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| Number | Title | Issue Date |
| 7807733 | Color agent for road marking material and road marking material using the same 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... | 10/05/2010 |
| 7597958 | Black magnetic iron oxide particles having a specific dissolution of sulfur element The present invention relates to a black magnetic iron oxide particles each having a polyhedral shape wherein when a percentage of dissolution of iron element based on a total amount of iron element contained in the black magnetic iron oxide particles is 50%, a perc... | 10/06/2009 |
| 7482384 | Iron composite particles for purifying soil or ground water, process for producing the same, purifying agent containing the same, process for producing the purifying agent and method for purifying soil or ground water Iron composite particles for purifying soil or ground water, comprise α-Fe and magnetite, and having a ratio of a diffraction intensity D110 of (110) plane of α-Fe to a sum of a diffraction intensity D311 of (311) plane of magnetite and the d... | 01/27/2009 |
| 7449199 | Nanostructural substance The present invention relates to a nanostructural substance constituted from primary particles having a particle diameter of not more than 30 nm. In the nanostructural substance of the present invention, the primary particles have a small particle diameter, and a co... | 11/11/2008 |
| 7432314 | Functional material, dispersion containing the functional material, and process for producing the functional material A functional material comprising fine coloring particles having an average primary particle diameter of 1 to 50 nm in a dried state, and having a BET specific surface area value of 30 to 500 m2/g and a light transmittance of not less than 80%. The functio... | 10/07/2008 |
| 7431908 | Coated spherical tetragonal barium titanate particles and process for producing the same Spherical tetragonal barium titanate particles of the present invention have a perovskite crystal structure, an average particle diameter of 0.05 to 0.5 μm, a particle size distribution σg of not less than 0.70, and a ratio of Ba to Ti of 0.99:1 to 1.01:1. The sph... | 10/07/2008 |
| 7405359 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles A chlorine-containing resin composition for covering an electric wire of the present invention, has a heat stability of not less than 240 minutes and a volume resistivity of 5.0×1013 to 1.0×1016 Ω·cm when measured according to JIS K6723, an... | 07/29/2008 |
| 7351355 | Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the same A purifying agent for purifying soil or ground water which comprises a water suspension containing iron composite particles comprising α-Fe and magnetite, and having an average particle diameter of 0.05 to 0.50 μm, an S content of 3500 to 10000 ppm and an Al conte... | 04/01/2008 |
| 7259194 | Color agent for road marking material and road marking material using the same 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... | 08/21/2007 |
| 7220366 | Process for purifying contaminated soil or groundwater with iron particles Iron particles for purifying soil or ground water of the present invention comprise a mixed phase of α-Fe phase and Fe3O4 phase, and having a BET specific surface area of 5 to 60 m2/g, an Fe content of not less than 75% by weight ba... | 05/22/2007 |
| 7196036 | Catalyst for decomposition of hydrocarbons, process for producing the catalyst, and process for producing hydrogen using the catalyst A catalyst for decomposition of hydrocarbons, comprises porous oxide particles containing magnesium and aluminum, and fine metallic nickel particles which are present in the vicinity of surface of the respective porous oxide particles, and have an average particle d... | 03/27/2007 |
| 7192539 | Cobalt oxide particles and process for producing the same, cathode active material for non-aqueous electrolyte secondary cell and process for producing the same, and non-aqueous electrolyte secondary cell The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous ... | 03/20/2007 |
| 7172642 | Magnetic metal particles containing iron as main component, process for producing the same and magnetic recording medium using the same Magnetic metal particles containing iron as a main component, comprising cobalt in an amount of usually 20 to 50 atm %, calculated as Co, based on whole Fe, aluminum in an amount of usually 3 to 15 atm %, calculated as Al, based on whole Fe and a rare earth element ... | 02/06/2007 |
| 7157025 | Transparent coloring composition and color filter The transparent coloring composition comprises a solvent and an organic-inorganic composite pigment comprising (i) fine white inorganic particles and an organic pigment adhered to the surface of the respective fine white inorganic particles, or (ii) fine white inorg... | 01/02/2007 |
| 7144626 | Magnetic iron oxide particles and magnetic toner using the same There are provided magnetic iron oxide particles having an average particle diameter (Dp50) of primary particles of 0.05 to 0.3 μm, an average particle diameter (Da50) of secondary particles of 0.055 to 0.9 μm, and a ratio of the average part... | 12/05/2006 |
| 7112291 | Cobalt oxide particles and process for producing the same, cathode active material for non-aqueous electrolyte secondary cell and process for producing the same, and non-aqueous electrolyte secondary cell The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous ... | 09/26/2006 |
| 7094814 | Coloring composition for color filter containing colorant and color filter using the same A coloring composition for a color filter composed of composite particles having an average particle diameter of 0.00 1 to 1.0 μm, and containing white inorganic particles, a glue coating layer formed on the surface of the white inorganic particle and an organic pi... | 08/22/2006 |
| 7025905 | Black composite particles for semiconductor sealing material, and semiconductor sealing material using the same Black composite particles for a semiconductor sealing material of the present invention, comprises: an extender pigment as a core particle; and a black pigment formed on surface of the extender pigment in an amount... | 04/11/2006 |
| 7022256 | Iron particles for purifying contaminated soil or ground water Iron particles for purifying soil or ground water of the present invention comprise a mixed phase of α-Fe phase and Fe3O4 phase, and having a BET specific surface area of 5 to 60 m2/g, an Fe content of not less than 75% by weight ba... | 04/04/2006 |
| 7022752 | Composite particles, process for producing the same, and pigment, paint and resin composition using the same Composite particles having an average particle diameter of 0.001 to 10.0 μm, comprise: white inorganic particles as core particles; a gluing agent coating layer formed on surface of the white inorganic particle; a... | 04/04/2006 |
| 6998071 | COBALT OXIDE PARTICLES AND PROCESS FOR PRODUCING THE SAME, CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous ... | 02/14/2006 |
| 6939909 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles A chlorine-containing resin composition for covering an electric wire of the present invention, has a heat stability of not less than 240 minutes and a volume resistivity of 5.0×1013 to 1.0×1016 Ω·cm when measured according to JIS K6723, an... | 09/06/2005 |
| 6919396 | Mg-Al-based hydrotalcite-type particles, chlorine-containing resin composition and process for producing the particles A chlorine-containing resin composition for covering an electric wire of the present invention, has a heat stability of not less than 240 minutes and a volume resistivity of 5.0×1013 to 1.0×1016 Ω·cm when measured according to JIS K6723, an... | 07/19/2005 |
| 6916530 | Perpendicular magnetic recording medium A perpendicular magnetic recording medium, comprises a substrate; a soft-magnetic layer formed on the substrate; an NaCl-type oxide layer for orientation control formed on the soft-magnetic layer, having a thickness of from more than 0 to less than 10 nm; and a magn... | 07/12/2005 |
| 6863966 | Black magnetic acicular composite particles for magnetic recording medium and magnetic recording medium using the same A magnetic recording medium comprises: a non-magnetic base film; and a magnetic recording layer comprising a binder resin and black magnetic acicular composite particles having an average particle diameter of 0.051... | 03/08/2005 |
| 6844067 | Black iron-based particles and black toner containing the same Black iron-based particles comprise a FeTiO3—Fe2O3 solid solution or a mixed composition of a FeTiO3—Fe2O3 solid solution and an iron-based oxide having a spinel structure, and having a Ti content... | 01/18/2005 |
| 6838218 | Black toner A black toner comprises a binder resin and black composite particles having an average particle diameter of 0.005 to 0.30 μm, and comprising: extender pigments as core particles; a gluing agent-coating layer formed on surface of the respective core particles; and a... | 01/04/2005 |
| 6830635 | Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same The present invention relates to spindle-shaped goethite particles having an average major axial diameter of 0.05 to 0.18 μm, spindle-shaped hematite particles having an average major axial diameter of 0.05 to 0.17 μm, spindle-shaped magnetic metal particles conta... | 12/14/2004 |
| 6824867 | Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same Non-magnetic composite particles composed of non-magnetic core particles having an average particle size of 0.01 to 0.3 μm, and inorganic fine particles having an average particle size of 0.001 to 0.07 μm. The fine particles are present in an amount of 0.1 to 20% ... | 11/30/2004 |
| 6821618 | Magnetic recording medium and process for producing the same A magnetic recording medium exhibiting a high coercive force and excellent squareness having a substrate, an underlayer formed on the substrate, and a spinel-type iron oxide thin film with maghemite as a main component formed on the underlayer. The spinel-type iron ... | 11/23/2004 |
| 6808697 | Spherical tetragonal barium titanate particles and process for producing the same Spherical tetragonal barium titanate particles of the present invention have a perovskite crystal structure, an average particle diameter of 0.05 to 0.5 μm, a particle size distribution σg of not less than 0.70, and a ratio of Ba to Ti of 0.99:1 to 1.01:1. The sph... | 10/26/2004 |
| 6803104 | Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles A magnetic recording medium composed of a non-magnetic base film; a non-magnetic undercoat layer formed on the non-magnetic base film, including a binder resin and non-magnetic acicular black iron-based composite particles; and a magnetic coating film comprising a b... | 10/12/2004 |
| 6800587 | Iron compound catalyst for inhibiting generation of dioxin An iron compound catalyst for inhibiting the generation of dioxin contains iron oxide particles, iron oxide hydroxide particles or mixed particles having a catalytic activity capable of converting not less than 15% of carbon monoxide into carbon dioxide when 2.8×10... | 10/05/2004 |
| 6800684 | Composite particles, and tread rubber composition, paint and resin composition using the same Composite particles capable of an excellent dispersibility and an excellent light resistance of the present invention have an average particle diameter of 0.001 to 12.0 μm, comprise: white inorganic particles as core particles; a gluing agent-coating ... | 10/05/2004 |
| 6787059 | Resin composition for bonded magnet and bonded magnet using the same A resing composition for bonded magnet of the present invention comprises: magnetic particles; and an aromatic polyamide resin comprising an aromatic carboxylic acid and an aliphatic diamine, which has a molar rational of residual end carboxyl groups t... | 09/07/2004 |
| 6783608 | Secondary agglomerates of magnetic metal particles for magnetic recording and process for producing the same Secondary agglomerates of magnetic metal particles for magnetic recording, have a sodium content of not more than 20 ppm and a calcium content of not more than 40 ppm, an average particle diameter of 300 to 800 μm and an upper limit of particle diameters of 2,000 Î... | 08/31/2004 |
| 6780555 | Black magnetic iron oxide particles and magnetic toner Black magnetic iron oxide particles having an average particle diameter of 0.05 to 1.0 μm have a three-phase structure comprising: a core portion containing at least one metal element other than Fe selected from the group consisting of Mn, Zn, Cu, Ni, Cr, Cd... | 08/24/2004 |
| 6767611 | Black magnetic acicular containing composite particles magnetic recording medium A magnetic recording medium using black magnetic acicular composite particles produced by forming a single carbon black coat between the surface of magnetic acicular cobalt-coated iron oxide particle or magnetic acicular metal particle and a coating comprising at le... | 07/27/2004 |
| 6756154 | Cathode active material for non-aqueous electrolyte secondary cell and process for producing the same A cathode active material for a non-aqueous electrolyte secondary cell having a c-axis length of lattice constant of 14.080 to 14.160 Å, an average particle size of 0.1 to 5.0 μm, and a composition represented by the formula: LiCo(1−x−y) | 06/29/2004 |
| 6753084 | Spindle-shaped magnetic alloy particles for magnetic recording, and magnetic recording medium Spindle-shaped magnetic alloy particles containing Fe and Co as main components of the present invention have a cobalt content of 20 to 50 atm % (calculated as Co) based on whole Fe; an average major axis diameter (L) of 0.03 to 0.10 μm; a coercive force value of 1... | 06/22/2004 |
