| Patents for C01G 49 - Compounds of iron (8,643) |
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| 04/16/2008 | CN101162634A Ion liquid based magnetofluid preparation method |
| 04/16/2008 | CN100381363C Temperature-controlled pressure-controlled microwave synthesis method for water-soluble ferroferric oxide nano crystal |
| 04/16/2008 | CN100381362C Potassium ferrate preparation method |
| 04/15/2008 | US7357997 Nonmagnetic powder comprising acicular iron oxide particles having an average major axis length of 20-200 mu m, a specific surface area of 30-100 m2/g and a pH of <7; resin dispersibility; antiagglomerants; phosphorus/rare earth coating; smoothness; high strength; high-density/capacity tapes |
| 04/10/2008 | WO2008041951A1 Process for making nano-sized and micro-sized precipitate particles |
| 04/10/2008 | WO2007146352A3 Methods of making water treatment compositions |
| 04/09/2008 | EP1909346A1 Positive electrode active material for nonaqueous electrolyte secondary battery |
| 04/09/2008 | CN101157484A High-temperature heat treatment process for rapid preparation of Fe-based rare earth compound having NaZn13-shaped structure |
| 04/08/2008 | US7354565 Calcining wet ground iron oxide and tungsten oxide, mixing lead oxide, heat treatment |
| 04/03/2008 | WO2008038401A1 Process for producing iron arsenide compound with good crystallinity |
| 04/03/2008 | CA2663108A1 Method of producing iron-arsenic compound excellent in crystallinity |
| 04/02/2008 | EP1904405A2 Lamellar iron-iii-oxid |
| 04/02/2008 | EP1540023B1 Process for agglomerating particulate material |
| 04/02/2008 | CN100378028C Magnetic ferrite and magnetic device using same |
| 04/01/2008 | US7351500 Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same |
| 04/01/2008 | US7351391 System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution |
| 03/27/2008 | WO2008036816A2 Multivalent iron ion separation in metal recovery circuits |
| 03/27/2008 | US20080075645 Process for Complete Utilisation of Olivine Constituents |
| 03/27/2008 | DE102006042495A1 Production of iron chloride for use e.g. in water purification and for pigment production, involves reaction of hydrochloric acid with iron scale, preferably in the form of an industrial waste product |
| 03/26/2008 | CN101151211A Method for the aqueous-phase synthesis of layered double hydroxide-type compounds |
| 03/26/2008 | CN101148272A Technique for producing ferrous sulfate monohydrate by push plate kiln |
| 03/26/2008 | CN101148271A Preparation method for gamma-Fe2O3 nano-tube |
| 03/26/2008 | CN101148270A Method for preparing zinc ferrite magnetic gel |
| 03/26/2008 | CN100376485C Solid ferrate preparation method |
| 03/25/2008 | US7347893 mill scale is mixed with alien iron oxide heated in an oxidizing atmosphere to produce iron oxide pigment which can be black, brown or red; cooled in a non-oxidizing or reducing atmosphere to ensure no re-oxidation |
| 03/20/2008 | US20080069748 Selective removal of ferric ion and/or ferric compounds from valuable metal recovery process streams |
| 03/20/2008 | US20080067469 Hydrolysis of ferric compound such as ferric sulfate; heating, basification, dilution; dehydration to form elongated particles; oxidation, catalysis, dispersion, agglomeration, fusion, coating |
| 03/19/2008 | EP1900690A1 Magnetic material |
| 03/19/2008 | EP1899270A2 Method for producing an iron sulfate-based phosphate adsorbent |
| 03/19/2008 | EP1899263A2 Method and device and pure hydrogen generation from acidic solution |
| 03/19/2008 | CN101144143A Processing technique of plating auxiliary agent for hot galvanizing |
| 03/19/2008 | CN101143733A Method for preparing magnetic ferric oxide nano particles |
| 03/19/2008 | CN101143725A Composite deep processing technique for fly ash iron-rich vitreum micro-sphere |
| 03/13/2008 | WO2008028947A1 Process for preparing ferrates (vi) |
| 03/12/2008 | CN100374375C Method for preparing metal oxide powder |
| 03/11/2008 | US7341805 Lithium-containing complex oxide, non-aqueous secondary battery using the lithium-containing complex oxide, and method for producing the lithium-containing complex oxide |
| 03/05/2008 | CN101134599A Method for preparing nano ferrous acid copper |
| 03/05/2008 | CN101134154A Technique of catalytic oxidation flue gas desulfurization and hydrocarbonylation by-product polymerization iron sulfate |
| 03/05/2008 | CN100373670C Positive electrode active material, production method thereof and non-aqueous electrolyte secondary battery |
| 03/05/2008 | CN100372601C Methods and apparatus for heat treatment in a fluidised bed |
| 02/28/2008 | WO2008023853A1 Magnetic chemical absorber, process for producing the same, method of regenerating the same, and method of treating waste liquid |
| 02/28/2008 | WO2008023622A1 Process for producing lithium/manganese composite oxide |
| 02/28/2008 | US20080050307 Monodispersed, spherical zirconia (ZrO2) particles; mixing zirconium-alkoxide and an alcohol, and dissolving completely de-ionized water and a polymeric steric stabilizer in an alcohol, forming a sol by hydrolysis and condensation |
| 02/27/2008 | EP1892219A1 Method of treating a precipitate comprising iron(II)sulphate monohydrate, a plant, granular material and its uses |
| 02/27/2008 | EP1891246A1 Processing of metal chloride solutions and method and apparatus for producing direct reduced iron |
| 02/27/2008 | CN100372155C Production method of positive active material of lithium battery |
| 02/27/2008 | CN100371254C Boron-substituted lithium compounds, active electrode materials, batteries and electrochrome devices |
| 02/26/2008 | US7335343 Reacting iron with carbon monoxide in suspension in the presence of a sulfur catalyst of a mixture of alkali metal sulfide and sulfur |
| 02/21/2008 | WO2008020797A1 Use of a powder composition and a medium |
| 02/21/2008 | WO2008019633A1 Process for treating aqueous lateritic-ore pulps in pressurized acid technology |
| 02/21/2008 | US20080044346 Use of a powder composition and a medium |
| 02/20/2008 | CN101128394A High density storage of ammonia |
| 02/20/2008 | CN101125685A Method for preparing lipophilic ferroferric oxide nano particles |
| 02/20/2008 | CN101125684A Preparation method for gamma-Fe2O3 magnetic nano particles |
| 02/20/2008 | CN100369821C Method for producing polyiron sulfate using sulfur burning iron sand |
| 02/20/2008 | CN100369820C Process of recovering steel wire from waste radial tyre and preparing high purity iron oxide |
| 02/20/2008 | CN100369670C Method for preparing catalyst containg iron oxide |
| 02/19/2008 | US7332141 Process to separate the vanadium contained in inorganic acid solutions |
| 02/13/2008 | CN101121547A Method for sintering manganese-zinc-ferrite with high cutoff frequency and super-high magnetic conductivity |
| 02/12/2008 | US7329396 leaching ores with lixiviant comprising magnesium chloride and hydrochloric acid |
| 02/07/2008 | US20080032195 Non-aqueous electrolyte secondary cell |
| 02/06/2008 | EP1883612A2 A process for the synthesis of perovskite ceramics |
| 02/06/2008 | CN101119934A Method for producing iron oxyhydroxide and adsorbing material comprising iron oxyhydroxide |
| 02/06/2008 | CN101118978A Lithium ion battery with FePO4/LixCn as electrode couple and method for making same |
| 02/06/2008 | CN101117241A Ferrum oxidate nano magnetic material and method for preparing the same |
| 02/06/2008 | CN101117240A Preparation method of solid potassium ferrate |
| 02/06/2008 | CN101116792A Technics of flue gas desulfurizing through catalytic oxidation method and by-product polymerizing iron sulfate through catalytic method |
| 02/06/2008 | CN101116791A Resource iron recovery method flue gas desulfurization technics and the integration device thereof |
| 02/06/2008 | CN100366544C Iron oxide powder solid purifying process |
| 02/05/2008 | US7326360 Cobalt ferrite based magnetostrictive materials for magnetic stress sensor and actuator applications |
| 01/31/2008 | WO2008013124A1 Iron arsenate powder |
| 01/31/2008 | WO2007128695A3 Method for obtaining magnetite |
| 01/31/2008 | DE102006035029A1 Verfahren zur alkalischen Hydrolyse von Carbonsäurederivaten zu Carbonsäuren Process for the alkaline hydrolysis of carboxylic acid derivatives to carboxylic acids |
| 01/30/2008 | CN101113022A Chitose aquagel evoked original position synthesis of super-paramagnetism nano ferriferrous oxide particles |
| 01/30/2008 | CN101112990A Method for co-production of white carbon black, aluminum oxide and kerogen by kerosene shale |
| 01/30/2008 | CN100365850C Nano gamma hydrocarboxyl nickel/high ferrite composite material and preparing method |
| 01/24/2008 | WO2007128696A3 Method for obtaining valuable products |
| 01/24/2008 | WO2007088343A3 Granular material comprising water- insoluble inorganic phosphate binders |
| 01/24/2008 | US20080020277 Methods Of Making Transition Metal Compounds Useful As Cathode Active Materials |
| 01/23/2008 | CN201010528Y Processing system for recycling ferrous chloride crystal and hydrochloric acid from hydrochloric acid waste liquid |
| 01/23/2008 | CN101111305A Method for producing nano sized solids by using a burner with a porous reaction zone |
| 01/23/2008 | CN101108745A Method for manufacturing iron oxide with waste slag containing iron |
| 01/16/2008 | CN101104526A Amino magnetic nano particle with metal ion fixed on surface of the same and preparation method thereof |
| 01/10/2008 | WO2005048276A3 An mg-based ferrite, an electrophotographic development carrier containing the ferrite, and developer containing the carrier |
| 01/09/2008 | EP1269267B1 Method for preparation of iron-based powder and iron-based powder |
| 01/09/2008 | CN101100315A Preparation method for Fe3O4 nano particles |
| 01/09/2008 | CN101100314A Method for preparing gamma-Fe2O3 nano magnetic material |
| 01/09/2008 | CN101100313A Process for preparing lithium ion battery anode material by gradient sphere grinding |
| 01/09/2008 | CN101100305A Fine comprehensive utilization technique of fly ash |
| 01/09/2008 | CN100360429C Method for decomposing potash feldspar ore by low temperature wet process |
| 01/03/2008 | WO2008000887A1 Method of treating a precipitate comprising iron (ii) sulphate monohydrate, a plant, granular material and its uses |
| 01/02/2008 | CN100359723C Negative electrode for lithium batteries |
| 01/02/2008 | CN100359568C Powder for lower layer of coating type magnetic recording medium and magnetic recording medium using the same |
| 01/01/2008 | US7314604 Adding air to an acidic solution containing arsenic(V), copper, ferric iron and ferrous iron in a continuously stirred tankto oxidize the ferrous to ferric ion and heating to precipitate FeAsO4; recycling a portion of FeAsO4; seeding with FeAsO4 to enhance crystalline formation |
| 01/01/2008 | US7314552 Electrochemical method and apparatus for producing and separating ferrate(VI) compounds |
| 12/27/2007 | WO2007101253A3 In-situ immobilization of metals in contaminated sites using stabilized nanoparticles |
| 12/26/2007 | CN101092250A Method for preparing magnetic Nano material |
| 12/26/2007 | CN100357361C Method for preparing high purity iron oxide yellow and iron oxide red using titanium dioxide byproduct ferrous sulfate |
| 12/21/2007 | WO2007145573A1 Metal oxide hydrogels and hydrosols, their preparation and use |
| 12/21/2007 | WO2007145216A1 Fine particle of perovskite oxide, particle having deposited perovskite oxide, catalyst material, catalyst material for oxygen reduction, catalyst material for fuel cell, and electrode for fuel cell |