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51.发明授权High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium 失效高密度针状赤铁矿颗粒，非磁性底涂层和磁记录介质公开(公告)号：US06207279B1
公开(公告)日：2001-03-27
申请号：US09048179
申请日：1998-03-26
IPC分类号： B32B1502
CPC分类号： B82Y30/00 , C01G49/06 , C01P2004/10 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2004/84 , C01P2006/12 , C01P2006/22 , C01P2006/40 , C01P2006/42 , C01P2006/80 , G11B5/708 , G11B5/738 , Y10T428/24355 , Y10T428/257 , Y10T428/265 , Y10T428/2991
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.
摘要翻译： 高密度针状赤铁矿颗粒包括针状赤铁矿颗粒和在所述针状赤铁矿颗粒的至少一部分表面上形成的包含锡或锡和氧化物的氧化物的涂层; 平均主轴径不大于0.3μm，pH值不小于8，可溶性钠盐含量不超过300ppm，以Na计算，可溶性硫酸盐含量不大于150ppm， 以SO4计算。 这种高密度针状赤铁矿颗粒适用于使用以铁为主要成分的磁性颗粒的磁记录介质的非磁性底涂层的非磁性颗粒，在车辆中具有优异的分散性和低体积电阻率。
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公开(公告)号：US06207253B1
公开(公告)日：2001-03-27
申请号：US09220356
申请日：1998-12-24
IPC分类号： B32B516
CPC分类号： B82Y30/00 , C01G49/06 , C01P2004/04 , C01P2004/10 , C01P2004/39 , C01P2004/50 , C01P2004/51 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2004/86 , C01P2006/12 , C01P2006/22 , C01P2006/42 , C01P2006/80 , C09C1/24 , G11B5/733 , G11B5/738 , Y10T428/256 , Y10T428/257 , Y10T428/259 , Y10T428/2991 , Y10T428/2993
摘要： Acicular hematite particles of the present invention comprise an average major axis diameter of 0.004 to 0.295 &mgr;m, a geometrical standard deviation of minor axis diameter of not more than 1.35 and a pH value of not less than 8, and containing not more than 300 ppm of soluble sodium salt, calculated as Na and not more than 150 ppm of soluble sulfate, calculated as SO4. Such acicular hematite particles are suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which exhibits a low light transmittance, an excellent smooth surface and a high strength, and can be prevented from being deteriorated in magnetic properties due to the corrosion of magnetic acicular metal particles containing iron as a main component which are dispersed in a magnetic recording layer thereof.
摘要翻译： 本发明的针状赤铁矿颗粒包括平均长轴直径为0.004至0.295μm，短轴直径的几何标准偏差不大于1.35，pH值不小于8，并且包含不大于300ppm的 可溶性钠盐，以Na计，不超过150ppm的可溶性硫酸盐，以SO4计算。这种针状赤铁矿颗粒适合作为磁性记录介质的非磁性底涂层的非磁性颗粒，其表现出低的透光率 ，具有优异的光滑表面和高强度，并且可以防止由于分散在其磁记录层中的以铁为主要成分的磁针状金属颗粒的腐蚀而导致的磁特性劣化。
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公开(公告)号：US6153296A
公开(公告)日：2000-11-28
申请号：US266018
申请日：1999-03-11
CPC分类号： C01G49/06 , B82Y30/00 , C01G49/0018 , G11B5/738 , C01P2002/54 , C01P2004/10 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/22 , C01P2006/42 , Y10S428/90 , Y10T428/256 , Y10T428/257 , Y10T428/2982 , Y10T428/2991
摘要： Acicular hematite particles of the present invention contain zirconium of 0.05 to 30% by weight (calculated as Zr) based on the total weight of the particles, which is present within the particle, which have an average major axis diameter of not more than 0.3 .mu.m and a pH value of not less than 8, and contain not more than 300 ppm of soluble sodium salt, calculated as Na and not more than 150 ppm of soluble sulfate, calculated as SO.sub.4.Such acicular hematite particles are suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which exhibits a low light transmittance, an excellent smooth surface, a high strength and an excellent durability, and can be prevented from being deteriorated in magnetic properties due to the corrosion of magnetic acicular metal particles containing iron as a main component which are dispersed in a magnetic recording layer thereof.
摘要翻译： 本发明的针状赤铁矿颗粒含有基于颗粒内存在的平均长径不大于0.3μm的颗粒总重量为0.05〜30重量％（以Zr计算）的锆 m，pH值不小于8，并且含有不大于300ppm的可溶性钠盐，以Na计，不超过150ppm的可溶性硫酸盐，以SO 4计算。 这种针状赤铁矿颗粒适用于磁记录介质的非磁性底涂层的非磁性颗粒，其表现出低的透光率，优异的光滑表面，高强度和优异的耐久性，并且可以防止劣化 由于以分散在其磁记录层中的以铁为主要成分的磁性针状金属颗粒的腐蚀而导致的磁特性。
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54.发明授权Black non-magnetic composite particles for black toner and black toner using the same 失效用于黑色调色剂的黑色非磁性复合颗粒和使用其的黑色调色剂
公开(公告)号：US6130017A
公开(公告)日：2000-10-10
申请号：US293057
申请日：1999-04-16
CPC分类号： G03G9/08773 , G03G9/0902 , Y10T428/2991
摘要： Black non-magnetic composite particles for black toner according to the present invention, comprise:black hematite particles or black iron oxide hydroxide particles as core particles;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; anda 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 non-magnetic composite particles being 0.08 to 1.0 .mu.m.Such black non-magnetic composite particles are suitable for a black toner which can exhibit not only an excellent flowability but also a high volume resistivity.
摘要翻译： 本发明黑色调色剂黑色非磁性复合颗粒包括黑色赤铁矿颗粒或黑色铁氧化物氢氧化物颗粒作为核心颗粒; 附着或存在于每个磁铁矿颗粒的表面的至少一部分上的细颗粒，并且包含由选自Si，Zr，Ti，Al中的至少一种元素组成的氧化物，氧化物氢氧化物或氧化物和氧化物氢氧化物 和Ce; 和形成在所述微粒或所述微粒上的甲基氢聚硅氧烷涂层和所述磁铁矿粒子的露出面，所述黑色非磁性复合粒子的平均粒径为0.08〜1.0μm。 这种黑色非磁性复合颗粒适用于黑色调色剂，其不仅具有优异的流动性，而且还具有高的体积电阻率。
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55.发明授权Hematite particles and magnetic recording medium using hematite particles as non-magnetic particles for a non-magnetic undercoat layer 失效使用赤铁矿颗粒作为非磁性颗粒的非磁性底涂层的赤铁矿颗粒和磁记录介质
公开(公告)号：US6120898A
公开(公告)日：2000-09-19
申请号：US4720
申请日：1998-01-08
CPC分类号： B82Y30/00 , C01G49/06 , G11B5/738 , C01P2002/52 , C01P2004/10 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/22 , C01P2006/42 , Y10S428/90 , Y10T428/256 , Y10T428/257 , Y10T428/2982 , Y10T428/2991
摘要： The present invention relates to acicular hematite particles containing aluminum of 0.05 to 50% by weight, calculated as Al, having an average major axial diameter of not more than 0.3 .mu.m and a pH value of the particles of not less than 8, and containing soluble sodium salts of not more than 300 ppm soluble sodium, calculated as Na, and soluble sulfates of not more than 150 ppm soluble sulfate, calculated as SO.sub.4, which have an excellent dispersibility in a binder resin, and a magnetic recording medium which uses the hematite particles as non-magnetic particles for a non-magnetic undercoat layer, which has small light transmittance, smooth surface, high strength and high durability, and which is capable of suppressing the deterioration in the magnetic properties caused by a corrosion of the magnetic particles containing as a main ingredient in the magnetic recording layer.
摘要翻译： 本发明涉及铝的0.05〜50重量％的针状赤铁矿粒子，Al计算，平均主轴径为0.3μm以下，粒子的pH值为8以上，含有 以Na计算的不超过300ppm可溶性钠的可溶性钠盐和以粘结剂树脂具有优异分散性的SO4计算的不超过150ppm可溶性硫酸盐的可溶性硫酸盐，以及使用 赤铁矿颗粒作为非磁性底涂层的非磁性颗粒，其透光率小，表面光滑，强度高，耐久性高，能够抑制由磁性颗粒的腐蚀引起的磁特性的劣化 在磁记录层中含有主要成分。
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56.发明授权Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same 失效氧化钛粒子，磁记录介质用基板及使用其的磁记录介质
公开(公告)号：US6042937A
公开(公告)日：2000-03-28
申请号：US990880
申请日：1997-12-15
CPC分类号： G11B5/738 , C01G23/047 , C09C1/3661 , C01P2004/62 , C01P2006/12 , C01P2006/80 , Y10S428/90 , Y10T428/25 , Y10T428/256 , Y10T428/257 , Y10T428/265 , Y10T428/2982 , Y10T428/2991
摘要： The present invention relates to titanium oxide particles having an average particle size of not more than 0.3 .mu.m, and a BET specific surface area of 15 to 200 m.sup.2 /g, containing a soluble sodium salt of not more than 230 ppm, calculated as Na, and a soluble sulfate of not more than 150 ppm, calculated as SO.sub.4, and having a pH value of not less than 8. The titanium oxide particles of the present invention are suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which uses magnetic particles containing iron as a main ingredient, and even more particularly, are suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which uses magnetic particles containing iron as a main ingredient, show an excellent dispersibility in a binder resin, contain only a small amount of soluble sodium salt and soluble sulfate, and have a pH value of not less than 8.
摘要翻译： 本发明涉及平均粒径不大于0.3μm，BET比表面积为15-200m2 / g的氧化钛颗粒，其含有不大于230ppm的可溶性钠盐，其计算为Na ，以SO4计算的不大于150ppm的可溶性硫酸盐，pH值不小于8.本发明的氧化钛颗粒适合作为非磁性颗粒用于非磁性底涂层 使用以铁为主成分的磁性粒子的磁记录介质，更具体地说，适合作为使用以铁为主要成分的磁性粒子的磁记录介质的非磁性底涂层的非磁性粒子， 在粘合剂树脂中显示出优异的分散性，仅含有少量的可溶性钠盐和可溶性硫酸盐，并且具有不小于8的pH值。
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公开(公告)号：US5922464A
公开(公告)日：1999-07-13
申请号：US908984
申请日：1997-08-08
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
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; and90 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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58.发明授权Manufacturing method of soft magnetic material and manufacturing method of dust core 有权软磁材料的制造方法和防尘芯的制造方法公开(公告)号：US08557330B2
公开(公告)日：2013-10-15
申请号：US13409850
申请日：2012-03-01
申请人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Seiji Ishitani , Hiroko Morii , Kazuyuki Hayashi
发明人： Toru Maeda , Naoto Igarashi , Haruhisa Toyoda , Seiji Ishitani , Hiroko Morii , Kazuyuki Hayashi
CPC分类号： H01F1/24 , B22F1/02 , B22F2998/10 , C22C33/02 , H01F1/26 , H01F3/08 , H01F41/0246 , Y10T428/2991 , Y10T428/2998 , B22F1/007 , B22F3/02 , B22F3/10
摘要： A manufacturing method of a soft magnetic material has a step of preparing a metal magnetic particle containing iron as the main component, and a step of forming an insulating film surrounding the surface of the metal magnetic particle. The step of forming the insulating film includes a step of mixing and stirring the metal magnetic particle, aluminum alkoxide, silicon alkoxide, and phosphoric acid.
摘要翻译： 软磁性材料的制造方法具有制备以铁为主要成分的金属磁性体的工序，以及形成包围金属磁性体的表面的绝缘膜的工序。 形成绝缘膜的步骤包括混合和搅拌金属磁性颗粒，醇铝，硅烷氧化物和磷酸的步骤。
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59.发明授权Colored composite microparticles, process for producing the colored composite microparticles, colorant, color filter and ink for ink-jet printing 失效着色复合微粒，彩色复合微粒的制造方法，着色剂，滤色器和喷墨印刷用油墨公开(公告)号：US08303861B2
公开(公告)日：2012-11-06
申请号：US12926485
申请日：2010-11-22
IPC分类号： G02B5/23 , G02F1/1335
CPC分类号： C09C1/309 , B82Y30/00 , C01P2004/64 , C01P2006/12 , C01P2006/22 , C01P2006/60 , C01P2006/62 , C01P2006/64 , C01P2006/65 , C09C1/0081 , C09C1/30 , C09C1/3063 , C09C1/3081 , C09D11/322 , G02B5/201
摘要： Colored composite microparticles comprising silica and an organic pigment in which the silica is enclosed in the organic pigment and contained in an amount of 0.001 to 9% by weight (calculated as Si) based on the weight of the composite particles. These microparticles have a high tinting strength and are excellent in dispersibility and light fastness.
摘要翻译： 包含二氧化硅和有机颜料的着色复合微粒，其中基于复合颗粒的重量，二氧化硅被包封在有机颜料中并且含有0.001至9重量％（以Si计）。 这些微粒具有高的着色强度，分散性和耐光性优异。
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60.发明授权Color agent for road marking material and road marking material using the same 有权道路标线材料的颜色代理和使用该道路标线的道路标线材料公开(公告)号：US07807733B2
公开(公告)日：2010-10-05
申请号：US11826268
申请日：2007-07-13
申请人： Kazuyuki Hayashi , Hiroko Morii , Yusuke Shimohata
发明人： Kazuyuki Hayashi , Hiroko Morii , Yusuke Shimohata
IPC分类号： F21V7/22
CPC分类号： C09C1/027 , C01P2004/62 , C01P2006/12 , C01P2006/37 , C01P2006/62 , C01P2006/63 , C01P2006/64 , C01P2006/65 , C09C1/021 , C09C1/043 , C09C1/24 , C09C1/309 , C09C1/3692 , C09C3/006 , C09C3/08 , C09C3/12 , C09D5/004 , Y10T428/252 , Y10T428/256
摘要： A color agent for a road marking material comprising composite particles having an average particle diameter of 0.01 to 10.0 μm, said composite particles comprising: inorganic particles; a gluing agent coating layer formed on surface of said inorganic particle; and an organic pigment coat formed onto said gluing agent coating layer in an amount of from 1 to 500 parts by weight based on 100 parts by weight of said inorganic particles. The color agent for a road marking material, contains no harmful elements and exhibits excellent tinting strength, hiding power, light resistance and heat resistance, and is suppressed in surface activity thereof. The road marking material using the color agent, shows a less change in hue with the passage of time and an excellent retroreflective property.
摘要翻译： 一种用于道路标线材料的着色剂，其包含平均粒径为0.01至10.0μm的复合颗粒，所述复合颗粒包括：无机颗粒; 形成在所述无机颗粒的表面上的胶粘剂涂层; 和基于100重量份的所述无机颗粒，以1至500重量份的量形成在所述胶粘剂涂层上的有机颜料涂层。 用于道路标识材料的着色剂不含有害元素，并且具有优异的着色强度，遮盖力，耐光性和耐热性，并且抑制其表面活性。 使用着色剂的道路标记材料随着时间的推移显示出较少的色相变化和良好的回射性能。
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