Patents for C01G 49 - Compounds of iron (8,643)
08/2012
08/29/2012CN101982420B Solution of magnetic nanoparticles and preparation method and application thereof
08/29/2012CN101891258B Novel production process of polyferric chloride
08/28/2012CA2529249C Extraction process for reactive metal oxides
08/28/2012CA2421363C Method for preparing iron oxides
08/22/2012EP2488452A1 Re-dispersible metal oxide nanoparticles and method of making them
08/22/2012CN102642874A Ferrous disulfide semiconductor film preparation method
08/22/2012CN102642873A Method for preparing iron oxide nanocluster
08/22/2012CN102173459B Method for preparing yttrium ferrite nanometer powder by using microwaves
08/22/2012CN102115813B Comprehensive utilization method for low-grade magnesite
08/22/2012CN102070200B Method for preparing ferrous nitrate solution by adopting liquid-solid phase moving bed reaction device
08/22/2012CN101993115B Preparation method of ferroferric oxide magnetic nanoparticles
08/16/2012WO2012074238A9 Y-type ferrite, and ferrite molded product prepared therefrom
08/16/2012WO2012067543A3 Process and device for producing ferrates of alkali metals
08/15/2012CN202379761U Device for producing polymeric ferric sulfate and composite polymeric ferric sulfate thereof
08/15/2012CN202379760U Reaction device for preparing iron-based fluorine sulfate precursor
08/15/2012CN102637499A Preparation method of magnetic mesoporous colloid nanocluster with stable natural polysaccharides
08/15/2012CN102633308A Method for producing iron oxide black by ferrous sulfate mother liquor
08/15/2012CN102633307A Method for hydrothermally preparing mono-dispersed hollow magnetic nanometer particles
08/15/2012CN101973586B Method for preparing polymeric aluminum ferric sulfate by using aluminium ore washing gangue
08/15/2012CN101955230B Preparation method of potassium ferrate
08/09/2012WO2012103974A1 Iron-silicon oxide particles having an improved heating rate in an alternating magnetic and electromagnetic field
08/08/2012EP2484638A1 Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide
08/08/2012EP2484637A1 Iron-silicon-oxide particles with improved heating rate in magnetic and electromagnetic alternating fields
08/08/2012CN102627331A Method for preparing magnetic materials by using chromium-containing and aluminum-containing industrial waste residues
08/08/2012CN102627302A Serpentine processing and utilization method
08/08/2012CN102115207B Method for producing ferrous carbonate and ammonium sulfate by using waste acid obtained during production of titanium pigment by adopting sulfuric acid process
08/08/2012CN102092794B Preparation method of nano iron oxide yellow or nano iron oxide red
08/08/2012CN101804967B Low temperature controllable preparation method of double metal oxide semiconductor nanocrystalline sol
08/07/2012US8236277 Process for producing nanoparticles
08/07/2012US8236185 Methods for using sulfidized red mud
08/07/2012CA2597480C Counter current mixing reactor
08/07/2012CA2437096C System and method of making ferric chloride with reduced amounts of hydrochloric acid for water treatment
08/02/2012WO2012101752A1 Magnetic material, magnet and method of producing magnetic material
08/02/2012DE102011003502A1 Encapsulated iron oxide particles having a needle shape, useful as a component e.g. for rubber mixtures, polymer preparations, comprises a core containing magnemite and magnetite, and a shell containing a metal oxide or metalloid oxide
08/01/2012EP2481710A1 Polymer-coated ferrite microparticles and production method for same
08/01/2012CN102616867A Method for extracting and preparing nickel carbonate, nickel sulfate and red ferric oxide from serpentine and tailings thereof
08/01/2012CN102616864A Method for manufacturing ferroferric oxide for iron electrode
08/01/2012CN102616863A Method for compositing Fe3O4 nanorod by utilizing magnetic induction gas-liquid interface method
08/01/2012CN102616862A Method for preparing nano-sized transparent yellow iron oxide pigments
08/01/2012CN102616861A Fe2O3 micro-nano porous sphere, preparation method thereof and uses thereof
08/01/2012CN102115209B Method for producing ferrous nitrate and barium sulfate by using waste acid obtained by producing titanium white by sulfuric acid method
08/01/2012CN101746834B Preparation method of perovskite composite oxide La1-xCaxFeO3 superfines
07/2012
07/26/2012WO2012100004A1 Methods for recovering magnetite bauxite residue
07/26/2012WO2012075109A9 Processes for making high iron content stable ferric chloride solutions
07/26/2012WO2012074238A3 Y-type ferrite, and ferrite molded product prepared therefrom
07/25/2012EP1512669B1 Magnetite particles
07/25/2012CN202346788U Iron oxide slurry production system provided with high-temperature exhaust gas recovery device
07/25/2012CN102604435A Nano transparent iron oxide yellow pigment
07/25/2012CN102603015A Method for producing polymerized iron chloride by utilizing acid-washing waste liquid of steel
07/25/2012CN102603014A Environment-friendly and efficient method for preparing iron sesquioxide/graphene composite material
07/25/2012CN102603013A Novel method for dechlorinating acid-washing iron oxide red
07/25/2012CN102603012A Preparation method of nano iron oxide with good solvent dispersity
07/25/2012CN102603011A Method for preparing iron oxide red by utilizing valuable metal ferrous post-leaching solution of wet metallurgy
07/25/2012CN102603010A Transparent nanometer iron oxide red pigment
07/25/2012CN102603009A Method for preparing nano transparent ferric oxide red pigment
07/25/2012CN102603008A Method for synthesizing nanoscale copper pyrites
07/25/2012CN102602917A Preparation method of nitrogen doped graphene/ metal oxide nanometer composite material
07/25/2012CN102602890A Method and device for recycling useful substances from waste hydrochloric acid liquor
07/25/2012CN102602883A Preparation method of silica-coated iron oxide nano-core-shell structural material
07/25/2012CN102259954B Waste acid recycling process and matching device thereof
07/25/2012CN102010012B Method for preparing bismuth ferrite material by two-step solid-phase reaction
07/25/2012CN101560336B Spherical iron oxide black and preparation technology thereof
07/24/2012US8226845 Iron powder phosphonate coating
07/19/2012WO2012097242A1 Nanonet-based hematite hetero-nanostructures for solar energy conversions and methods of fabricating same
07/18/2012EP2475614A1 Galvanic waste sludge treatment and manufacturing of nano-sized iron oxides
07/18/2012CN102598367A Negative electrode for lithium secondary battery and method for producing same
07/18/2012CN102596818A Infrared reflective black pigment, coating material using the infrared reflective black pigment, and resin composition
07/18/2012CN102596817A Heat-insulating agent composition
07/18/2012CN102583578A Method for treating waste manganese mud generated during production of hydroquinone by aniline process
07/18/2012CN102583577A Method for preparing iron oxide black by by-product chemical iron mud in amino phenol technology
07/18/2012CN102583576A Method for preparing paramagnetic Fe3O4 nanoparticles by using iron tailings
07/18/2012CN102583575A Method for producing pigment-level iron oxide red by using titanium dioxide waste residue ferrous sulfate
07/18/2012CN102583574A Cathode material, alpha-Fe2O3, of high-capacity lithium ion battery and preparation method for material
07/18/2012CN102583573A High temperature resistant iron oxide red pigment
07/18/2012CN102583572A Method for roasting iron oxide red pigment by adopting iron oxide yellow
07/18/2012CN102583571A Wet chemical method for preparing Bi2Fe4O9 nanometer powder
07/18/2012CN102583570A Method for synthesizing triclinic-phase FeVO4 powder with microwave-hydrothermal method
07/18/2012CN102583569A Method for preparing bismuth ferrite film with dielectric property by adopting liquid-phase self-assembly technology
07/18/2012CN102583568A Method for preparing bismuth ferrite functional film by short wave ultraviolet irradiation pretreatment
07/18/2012CN102583567A Superfine high-dispersion super-paramagnetism ferrate nano particles and preparation method thereof
07/18/2012CN102583566A Preparation method for bismuth ferrate nano fibers
07/18/2012CN102583540A Method for preparing chrome oxide black and co-producing ferrous oxalate by utilizing chrome-containing cast iron acid dissolution
07/18/2012CN102583458A Method for extracting basic magnesium carbonate, iron hydroxide and calcium sulfate from serpentine under normal temperature and pressure
07/18/2012CN102583315A Method for preparing ferroferric oxide/ carbon nano tube composite material
07/18/2012CN102101686B Process method for ultra-high purity alumina preparation by utilizing coal ash and comprehensive utilization of ultra-high purity alumina
07/18/2012CN101830517B Method for preparing ferric chloride
07/18/2012CN101128394B High density storage of ammonia
07/12/2012WO2011142834A8 Method for producing cerium -containing nanoparticles
07/12/2012US20120177902 Multiferroics that are both ferroelectric and ferromagnetic at room temperature
07/12/2012US20120177564 Half-metallic antiferromagnetic material
07/12/2012US20120175314 Methods of synthesizing an oxidant and applications thereof
07/12/2012CA2824034A1 Process for the purification of iron salt solutions
07/11/2012EP1963228B1 Process for preparing pulverulent solids
07/11/2012EP1630136B1 Surface-modified titanium dioxide fine particles and dispersion comprising the same, and method for producing the same
07/11/2012CN102560522A Method for electrochemically preparing potassium ferrate with increased yield
07/11/2012CN102560087A Method for extracting indium and zinc from high-iron indium-containing zinc calcine and preparing iron oxide
07/11/2012CN102557226A Production method for preparing iron oxide red seed crystal by using ferrite-containing waste water
07/11/2012CN102557152A Polyferric sulfate solution and method for producing the same
07/11/2012CN102557151A Method for preparing nanometer ferroferric oxide powder by reducing at one step
07/11/2012CN102557150A Preparation method for nano ferroferric oxide
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