m and a pH of not less than 5.
摘要翻译：根据本发明，提供了主要由Fe组成并具有赤铁矿结构的非磁性黑色颗粒，其在车辆中表现出优异的黑色度，耐热性和分散性，并且该颗粒含有5个量的锰至40重量％，以不大于500ppm（以Na计算）的量的可溶性钠盐和不大于200ppm的可溶性硫酸盐（以SO4计算），平均粒径为0.1〜10.0μm，pH值不小于5。

110. 发明授权

US5693690A Rubber or resin composition 失效
标题翻译：橡胶或树脂组合物
公开(公告)号：US5693690A
公开(公告)日：1997-12-02
申请号：US628018
申请日：1996-04-04
申请人： Kazuyuki Hayashi , Minoru Ohsugi , Hiroko Morii , Koso Aoki
发明人： Kazuyuki Hayashi , Minoru Ohsugi , Hiroko Morii , Koso Aoki
IPC分类号： C08K3/08 , B32B15/02 , C08K3/00 , C08K3/18 , C08K3/22 , C08K9/02 , C08L21/00 , C09C1/22 , C09C1/24 , C09C1/34 , C08K9/06 , C08K3/36 , C08K9/10
CPC分类号： C08K3/22 , C08K9/02 , C09C1/24 , C01P2004/03 , C01P2004/04 , C01P2004/32 , C01P2004/38 , C01P2004/51 , C01P2004/61 , C01P2006/10 , C01P2006/12 , C01P2006/19 , C01P2006/60 , C01P2006/80 , Y10T428/2991 , Y10T428/2993
摘要： A rubber or resin composition comprises: 0.1 to 10.0 parts by weight of iron oxide particles composed of iron oxide core which contains 0.21 to 2.14 wt % of silicon, calculated as SiO.sub.2, and 0.01 to 10.0 wt %, calculated as SiO.sub.2, of a precipitate composed of silicon, which adheres to the surfaces of said iron oxide core, a sphere ratio, maximum diameter/minimum diameter, of said iron oxide particles being of 0.7 to 1.0, an average particle diameter of said iron oxide particles being 0.05 to 1.0 .mu.m, a geometric standard deviation .sigma.g of said iron oxide particles which shows the particle size distribution being not more than 1.40, a bulk density of said iron oxide particles being 0.80 to 1.5 g/cm.sup.3, and a surface activity of said iron oxide particles which is indicated by the number of cyclohexanone molecules adsorbed to the surfaces of the iron oxide particles, number of molecules/nm.sup.2, being not more than 1.70; and 90 to 99.9 parts by weight of rubber or thermoplastic resin.
摘要翻译：橡胶或树脂组合物包含：0.1至10.0重量份由氧化铁芯组成的氧化铁颗粒，其含有0.21至2.14重量％的硅，以SiO 2计，和0.01至10.0重量％，以SiO 2计，沉淀物由氧化铁芯的表面附着的硅构成，所述氧化铁粒子的球体比，最大直径/最小直径为0.7〜1.0，所述氧化铁粒子的平均粒径为0.05〜1.0μm m，所述氧化铁颗粒的几何标准偏差σg，其显示出不大于1.40的粒度分布，所述氧化铁颗粒的堆积密度为0.80至1.5g / cm 3，所述氧化铁颗粒的表面活性其由吸附在氧化铁颗粒表面上的环己酮分子的数目表示，分子数/ nm 2不大于1.70; 和90〜99.9重量份的橡胶或热塑性树脂。

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