Patents for C01G 49 - Compounds of iron (8,643)
10/2012
10/17/2012CN102344124B Process for co-producing sulfuric acid, fine iron powder and iron oxide red by ferrous sulfate heptahydrate and pyrite
10/17/2012CN102168172B Technology for extracting and separating boron-ferrum-magnesium from paigeite
10/17/2012CN102115210B Method for producing ferrous nitrate and calcium sulfate from waste acid generated during titanium dioxide production through sulfuric acid method
10/17/2012CN101952204B Ferric arsenate powder
10/16/2012US8287832 Hydrothermal method of synthesis of rare-earth tantalates and niobates
10/16/2012CA2536142C Iron oxide precipitation from acidic iron salt solutions
10/10/2012CN102718269A Preparation method of carbonyl iron
10/10/2012CN102718268A Method for producing solid poly ferric sulfate
10/10/2012CN102718267A Method for preparing black iron oxide by utilizing yellow ammonium iron alum slag
10/10/2012CN102718266A Method for preparing iron oxide yellow with Fe<3+> solution
10/10/2012CN102718265A Method for preparing non-stoichiometric Fe0.716V1.284O4 powder
10/10/2012CN102718261A Process for preparing sodium chromate by acid dissolution and oxidation of chromite
10/10/2012CN102718227A Treatment method for waste manganese slag generated in hydroquinone production by means of aniline process
10/10/2012CN102101700B Method for preparing sillenite powder by microwave-hydrothermal method
10/10/2012CN102092796B Process for producing polyferric sulfate by utilizing zinc sulfate oxidation waste sludge
10/10/2012CN101891259B New process for recycling pickling waste liquid
10/10/2012CN101863515B Purification method of dry-type iron oxide powder solid
10/10/2012CN101597472B Method for preparing ferriferrous oxide microwave adsorbing material by utilizing copper-iron tailing pyrite cinder
10/04/2012WO2012133646A1 Heat-resistant black powder, method for producing same, and paint and resin composition using heat-resistant black powder
10/04/2012WO2012133645A1 Magnetic iron oxide particle powder, magnetic carrier for electrophotographic developer and two-component system developer
10/04/2012WO2012130428A1 Process for preparing magnetite (fe3o4) and derivatives thereof
10/04/2012US20120251437 Magnetite in nanoparticulate form
10/03/2012EP2505558A1 Process for preparing magnetic (Fe3O4) and derivatives thereof
10/03/2012CN102703689A Process method for extracting and separating iron from industrial waste iron mud and preparing iron oxide red
10/03/2012CN102701291A Purification technology of ferrous sulphate heptahydrate
10/03/2012CN102701290A Method for preparing blocky ferric trichloride
10/03/2012CN102701289A Method for preparing mesoporous Fe3O4 magnetic nano material under assistance of microwaves
10/03/2012CN102701288A Perovskite composite oxide LaFeO3 monodisperse micrometer hollow balls and preparation method thereof
10/03/2012CN102701287A Preparation method of one-dimensional nano Bi25FeO40 material capable of generating photocurrent
10/03/2012CN102701286A Potassium ferrate disinfectant and preparation method thereof
10/03/2012CN102701224A Method for preparing three-dimensional ordered macroporous material
10/03/2012CN102701160A Cathode active substance for lithium ion battery, cathode material containing cathode active substance and lithium ion battery
10/03/2012CN102071315B Method for separating iron from raffinate in process of extracting scandium from red mud
10/03/2012CN101830516B Method for preparing nano ferroferric oxide particles
10/03/2012CN101746733B Method and equipment for continuous preparation of metallic oxide material and catalyst
09/2012
09/27/2012WO2012126865A1 Hydrothermal production of nanoparticles having clickable linkers on the surface
09/27/2012WO2012075109A3 Processes for making high iron content stable ferric chloride solutions
09/26/2012EP2502882A1 Magnetic iron oxide microparticle powder, aqueous dispersion containing magnetic particles, and process for production of same
09/26/2012CN102690010A Resource integrated utilization and treatment method of hydrochloric acid pickling waste liquid
09/26/2012CN102689932A Separation and refining process for ferrous sulphate
09/26/2012CN102689931A Method for producing iron oxide black from desiliconized sludge cake by one-step process
09/26/2012CN102689930A Hydrochloric acid pickling waste liquid resource integrated utilization method for preparing iron oxide and ammonium sulfate
09/26/2012CN102139943B Method for preparing polyaluminum ferric chloride by using red mud scandium-extracted effluent
09/26/2012CN101830496B Method of preparing transition metal oxide nano-particles
09/26/2012CN101767828B Method for preparing material containing amorphous iron oxide hydroxide and methods for regenerating the same
09/20/2012WO2012123184A1 Coated iron oxide particles
09/19/2012EP2500317A1 Infrared reflective black pigment, coating material using the infrared reflective black pigment, and resin composition
09/19/2012CN102686519A Magnetite in nanoparticulate form
09/19/2012CN102686518A Magnetic iron oxide microparticle powder, aqueous dispersion containing magnetic particles, and process for production of same
09/19/2012CN102676821A Iron, nickel and chromium recovery method for cathode-ray tube metal part
09/19/2012CN102675517A Preparation method of rosinyl magnetic polymer microspheres
09/19/2012CN102674481A Process for preparing ferrous sulfate solution by removing impurities from steel pickling waste liquid
09/19/2012CN102674480A Method for extracting and separating iron from industrial waste iron sludge and preparing ferrous sulfate and iron oxide red
09/19/2012CN102674479A Device and process for preparing environmental-friendly water processing agent
09/19/2012CN102674478A Method for preparing Fe3O4 magnetic nanocrystalline clusters based on microwave technology
09/19/2012CN102674477A Method for co-production of superfine ferroferric oxide and aluminum oxide by red mud of Bayer process
09/19/2012CN102674476A Chemical preparation method of magnetic graphene
09/19/2012CN102674475A High purity magnetite formation process and apparatus, and product thereof
09/19/2012CN102674474A Method for preparing two-dimensional Fe3O4 nano material
09/19/2012CN102674473A Process for preparing ferric oxide red by adopting iron vitriol
09/19/2012CN102674472A Rod-shaped nanometer ferric oxide and method for preparing same
09/19/2012CN102674471A Preparation method of flower-like mesoporous ferric oxide nano-material
09/19/2012CN102674470A Method for purifying ferric oxide red by wet method
09/19/2012CN102674469A Nanometer magnetic iron oxide and preparation method and application thereof
09/19/2012CN102674334A Preparation method of graphene with nano ferroferric oxide precipitated on surface
09/19/2012CN102674277A Method for pre-treating phosphorus rock by mixture of titanium dioxide waste acid and fluorine-containing waste water
09/19/2012CN102674251A Waste acid recovery and treatment process
09/19/2012CN102674250A Waste acid recovery and treatment device
09/19/2012CN102372308B Process for producing polymeric aluminum ferric chloride coagulating agent by using pickling waste water containing iron
09/18/2012US8268280 Method for production of calcium compounds
09/13/2012US20120230900 Metal Salt-Containing Composition, Substrate, Manufacturing Method of Substrate
09/12/2012EP2498324A1 Positive electrode material for lithium-ion accumulator
09/12/2012CN202430000U Waste acid treatment device used in hot-dip galvanizing production process
09/12/2012CN102664258A Lithium battery anode material and lithium battery preparation method
09/12/2012CN102659191A Method for controlling morphology and performance of ferriferrous oxide
09/12/2012CN102659190A Method for synthesis of ferroferric oxide nano-crystals having prism structures
09/12/2012CN102659189A Method for preparing magnetic Fe3O4 nano-powder using pickling waste liquor
09/12/2012CN102659188A Magnetic ferric oxide micrometer flower material with multi-stage structure and preparation method thereof
09/12/2012CN102659187A Preparation method of water-soluble iron oxide nanoparticles
09/12/2012CN102659186A Room temperature liquid phase synthesis method of porous flower-shaped superstructural iron oxide nano material
09/12/2012CN102659185A Method for preparing molecular self-assembly monolayer goethite nano material and application of molecular self-assembly monolayer goethite nano material
09/11/2012US8263241 Method for manufacturing secondary battery and method for preparing positive electrode active material for secondary battery
09/06/2012US20120225007 Methods and Systems for Synthesizing Iron-Based Materials and Sequestering Carbon Dioxide
09/06/2012US20120225006 Nano-sized particles, processes of making, compositions and uses thereof
09/05/2012CN202410664U Synthesis groove for producing pigment
09/05/2012CN202410291U Iron oxide pigment underbrush filter
09/05/2012CN102161514B Method for extracting metal hydroxide from gangue
09/05/2012CN102086083B Comprehensive utilization method of waste sludge in circuit board plant
09/05/2012CN102079544B Rapid synthesis method of ferric oxide nano powder
09/05/2012CN102070198B Method for preparing high-purity manganese sulfate and high-purity manganese carbonate by reduction leaching of pyrolusite through scrap iron
09/05/2012CN102001710B Method for preparing hollow urchin-shaped alpha-basic iron oxide
09/05/2012CN101993114B Mixed crystal ferric oxide with high visible light catalytic activity and preparation method thereof
09/05/2012CN101920999B Method for preparing nano strontium ferrite
09/05/2012CN101804968B Direct synthesis method of nanometer oxide powder
09/04/2012US8257679 Organically modified fine particles
09/04/2012CA2507331C Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability
08/2012
08/29/2012EP2491608A1 Interconnector for a high-temperature solid oxide fuel cell and electrolyser
08/29/2012CN102649589A Fibroin-controlled alpha type ferric oxide nano material and preparation method thereof
08/29/2012CN102649588A Method for producing iron oxide red by using ferrous sulfate as titanium dioxide byproduct
08/29/2012CN102649587A Alpha-phase ferric oxide preparation method
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