| Patents for C01G 49 - Compounds of iron (8,643) |
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| 10/22/2008 | EP1982957A1 Preparation of complex metal oxides |
| 10/22/2008 | EP1465757B1 A thermal process involving cold rf irradiated liquid as a core method for producing nano-size particles |
| 10/22/2008 | CN101289228A Method for preparing porous zinc ferrite nano-rods |
| 10/21/2008 | US7438992 Lithium-based active materials and preparation thereof |
| 10/16/2008 | WO2008123268A1 Process for production of transition metal carbides and/or double carbides |
| 10/16/2008 | WO2008043790A3 Method for the production of surface-modified, nanoparticulate metal oxides, metal hydroxides and/or metal oxyhydroxides |
| 10/15/2008 | EP1981102A1 Nonaqueous electrolyte secondary battery and process for producing the same |
| 10/15/2008 | EP1981044A2 Ferrite particles for bonded magnet resin composition for bonded magnet and molded products using the same |
| 10/15/2008 | EP1980534A1 Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same |
| 10/15/2008 | CN100426566C Active matter for battery and its prepn process |
| 10/09/2008 | WO2008121438A2 Methods of making iron-containing metal oxide nanoparticles |
| 10/09/2008 | WO2008120636A1 Porous iron oxide, process for producing the same, and method of treating water |
| 10/09/2008 | US20080247931 Using pulsating chemical reactor; gas flow resulting from flameless combustion; powders |
| 10/09/2008 | CA2682725A1 Porous iron oxide and method for producing the same and method for treating solutions |
| 10/08/2008 | CN101279769A Preparation of ferromagnetic ferriferrous oxide nanometer material |
| 10/08/2008 | CN100424026C Method for combined production of gypsum, active carbon, and copperas by using waste sulfuric acid and carbide slag |
| 10/02/2008 | WO2008118619A1 Novel transition metal substituted polyoxometalates and process for their preparation |
| 10/02/2008 | WO2008118139A2 Catalytic oxide anodes for high temperature fuel cells |
| 10/02/2008 | WO2008116790A1 Method for producing surface-modified nanoparticulate metal oxides, metal hydroxides, and/or metal oxide hydroxides |
| 10/02/2008 | WO2008116552A1 Process for the manufacture of a colloid of iron oxide |
| 10/02/2008 | US20080242815 Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water absorbent resin |
| 10/02/2008 | US20080241055 Obtaining a ferrous-iron containing suspension by mixing FeSO4 with NaHCO3 and NaOH, obtaining FeOOH particle precursor by blowing oxygen containing gas to oxidize ferrous particle, growing the particle by reacting remaining FeSO4, while controlling temperature; reducing to magnetic iron |
| 10/02/2008 | CA2681153A1 Methods of producing surface-modified nanoparticulate metal oxides, metal hydroxides and/or metal oxide hydroxides |
| 10/02/2008 | CA2678085A1 Process for the manufacture of a colloid of iron oxide |
| 10/01/2008 | CN101276910A Preparation of Fe5(PO4)4(OH)3 and application thereof |
| 10/01/2008 | CN101274781A Method for producing iron oxyhydroxide particle |
| 10/01/2008 | CN101274780A Polymeric ferric polysulfate composite coagulant and application thereof |
| 10/01/2008 | CN100423089C Powder for lower layer of application type of layered magnetic recording medium and magnetic recording medium using the same |
| 10/01/2008 | CN100422088C Method for preparing iron oxide black by reducing nitrobenzene using ferrous powder with side product of aniline sulfate salts |
| 09/25/2008 | WO2008114833A1 Arsenic-containing solid material and method for production thereof |
| 09/25/2008 | WO2008070885A3 Method for increasing the specific surface of iron oxides in spray roasting plants |
| 09/25/2008 | CA2679357A1 Arsenic-containing solid and method for producing it |
| 09/24/2008 | EP1972601A1 Pigmentary suspension having improved dyeing capacity |
| 09/24/2008 | CN101269890A Comprehensive utilization method for acid waste liquid containing arsenic |
| 09/24/2008 | CN101269889A Processing method for stainless steel acid cleaning waste water and liquid |
| 09/24/2008 | CN101269847A Method for preparing iron sulfate with iron ore |
| 09/24/2008 | CN101269846A Method for extracting ferrous chloride, ferric trichloride, poly-ferric trichloride in waste acid of washing steel and plating |
| 09/24/2008 | CN101269845A Method for preparing magnetic Fe3O4 nano-particle |
| 09/24/2008 | CN101269844A Amido modified magnetic nano-particle and method for preparing immune magnetic nano-separation agent |
| 09/24/2008 | CN101269843A Method for preparing iron oxide nano-wire |
| 09/24/2008 | CN101269842A Method for preparing BiFeO3 nano-particle and fine particle |
| 09/18/2008 | US20080222881 Method of producing active material for lithium secondary battery, method of producing electrode for lithium secondary battery, method of producing lithium secondary battery, and method of monitoring quality of active material for lithium secondary battery |
| 09/17/2008 | CN101264941A Method for preparing ferroso-ferric oxide nano-tube by reduction process |
| 09/17/2008 | CN101264940A Method for preparing ferroso-ferric oxide nano-ring by reduction process |
| 09/17/2008 | CN101264939A Method for preparing gamma-ferroso-ferric oxide nano-tube by oxidation process |
| 09/17/2008 | CN101264938A Method for preparing gamma-ferroso-ferric oxide nano-ring by oxidation process |
| 09/17/2008 | CN101264937A Method for preparing alpha-ferroso-ferric oxide nano-ring by non-template process |
| 09/17/2008 | CN101264936A Method for preparing alpha-ferroso-ferric oxide nano-tube by non-template process |
| 09/17/2008 | CN100419099C A method for precipitating iron from a zinc sulphate solution as hematite |
| 09/17/2008 | CN100418891C Producing method of iron oxide yellow pigment |
| 09/17/2008 | CN100418890C Method for preparing potassium ferrate by using waste liquid from acid washing steel |
| 09/16/2008 | US7425234 Iron oxide pigments |
| 09/11/2008 | US20080220531 Metal oxide nanoparticles comprising micelle forming and capture moieties for use in encapsulation of diagnostic targets |
| 09/10/2008 | EP1643493B1 Powder for lower layer of application type of layered magnetic recording medium and magnetic recording medium using the same |
| 09/10/2008 | CN101259970A Process for preparing patina |
| 09/10/2008 | CN100418252C Preperative method for ferrous phosphate radical lithium salt of lithium ion secondary cell active material |
| 09/04/2008 | WO2008105490A1 Compound having olivine-type structure, positive electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery |
| 09/03/2008 | EP1963228A2 Process for preparing pulverulent solids |
| 09/03/2008 | EP1963010A1 Metal nitrate conversion method |
| 09/03/2008 | CN101256867A Torispherical highly saturated magnetization intensity magnetic powder and method of preparing the same |
| 09/03/2008 | CN101254951A Method for reclaiming ferric oxide from coal ash and coal gangue |
| 09/03/2008 | CN100415665C Comprehensive utilization method of titanium white waste acid |
| 09/03/2008 | CN100415653C Preparation process of nanometer spinel type ZnFe2O4 |
| 08/28/2008 | WO2008073925A3 Preparation of iron or iron oxide nanoparticles |
| 08/28/2008 | US20080206127 Reacting a metallurgical composition, e.g., scrap iron from steel refining, furnace dust, with an aqueous nitric acid solution at high temperature and high pressure to dissolve nonferrous metal; leaching, precipitating pure solid ferric oxide; controllng the particle size by temperature and seeding ratio |
| 08/28/2008 | US20080206125 Catalyst System for a Multi-Walled Carbon Nanotube Production Process |
| 08/28/2008 | US20080206124 Method of producing nano-scaled graphene and inorganic platelets and their nanocomposites |
| 08/27/2008 | EP1961704A1 Black magnetic iron oxide particles |
| 08/27/2008 | CN101249987A Method for synthesizing polymeric ferric sulphate |
| 08/26/2008 | US7417078 Heat generating electronics which, when operated, generate heat, attain a temperature higher than room temperature; heat exchangers and printed circuits |
| 08/20/2008 | EP1957408A1 A process for the production of titanium products |
| 08/20/2008 | CN101244844A Method for manufacturing nano-ferrous acid in supercritical water |
| 08/20/2008 | CN101244824A Method for producing silica aerogel |
| 08/14/2008 | WO2008065258A3 Method for recovering hydrochloric acid from iron chloride solution |
| 08/14/2008 | US20080193760 Metal oxide nano powder and manufacturing method of the same |
| 08/14/2008 | US20080193759 Surface-Modified Metal Oxides, Production Processes And Use Thereof In Cosmetic Praparations |
| 08/13/2008 | EP1697025B1 Addition of (a) blocking agent(s) in a ceramic membrane for blocking crystalline growth of grains during atmospheric sintering |
| 08/13/2008 | CN101239742A Method for extracting ultra-fine ferric oxide by using waste slag |
| 08/13/2008 | CN100411071C Ferrite magnetic powder and method for production thereof |
| 08/13/2008 | CN100410170C Method for preparing iron carbide using iron ore concentrate powder |
| 08/12/2008 | US7410625 Process of making metal containing iron oxide and iron sulfide based nanoparticle materials |
| 08/12/2008 | US7410536 Oxidation-stable iron oxide pigments, process for preparing them and their use |
| 08/07/2008 | WO2008094841A1 A dehydrogenation catalyst, process for preparation, and a method of use thereof |
| 08/07/2008 | WO2008092363A1 A method of preparing chromic oxide and ferrous oxalate from carbon ferrochrome |
| 08/07/2008 | WO2008074804A3 Magnetic nanoparticles for the application in hyperthermia, preparation thereof and use in constructs having a pharmacological application |
| 08/06/2008 | EP1951623A2 High purity magnetite formation process and apparatus, and product thereof |
| 08/06/2008 | CN101238061A Method and device of pure hydrogen generation from acidic solution |
| 08/06/2008 | CN101234751A Method for preparing nano material by flame combustion |
| 08/06/2008 | CN101234750A Method of preparing superfine micro-particle and nano granule |
| 08/06/2008 | CN100408704C Method for producing nano-magnetic FeO particle by iron extracted and utilized in tin tails |
| 08/05/2008 | US7407588 Method of using stable adsorber granules to remove pollutants from flowable media |
| 08/05/2008 | US7407527 Synthesis of mono-disperse and highly crystalline nano-particles of metals, alloys, metal-oxides, and multi-metallic oxides without a size-selection process |
| 08/05/2008 | CA2384664C Stable ferric arsenate precipitation from acid copper solutions whilst minimising copper losses |
| 07/31/2008 | WO2008065279A3 Method for preparing alkali metal ferrates |
| 07/31/2008 | US20080181843 Solid-state synthesis of iron oxide nanoparticles |
| 07/30/2008 | CN101229932A Method for synthesizing iron pentacarbonyl with middle pressure |
| 07/30/2008 | CN101229931A Method for preparing nano Fe3O4 |
| 07/30/2008 | CN101229919A Method for preparing inorganic porous material by using wood cell as template |
| 07/29/2008 | US7404937 Comprises tubular reactor with continuous serpentine path; comprises pretreated feedstock including ilmenite, leueoxene, or titania slag leached with hot hydrochloric acid |
| 07/23/2008 | EP1947055A1 Methods for making metal-containing nanoparticles of controlled size and shape |