| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 423594100 | Iron (Fe) containing | 26 |
| 20090104107 | Methods of making and washing scorodite - A method of making scorodite includes the following steps: (1) an acidic aqueous solution containing pentavalent As and trivalent Fe is heated at a temperature for a time, the temperature and the time being effective for synthesis of crystalline scorodite; (2) the synthesized scorodite is separated from the post-reaction solution by solid-liquid separation; and (3) the scorodite is washed with water and is separated from the washing solution by solid-liquid separation. Step (3) is repeated until the concentration of at least one component of the post-reaction solution contained in the washing solution used for washing the scorodite decreases to a predetermined level. | 04-23-2009 |
| 20090196818 | MULTIFERROIC ELEMENT - A multiferroic element having a simple structure in which orientation of electric polarization or magnetization of a solid state material can be controlled by applying a magnetic field or an electric field, respectively. By applying an external magnetic field to a multiferroic solid state material that exhibits ferroelectricity and ferromagnetism having a spin structure such that the orientation of spin is rotating along the outside surface of a cone (apex angle α at the top of the cone is in a range of 0<α≦90 degrees), an electric polarization with orientation substantially perpendicular to the direction of the externally applied magnetic field can be controlled. Meanwhile, by applying an external electric field to the multiferroic solid state material, a magnetization with an orientation substantially perpendicular to the direction of the externally applied electric field can be controlled. | 08-06-2009 |
| 20100040531 | NON-LEAD RESISTOR COMPOSITION - A non-lead composition for use as a thick-film resistor paste in electronic applications. The composition comprises particles of Li | 02-18-2010 |
| 20100266484 | METHOD OF PROCESSING DIARSENIC TRIOXIDE - To provide a method of generating, with good reproducibility and ease and without complicated operations, scorodite which satisfies the elution standard (in accordance with Notification of No. 13 of Japanese Environment Agency) and which has good filterbility and stability for processing arsenic contained in a diarsenic trioxide form. A method of processing diarsenic trioxide, including: a leaching step of adding water to diarsenic trioxide to produce slurry, heating the slurry, and leaching arsenic while adding an oxidant to obtain leachate; a deoxidization step of removing the oxidant so as to obtain an adjusted solution; and a crystallizing step of converting arsenic in the adjusted solution to scorodite crystal. | 10-21-2010 |
| 20100266485 | PROCESS FOR PRODUCING NANOPARTICLES - A process comprises (a) combining (1) at least one base and (2) at least one metal carboxylate salt comprising (i) a metal cation selected from metal cations that form amphoteric metal oxides or oxyhydroxides and (ii) a lactate or thiolactate anion, or metal carboxylate salt precursors comprising (i) at least one metal salt comprising the metal cation and a non-interfering anion and (ii) lactic or thiolactic acid, a lactate or thiolactate salt of a non-interfering, non-metal cation, or a mixture thereof; and (b) allowing the base and the metal carboxylate salt or metal carboxylate salt precursors to react. | 10-21-2010 |
| 20110027167 | IRON ARSENATE POWDER - There is provided an iron arsenate powder which is produced from an arsenic containing solution and wherein the concentration of arsenic eluted or released from the powder is very low. The iron arsenate powder is a powder of dihydrate of iron arsenate, which has a crystal structure of rhombic system and which has lattice constants of a=0.8950 to 0.8956 nm, b=1.0321 to 1.0326 nm and c=1.0042 to 1.0050 nm at room temperatures and atmospheric pressure. The iron arsenate powder can be produced by a method comprising the steps of: adding ferrous ions to an arsenic containing solution to cause the molar ratio (Fe/As) of iron to arsenic in the solution to be not lower than 1; adding an oxidizing agent to the solution; heating the solution to a temperature of not lower than 70° C. while stirring the solution, to allow a reaction; and carrying out a solid-liquid separation to wash the obtained solid part. | 02-03-2011 |
| 20110091371 | SOLUBLE HOMO- AND HETEROMETALLIC COORDINATION POLYMERS BASED ON THE OXALATE LIGAND AND METHOD FOR OBTAINING SPINELS FROM THEM - Soluble homo and heterometallic coordination polymers based on the oxalate ligand and method for obtaining spinels from them. Homo or heterometallic coordination polymers comprising at least one oxalate ligand are characterised by comprising also at least one organic molecule that can stabilise extended structures of metal complexes by the formation of supramolecular interactions so that this polymer is substantially water-soluble and insoluble in organic solvents. These polymers, when in solid state, can generate spinel-type metal oxides or other mixed oxides after thermal oxidation treatment comprising the steps of preparing an alcohol solution of a metal complex comprising at least one oxalate ligand and a metal salt, precipitate this metal complex and this metal salt with a cryptand-type molecule by formation of a coordination polymer which is water-soluble and insoluble in organic solvents, separate the precipitate obtained in the previous step and heat it under oxidising atmosphere at a temperature of at least 350° C. until the spinel or the mixed oxide are formed. | 04-21-2011 |
| 20120263642 | METHOD FOR IMPROVING COERCIVE FORCE OF EPSILON-TYPE IRON OXIDE, AND EPSILON-TYPE IRON OXIDE - To provide a method for improving a coercive force of epsilon-type iron oxide particles, and an epsilon-type iron oxide. Specifically, to provide a method for improving the coercive force of an epsilon-type iron oxide comprising: substituting Fe-site of the epsilon-type iron oxide with other element, while not substituting Fe of D-site in the epsilon-type iron oxide with other element, and the epsilon type iron oxide. | 10-18-2012 |
| 20130071316 | Bi-SUBSTITUTED RARE EARTH IRON GARNET SINGLE CRYSTAL, METHOD OF MANUFACTURING THE SAME, AND OPTICAL DEVICE - Provided is a Bi-substituted rare earth iron garnet single crystal which has a composition of R | 03-21-2013 |
| 20130149233 | CATION DEFICIENT MATERIALS FOR ELECTRICAL ENERGY STORAGE - A composition comprising: a metal oxide of a first metal ions and second metal ions; an electrically conductive material; and a binder material. The second metal ions have a higher oxidation state than the first metal ions. The presence of the second metal ion increases the number of metal cation vacancies. A method of: dissolving salts of a first metal ion and a second metal ion in water to form a solution; heating the solution to a temperature of about 80-90° C.; and adding a base to the solution to precipitate nanoparticles of a metal oxide of the first metal ion and the second metal ion. | 06-13-2013 |
| 20130209351 | Complex Oxide Catalyst of Bi/Mo/Fe for the Oxidative Dehydrogenation of 1-Butene to 1,3-Butadiene and Process Thereof - The present invention relates to a complex oxide catalyst of Bi/Mo/Fe and an oxidative dehydrogenation of 1-butene in the presence of a catalyst herein. A catalyst of the present invention is superior to the conventional Bi/Mo catalyst in thermal and mechanical stabilities, conversion and selectivity toward 1,3-butadiene, while showing a long-term catalytic activity. | 08-15-2013 |
| 20140178290 | BISMUTH IRON OXIDE POWDER, MANUFACTURING METHOD FOR THE BISMUTH IRON OXIDE POWDER, DIELECTRIC CERAMICS, PIEZOELECTRIC ELEMENT, LIQUID DISCHARGE HEAD, AND ULTRASONIC MOTOR - Provided is a lead-free dielectric ceramics having a low leakage current value, and a bismuth iron oxide powder as a raw material thereof. The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bismuth iron oxide having a crystal structure classified to a space group Pbam; and (C) grains including a bismuth iron oxide or a bismuth oxide having a crystal structure that is classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains of the bismuth iron oxide crystals having the perovskite-type crystal structure. | 06-26-2014 |
| 20140301940 | CATION DEFICIENT MATERIALS FOR ELECTRICAL ENERGY STORAGE - A method of: dissolving salts of a first metal ion and a second metal ion in water to form a solution; heating the solution to a temperature of about 80-90° C.; and adding a base to the solution to precipitate nanoparticles of an oxide of the first metal ion and the second metal ion. | 10-09-2014 |
| 20150010462 | CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR MANUFACTURING THE SAME, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER AND ELECTROPHOTOGRAPHIC DEVELOPER - A carrier core particle for an electrophotographic developer includes a composition expressed by a general formula: Mn | 01-08-2015 |
| 20160104887 | Anode Active Material for Lithium-Ion Batteries - In at least one embodiment, a rechargeable battery is provided comprising an anode having an active material including MSb | 04-14-2016 |
| 423594200 | And alkali metal or alkaline earth metal containing | 11 |
| 20080260620 | Powder Material that Generates Heat in an Alternating Current Magnetic Field and the Manufacturing Method Thereof - This invention provides a powder material, which is capable of obtaining a heating value flat is greater than that of MgFe | 10-23-2008 |
| 20080260621 | Preparation of Complex Metal Oxides - The present invention provides a process for making a complex metal oxide comprising the formula A | 10-23-2008 |
| 20080292538 | Process for Producing Ferrite Sintered Body - There is provided a process for producing W-type ferrite having high magnetic properties by reducing compacting defects during wet compacting. Specifically, there is a provided a process for producing a ferrite sintered body having a main composition of the following formula (1): AFe | 11-27-2008 |
| 20090142255 | LITHIUM-MANGANESE OXIDES, METHOD FOR PREPARING THE SAME, AND LITHIUM ADSORBENT USING THE SAME - There is provided Lithium-manganese oxides expressed as the following chemical formula 1, | 06-04-2009 |
| 20090297432 | ENHANCED HEXAGONAL FERRITE MATERIAL AND METHODS OF PREPARATION AND USE THEREOF - Embodiments and aspects of the present invention relate to an enhanced hexagonal ferrite magnetic material doped with an alkali metal. The material retains substantial magnetic permeability up to frequencies in the GHz range with low losses. The material may be used in high frequency applications in devices such as transformers, inductors, circulators, and absorbers. | 12-03-2009 |
| 20120301390 | METHOD FOR MANUFACTURING A LITHIUM COMPLEX METAL OXIDE - A method for producing a lithium mixed metal oxide, which includes mixing a lithium compound, metallic Ni or a compound thereof, and one or more transition metals selected from the group consisting of Mn, Co, Ti, Cr and Fe or a compound thereof; and calcining the obtained raw material mixture under an atmosphere of the concentration of carbon dioxide of from 1% by volume to 15% by volume at 630° C. or higher. | 11-29-2012 |
| 20130115160 | SPECIALTY MATERIALS PROCESSING TECHNIQUES FOR ENHANCED RESONANT FREQUENCY HEXAFERRITE MATERIALS FOR ANTENNA APPLICATIONS AND OTHER ELECTRONIC DEVICES - Processing techniques for forming a textured hexagonal ferrite materials such as Z-phase barium cobalt ferrite Ba | 05-09-2013 |
| 20140170060 | ENVIRONMENTALLY RESPONSIBLE APPROACHES TO SYNTHESIS OF MULTI-FUNCTIONAL FERRATE - People are increasingly interested in use of potassium ferrate [K | 06-19-2014 |
| 20140314658 | METHOD OF MANUFACTURING MAGNETIC PARTICLES - The method of manufacturing magnetic particles, wherein the magnetic particles are magnetic particles for magnetic recording, and includes subjecting starting material magnetic particles to glass component-adhering treatment to be adhered with a glass component, and subjecting the magnetic particles after the glass component-adhering treatment to coercive force-reducing treatment with heating, to provide magnetic particles having lower coercive force than the starting material magnetic particles. | 10-23-2014 |
| 20160167978 | A PERMANENT MAGNETIC MATERIAL | 06-16-2016 |
| 20190144297 | Method for Efficiently Preparing Ferrate Based on Nascent Interfacial Activity | 05-16-2019 |
