| Patents for C01G 49 - Compounds of iron (8,643) |
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| 05/25/2011 | CN102076611A Catalyst composition with nanometer crystallites for slurry hydrocracking |
| 05/25/2011 | CN102071315A Method for separating iron from raffinate in process of extracting scandium from red mud |
| 05/25/2011 | CN102070202A Method for increasing purity of carbonyl iron powder |
| 05/25/2011 | CN102070201A Preparation method of electromagnetic wave absorbing particles by taking microorganism as template |
| 05/25/2011 | CN102070200A Method for preparing ferrous nitrate solution by adopting liquid-solid phase moving bed reaction device |
| 05/25/2011 | CN102070198A Method for preparing high-purity manganese sulfate and high-purity manganese carbonate by reduction leaching of pyrolusite through scrap iron |
| 05/25/2011 | CN101445277B Nano-crystalline Fe3O4 particles with high absorption capacity and preparation method thereof |
| 05/19/2011 | WO2011059105A1 Heat-insulating agent composition |
| 05/19/2011 | WO2011058981A1 Negative electrode for lithium secondary battery and method for producing same |
| 05/19/2011 | WO2011058966A1 Infrared reflective black pigment, coating material using the infrared reflective black pigment, and resin composition |
| 05/18/2011 | EP2323204A1 Electrode active material and method for producing same |
| 05/18/2011 | CN102067362A Positive electrode active material for lithium ion battery, positive electrode for secondary battery using the positive electrode active material, and lithium ion secondary battery using the secondary battery positive electrode |
| 05/18/2011 | CN102066262A Processing method for recovering iron oxide and hydrochloric acid |
| 05/18/2011 | CN102060335A Method for preparing ammonium ferrous sulfate from waste ferrous slag in sulfuric acid process titanium dioxide industry |
| 05/18/2011 | CN102060334A Preparation of ferrous compound in polyhydroxy structural state and application of ferrous compound in wastewater reduction pretreatment |
| 05/18/2011 | CN101759315B Method for recycling waste diluted sulfuric acid from acid washing solution of steel |
| 05/18/2011 | CN101633522B Method for preparing alpha-iron oxide nano-powder |
| 05/18/2011 | CN101555551B Method for comprehensively recovering Fe, Cu and Si from copper smelting slag |
| 05/18/2011 | CN101314483B Method for synthesizing alpha-Fe2O3 nano-particle with controllable shape size |
| 05/17/2011 | US7942953 Adsorption vessels |
| 05/11/2011 | EP2320437A1 Temperature-responsive magnetic fine grains capable of freeze drying |
| 05/11/2011 | EP2320434A2 Method for producing ferrite |
| 05/11/2011 | EP2319804A1 Iron(III)-Carbohydrate based phosphate adsorbent |
| 05/11/2011 | CN102050497A Filter-press deacidifying method of metallurgy pickling iron oxide red |
| 05/11/2011 | CN101327961B Magnetic seed material, preparation and use thereof |
| 05/10/2011 | US7939463 Preparation of iron oxides |
| 05/10/2011 | US7939202 Method for producing lithium-containing transition metal oxide |
| 05/05/2011 | WO2011052205A1 Polymer-coated ferrite microparticles and production method for same |
| 05/04/2011 | EP2315722A2 Use of an oxyhydroxy salt related to the family of lamellar double hydroxides for the design and manufacture of an electrode with a view to storing electrical energy |
| 05/04/2011 | CN201817290U Demonstrating device for preparing ferrous hydroxide |
| 05/04/2011 | CN102040250A Method for comprehensively utilizing chlor-alkali salt sludge |
| 05/04/2011 | CN102040238A Recycling method for treating sludge containing heavy metals |
| 05/04/2011 | CN102040196A Method for reclaiming hydrochloric acid and ferrous sulfate from steel hydrochloric acid washing waste liquid |
| 05/04/2011 | CN101410331B Magnetic material |
| 05/03/2011 | US7935653 Metal oxide nanoporous material, coating composition to obtain the same, and methods of manufacturing them |
| 05/03/2011 | US7935328 Method for manufacturing scorodite |
| 04/28/2011 | WO2011048823A1 Hexagonal ferrite magnetic powder for magnetic recording, process for production thereof, and magnetic recording media using the powder |
| 04/28/2011 | WO2011048307A1 Interconnector for a high-temperature solid oxide fuel cell and electrolyser |
| 04/27/2011 | CN102030374A Microwave hydrothermal method for preparing bismuth ferrite powder |
| 04/27/2011 | CN101559985B Method for preparing Fe3O4 nano-particles by low-intensity external magnetic field induction and device thereof |
| 04/27/2011 | CN101319099B Method for preparing transparent iron oxide pigment with microemulsion method |
| 04/27/2011 | CN101279769B Preparation of ferromagnetic ferriferrous oxide nanometer material |
| 04/21/2011 | WO2011045223A1 Re-dispersible metal oxide nanoparticles and method of making them |
| 04/21/2011 | US20110091365 Picolylamine resins |
| 04/21/2011 | US20110089109 Method for treatment of sludge |
| 04/20/2011 | EP2310323A1 Processing method for recovering iron oxide and hydrochloric acid |
| 04/20/2011 | EP2310322A1 Processes for producing titanium dioxide |
| 04/20/2011 | CN102020319A Method for preparing iron oxide black pigment by utilizing titanium dioxide waste acid ferrous sulphate |
| 04/20/2011 | CN102020258A Method for preparing magnetic fluorescence hydroxyapatite nanocomposite structure |
| 04/19/2011 | US7928637 Piezoelectric materials |
| 04/19/2011 | CA2460728C Lithium cell based on lithiated transition metal titanates |
| 04/13/2011 | EP2111373B1 Method of producing ferrates (vi) |
| 04/13/2011 | CN102010015A Preparation method of magnetic manometer wire through magnetic field induction |
| 04/13/2011 | CN102010014A Method for preparing iron oxide red from waste desulfurizer |
| 04/13/2011 | CN102010013A Method for preparing high-quality ferric oxide by using ferric-containing waste slags |
| 04/13/2011 | CN102010012A Method for preparing bismuth ferrite material by two-step solid-phase reaction |
| 04/13/2011 | CN102010011A New method for preparing polycrystalline SrFeO3 with three-dimensional ordered macroporous structure |
| 04/13/2011 | CN102009995A Method for preparing carbonate from waste slag obtained by producing lithopone |
| 04/13/2011 | CN101497463B Method for preparing gamma-Fe2O3 nanoparticle by two-step precipitation |
| 04/13/2011 | CN101468816B Process for production of iron oxyhydroxide particles |
| 04/13/2011 | CN101337683B Combination production method for obtaining multi-products using high iron bauxite as raw material |
| 04/12/2011 | US7923615 Catalyst system for a multi-walled carbon nanotube production process |
| 04/12/2011 | US7922917 Porous ferro- or ferrimagnetic glass particles for isolating molecules |
| 04/07/2011 | WO2011040534A1 Method for improving coercive force of epsilon-type iron oxide, and epsilon-type iron oxide |
| 04/07/2011 | WO2011040126A1 Magnetic material and motor obtained using same |
| 04/07/2011 | US20110081284 Treatment of bauxite residue and spent pot lining |
| 04/06/2011 | CN102001712A Method for preparing superparamagnetic Fe3O4 nano particle based on thermal decomposition of template |
| 04/06/2011 | CN102001711A Preparation method of water-based ferroferric oxide magnetic fluid |
| 04/06/2011 | CN102001710A Method for preparing hollow urchin-shaped alpha-basic iron oxide |
| 04/06/2011 | CN101717122B Method for preparing ferroferric oxide nano-piece through microwave method |
| 04/06/2011 | CN101698516B Method for preparing hollow spherical ferroferric oxide nano material |
| 04/06/2011 | CN101559961B Process for producing potassium sulfate and polymeric aluminum ferric sulfate by low-temperature decomposing of potassium feldspar by hydrofluosilicic acid |
| 04/06/2011 | CN101318709B Method for preparing nano-gamma-Fe2O3 hollow magnetic microsphere |
| 04/05/2011 | US7919068 Method for making metal oxides |
| 03/31/2011 | US20110076224 Process for producing red iron oxide |
| 03/31/2011 | US20110076223 Apparatus and Method For Producing Liquid Ferrate |
| 03/31/2011 | US20110076212 Methods and systems for oxidizing nitric oxide in a gas stream |
| 03/30/2011 | EP2301903A1 Perovskite oxide material, ferroelectric compound, piezoelectric body, piezoelectric device, and liquid discharge device |
| 03/30/2011 | EP2300153A2 Manufacture process for the preparation of an iron containing phosphate adsorbent |
| 03/30/2011 | EP1334072B1 Adsorption container and iron oxide adsorber |
| 03/30/2011 | EP1328478B1 Contacting and adsorbent granules |
| 03/30/2011 | EP1328477B1 Contact and adsorber granulates |
| 03/30/2011 | EP1328476B1 Contact and adsorber granulates |
| 03/30/2011 | CN201777892U Ferrous sulfate liquor preparation device |
| 03/30/2011 | CN1997596B Iron sulfate-based phosphate adsorbent |
| 03/30/2011 | CN101998934A Multiferroic material and method of manufacturing the same |
| 03/30/2011 | CN101998933A 复合氧化物 Composite oxide |
| 03/30/2011 | CN101993158A Method for treating stainless steel cold rolling pickling waste water |
| 03/30/2011 | CN101993117A Normal-temperature production method for ferrous sulfate monohydrate |
| 03/30/2011 | CN101993116A Method for preparing polyaluminum sulfate |
| 03/30/2011 | CN101993115A Preparation method of ferroferric oxide magnetic nanoparticles |
| 03/30/2011 | CN101993114A Mixed crystal ferric oxide with high visible light catalytic activity and preparation method thereof |
| 03/30/2011 | CN101993113A Low-temperature industrial preparation method of monodisperse superparamagnetic gamma-Fe2O3 nanoparticles |
| 03/30/2011 | CN101991866A Nanometer gamma-Fe2O3 relaxation rate standard substance and preparation method thereof |
| 03/30/2011 | CN101602500B Method for preparing Li3PO4 and Fe2O3 by ferrophosphorus |
| 03/30/2011 | CN101546650B Electrode material of super capacitor and its preparation method |
| 03/30/2011 | CN101544406B Method for producing red iron oxide pigment |
| 03/30/2011 | CN101302038B Method for synthesizing nanometer polymerization ferric persulfate flocculant by hydro-thermal method |
| 03/30/2011 | CN101234751B Method for preparing nano material by flame combustion |
| 03/30/2011 | CN101121547B Method for sintering manganese-zinc-ferrite with high cutoff frequency and super-high magnetic conductivity |