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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...
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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...
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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...
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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...
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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,...
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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 (Fe 1-m T m ) 100-x-y-z Q x R y Ti z , where T is Co and/or Ni, Q is B and/or C and R is rare earth element(s)...
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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...
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6992155 |
Method for producing magnetic particle, magnetic particle and magnetic material
A method for producing a magnetic particle forming a magnetic material for absorbing electromagnetic waves comprises the steps of mixing an organometallic complex or a metal salt with a chain...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.,...
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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.
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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...
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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...
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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...
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6149704 |
Ferromagnetic powder for dust cores, dust core, and dust core fabrication process
A dust core ferromagnetic powder comprises a ferromagnetic metal powder, an insulating material, and a lubricant. The insulating material comprises a phenol resin and/or a silicone resin, and the...
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6102980 |
Dust core, ferromagnetic powder composition therefor, and method of making
A ferromagnetic powder composition for dust cores contains a ferromagnetic metal powder and 0.1-15% by volume based on the powder of titania sol and/or zirconia sol. The composition is pressure...
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6063303 |
Magnetic powder and magnetic molded article
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6012308 |
Apparatus for magnetically laundering garments
An apparatus for magnetically laundering garments with permanent ceramic magnets compiled in unique configuration with a flux density of at least 3,900 gauss at a pole face thereof, thick plastisol...
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6007734 |
Dispersion composition for magnetic display
A dispersion composition suitable for a magnetic display which comprises 10 to 30 wt % of magnetic particles having a particle diameter of 10 to 150 μm, 0.01 to 0.5 wt % of an antistatic agent, 1...
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5902513 |
Magnetic fluid composition
A magnetic fluid composition comprising fine magnetic particles in a solvent, wherein said solvent comprises a mixture of a base oil solvent and an ester.
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5871625 |
Magnetic composites for improved electrolysis
Magnetic composites exhibit distinct flux properties due to gradient interfaces. The composites can be used to improve fuel cells and batteries and effect transport and separation of different...
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5864025 |
Method of making magnetic, crosslinked chitosan support materials and products thereof
Method for magnetizing crosslinked chitosan support material involving the treatment of carboxyl group-containing, crosslinked chitosan gels with solutions of ferrous chloride followed by treatment...
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5855790 |
Magnetic particles, a method for the preparation thereof and their use in the purification of solutions
Magnetic particles which comprise a core of a magnetic material surrounded by a mixture of a fibrous material and a solid binding agent. The particles may be embedded in a polymer resin which...
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5851644 |
Films and coatings having anisotropic conductive pathways therein
An anisotropically-conductive film or a substrate having a surface coated with an anisotropically-conductive coating, said film or coating being formed by solidifying a composition comprising ...
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5851416 |
Stable polysiloxane ferrofluid compositions and method of making same
A ferrofluid composition comprising a colloidal dispersion of finely divided magnetic particles in a silicone oil carrier in which the surfaces of the magnetic particles are modified with (a) a...
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5827444 |
Stabilized magnetic fluid and method for stabilizing magnetic fluid
The present invention provides a magnetic fluid which comprises a magnetic fluid comprising magnetic fine particles coated with a fatty acid in an oily medium, and at least one selected from the...
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5800728 |
Permanent magnetic material made of iron-rare earth metal alloy
An iron-rare earth metal permanent magnetic composition, comprising predominant phase having a body-centered tetragonal structure, and consisting essentially of an iron-based alloy having a...
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5767426 |
Ferromagnetic powder compositions formulated with thermoplastic materials and fluoric resins and compacted articles made from the same
This invention presents, inter alia, novel iron-based powder compositions and compacted articles made from the same. The novel iron-based powder compositions of the invention are formulated with a...
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5670077 |
Aqueous magnetorheological materials
A magnetorheological material that includes magnetic particles; at least one water-soluble suspending agent selected from the group consisting of cellulose ether and biosynthetic gum; and water....
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5645752 |
Thixotropic magnetorheological materials
A magnetorheological material containing a carrier fluid, a particle component and a thixotropic additive to provide stability against particle settling. The thixotropic additive can be a...
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5609788 |
Magnetic paint additive
Magnetic paint additives are formulated from ferromagnetic particles having a mixed particle range of from about 0.01μ to about 74μ, preferably from about 0.01μ to about 37 to 44μ. Iron powder...
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5492754 |
Absorbent composition including a magnetically-responsive material
Disclosed is an absorbent composition including a hydrogel-forming polymeric material and a magnetically-responsive material; disposable absorbent products, including the absorbent composition,...
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5393445 |
Rare-earth bonded magnet, material and method for manufacturing the same
A material for a rare-earth bonded magnet is prepared by coating a rare-earth magnetic powder with a heat resisting addition polymerizable thermosetting resin consisting essentially of a monomer or...
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5298179 |
Water absorbent, comprising magnetic material and water absorbent resin
There is provided a water absorbent comprising a magnetic material and a highly water-absorbable resin. Said water absorbent is contacted with a moisture-containing powder and the water absorbent...
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5248772 |
Formation of colloidal metal dispersions using aminodextrans as reductants and protective agents
The invention related generally to the preparation of colloidal metal(O) particles having a crosslinked aminodextran coating with pendent amine groups attached thereto. The aminodextran acts as...
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5240640 |
In situ use of gelatin or an aminodextran in the preparation of uniform ferrite particles
A method is described for the preparation of uniform colloidal particles of ferrites, containing manganese(II), at a relatively low temperature in the presence of an aminodextran solution which...
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5234614 |
Method for producing magnetic coating composition and magnetic recording medium
A magnetic coating composition prepared by a method comprising a wetting step for wetting powder materials including a magnetic powder with a small amount of a solvent in a kneading machine having...
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