| Patents for C01G 49 - Compounds of iron (8,643) |
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| 11/08/2001 | WO2001083396A1 Substituted barium titanate and barium strontium titanate ferroelectric compositions |
| 11/08/2001 | CA2404377A1 Tunable devices incorporating bicu3ti3feo12 |
| 11/08/2001 | CA2403894A1 Substituted barium titanate and barium strontium titanate ferroelectric compositions |
| 11/07/2001 | CN1321321A Magnet powder and method for preparation thereof |
| 11/01/2001 | WO2001081255A1 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 11/01/2001 | US20010036895 Miixng powders; electrical resistance |
| 10/31/2001 | EP1150310A1 Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
| 10/31/2001 | CN1319905A Lithium mixed oxide coated grain and preparation method |
| 10/31/2001 | CN1319877A Magnetic core for induction coil, illumination device using same and multicrystal ferrite |
| 10/31/2001 | CN1319851A Oxidate magnetic material, winding element using same and method for producing oxidate magnetic material and winding element |
| 10/30/2001 | US6309479 Coercive force distribution; oxidation resistance |
| 10/25/2001 | WO2001080337A1 Positive electrode active material for secondary cell, method for producing the same and nonaqueous electrolyte secondary cell comprising the same |
| 10/23/2001 | US6306201 Bivalent iron compounds |
| 10/18/2001 | WO2001077024A1 CHEMICAL-PRESSURE TAILORING OF LOW-FIELD, ROOM TEMPERATURE MAGNETORESISTANCE IN (Ca, Sr, Ba) Fe0.5Mo0.5O¿3? |
| 10/18/2001 | US20010031240 Process for the production of iron oxide and its use |
| 10/17/2001 | EP0783456B1 Process for the realization of endothermic decomposition of pyrites, producing gases and solid residues |
| 10/17/2001 | CN1317808A Mn-Zn ferrite mfg. tech. Mn-Zn ferrite and ferrite magnetic core for power source |
| 10/16/2001 | US6303091 When a raw material is calcined in hydrogen halide or chlorine gas, metal oxide containing less agglomerated particles and having a narrow particle size distribution and a uniform particle shape is obtained |
| 10/16/2001 | US6302952 Low temperature aqueous slurry reaction in which the hematite is contacted with a soluble source of fe(ii) ions in the presence of a soluble source of fe(iii) ions in an aqueous alkaline medium to convert the same to fe3o4. |
| 10/11/2001 | WO2001074484A2 Transition metal carbides, nitrides and borides and their oxygen containing analogs useful as water gas shift catalysts |
| 10/11/2001 | US20010028051 Oxide magnetic materials, chip components using the same, and method for producing oxide magnetic materials and chip components |
| 10/10/2001 | EP0707323B1 Ferrite and ferrite core for switching power source |
| 10/09/2001 | US6300009 Lithium secondary battery |
| 10/09/2001 | US6299973 Acicular hematite particles having a low sodium content and their use in a magnetic recording medium |
| 10/04/2001 | US20010025944 High electrical resistivity and initial permeability stoichiometrically comprising oxides of iron, zinc, manganese; soft magnetism oxide material inductance, impedance elements for electromagnetic imaging countermeasures |
| 10/04/2001 | EP1138649A2 Mn-Zn ferrite and production process thereof |
| 10/04/2001 | EP1138648A2 Mn-Zn ferrite and production process thereof |
| 10/03/2001 | CN1315920A Process for synthesizing metal oxides and metal oxide having perovskite or perovskite-like crystal structure |
| 10/02/2001 | US6296791 Reusing powder containing ferric and zinc oxide along with titanium dioxide and/or tin dioxide; pressing, adjustment to form green compact; sintering; waste recycling |
| 09/27/2001 | WO2001070632A1 Titanium-iron based composite oxide pigment and method for production thereof |
| 09/27/2001 | US20010024754 Positive electrode material and battery for nonaquous electrolyte secondary battery |
| 09/27/2001 | US20010024741 Magnetic recording medium |
| 09/27/2001 | US20010023933 Magnetoplumbite-type crystal structure; isotropic ferrite composition by calcination; finely pulverized and heat-treated metal compounds substitutions for stronium and/or barium; high performance use rotors, photocopiers |
| 09/27/2001 | DE10014884A1 Beschichtete Lithium-Mischoxid-Partikel und ein Verfahren zu deren Herstellung Coated lithium mixed oxide particles and a process for their preparation |
| 09/26/2001 | EP1137051A1 Induction coil core, illumination unit using the same and polycrystalline ferrite |
| 09/26/2001 | EP1136460A1 Mn-Zn Ferrite and production process thereof |
| 09/26/2001 | EP1136446A2 Coated lithium-mixed oxide particles and method for preparation |
| 09/26/2001 | EP1135336A1 Materials for solid-state gas sensors |
| 09/24/2001 | CA2342077A1 Coated lithium mixed oxide particles and a process for producing them |
| 09/20/2001 | US20010022354 Ferrite |
| 09/19/2001 | EP1134202A1 Mn-Zn ferrite and production process thereof |
| 09/19/2001 | CN1313609A Oxidized magnetic material, sheet components therewith and production thereof |
| 09/13/2001 | WO2001067182A1 Method for preparation of iron-based powder and iron-based powder |
| 09/13/2001 | WO2001066468A1 Method for producing lithium manganese composite oxide and lithium cell using said lithium manganese composite oxide |
| 09/13/2001 | US20010021366 Hydrogen chloride scavenger |
| 09/13/2001 | DE19963599A1 Production of metal-doped alumina, e.g. useful for making catalysts, comprises calcining an ion-exchanged ammonium dawsonite precursor |
| 09/13/2001 | DE10010940A1 Production of iron oxide yellow, useful for pigmenting building material, e.g. concrete, or plastics or as disperse dye, involves adding iron-II sulfate or chloride solution to alkaline solution and oxidation under specified conditions |
| 09/12/2001 | EP1132488A1 Installation with cooled crystallisers and method for operating the installation |
| 09/12/2001 | EP1132343A2 Process for the preparation of iron oxide and its use |
| 09/12/2001 | EP1131381A1 Process for hydrophobicizing particles, and their use in polymer dispersions |
| 09/12/2001 | EP1131380A1 Process for treating particles, and their use in dispersions |
| 09/12/2001 | EP1131379A1 Process for hydrophobicizing particles, and their use in dispersions |
| 09/12/2001 | CN1312225A Method for producing iron oxide and use of same |
| 09/12/2001 | CN1312224A Liquid phase synthesis process of producing nanometer iron oxide red |
| 09/11/2001 | US6287432 Using oxygen; forming synthesis gas |
| 09/06/2001 | US20010018989 Polycrystalline microstructure solid electrolytes having heat and chemical resistance, used in electrical and electronic apparatus such as fuel cells and detectors |
| 09/06/2001 | CA2338913A1 Process for the production of iron oxide and its use |
| 09/05/2001 | EP1130663A1 Positive electrode material for battery and nonaqueous electrolyte secondary battery |
| 09/05/2001 | CN1070459C Composition oxide having oxygen absorbing and desorbing capability and method for preparing same |
| 09/04/2001 | US6284150 Oxides of iron, strontium, barium, rare earth metals, cobalt, manganese, nickel, zinc; high-performance; useful for rotors, magnet rolls for electromagnetic developing-type printers and photocopiers, audio speakers, buzzers |
| 08/30/2001 | WO2001028929B1 Method for production of iron oxide pigments |
| 08/30/2001 | US20010017363 Mn-Zn ferrite and production process thereof |
| 08/28/2001 | US6280649 Method of producing precipitated magnetites |
| 08/23/2001 | US20010016284 Positive active material for rechargeable lithium battery and method of preparing same |
| 08/23/2001 | US20010016270 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium |
| 08/22/2001 | EP1126480A1 Magnet powder and method for preparation thereof |
| 08/22/2001 | EP1125893A1 Ion Conductor |
| 08/22/2001 | EP0980287B1 Process for regulating a circulating fluidised bed and use of the process |
| 08/22/2001 | CN1309811A High performance iron-rare earth-boron-refractory-cobalt nanocomposites |
| 08/21/2001 | US6277354 Total energy and reactant mass flow are managed to minimize the build up of deposits of solids on the reactor walls and maximize the conversion of the metal chlorides to metal oxides and chlorine. |
| 08/15/2001 | CN1308021A Metal oxide solid solution with high type number ratio and its preparation |
| 08/15/2001 | CN1069779C Cobalt-containing magnetic iron oxide and process for producing the same |
| 08/09/2001 | WO2001056929A1 Process for stripping chlorides from raw metal oxide particles |
| 08/09/2001 | DE10002232A1 Production of a ceramic mixed oxide used in capacitors comprises preparing a powder of at least two metals, mixing the powder to form a metal powder mixture, and heating in the oxygen-containing atmosphere |
| 08/08/2001 | EP1121477A1 Electrochemical production of amorphous or crystalline metal oxides with particle sizes in the nanometer range |
| 08/07/2001 | US6271269 Organic colloidal dispersions of acidic metal values |
| 08/07/2001 | US6270925 Cycle life; electricity |
| 08/07/2001 | US6270738 Process for preparing usable products from an impure ferric sulfate solution |
| 08/02/2001 | WO2001056043A1 Soft magnetic powder and composite magnetic material using the same |
| 07/26/2001 | WO2001054212A1 Lithium-based electrochemically active materials and preparation thereof |
| 07/26/2001 | WO2001053206A1 Ferrous chloride conversion |
| 07/26/2001 | WO2001053198A1 Preparation of lithium-containing materials |
| 07/26/2001 | US20010009728 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium |
| 07/26/2001 | CA2397820A1 Ferrous chloride conversion |
| 07/25/2001 | EP1118383A1 Perovskite oxidation catalysts and the process for their preparation |
| 07/24/2001 | US6265021 Laminar layered structure |
| 07/18/2001 | EP1115660A1 Solid-state gas sensors and compounds therefor |
| 07/12/2001 | WO2001049901A1 Regenerating spent pickling liquor |
| 07/12/2001 | WO2001049405A1 Aqueous colloidal dispersion based on at least a metal compound and a complexing agent, preparation method and use |
| 07/12/2001 | CA2396452A1 Regenerating spent pickling liquor |
| 07/11/2001 | CN1303111A Powder for making magnetic ferrite, magnetic ferrite, multilayer ferrite element and its making method |
| 07/10/2001 | US6258259 Liquefaction of coal or heavy-oil hydrocracking bycontacting coal or heavy-oil with catalyst comprising primary particles obtained by disaggregating secondary particles of iron sulfide |
| 07/05/2001 | WO2001047815A1 Novel aqueous composition and use of the same |
| 07/05/2001 | CA2395626A1 Novel aqueous composition and the use thereof |
| 07/04/2001 | EP0984826B1 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas |
| 07/04/2001 | CN1067962C Process for producing poly iron chloride sulphohydrocarbon |
| 07/03/2001 | US6254847 Metal hydroxide solid solution, metal oxide solid solution and processes for their production |
| 06/28/2001 | DE19960867A1 Synthese von Übergangsmetall-Aluminaten mit hohen spezifischen Oberflächen durch Kristallisation aus Übergangsmetall-haltigen Alumosilicaten Synthesis of transition metal aluminates with high specific surface areas by crystallization from transition metal-containing aluminosilicates |
| 06/27/2001 | EP1109667A1 Oxygen scavenging compositions and methods for making same |
| 06/27/2001 | CN1300714A Process for preparing manganese compound from fume and its afterheat |