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| Number | Title | Issue Date |
| 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 |
| 7344653 | Method for producing and magnetising a bitumen film containing magnetic powder A bitumen film containing magnetic powder is heated prior to magnetization to a temperature enabling the magnetic powder particles to be oriented according to the effect of the magnetic field. The bitumen film is sufficiently cooled after magnetization in order to p... | 03/18/2008 |
| 7319004 | Materials and methods relating to polyions and substance delivery Materials and method are disclose for delivering a desired substance to a target site, using a layered carrier in which the carrier and the substance together form at least three layers which associate by ionic interaction at the first pH, where at least one layer c... | 01/15/2008 |
| 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 |
| 7261834 | Tunable magneto-rheological elastomers and processes for their manufacture Novel magnetorheological elastomer compositions are provided. The magnetorheological elastomers (MREs) may have aligned or randomly arranged magnetizable particles in a thermoset or thermoplastic matrix. The magnetizable particles may be coated to reduce corrosion a... | 08/28/2007 |
| 7249604 | Medical devices for occlusion of blood flow The present invention discloses a method for the occlusion of blood vessels or fluid vessels to stop the flow of blood or fluid during elective or emergency surgical procedures or following traumatic injury. This invention also encompasses a medical device or tool f... | 07/31/2007 |
| 7214427 | Composite beads comprising magnetizable substance and electro-conductive substance This invention relates generally to the field of moiety or molecule isolation, detection and manipulation and library synthesis. In particular, the invention provides a bead, which bead comprises: a) a magnetizable substance; and b) an electrically conductive substa... | 05/08/2007 |
| 7210526 | Solid state pump The present invention is a material and method that enables creation of an in situ pumping action within a matrix or otherwise porous media. This pumping action may be used to move materials, namely fluids, through the matrix or porous media to a gathering point. Th... | 05/01/2007 |
| 7208097 | Iron-based rare earth alloy nanocomposite magnet and method for producing the same An iron-based rare earth alloy nanocomposite magnet has a composition represented by (Fe1-mTm)100-x-y-zQxRyTiz, where T is Co and/or Ni, Q is B and/or C and R is rare earth element(s) including substa... | 04/24/2007 |
| 7175912 | Super-paramagnetic composite particle with core/shell structure, preparation method and use thereof The invention relates to a super-paramagnetic composite particle with core/shell structure, preparation method and use thereof. The composite particle is consisted of a core portion and a shell portion coated on the surface of the core portion, wherein said core por... | 02/13/2007 |
| 7160481 | Method for manufacturing magnetic paint, and magnetic recording medium A method for manufacturing magnetic paint is provided, wherein a dispersion condition is appropriately controlled to excellently disperse a magnetic powder composed of fine particles adaptable for a higher recording density, so that magnetic paint having excellent d... | 01/09/2007 |
| 7087185 | Magnetic powder and isotropic bonded magnet Disclosed herein is a magnetic powder which can provide a magnet having a high magnetic flux density and excellent magnetizability and reliability especially excellent heat resisting property (heat stability). The magnetic powder is composed of an alloy composition ... | 08/08/2006 |
| 7087212 | Multicomponent assemblies having enhanced binding properties for diagnosis and therapy An organized mobile multicomponent conjugate (OMMC) and method of using to enhance binding of weakly binding compounds to a target. A lamellar structure containing at least two binding compounds is assembled under conditions in which the binding compounds self-regul... | 08/08/2006 |
| 7083760 | Method of forming a powder compact This invention provides a method of forming a powder compact which can produce a high density compact under a high pressure and at the same time can reduce pressure for ejecting the compact from a die. This method comprises the application step of applying a ... | 08/01/2006 |
| 7018849 | Process for (A) separating biological/ligands from dilute solutions and (B) conducting an immunochromatographic assay thereof employing superparamagnetic particles throughtout 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... | 03/28/2006 |
| 7001402 | Medical device having magnetic properties A high-energy density magnetic particulate is mixed with a biocompatible material to form a composite. The composite may be formed into a sheet, which may be rolled into a tube and laser-cut to form at least one medical device, such as one piece of a multi-piece ana... | 02/21/2006 |
| 6992203 | Metal complexes produced by Maillard Reaction products A method is disclosed for the formation of metal chelates which are able to remain stable in high alkaline environments when compared to metal chelates produced from a reaction with amino acids. The method involves the reaction of sugars, amino groups, and metal com... | 01/31/2006 |
| 6977114 | Communication substrates having variably applied ferromagnetic material, ferromagnetic composition and a system and method of applying the material to a substrate The present invention relates generally to substrates intended for business and other communications such as marketing, advertising and personal communications as well as, intermediates, materials, documents or the like related thereto and more particularly to busin... | 12/20/2005 |
| 6977025 | Method of forming a monolayer of particles having at least two different sizes, and products formed thereby The invention provides a method of forming a monolayer of substantive particles including the steps of applying to a substrate a curable composition having substantive particles contained therein, the substantive particles having a particle size on at least one dime... | 12/20/2005 |
| 6972095 | Magnetic molecules: a process utilizing functionalized magnetic ferritins for the selective removal of contaminants from solution by magnetic filtration A decontamination system uses magnetic molecules having ferritin cores to selectively remove target contaminant ions from a solution. The magnetic molecules are based upon a ferritin protein structure and have a very small magnetic ferritin core and a selective ion ... | 12/06/2005 |
| 6893489 | Physical colored inks and coatings A coating, such as ink or paint, is used, where particles in the coating are selected based on electric, magnetic, or light/photo properties, and are dispersed in the coating to provide a desired physical color. In one approach, the application of the coating to the... | 05/17/2005 |
| 6878306 | Magnetic writing screen dispersion medium A magnetic dispersion medium is used in a magnetic writing screen toy. The dispersion medium is attracted to the underside of the screen when a magnetic tipped pen is passed over the upper surface of the screen. A user can create drawings and figures. The dispersion... | 04/12/2005 |
| 6790378 | Coating composition having magnetic properties The present invention includes coating composition having magnetic properties for application to a substrate. The coating composition includes a plurality of strontium and or barium hexaferrite particles having a random magnetic pole alignment. The coating compositi... | 09/14/2004 |
| 6679999 | MR fluids containing magnetic stainless steel A magnetorheological fluid formulation exhibiting consistently high yield stress during use. The MR fluid comprises martensitic or ferritic stainless steel particles prepared by a controlled water or inert gas atomization process. The stainless steel part... | 01/20/2004 |
| 6641919 | Resin-bonded magnet A resin-bonded type magnet molded from a composition comprising a magnetic powder and a resin powder in which a resin binder comprises at least one unsaturated polyester resin cured product as the main ingredient. The resin binder contains a peroxide or a... | 11/04/2003 |
| 6527972 | Magnetorheological polymer gels Magnetorheological materials are provided comprising magnetic particles, a polymeric gel and a carrier material. The polymerization of the gel is preferentially accomplished in the presence of the magnetic particles and the carrier material. Magnetorheolo... | 03/04/2003 |
| 6528166 | Nickel composite particle and production process therefor Nickel composite particles having a layer of a nickel-containing spinel on at least a part of the surface of nickel particles, or nickel composite particles having an oxide layer of metals other than nickel on at least a part of the surface of nickel part... | 03/04/2003 |
| 6503761 | Selective removal of contaminants from a surface using articles having magnets A system and method for removing contaminants from a surface. The system is designed to use particles having means thereon which are capable of selectively binding to a contaminant or contaminants of interest. The particles are applied to the surface wher... | 01/07/2003 |
| 6475404 | Instant magnetorheological fluid mix Magnetorheological fluid concentrates are provided which contain a substantially dry mixture of magnetic-responsive powder and a thixotropic agent. The concentrates may be mixed with an aqueous or an organic carrier fluid to form magnetorheological fluids... | 11/05/2002 |
| 6361738 | Method of producing R-Fe-B permanent magnet, and lubricant agent and release agent for use in shaping the same The method of producing an R--Fe--B magnet of the present invention is characterized in that R--Fe--B alloy fine powder is molded in a magnetic field and sintered using a lubricant for molding magnets containing specific components, individually or as a m... | 03/26/2002 |
| 6338900 | Soft magnetic composite material A soft magnetic composite material obtained by dispersing a powdered magnetic material (A) composed of soft ferrite in a polymer (B), wherein the powdered magnetic material (A) is a powdered magnetic material of a random form obtained by grinding a sinter... | 01/15/2002 |
| 6290868 | Field-structured material media and methods for synthesis thereof The present application is directed to a new class of composite materials, called field-structured composite (FSC) materials, which comprise a oriented aggregate structure made of magnetic particles suspended in a nonmagnetic medium, and to a new class of... | 09/18/2001 |
| 6193903 | Method of forming high-temperature magnetic articles and articles formed thereby Ceramic-coated powdered ferromagnetic materials for forming magnetic articles, and which maintain the mechanical and magnetic properties of the articles at high temperatures, such as during annealing to relieve stresses induced during the forming operatio... | 02/27/2001 |
| 6190573 | Extrusion-molded magnetic body comprising samarium-iron-nitrogen system magnetic particles This invention is directed to an extrusion-molded magnet comprising a samarium-iron-nitrogen material, which is novel and capable of exhibiting excellent magnetic properties, i.e., samarium-iron-nitrogen system magnetic particles excellent in magnetic pro... | 02/20/2001 |
| 6183657 | Core material for noise filter In a core material for the noise filter, powders of a flat and soft magnetic material is dispersed and buried into an insulating material such as rubber or plastic.... | 02/06/2001 |
| 6180022 | Mn-Zn ferrite A Mn--Zn ferrite having large electrical resistance, which can withstand the use in high frequency region exceeding 1 MHz, is provided. The Mn--Zn ferrite comprises the following basic components: 44.0 to 50.0 mol % Fe2 O3, 4.0 to 26... | 01/30/2001 |
| 6174453 | High-density ferrite member and ferrite beads composition therefor Disclosed is a method for the preparation of a ferrite beads composition suitable for compression-molding into a compression-molded ferrite body to be subjected to a sintering heat treatment to give a sintered ferrite member having usefulness as an electr... | 01/16/2001 |
| 6165378 | Polysaccharide derivative/magnetic metal oxide composite The present invention provides a polysaccharide-magnetic metal oxide complex consisting of a polysaccharide derivative obtained by carboxyalkyl-etherifying and unsubstituted or substituted aminoalkyl-etherifying a polysaccharide (the above carboxy group a... | 12/26/2000 |
| 6159396 | Electrorheological magnetic fluid and process for producing the same An electrorheological magnetic fluid including an electrically insulating liquid and fine particles dispersed therein is described, wherein the fine particles include a fine magnetic particle as a core, wherein the fine magnetic particle has a surface whi... | 12/12/2000 |
