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| Number | Title | Issue Date |
| 8123972 | Sheet-like soft-magnetic material and production method thereof The present invention is to impart, to a sheet-like soft magnetic material, a configuration in which sheet thickness change is suppressed and in which fluctuation in magnetic permeability is small even under a high-temperature or a high-temperature, high-humidity en... | 02/28/2012 |
| 8123971 | Magnetorheological elastomers (MREs) with polynorbornene as a carrier medium, processes for producing such elastomer composites and their use The invention relates to composites made of an elastic carrier medium comprising polynorbornene (PNR) and magnetisable particles which are polarized reversibly in a magnetic field. Thus the mechanical properties, such as e.g. storage modulus G′ (describes the elas... | 02/28/2012 |
| 7981310 | Method for preparing magnetic paint and magnetic recording medium comprising the same A magnetic paint is prepared by a method comprising a surface-treating step for magnetic powder, to obtain a first composition by mixing and stirring a composition which comprises a magnetic powder, a dispersant and/or a binder resin, and an organic solvent, and whi... | 07/19/2011 |
| 7976720 | Composite magnetic sheet and production method thereof The present invention provides a composite magnetic sheet having a high magnetic permeability, to be produced easily at a low cost. The composite magnetic sheet includes magnetic substance powders and polytetrafluoroethylene powders. ... | 07/12/2011 |
| 7837892 | Rubber compound containing nanoscale, magnetic fillers Rubber compound containing at least one nanoscale, magnetic filler and at least one non-magnetic filler. Vulcanizable mixture containing the rubber compound and at least one crosslinking agent and/or vulcanization accelerator. Molding obtainable from the vulcanizabl... | 11/23/2010 |
| 7833432 | Composite metal molding and method for manufacturing thereof A compression molding which is high in both dimensional accuracy and mechanical strength is difficult to manufacture by a powder molding process. Especially, a molding including a soft magnetic material with high soft magnetic properties is difficult to manufacture.... | 11/16/2010 |
| 7828988 | Anisotropic rare earth bonded magnet having self-organized network boundary phase and permanent magnet motor utilizing the same An anisotropic rare-earth bonded magnet having a network boundary phase is provided by imparting melt fluidity accompanied by a slip to a composite granule and compressing and molding the composite granule in a magnetic field together with extensible polymer molecul... | 11/09/2010 |
| 7691285 | Magnetic nanoparticles having improved magnetic properties The invention relates to a method for producing magnetic nanoparticles which are made of metal oxide-polymer composites and are provided with an increased magnetic mobility, among other things, due the high metal oxide content and the morphological structure thereof... | 04/06/2010 |
| 7608197 | Magnetorheological elastomers and use thereof The present invention relates to magnetorheological elastomers comprising at least one non-magnetizable elastomeric carrier medium and magnetizable particles contained therein and also to the use thereof. In the case of MREs of this type, the mechanical properties, ... | 10/27/2009 |
| 7572388 | Magnet compound material to be compression molded, a molded elongate magnetic, a magnet roller, a developing agent-carrying body, a developing apparatus and an image-forming apparatus A magnet compound material to be compression molded, said magnet compound material comprising a magnetic powder and a binder resin particles, wherein a ratio of Dv to Dn is in a range of 1.1 to 1.3, Dv and Dn of the binder resin particles denote the volume average p... | 08/11/2009 |
| 7431862 | Synthesis of magnetic, dielectric or phosphorescent NANO composites A method of forming nano composites within a polymer structure comprises exposing a wettable polymer having ion-exchangeable groups pendant therefrom to an aqueous solution of a soluble salt containing metal ions, the metal ions replacing, by ion exchange, the penda... | 10/07/2008 |
| 7429339 | Magnetic nanomaterials and synthesis method A magnetic nanoparticle (22), a magnetic nanomaterial (30), assembly (30), and a method for synthsising a magnetic nanoparticle, relating to thermodynamically stable and air stable ferromagnetic nanoparticles of adjustable aspect ratio made upon... | 09/30/2008 |
| 7390424 | Ferrite magnetic powder and method for production thereof A ferrite magnetic powder for bonded magnets bonded using a rubber-base resin as binder, which powder is a ferrite magnetic powder containing an alkaline earth metal and having a chlorine content of 0.05 wt % or less and a powder pH of less than 6. The magnetic powd... | 06/24/2008 |
| 7384571 | Ferrite magnet powder bond magnet A ferrite magnetic powder for bond magnet that experiences only small decrease in coercivity when molded into a bond magnet is provided, which is a ferrite magnetic powder that includes an alkaline-earth metal constituent and exhibits a decrease in coercivity of not... | 06/10/2008 |
| 7378035 | Ionic material The present invention relates to a material containing ionic groups that form an ionic pair with a free radical catalyst. In particular, the invention relates to materials that are magnetic, and to the methods of forming such materials. For example, a method of form... | 05/27/2008 |
| 7371471 | Electromagnetic noise suppressing thin film An electromagnetic noise suppressing thin film has a structure including an inorganic insulating matrix made of oxie, nitride, fluoride, or a mixture thereof and columnar-structured particles made of a pure metal of Fe, Co, or Ni or an alloy containing at least 20 w... | 05/13/2008 |
| 7371830 | Method for separating biological material from a fluid using magnetic particles Magnetic particles are prepared containing a magnetic core coated with a glass layer having a substantially pore-free glass surface or having pores with a diameter of less than 10 nm. The particles are used for separating biological material such as nucleic acids. A... | 05/13/2008 |
| 7365289 | Production of nanostructures by curie point induction heating An apparatus for synthesizing nanostructures. In one embodiment, the apparatus includes a heating device that defines a reaction zone therein and a susceptor made of a ferromagnetic material with a Curie temperature and placed in the reaction zone, where the Curie t... | 04/29/2008 |
| 7366454 | Long magnet, production method thereof, magnet roller and image forming device The long magnet includes a magnet block made of a mixture of rare earth magnetic powder, thermoplastic resin particles, fluidity additive, pigment, wax and charge control agent, and a reinforcing member to reinforce the magnet block. At least part of the reinforcing... | 04/29/2008 |
| 7358099 | Process for (A) separating biological/ligands from dilute solutions and (B) conducting an immunochromatographic assay thereof employing superparamagnetic particles throughout Superparamagnetic (“SPM”) subunits of 1–30 nm average mean diameter (e.g. ferro fluid) subparticles are treated with a magnetically noninterfering substance capable of coating and covering them (e.g, BSA) and they spontaneously form agglomerates of about 100 n... | 04/15/2008 |
| 7357880 | Composite rare-earth anisotropic bonded magnet, composite rare-earth anisotropic bonded magnet compound, and methods for their production The bonded magnet of the present invention, in which average particle diameter and compounding ratio are specified, is comprised of Cobalt-less R1 d-HDDR coarse magnet powder that has been surface coated with surfactant, R2 fine magnet powder that has been surface c... | 04/15/2008 |
| 7351406 | Compositions for body hairs and/or head hair Compositions which can be applied to body hairs or head hair, comprising an aqueous suspension of magnetic latex microspheres and of colloidal nanoparticles of magnetic pigment. ... | 04/01/2008 |
| 7348079 | Magnetic recording medium A magnetic recording medium is provided that has on a non-magnetic support, in order, a radiation-cured layer formed by curing a layer containing a radiation curing compound by exposure to radiation, a lower layer having a non-magnetic powder and/or a magnetic powde... | 03/25/2008 |
| 7344587 | Magnetic ink tissue markings The invention provides tissue markings (such as tattoos) comprising magnetic particles, e.g., magnetite, and methods for making and altering, e.g., removing them. ... | 03/18/2008 |
| 7338566 | Alloy for sm-co based magnet, method for production thereof, sintered magnet and bonded magnet The present invention relates to a Sm—Co based magnet alloy useful as a raw material for producing magnets having high magnetic properties, such as sintered or bonded magnets, methods for producing such an alloy, and sintered or bonded magnets having excellent cor... | 03/04/2008 |
| 7339448 | Water resistant encoding material A cured magnetizable admixture of elastomeric thermoplastic, dispersed magnetizable particulate, and optional dispersed hydrophobic material (such as ethylene acrylic monomer rubber or ethylene-vinyl acetate copolymer) provides elastic elongation of not less than ab... | 03/04/2008 |
| 7338573 | Magnetic substrates with high magnetic loading A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnet... | 03/04/2008 |
| 7335317 | Method of preparing polymer composite using unidirectionally solidified giant magnetostrictive material The present invention relates to methods of preparing a polymer composite using a giant magnetostrictive material, and more particularly, to polymers composite having various improved properties, in which the advantageous structure of the giant magnetostrictive mate... | 02/26/2008 |
| 7335316 | Plastic magnet precursor, production method for the same, and plastic magnet A plastic magnet precursor which can be supplied in molding a plastic magnet with a constant composition without requiring kneading in which a resin is melted and sheared. Through injection molding using the precursor, a plastic magnet having little deterioration of... | 02/26/2008 |
| 7332101 | Permanently linked, rigid, magnetic chains One aspect of the present invention relates to a permanently linked, rigid, magnetic chain of particles prepared by sol-gel methods. A second aspect of the present invention relates to a method of preparing a permanently linked, rigid, magnetic chain of particles co... | 02/19/2008 |
| 7332353 | Method for detecting analyte(s) using magnetic colloidal particles The invention concerns a method for detecting and/or quantifying at least an analyte in a liquid medium, characterized in that it consists in using magnetic colloidal particles functionalized at the surface with at least a ligand specific of the analyte to be detect... | 02/19/2008 |
| 7332792 | Magnetic layer processing A dielectric layer is formed over a substrate comprising a semiconductor material. A magnetic layer is formed over the dielectric layer. The magnetic layer comprises an amorphous alloy comprising cobalt. ... | 02/19/2008 |
| 7322187 | Metallurgical powder compositions and articles and methods utilizing the same The metallurgical powder composition suspensions of the present invention include a magnetic powder having an outer oxide layer suspended in a carrier fluid. Magnetic powders include iron-based powders, such as for example, powders of iron pre-alloyed with other ele... | 01/29/2008 |
| 7303819 | Surface treatment of nanoparticles to control interfacial properties and method of manufacture A surface treated particle comprising a plurality of inorganic, metallic, semi-metallic, and/or metallic oxide particles and a star-graft copolymer with looped and/or linear polymeric structure on a star-graft copolymer, obtainable by a heterogeneous polymerization ... | 12/04/2007 |
| 7300600 | Rare earth bonded magnet including amino-acid compound as lubricant In a rare earth bonded magnet comprising a mixture of rare earth magnetic powder, thermosetting resin, and lubricant, the lubricant is constituted by amino-acid compound, specifically either N-lauroyl-L-lysine or N-lauroyl-asparaginic acid. The content of the amino-... | 11/27/2007 |
| 7297290 | Nanostructured magnetorheological fluids and gels Magnetorheological materials having a supramolecular polymer gel as a component of the carrier are disclosed. Useful supramolecular polymers for gels include those having terpyridine ligands which can participate in metal coordination bonding. The magnetizable parti... | 11/20/2007 |
| 7294284 | Method for producing Mn-Zn ferrite The present invention provides a Mn—Zn ferrite which is low in the loss in the frequency range between a few 10 kHz and a few 100 kHz and high in the saturation magnetic flux density in the vicinity of 100° C. The present invention comprising the steps of compact... | 11/13/2007 |
| 7288210 | Method for manufacturing magnetic paint, method for manufacturing non-magnetic paint and magnetic recording medium A method for manufacturing magnetic paint or non-magnetic paint, which can produce a magnetic recording medium having excellent surface smoothness by appropriately setting the condition of a dispersion process for improving the dispersibility of the paint, and a mag... | 10/30/2007 |
| 7281315 | High current inductor and the manufacturing method An inductor with the characteristic of resisting high current comprising a conductor coil and a magnet envelope, the magnet envelope tightly wraps the periphery of the conductor coil and forms the main body of the inductor, and the two extending parts of the conduct... | 10/16/2007 |
| 7282260 | Electrically conductive and electromagnetic radiation absorptive coating compositions and the like A coating composition having outstanding electrically conductive and electromagnetic radiation absorptive properties is disclosed with a water emulsion polymer binder. The binder is a blend of a first emulsion containing a conjugated diene as monomer or comonomer, a... | 10/16/2007 |
