| Patents for C01G 49 - Compounds of iron (8,643) |
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| 09/26/2007 | CN100339311C Method for preparing polymerized ferric sulfate from ferric sulfate solution |
| 09/20/2007 | WO2007105398A1 Rotating machine, bonded magnet, magnet roll, and process for producing ferrite sintered magnet |
| 09/20/2007 | US20070218360 Lithium manganese-based composite oxide and method for preparing the same |
| 09/20/2007 | US20070217954 Apparatus for synthesizing an oxidant |
| 09/20/2007 | US20070215009 Metal Oxide Nanoporous Material, Coating Composition to Obtain the Same, and Methods of Manufacturing Them |
| 09/19/2007 | EP1833764A1 Method for the reduction of the soluble chromate concentration in cement, and preparation comprising cement and water-soluble metal sulfates |
| 09/19/2007 | CN101037289A Method for recovering and reusing industrial acid-washed metal sludge in steel plate production |
| 09/19/2007 | CN101037234A Method for synthesizing polymeric ferric sulphate |
| 09/19/2007 | CN101037233A Method for producing solid polymeric ferric chloride using ferrous chloride crystal as raw material |
| 09/19/2007 | CN101037232A Method for preparing radius-controllable ferric oxide hollow ball |
| 09/19/2007 | CN101037231A Simple method for ozone oxidation preparation of alpha-FeOOH, beta-MnO2 and Co3O4 nano material |
| 09/19/2007 | CN100338799C Lithium-based electrochemically active meterials and preparation thereof |
| 09/19/2007 | CN100337907C Process for synthesizing metal oxides and metal oxide having perovskite or perovskite-like crystal structure |
| 09/18/2007 | US7271334 Photocatalytic film for the cleavage of water into hydrogen and oxygen |
| 09/13/2007 | WO2007102375A1 METHOD FOR PRODUCING MgFe2O4 TO BE USED AS LIVING ORGANISM HEATING MATERIAL AND MgFe2O4 OBTAINED BY SUCH PRODUCTION METHOD |
| 09/13/2007 | US20070213208 Perovskite-Type Composite Oxide, Catalyst Composition And Method For Producing Perovskite-Type Composite Oxide |
| 09/13/2007 | US20070212605 Composite oxide of sodium, iron and a trivalent metal (NaFe1-xMxO2), having a hexagonal crystal structure; solves the problem that the discharge voltage rapidly reduces with progress of discharge in conventional NaFeO2 oxide lithium secondary batteries; cost efficiency |
| 09/13/2007 | US20070209989 Reducing water purification material, method for producing reducing water purification material, method for treating wastewater, and wastewater treatment apparatus |
| 09/12/2007 | CN101033086A Method of treating discharging liquid of metal dissolved acid |
| 09/12/2007 | CN100336732C Microwave synthetic method for water soluble magnetic cobalt-ferrite CoFe2O4 nano crystal |
| 09/11/2007 | CA2460875C Lithium-based electrochemically active materials and preparation thereof |
| 09/06/2007 | US20070207919 Oxygen pump electrode for gas purification; electroconductivity |
| 09/06/2007 | US20070206435 Counter Current Mixing Reactor |
| 09/05/2007 | CN101031513A A method for producing iron oxide nano particles |
| 09/05/2007 | CN101029355A Method for producing nano-magnetic FeO particle by iron extracted and utilized in tin tails |
| 09/05/2007 | CN100335418C Method for preparing ferric chloride by spent pickling solution |
| 08/30/2007 | WO2007095865A1 METHOD FOR OBTAINING Fe3+ IONS IN ORDER TO ELIMINATE H2S FROM LIQUID EFFLUENTS |
| 08/30/2007 | US20070202036 Production Of Barium Titanate Compounds |
| 08/30/2007 | US20070200085 Magnetic Nanotubes |
| 08/30/2007 | CA2642779A1 Superparamagnetic nanoparticles based on iron oxides with modified surface, method of their preparation and application |
| 08/29/2007 | EP1826180A1 A composite material composed of nanoparticles of transition metal and magnetic ferric oxide, a methode of preparing the same, and uses of the same |
| 08/29/2007 | CN101024518A Method for preparing Fe3O4 powder with ordered nano array structure |
| 08/29/2007 | CN101024496A Method for preparing carbon hollow ball with magnetic material filler |
| 08/29/2007 | CN101024157A Magnetic porous gamma Fe2O3 microballs and production method |
| 08/28/2007 | US7261872 Mixing a metal compound with anhydrous hydrogen fluoride in presence of a polymer; fluorination as a gel; heat treatment |
| 08/23/2007 | US20070196671 Electromagnetic wave absorber |
| 08/23/2007 | US20070194268 Method of production of dielectric powder, composite electronic device, and method of production of same |
| 08/22/2007 | CN1333477C Lithium ferrite oxide/lithium ferrite nitride composite cathode material and its preparing method |
| 08/22/2007 | CN1332886C Synthesis of oliver alpha-ferric oxide nanometer particles |
| 08/22/2007 | CN101023538A Piezoelectric materials |
| 08/21/2007 | US7258847 Recovery of titanium from titanium bearing materials |
| 08/16/2007 | US20070189937 Preparation of iron compounds by hydrothermal conversion |
| 08/15/2007 | CN101016172A Preparing process for nano alpha-Fe2O3 by glycerin atmosphere pressure crystallization method |
| 08/15/2007 | CN101016171A Preparation process for high-purity alpha-Fe2O3 by ferrous sulfate-ammonium carbonate method |
| 08/14/2007 | US7255807 Strontium ferrite mixture of a fine powder with a particle diameter of greater than 0.50 to 1.0 mu m and a coarse powder with a particle diameter of greater than 2.50 to 5.0 mu m at a ratio of fine powder to content of 15-40 wt. %; exhibits only small decrease in coercivity when molded |
| 08/09/2007 | CA2633762A1 Unit dose comprising water-insoluble inorganic phosphate binder |
| 08/08/2007 | EP1814825A2 A method for producing iron oxide nano particles |
| 08/08/2007 | CN1330605C Ferrite type magnet manufacturing method |
| 08/08/2007 | CN101012070A Particulate ferrous sulfate heptahydrate and its preparing method and device |
| 08/01/2007 | EP1812339A1 Method for producing elemental halides |
| 08/01/2007 | EP1812336A1 Prepara on method of magnetic and metal oxide nanopar cles |
| 08/01/2007 | CN101009151A High saturation and magnetic intensity magnetic powder and its preparing method and use |
| 08/01/2007 | CN101007658A Method for synthesizing mesoporous ferric oxide using mesoporous carbon as hard template |
| 08/01/2007 | CN101007657A Preparation method of high purity magnetic material nano ferric oxide |
| 07/31/2007 | US7250454 Conductive nanocomposite films |
| 07/26/2007 | WO2006120181A3 Method to reduce the amount of dust formation of metal oxides |
| 07/25/2007 | EP1810951A2 Methods of synthesizing an oxidant and application thereof |
| 07/25/2007 | EP1314697B1 Ferrite material |
| 07/25/2007 | CN101003390A Method for preparing flocculant of ferric chloride of polysilicon acid |
| 07/25/2007 | CN101003389A Method for preparing Nano particles of monodisperse, ultra paramagnetic ferroferric oxide |
| 07/25/2007 | CN101003388A Method for preparing Nano cube of hematite |
| 07/25/2007 | CN101003387A Method for preparing magnetic Nano composite granules coated by polyelectrolyte of positive ions |
| 07/25/2007 | CN101003386A Method for preparing Nano microparticles of monodisperse, oil soluble, surface modified iron oxide |
| 07/24/2007 | US7247597 Mixed oxide of mainly cerium (Ce) and zirconium (Zr) having a regularly orientated phase in which Ce cations and Zr cations are oriented regularly and having a specific surface area of 20 m2/g or more; made with reducing heat treatment |
| 07/24/2007 | US7247282 Forming easy to filter precipitates of metal hydroxide and gypsum; using multistage neutralizations and recirculation to produce separate crystals; suitable for neutralization of pickling waste from steel refining |
| 07/19/2007 | WO2007080286A2 Coated iron sulphate particles and their use in the preparation of cements |
| 07/19/2007 | US20070164250 Nanoparticle heating and applications thereof |
| 07/18/2007 | EP1808413A1 Powder material generating heat in ac magnetic field and method for producing same |
| 07/18/2007 | CN1326775C Production method of diaquobarium iodide |
| 07/11/2007 | CN1997596A Iron sulfate-based phosphate adsorbent |
| 07/11/2007 | CN1995488A Method for preparing ferric oxide monocrystalline nano line |
| 07/11/2007 | CN1994868A Method for producing vitriol and iron ore concentrate using ferrous sulfate |
| 07/11/2007 | CN1326259C Method for making positive active material of chargeable lithium cell |
| 07/11/2007 | CN1326166C Ferrite, and transformer and method for driving it |
| 07/11/2007 | CN1325383C Novel aqueous composition and use of the same |
| 07/10/2007 | CA2309611C Method for upgrading iron ore utilizing multiple magnetic separators |
| 07/04/2007 | CN1324738C Positive electrode for nonaqueous electrolyte battery, process for producing the same and nonaqueous electrolyte battery |
| 07/04/2007 | CN1323742C Two-phase distribution apparatus and process |
| 07/03/2007 | US7238734 Drug delivery; improved refractive index, transparency to light, reflection, permeability, coercivity, magnetic hysteresis, breakdown voltage, biocompatability, and wear resistance |
| 07/03/2007 | US7238438 Flat-acicular iron oxide particles having an average major axis length of 20-00 nm, a short axis cross-section that has a long width and a short width, and a short axis cross-section ratio that is greater than 1.3 and uniform in the long axis direction; powder contains phosphorus and a rare earth element |
| 07/03/2007 | CA2272857C Improved leaching of mineral ores |
| 06/28/2007 | WO2007071899A1 Metal nitrate conversion method |
| 06/28/2007 | WO2006053676A8 Process for preparing element halides |
| 06/28/2007 | US20070148529 Cathode material for a high-temperature fuel cell (sofc) and a cathode that can be produced therefrom |
| 06/27/2007 | EP1379470B1 Iron oxides with a higher degree of refining |
| 06/27/2007 | CN1986430A Method and device for reactivating inactivated nickel for carbonyl nickel production |
| 06/27/2007 | CN1986428A Wet production processs and apparatus of granular ferrous sulfate monohydrate |
| 06/27/2007 | CN1986427A Nano ferric oxide material and its preparing process and use in water treatment |
| 06/27/2007 | CN1986426A Preparing process of nano Mn-Zn ferrite material |
| 06/26/2007 | US7235338 Disperion a toner mixtyure of resin and coloring agent; crosslinking agent elongation agent; in aqueous solution |
| 06/26/2007 | US7235224 Process for preparing fine metal oxide particles |
| 06/26/2007 | US7235117 Dissolving hematite in hydrochloric acid; adding ammonia and acetic acid; adsorption of impurities |
| 06/26/2007 | CA2420337C Mixed conducting membranes for syngas production |
| 06/26/2007 | CA2207492C Restructured iron oxide |
| 06/21/2007 | US20070140951 Nano-sized particles, processes of making, compositions and uses thereof |
| 06/21/2007 | US20070140937 An inner organic binding group attached to at least one metal moiety of a metal oxide crystallite particle; andan outer organic binding group attached to at least one inner organic binding group; catalysts and precursors for forming metal oxide films and coatings |
| 06/20/2007 | CN1321881C Method for preparing Li, Ni, Mn oxide material by adopting low-heat solid phase reaction |
| 06/19/2007 | US7232557 Method for preparation of magnetic spinel ferrites from layered double hydroxide precursors |
| 06/19/2007 | US7232556 Titanium comprising nanoparticles and related nanotechnology |
| 06/14/2007 | US20070131894 Sic-hexagonal ferrite type ceramic composite electromagnetic wave absorber |