公开(公告)号：US4992191A

公开(公告)日：1991-02-12

申请号：US296280

申请日：1989-01-11

申请人： Keiso Mori ,  Masaru Kawabata ,  Masao Kunishige ,  Nanao Horiishi ,  Koji Toda

发明人： Keiso Mori ,  Masaru Kawabata ,  Masao Kunishige ,  Nanao Horiishi ,  Koji Toda

IPC分类号： C01G49/00 ,  C01G49/08 ,  C09D7/12 ,  G03G9/083 ,  G11B5/706 ,  H01F1/11

CPC分类号： G11B5/70689 ,  C09D7/1216 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0837 ,  H01F1/11 ,  C08K3/22 ,  C08K7/18

摘要： Disclosed herein are sphere-like magnetite particles showing an apparent density of from 0.40 to 1.00 g/cm.sup.3 and a high thermo-stability and containing from 0.1 to 5.0 atomic % of Si to Fe, and a process for producing the sphere-like magnetite particles.

摘要翻译： 本文公开了球状磁铁矿颗粒，其表观密度为0.40至1.00g / cm 3，并且具有高热稳定性并且含有0.1至5.0原子％的Si与Fe，以及用于制备球形磁铁矿颗粒的方法 。

公开(公告)号：US3970738A

公开(公告)日：1976-07-20

申请号：US535194

申请日：1974-12-23

申请人： Goro Matsui ,  Koji Toda ,  Nanao Horiishi ,  Kazuyoshi Wakimoto ,  Yoshifumi Nishiyama ,  Tsuneyoshi Taketa ,  Kazushi Takama

发明人： Goro Matsui ,  Koji Toda ,  Nanao Horiishi ,  Kazuyoshi Wakimoto ,  Yoshifumi Nishiyama ,  Tsuneyoshi Taketa ,  Kazushi Takama

IPC分类号： C01G49/08 ,  C01G49/02 ,  C09C1/24

CPC分类号： B82Y30/00 ,  C01G49/02 ,  C09C1/24 ,  C01P2002/32 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2004/64 ,  Y10S423/01 ,  Y10S423/02

摘要： The processes for producing iron oxide products from a solution of ferrous salts selected from the group consisting of waste liquid containing ferrous salts and aqueous solution in which ferrous salts obtained from the waste liquid are dissolved, under the acid, wet and high ferrous concentration conditions. More particularly, the processes for purifying said waste liquids comprising the bivalent iron removing steps.

摘要翻译： 在酸，湿和高亚铁浓度条件下，从含有亚铁盐的废液和从废液中得到的亚铁盐溶解的水溶液中的铁盐溶液的溶液生产氧化铁产品的方法。 更具体地，涉及包含二价铁除去步骤的净化所述废液的方法。

公开(公告)号：US4133677A

公开(公告)日：1979-01-09

申请号：US783326

申请日：1977-03-31

申请人： Goro Matsui ,  Koji Toda ,  Atushi Takedoi ,  Nanao Horiishi

发明人： Goro Matsui ,  Koji Toda ,  Atushi Takedoi ,  Nanao Horiishi

IPC分类号： B22F1/02 ,  B22F9/22 ,  H01F1/06 ,  C22C1/04

CPC分类号： B22F9/22 ,  B22F1/02 ,  H01F1/065

摘要： The process for producing acicular magnetic metallic particle powder with improved magnetic properties which include the characteristic steps for producing the acicular particles of metal oxide with homogeneous and dense coats of crystalline silica and to thereby protect the particles from heat-damages during the reduction thereof under high temperatures.

摘要翻译： 制造具有改善的磁性能的针状磁性金属颗粒粉末的方法，其包括用均匀且致密的结晶二氧化硅涂层制造金属氧化物的针状颗粒的特征步骤，从而保护颗粒在高温下还原期间的热损伤 温度。

公开(公告)号：US4033891A

公开(公告)日：1977-07-05

申请号：US553325

申请日：1975-02-26

申请人： Goro Matsui ,  Koji Toda ,  Shigeki Shimizu ,  Nanao Horiishi ,  Atushi Takedoi

发明人： Goro Matsui ,  Koji Toda ,  Shigeki Shimizu ,  Nanao Horiishi ,  Atushi Takedoi

IPC分类号： C01G49/00 ,  C01G49/06 ,  G11B5/706 ,  H01F1/11

CPC分类号： B82Y30/00 ,  C01G49/06 ,  G11B5/70647 ,  G11B5/70652 ,  G11B5/70668 ,  C01P2004/10 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/42

摘要： The present invention relates to a process for producing magnetic particle powder of acicular ferric oxide used for a magnetic recording material comprising (A) reducing acicular goethite particle powder to obtain acicular magnetite particle powder, (B) heating said acicular magnetite particle powder and thereby making the partial pressure of oxygen in said acicular magnetite particle powder reach the equilibrium value and (C) oxidizing said acicular magnetite particle powder to obtain gamma-hematite (maghemite) particle powder, and magnetic particle powder produced thereby.

摘要翻译： 本发明涉及一种用于磁记录材料的针状氧化铁磁粉颗粒的制造方法，其特征在于：（A）还原针状针铁矿粒子粉末，得到针状磁铁矿粉末，（B）加热所述针状磁铁矿粉末， 所述针状磁铁矿颗粒粉末中的氧分压达到平衡值，（C）氧化所述针状磁铁矿颗粒粉末，得到γ-赤铁矿（磁赤铁矿）颗粒粉末，由此生成磁性颗粒粉末。

公开(公告)号：US4251592A

公开(公告)日：1981-02-17

申请号：US26548

申请日：1979-04-03

申请人： Atushi Takedoi ,  Nanao Horiishi ,  Goro Matsui ,  Koji Toda

发明人： Atushi Takedoi ,  Nanao Horiishi ,  Goro Matsui ,  Koji Toda

IPC分类号： B22F1/00 ,  H01F1/06 ,  B32B5/16

CPC分类号： B22F1/0088 ,  H01F1/061 ,  Y10S428/90 ,  Y10T428/2991

摘要： Stabilization treatment of acicular ferromagnetic iron or iron-alloy fine particles against the oxidation thereof comprises the steps of (a) suspending acicular ferromagnetic iron or iron-alloy particles obtained by the reduction of acicular iron oxide which may contain Co or Ni in an aqueous alkaline solution having 0.01 to 18-N of hydroxyl ion concentration at a temperature of 5.degree. to 70.degree. C. while stirring the suspension in a non-oxidative atmosphere therethrough and thereby controlling the dissolution of ferrous ion from the surface of the acicular particles therein, (b) oxidizing the surface of the acicular particles in the resultant suspension by introducing an oxygen containing gas therein at a temperature of 60.degree. to 100.degree. C. to form dense and thin magnetite film on the surface of the acicular particles; and (c) drying the resultant particles in air at a temperature below 100.degree. C.

摘要翻译： 针状铁磁铁或铁合金微粒对其氧化的稳定化处理包括以下步骤：（a）将可能含有Co或Ni的针状氧化铁还原的碱性铁磁性铁或铁合金颗粒悬浮于碱性水溶液 溶液在5至70℃的温度下具有0.01至18-N的羟基离子浓度，同时在非氧化性气氛中搅拌悬浮液，从而控制亚铁离子从其中的针状颗粒表面的溶解， （b）通过在60至100℃的温度下引入含氧气体来在所得悬浮液中氧化针状颗粒的表面，以在针状颗粒的表面上形成致密和薄的磁铁矿膜; 和（c）在低于100℃的温度下在空气中干燥所得颗粒。

公开(公告)号：US20090260730A1

公开(公告)日：2009-10-22

申请号：US12299187

申请日：2007-04-27

申请人： Ryoi Kodama ,  Nanao Horiishi

发明人： Ryoi Kodama ,  Nanao Horiishi

IPC分类号： C06B31/12 ,  C06B31/00 ,  C06B29/00 ,  C06B29/16 ,  C06B29/22

CPC分类号： B60R21/2644 ,  B60R2021/26029 ,  C06B23/007 ,  C06D5/06 ,  F42B3/04

摘要： Disclosed is a gas generant composition for a gas actuator used for activating a safety device, which contains (A) a nitrogen-containing organic compound, (B) a metal nitrate and/or a perchlorate, (C) a water-soluble polymer binder, and (D) a magnetic material. When compared with the conventional gas generant compositions, this gas generant composition is excellent in combustibility under low pressure conditions and reduced in CO gas generation during combustion. In this gas generant composition, (D) the magnetic material is preferably composed of a magnetic iron oxide. It is also preferable that (A) the nitrogen-containing organic compound is composed of one or more substances selected from nitroguanidine, guanidine nitrate, bitetrazole, azobistetrazole and 5-aminotetrazole; (B) the metal nitrate is composed of a metal salt selected from alkali metals and alkaline earth metals, while the perchlorate is composed of ammonium perchlorate or potassium perchlorate; (C) the water-soluble polymer binder is composed of a mixture of hydroxypropyl methylcellulose (HPMC) and a polyacrylamide; and (D) the magnetic iron oxide has a spinel crystal structure.

摘要翻译： 公开了一种用于启动安全装置的气体致动器用气体发生剂组合物，其包含（A）含氮有机化合物，（B）金属硝酸盐和/或高氯酸盐，（C）水溶性聚合物粘合剂 ，（D）磁性材料。 当与常规气体发生剂组合物相比时，该气体发生剂组合物在低压条件下的可燃性优异，并且在燃烧期间减少了CO气体产生。 在该气体发生剂组合物中，（D）磁性材料优选由磁性氧化铁构成。 还优选（A）含氮有机化合物由选自硝基胍，硝酸胍，四唑，偶氮四唑和5-氨基四唑的一种或多种物质组成; （B）金属硝酸盐由选自碱金属和碱土金属的金属盐构成，而高氯酸盐由高氯酸铵或高氯酸钾组成; （C）水溶性聚合物粘合剂由羟丙基甲基纤维素（HPMC）和聚丙烯酰胺的混合物组成; 和（D）磁性氧化铁具有尖晶石晶体结构。

公开(公告)号：US20060287404A1

公开(公告)日：2006-12-21

申请号：US11451597

申请日：2006-06-13

申请人： Nanao Horiishi ,  Toshiyuki Hakata ,  Hirofumi Kawasaki ,  Shinji Uemoto ,  Hiromitsu Misawa ,  Seiichi Takahashi

发明人： Nanao Horiishi ,  Toshiyuki Hakata ,  Hirofumi Kawasaki ,  Shinji Uemoto ,  Hiromitsu Misawa ,  Seiichi Takahashi

IPC分类号： B01F3/12 ,  H01F1/00 ,  B32B5/16 ,  C09K3/00

CPC分类号： H01F1/344 ,  A61K49/1809 ,  B82Y5/00 ,  H01F1/0054 ,  Y10T428/29 ,  Y10T428/2927 ,  Y10T428/2982

摘要： There are provided a pharmaceutical raw material capable of exhibiting a uniform functionality and producing magnetic particle-containing drugs for diagnosis and medical treatments with a high reproducibility. The pharmaceutical raw material comprises a monodisperse colloid sterile aqueous solution of magnetic iron oxide fine particles having an average particle diameter of 5 to 30 nm, a saturation magnetization of 50 to 90 Am2/kg and a coercive force of 0.1 to 1.6 kA/m. The pharmaceutical raw material can be produced by forming magnetic iron oxide fine particles in the form of a colloid aqueous solution, purifying the resultant colloid aqueous solution of superparamagnetic iron oxide particles by water-washing and removing water-soluble salts by-produced upon the reaction from the reaction solution by an ordinary method, and replacing a dispersing medium of the purified colloid aqueous solution with ultrapure water.

摘要翻译： 提供能够显示均匀功能性并且以高再现性产生用于诊断和医疗的磁性颗粒药物的药用原料。 药物原料包含平均粒径为5〜30nm，饱和磁化强度为50〜90Am 2 / kg的磁性氧化铁微粒的单分散胶体无菌水溶液，矫顽力 为0.1〜1.6kA / m。 药物原料可以通过形成胶体水溶液形式的磁性氧化铁细颗粒来制造，通过水洗净化所得到的超顺磁性氧化铁颗粒的胶体水溶液，并除去反应后副产的水溶性盐 通过常规方法从反应溶液中，用超纯水代替纯化的胶体水溶液的分散介质。

公开(公告)号：US20060097232A1

公开(公告)日：2006-05-11

申请号：US11107967

申请日：2005-04-18

申请人： Toshiyuki Hakata ,  Hirofumi Kawasaki ,  Nanao Horiishi

发明人： Toshiyuki Hakata ,  Hirofumi Kawasaki ,  Nanao Horiishi

IPC分类号： H01B3/24

CPC分类号： H01F1/447

摘要： The magneto rheological fluid of the present invention comprises magnetic particles, a dispersing medium and polyethyleneoxide as a viscosity modifier, the polyethyleneoxide being contained in an amount of 0.5 to 5% by weight based on the weight of the magnetic particles. The magneto rheological fluid of the present invention can exhibit an excellent dispersion stability, and, more specifically, can exhibit an excellent dispersion stability and can be prevented from suffering from sedimentation of magnetic particles contained therein.

摘要翻译： 本发明的磁流变液包含磁性颗粒，分散介质和聚环氧乙烷作为粘度调节剂，聚环氧乙烷的含量相对于磁性颗粒的重量为0.5-5重量％。 本发明的磁流变液可以表现出优异的分散稳定性，更具体地说可以表现出优异的分散稳定性，并且可以防止其中含有的磁性颗粒的沉降。

公开(公告)号：US5968248A

公开(公告)日：1999-10-19

申请号：US799998

申请日：1997-02-13

申请人： Yasuo Shibasaki ,  Kiichi Oda ,  Saburo Sano ,  Shigehisa Yamamoto ,  Nanao Horiishi

发明人： Yasuo Shibasaki ,  Kiichi Oda ,  Saburo Sano ,  Shigehisa Yamamoto ,  Nanao Horiishi

IPC分类号： C01G23/00 ,  C01G49/00 ,  C01G51/00 ,  C01G53/00 ,  C09C1/00 ,  C09C1/36

CPC分类号： B82Y30/00 ,  C09C1/0084 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2006/60

摘要： A heat-resistant inorganic pigment of the present invention comprises a composite metal oxide containing Ti and two divalent metals selected from the group consisting of Mg, Fe, Ni and Co, the content of said two divalent metals in said composite metal oxide being 0.95 to 1.05, in an atomic ratio, based on Ti, and the composition ratio of said two divalent metals being 95/5 to 5/95 in an atomic ratio. The pigment of the present invention is useful as a pigment for a heat-resistant coating material and is a novel heat-resistant inorganic pigment which does not pollute the environment.

摘要翻译： 本发明的耐热无机颜料包含含有Ti和选自Mg，Fe，Ni和Co的两种二价金属的复合金属氧化物，所述复合金属氧化物中所述两种二价金属的含量为0.95〜 1.05，以原子比计，基于Ti，所述两种二价金属的组成比为原子比为95/5〜5/95。 本发明的颜料可用作耐热涂料的颜料，并且是不污染环境的新型耐热无机颜料。

公开(公告)号：US5112403A

公开(公告)日：1992-05-12

申请号：US756562

申请日：1991-09-11

申请人： Ken Okura ,  Satoru Matsuzaki ,  Tsutomu Katamoto ,  Nanao Horiishi

发明人： Ken Okura ,  Satoru Matsuzaki ,  Tsutomu Katamoto ,  Nanao Horiishi

IPC分类号： C09C1/24 ,  C09D5/36 ,  C09D5/38 ,  C09D7/12

CPC分类号： C09C1/245 ,  C09D7/1216 ,  C09D7/1275 ,  C09D7/1283 ,  C09D7/1291 ,  C01P2002/70 ,  C01P2004/03 ,  C01P2004/20 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/60 ,  C01P2006/63 ,  C01P2006/64 ,  C01P2006/65 ,  C01P2006/66 ,  C01P2006/80 ,  C08K3/22

摘要： Disclosed herein is a coating composition comprising plate-like iron oxide particles having an average particle diameter of 0.5 to 5.0 .mu.m, a lamellar thickness of 50 to 500.ANG. and a plate ratio (the ratio of the average particle diameter to the lamellar thickness) of 50:1 to 500:1, at least one pigment selected from the group consisting of a coloring pigment, a mica pigment and a metal powder pigment, a film-forming polymer, and an organic solvent.