Patents for C01G 49 - Compounds of iron (8,643)
06/2003
06/24/2003US6583699 Magnetic material and inductor
06/24/2003US6582852 Doped intercalation compound suitable for cathode material in electrochemical cells for lithium and lithium-ion batteries
06/18/2003CN1425205A Lithium-based electrochemically active meterials and preparation thereof
06/18/2003CN1424987A Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step
06/18/2003CN1424980A Preparation of lithium-containing materials
06/18/2003CN1111447C Multimetal oxide material used for gas phase catalyzing and oxidizing of organic compound
06/12/2003US20030109589 Nanometric type wherein the mean colloidal particle diameter is not more than 6 nm, said dispersion comprising: (1) at least a metal M compound, said metal M being a majority metal in the dispersion, selected among the group consisting of
06/12/2003US20030108793 Cathode compositions for lithium ion batteries
06/12/2003US20030108723 Mixed oxide inorganic pigments dispersed in a substrate which is irradiated by a laser to provide a contrasting mark
06/11/2003EP1318103A2 Iron particles for purifying contaminated soil or ground water
06/11/2003EP1317514A1 Method for producing an iron oxide nucleus containing aluminium
06/11/2003EP1317513A1 Method for producing an iron oxide nucleus containing aluminium
06/11/2003EP1317319A1 Mixed conducting membranes for syngas production
06/10/2003US6576169 Production process of Mn-Zn ferrite
06/10/2003US6576037 Pre-alloyed metal powder consisting essentially of tungsten and/or molybdenum, at least one transition metal selected among iron, cobalt, nickel and copper, and optionally at least one additive, the iron content being a given concentration
06/05/2003US20030104240 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
06/05/2003US20030104239 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
06/05/2003US20030102951 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
06/05/2003US20030101850 Solid combustion; high temperature gas flow
06/04/2003CN1421393A Prepn process of liquid polymerized ferric sulfate by means of oxidizing catalyst
06/04/2003CN1421392A Prepn process of nanometer granular Fe3O4
05/2003
05/28/2003EP1314697A1 Ferrite material
05/27/2003US6569530 Magnetic recording medium and magnetic composite particles or magnetic recording medium
05/27/2003US6569397 Very high purity fine powders and methods to produce such powders
05/27/2003CA2047841C Metal-magnesium compounds, process for preparing same and the use thereof for the preparation of finely divided metal and alloy powders and intermetallic compounds
05/22/2003WO2003042106A1 Method for preparing alkali metal ferrates and novel alkali metal ferrate granules
05/22/2003CA2467272A1 Method for preparing alkali metal ferrates and novel alkali metal ferrate granules
05/14/2003EP1310545A1 Fuel modifier
05/14/2003CN1418174A Lithium containing composite oxide and monaqueous secondary ceil using the same and method for manufacturing the same
05/14/2003CN1417129A Nano magnetic powder produced with waste pickler and waste iron scale and its production process
05/13/2003US6562533 Magnetites and their use in producing toners
05/08/2003WO2003037490A1 A solid multicomponent mixed proton and electron conducting membrane
05/07/2003EP1309021A2 Lithium-based electrochemically active materials
05/07/2003CN1416190A Chemical compound batteries with embedded lithium ferrate-lithium
05/07/2003CN1415551A Method for preparing iron oxide black by using dregs of iron mud produced in chemical production with technique of reduction method of titanium powder
05/06/2003US6558807 Oxide magnetic material, coil components using the same, and method for producing oxide magnetic materials and coil components
05/06/2003US6558566 Oxide magnetic materials, chip components using the same, and method for producing oxide magnetic materials and chip components
05/02/2003EP1305113A1 Photocatalytic film of iron oxide, electrode with such a photocatalytic film, method of producing such films, photoelectrochemical cell with the electrode and photoelectrochemical system with the cell, for the cleavage of water into hydrogen and oxygen
05/02/2003EP1051447B1 Process for the production of black iron oxide pigments
05/01/2003US20030082452 Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same
05/01/2003US20030082098 Combining lithium oxide with a second oxide at room temperature; crystallites substantially of a nanometer dimension
05/01/2003US20030080315 Garnet ferrite for low-insertion-loss non-reciprocal circuit, method for preparing the same, and non-reciprocal circuit device including the same
04/2003
04/30/2003CN1414576A Garnet ferrite and manufacture method and garnet ferrite irreversible element
04/30/2003CN1107355C Electrochemical process for oxidizing gas capable of reacting with oxygen
04/24/2003WO2003033432A1 Economical ferrite-type magnets with enhanced properties
04/24/2003WO2003033407A1 Iron oxide particles and method for production thereof
04/24/2003WO2003033159A1 Magnetic particles
04/24/2003US20030077514 Battery containing lithium phosphate compound
04/24/2003US20030075510 Purification via hyperstoichiometric addition of sodium sulfide, adhesion, filtration, then precipitation
04/23/2003EP1304164A1 Process for the production of mixed metal oxide containing catalysts
04/23/2003EP1135336B1 Materials for solid-state gas sensors
04/23/2003EP0862537B1 Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis
04/23/2003CN1413172A Novel aqueous composition and use of the same
04/23/2003CN1411907A Method for preparing catalyst containg iron oxide
04/17/2003WO2003031323A1 Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process
04/17/2003US20030073574 Process for the production of iron oxide containing catalysts
04/17/2003US20030073001 Reacting lithium source; a metal source having a metal and a titanium compound, a zirconium compound, or a mixture of titanium and zirconium compound; in the presence of reducing carbon to produce lithium mixed metal compounds
04/16/2003EP1301436A2 Methods of synthesizing an oxidant and applications thereof
04/15/2003US6547984 Mn-Zn ferrite and production process thereof
04/10/2003WO2003030283A1 Lithium cell based on lithiated transition metal titanates
04/10/2003US20030068553 Complex oxides, oxide-ion conductors, oxide-ion conducting films and electrochemical cells
04/09/2003EP1300365A2 Complex oxides, oxide-ion conductors, oxide-ion conducting films and electrochemical cells
04/09/2003EP1121477B1 Electrochemical production of amorphous or crystalline metal oxides with particle sizes in the nanometer range
04/08/2003US6544673 Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same
04/08/2003US6544404 Oxygen separation process
04/08/2003CA2009143C Method of processing acidic fe-containing solutions
04/02/2003CN2542653Y Device for producing iron oxide pigment using sulfurous iron cinder
04/02/2003CN1406874A Manufacture of granular hematite corpuscle
04/02/2003CN1406873A Granular hematite corpuscle manufacture
04/01/2003US6542299 Material for bismuth substituted garnet thick film and a manufacturing method thereof
04/01/2003US6540824 Yellow color inorganic pigment complex contains a pseudo-brookite complex oxide, produced by dry milling and calcining; for use in coloring plastics, ceramics, coating compositions
03/2003
03/27/2003US20030059603 In nonmagnetic matrix; pyrolysis, spraying, oxidation of an organometallic compound
03/27/2003US20030056819 For thermoelectric generator/refrigerators; mixed metal sulfides, selenides or tellurides having a CdI2 analogous layer structure
03/26/2003EP1295851A1 Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same
03/26/2003EP1208063B1 Process for the recovery of chlorine from iron chlorides
03/25/2003US6537612 Process for treating particles, and their use in dispersions
03/20/2003WO2003022954A1 Method for producing ultraviolet absorbing material
03/20/2003US20030054250 Redox systems
03/20/2003US20030052300 Mixing oxides, carbonates or hydroxides of main and substituted raw materials, roasting to form a clinker, wet grinding, concetrating and compresing the particles in an orientation magnetic field, shaping and sintering
03/20/2003US20030051636 Process for producing granular hematite particles
03/19/2003EP1293994A2 Transformer with ferrite core and method for driving it
03/19/2003EP1293480A1 Process for producing granular hematite particles
03/19/2003CN1404076A Ferrite core and producing method thereof
03/18/2003US6534068 Iron oxide and silicon dioxide-titanium dioxide mixed oxide
03/18/2003US6534032 Process for the production of yellow iron oxide
03/18/2003US6533956 Ferric oxide, cupric oxide, zinc oxide, magnesium oxide and optionally nickelous oxide; less deterioration of magnetic characteristic to stress; enabling low temperature sinter-ing with silver metal or alloy; electrodes
03/13/2003US20030049490 Ferromagnetism powders in binder
03/12/2003EP1289880A1 Method for producing fine-grained solids and/or for depositing layers of poorly soluble compounds
03/12/2003CN1402894A 微波吸收结构 Microwave absorbing structure
03/11/2003US6530987 Method for producing iron oxide pigments from waste acid resulting from TiO2 production
03/06/2003US20030042470 Controlling firing, cooling
03/05/2003EP0971692B1 Specific magnetosome, method for the production and use thereof
03/05/2003CN1102485C High density ferrite substrate, and beads composite used for mfg. same
03/04/2003WO2002020674A1 Method for producing an iron oxide nucleus containing aluminium
03/04/2003US6528033 Novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and
03/04/2003US6527975 Aluminum, magnesium, potassium and iron oxide concentrate obtained from natural deposits
03/04/2003CA2421245A1 Method for producing an iron oxide nucleus containing aluminium
02/2003
02/27/2003WO2003016218A1 Layered titanic acid, lamellar titanic acid, lamellar titanium oxide and method for producing lamellar titanic acid
02/27/2003US20030038273 For use as a core for an inductor, transformer, or coil for radios, televisions, communication devices, office automation equipment, switching power sources, and other electronic apparatus or magnetic heads for video or disk drives
02/27/2003US20030037705 Titanium dioxide powder which contains iron oxide
1 ... 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 ... 87