| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 252620590 | With titanium, zirconium, silicon, hafnium, germanium, or tin | 15 |
| 20090242827 | FERRITE SINTERED BODY AND MANUFACTURING METHOD THEREFOR - The ferrite sintered body of the present invention contains main components consisting of 52 to 54 mol % Fe | 10-01-2009 |
| 20100140535 | METHOD OF MANUFACTURING MAGNETIC MATERIAL - A method of manufacturing magnetic material is described hereinafter. Firstly, Fe(NO | 06-10-2010 |
| 20100288964 | Multiferroic Nanoscale Thin Film Materials, Method of its Facile Syntheses and Magnetoelectric Coupling at Room Temperature - Methods of producing a multiferroic thin film material. The method includes the steps of providing a multiferroic precursor solution, subjecting the precursor solution to spin casting to produce a spin cast film, and heating the spin cast film. The precursor solution may include Bi(NO | 11-18-2010 |
| 20110006247 | HYDROPHOBIZED SILICON-IRON MIXED OXIDE - Hydrophobized silicon-iron mixed oxide powder, characterized in that it has the following physicochemical characteristics: BET surface area 20 to 75 mVg; Carbon content 0.5 to 10% by weight; Tamped density 150 to 600 g/l; Chlorine content 0.1 to 3.0%; Drying loss 0.1 to 4% by weight; DVS isotherm (60%) 0.5 to 1.5% by weight; Heating rate (Is, 10%) 50 to 550° C./s; 90% range (number) 5 to 50 nm; 90% range (weight) 5 to 150 nm; Overall range 2 to 200 nm, is prepared by treating a silicon-iron mixed oxide powder with the surface modifier either in spray form or in vapour form, and then heat treating it. The surface-modified oxidic particles can be used as a filler in adhesives. Further fields of use are use for data carriers, as a contrast agent in imaging processes, for biochemical separation and analysis processes, for medical applications, as an abrasive, as a catalyst or as a catalyst support, as a thickener, for thermal insulation, as a dispersing aid, as a flow aid and in ferrofluids. | 01-13-2011 |
| 20120007015 | FERRITE MATERIAL AND ELECTRONIC COMPONENT - A ferrite material and an electronic component which employs sintered ferrite formed from the ferrite material. The ferrite material is obtained by adding, as minor ingredients, 0.06-0.50 parts by weight of bismuth oxide in terms of Bi2O3, 0.11-0.90 parts by weight of titanium oxide in terms of TiO2, and 0.06-0.46 parts by weight of barium oxide in terms of BaO to a ferrite powder comprising iron oxide, copper oxide, zinc oxide, and nickel oxide as major ingredients. The weight ratio among the bismuth oxide, the titanium oxide, and the barium oxide is as follows: when the proportion of the bismuth oxide in terms of Bi2O3 is taken as 1.00, then the proportion of the titanium oxide in terms of TiO2 is 1.08-2.72 and that of the barium oxide in terms of BaO is 0.72-1.20. | 01-12-2012 |
| 20120061609 | ASSEMBLY OF MAGNETICALLY TUNABLE PHOTONIC CRYSTALS IN NONPOLAR SOLVENTS - A method of assembling superparamagnetic colloids into ordered structures with magnetically tunable photonic properties in nonpolar solvents by establishing long-range electrostatic repulsive forces using charge control agents. Reverse micelles resulted from the introduction of charge control agents such as AOT molecules can enhance the charge separation on the surfaces of n-octadecyltrimethoxysilane modified Fe | 03-15-2012 |
| 20120132847 | MAGNETIC MATERIAL COMPOSITION FOR CERAMIC ELECTRONIC COMPONENT, METHOD OF MANUFACTURING THE SAME, AND CERAMIC ELECTRONIC COMPONENT USING THE SAME - A magnetic material composition for ceramic electronic components that is excellent in sintering properties and magnetic properties (in particular, a Q-factor) and a manufacturing method thereof, and a ceramic electronic component using the magnetic material composition are provided. The magnetic material composition includes Ni—Zn—Cu ferrite powder formed of 47.0 to 49.5 parts by mole of a mixture of iron oxide (Fe | 05-31-2012 |
| 20120248368 | MAGNETIC CERAMIC AND PROCESS FOR PRODUCTION THEREOF - This invention relates to a magnetic ceramic material comprising, as main components, (a) at least one magnetic iron oxide selected from the group consisting of Fe | 10-04-2012 |
| 20140124698 | METHOD FOR PREPARING MAGNETITE NANOPARTICLES FROM LOW-GRADE IRON ORE USING SOLVENT EXTRACTION AND MAGNETITE NANOPARTICLES PREPARED BY THE SAME - The present invention relates to a method for preparing magnetite nanoparticles from low-grade iron ore using solvent extraction and magnetite nanoparticles prepared by the same. According to the method for magnetite nanoparticles from low-grade iron ore of the present invention, it is possible to prepare high-purity magnetite nanoparticles having a purity of 99% or higher by solvent extraction using low-grade iron ore as a starting material, and thus it is possible to reduce the processing cost and the amount of energy used, thus supplying a high-efficiency magnetite nanoparticle adsorbent, which can be industrially applied to wastewater treatment or desalination plant, in large quantities at low cost. In particular, it is possible to effectively treat livestock wastewater, heavy metal wastewater, oil discharged into rivers, etc. at low cost, thus significantly contributing to the prevention of environmental pollution. Moreover, the magnetite nanoparticles prepared by the present invention has a purity of 99.5% and thus can be used as raw materials for high-tech products such as nanoparticle catalysts, magnetic fluids, MRI contrast agents, etc. | 05-08-2014 |
| 20140346389 | SUPERPARAMAGNETIC IRON OXIDE AND SILICA NANOPARTICLES OF HIGH MAGNETIC SATURATION AND A MAGNETIC CORE CONTAINING THE NANOPARTICLES - Thermally annealed superparamagnetic core shell nanoparticles of an iron oxide core and a silicon dioxide shell having high magnetic saturation are provided. A magnetic core of high magnetic moment obtained by compression sintering the thermally annealed superparamagnetic core shell nanoparticles is also provided. The magnetic core has little core loss due to hysteresis or eddy current flow. | 11-27-2014 |
| 20150102254 | FERRITE COMPOSITION AND ELECTRONIC COMPONENT - A ferrite composition comprises a main component and a sub component. The main component is comprised of 40.0 to 49.8 mol % iron oxide in terms of Fe | 04-16-2015 |
| 20150325350 | SINTERED FERRITE MAGNET AND MOTOR PROVIDED THEREWITH - Provided is a sintered ferrite magnet 10 that comprises Sr ferrite having a hexagonal crystal structure, wherein the total amount of Na and K is 0.004 to 0.31% by mass in terms of Na | 11-12-2015 |
| 20150357102 | CORE SHELL SUPERPARAMAGNETIC IRON OXIDE NANOPARTICLES WITH FUNCTIONAL METAL SILICATE CORE SHELL INTERFACE AND A MAGNETIC CORE CONTAINING THE NANOPARTICLES - Core shell nanoparticles of an iron oxide core, a silicon dioxide shell and an iron silicate interface between the core and the shell are provided. The magnetic properties of the nanoparticles are tunable by control of the iron silicate interface thickness. A magnetic core of high magnetic moment obtained by compression sintering the thermally annealed superparamagnetic core shell nanoparticles is also provided. The magnetic core has little core loss due to hysteresis or eddy current flow. | 12-10-2015 |
| 20160012951 | MULTIFERROIC NANOSCALE THIN FILM MATERIALS, METHOD OF ITS FACILE SYNTHESES AND MAGNETOELECTRIC COUPLING AT ROOM TEMPERATURE | 01-14-2016 |
| 20160104560 | IRON OXIDE MAGNETIC NANOPARTICLE POWDER AND METHOD OF PRODUCING THE SAME, IRON OXIDE MAGNETIC NANOPARTICLE THIN FILM CONTAINING THE IRON OXIDE MAGNETIC NANOPARTICLE POWDER AND METHOD OF PRODUCING THE SAME - There is provided an iron oxide magnetic nanoparticle powder having a ferromagnetic property even if the particles have an average particle size of 15 nm or less, preferably 10 nm or less, and a method of producing the same, an iron oxide magnetic nanoparticle thin film containing the iron oxide magnetic nanoparticle powder and a method of producing the same, wherein the iron oxide magnetic nanoparticles having an ε-Fe | 04-14-2016 |
