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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...
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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...
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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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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...
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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.
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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...
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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,...
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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...
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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...
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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...
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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...
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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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7217372 |
Magnetorheological composition
The invention provides a magnetorheological device employing narrow design gap and containing a magnetic-responsive composition exhibiting reduced off-state forces and good performance....
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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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7208134 |
Bioprocesses enhanced by magnetic nanoparticles
One aspect of the present invention relates to magnetic nanoparticles colloidally stabilized in aqueous milieu by association with an organic phase. The organic phase may be either a fluorinated...
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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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7189338 |
Image forming apparatus and developing device therefor
In a developing device for an image forming apparatus of the present invention, use is made of a magnetic molding produced by compression-molding a magnet compound material in a magnetic field. The...
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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...
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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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7138070 |
Magnetic material manufacturing method, ribbon-shaped magnetic materials, powdered magnetic material and bonded magnets
A magnetic material manufacturing method, a ribbon-shaped magnetic material manufactured by the method, a powdered magnetic material formed from the ribbon-shaped magnetic material and a bonded...
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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...
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7070707 |
Magnetorheological composition
The invention provides a magnetorheological composition having reduced off-state forces and good performance. Specifically, this invention is directed to a magnetorheological composition that may...
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7048809 |
Magnetic implement having a linear BH loop
Magnetic powder having a large coercivity, H c , is consolidated with a non-magnetic binder to form a magnetic implement having desired dimension and shape. The magnetic implement exhibits a linear...
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7022252 |
Permanent magnetic alloy and bonded magnet
The permanent magnetic alloy of the present invention comprises an R—Fe—B alloy wherein R is at least one element selected from rare earth elements including Y. The R—Fe—B alloy has a...
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7018557 |
Magnetic aerosol paint composition
A pressurized paint product that includes an magnetic aerosol paint composition disposed in a container. The magnetic aerosol paint composition includes volatile organic solvents, an alkyd resin,...
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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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6991741 |
Controlled room temperature synthesis of magnetic metal oxide nanoclusters within a diblock copolymer matrix
A method of room temperature synthesis of magnetic metal oxide nanoclusters within a diblock copolymer matrix includes the step of synthesizing, by ring opening metathesis polymerization technique,...
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6979409 |
Highly quenchable Fe-based rare earth materials for ferrite replacement
The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability....
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6972097 |
Composite magnetic material and electromagnetic interference suppressor member using the same
A composite magnetic material is provided for use as an electromagnetic interference suppressing body for effectively suppressing an electromagnetic interference within a high frequency apparatus...
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6955729 |
Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet
An alloy for bonded magnets of the present invention includes at least a main component of iron (Fe), 12-16 atomic % (at %) of rare-earth elements (R) including yttrium (Y), and 10.8-15 at % of...
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6951625 |
Magnetic powder and isotropic bonded magnet
Disclosed herein is a magnetic powder which can provide magnet having excellent magnetic properties and having excellent reliability especially excellent heat stability. The magnetic powder is...
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6942930 |
Cooling roll, ribbon-shaped magnetic materials, magnetic powders and bonded magnets
Disclosed herein is a cooling roll which can provide bonded a magnet having excellent magnetic properties and having excellent reliability. A melt spinning apparatus 1 is provided with a tube 2 ...
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6939477 |
Temperature-controlled induction heating of polymeric materials
The present invention provides new polymer induction bonding technology. Induction heating technologies are utilized to weld, forge, bond or set polymer materials. The invention provides...
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6926963 |
Highly weather-resistant magnet powder and magnet produced by using the same
The objects of the present invention are to provide a highly weather-resistant iron-based magnet powder containing a rare-earth element, characterized by high coercive force in a practically...
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6926961 |
Nonwoven blend with electret fiber
The present invention relates to a blend of 15-97 weight percent electret fibers and 3-85 percent by weight dissimilar non-electret fibers using dry laid blending technique. The electret fibers...
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6897248 |
UV curable ferromagnetic compositions
The present invention discloses an ultraviolet light curable ferromagnetic composition and method for making such a composition that may be used to produce a ferromagnetic coating on a suitable...
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6893580 |
Composition for synthetic resin magnet and formed resin magnet
A composition for synthetic resin magnets (such as magnet rollers for electrophotography process) which is composed of a resin binder and a magnetic powder mixed and dispersed therein. The resin...
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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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6887412 |
Composite magnetic sheet and method of producing the same
In a method of producing a composite magnetic body, flat soft magnetic powder subjected to annealing to be free from stress strain is prepared and mixed with a binder and a solvent for dissolving...
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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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6872326 |
Method of manufacturing magnetic powder, magnetic powder and bonded magnets
A method of manufacturing magnetic powder is disclosed. This method can provide magnetic powder from which a bonded magnet having excellent magnetic properties and reliability can be manufactured....
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6872325 |
Polymeric resin bonded magnets
Briefly, in accordance with one embodiment of the present invention, a process for making a magnetic composite which comprises providing a polymeric resin and a magnetic powder, the magnetic powder...
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6863839 |
Composition for resin-bonded magnet, and resin-bonded magnet using the same
A composition for resin-bonded magnets. The resin-bonded magnets using the composition of the resin have excellent service lives in industry, excellent magnetic characteristics and excellent...
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6852245 |
Process for producing granules for being molded into ferrite, granules for being molded into ferrite, green body and sintered body
A composition for producing granules for molding ferrite, which comprises a ferrite slurry at least having raw ferrite powders; an ethylene-modified polyvinyl alcohol whose ethylene modified amount...
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6849195 |
Composites with large magnetostriction
A magnetostrictive composite having large magnetostriction by virtue of 2-50 vol. % magnetostrictive particles dispersed throughout a resin matrix formed from a thermosetting resin, an amine curing...
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6815063 |
Magnetic fluid
There is disclosed a magnetic fluid medium which comprises a plurality of ferro- or ferri-magnetic particles, each of which particles has a largest dimension no greater than 100 nm, said particles...
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6811717 |
Magnetorheological compositions for use in magnetorheological fluids and method of preparing same
The subject invention provides a magnetorheological (MR) composition having improved resistance to oxidation and increased dispersability in a carrier fluid. The composition includes a plurality of...
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6793841 |
Magneto-resistive CrO2 polymer composite blend
A magneto-resistive CrO 2 polymer composite blend comprising 90-95% by weight of the polymer preferably Low Density Poly Ethylene, 5-10% by weight of magnetic filler preferably CrO 2 and 2-4% by...
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6793742 |
Preparation of bonded rare earth magnet-forming alloy and bonded rare earth magnet composition
An alloy powder for bonded rare earth magnets is prepared by melting an alloy consisting essentially of 20-30 wt % of Sm or a mixture of rare earth elements (inclusive of Y) containing at least 50...
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