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Class Information
Number: 252/62.51R
Name: Compositions > Magnetic

Sub-classes under this class:

Class Number Class Name Patents
252/62.51C Chromium or chromium compound containing 47
252/62.52 Flaw detection or magnetic clutch 204
252/62.55 Free metal or alloy containing 398
252/62.56 Iron-oxygen compound containing 586
252/62.53 With wax, bitumen, resin, or gum 168

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8685549 Nanocomposites for ultra high density information storage, devices including the same, and methods of making the same Apr. 1, 2014
8641918 Composite material Feb. 4, 2014
8609261 Titanium oxide particles, manufacturing method thereof, magnetic memory, and charge storage type memory Dec. 17, 2013
8608857 Rheological fluids for particle removal Dec. 17, 2013
8551333 Particle-based microfluidic device for providing high magnetic field gradients Oct. 8, 2013
8540883 Polymer composite, water-treatment method using the same and manufacturing method of the same Sep. 24, 2013
8535816 Fine structural body, method for manufacturing fine structural body, magnetic memory, charge storage memory and optical information recording medium Sep. 17, 2013
8524108 Magnetic particle and method of preparing the same, and magnetic recording medium Sep. 3, 2013
8524107 Magnetocaloric structure Sep. 3, 2013
8481178 Iron powder coated with Mg-containing oxide film Jul. 9, 2013
8481146 Inkjettable polymerizable liquid crystalline mixture Jul. 9, 2013
8465855 Protective coating of magnetic nanoparticles Jun. 18, 2013
8435496 Nanoparticle clusters and methods for forming same May. 7, 2013
8416051 Magnetic material and coil component using the same Apr. 9, 2013
8404139 Conducting fluid containing micrometric magnetic particles Mar. 26, 2013
8404140 Conducting fluid containing millimetric magnetic particles Mar. 26, 2013
8377313 Magnetic hydrophobic agglomerates Feb. 19, 2013
8377311 Selective materials separation using modified magnetic particles Feb. 19, 2013
8357309 Class of ferromagnetic semiconductors Jan. 22, 2013
8317930 Rheological fluids for particle removal Nov. 27, 2012
8317002 System of smart colloidal dampers with controllable damping curves using magnetic field and method of using the same Nov. 27, 2012
8303836 Process of preparing magnetic graphitic materials, and materials thereof Nov. 6, 2012
8282852 Magnetorheological fluid and method of making the same Oct. 9, 2012
8231979 Multiferroic layer, structure including the layer, and methods of forming the layer and the structure Jul. 31, 2012
8226844 Biocompatible magnetic nanocrystal, powder of a biocompatible magnetic nanocrystal bearing a surface reactive group and preparations thereof Jul. 24, 2012
8221622 Polymer composite, water-treatment method using the same and manufacturing method of the same Jul. 17, 2012
8211326 Magnetic material with cooling capacity, a method for the manufacturing thereof and use of such material Jul. 3, 2012
8192630 Magnetic in-line purification of fluid Jun. 5, 2012
8133404 Electromagnetic wave shielding material and sheet Mar. 13, 2012
8119021 Functional nanoparticle filled carbon nanotubes and methods of their production Feb. 21, 2012
8105493 Aggregation and dispersion methods of magnetic particles, separation and detection methods using the same and detection kit Jan. 31, 2012
8097180 Magnetic material Jan. 17, 2012
8075794 Magnetic graphite nanoplatelets Dec. 13, 2011
8075793 Process for preparing magnetic graphitic materials, and materials thereof Dec. 13, 2011
8070974 Soft-magnetic material and process for producing articles composed of this soft-magnetic material Dec. 6, 2011
8072365 Magnetic crystal for electromagnetic wave absorbing material and electromagnetic wave absorber Dec. 6, 2011
8033314 Method for producing sintered magnet Oct. 11, 2011
8012792 Composite phosphor powder, light emitting device using the same and method for manufacturing composite phoshpor powder Sep. 6, 2011
7998361 Soft magnetic material and powder magnetic core Aug. 16, 2011
7993541 Quantum confined atom (QCA) based nanomagnets Aug. 9, 2011
7993542 Magnetic material for magnetic refrigeration Aug. 9, 2011
7981221 Rheological fluids for particle removal Jul. 19, 2011
7976966 Magnetic tape formed of carbon nanotube arrays containing magnetic nanoparticles Jul. 12, 2011
7959821 Electromagnetism suppressing material, electromagnetism suppressing device, and electronic appliance Jun. 14, 2011
7938969 Magnetic purification of a sample May. 10, 2011
7906036 Ferrite sintered magnet Mar. 15, 2011
7837807 Magnetic core for current transformer, current transformer, and watt-hour meter Nov. 23, 2010
7834139 Magnetic nanotubes Nov. 16, 2010
7821371 Flat magnetic element and power IC package using the same Oct. 26, 2010
7722843 System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems May. 25, 2010

1 2 3 4 5 6 7

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