| Patents for C01G 49 - Compounds of iron (8,643) |
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| 12/21/2000 | CA2372529A1 Process for the recovery of chlorine from iron chlorides |
| 12/20/2000 | EP1060789A2 Continuous procedure for manufacture of powdered materials by combustion and reactor for the realisation thereof |
| 12/20/2000 | CN1277727A Manganese-zinc ferrite and method to producing the same |
| 12/20/2000 | CN1277271A double-doped lithium niobate crystsal |
| 12/19/2000 | US6162530 Solution with starting solution, coatomizing solutions, heat treatment and treatment with ultrasound waves |
| 12/14/2000 | WO2000075071A1 Method of manufacturing metal oxides |
| 12/12/2000 | US6159637 Charge-discharge capacity, cycle characteristics, thermal stability |
| 12/12/2000 | US6159435 Leaching of mineral ores |
| 12/07/2000 | WO2000073209A1 METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF NaAlCl4 OR NaFeCl¿4? |
| 12/06/2000 | CN1275533A Method for production of high-purity ferrous sulfate monohydrate |
| 11/30/2000 | WO2000071465A1 Redispersable metal oxides and hydroxides with particle sizes in the nanometric size range |
| 11/30/2000 | DE19924495A1 Verfahren und Vorrichtung zur kontinuierlichen Herstellung von NaDCI¶4¶ Method and apparatus for the continuous production of NaDCI¶4¶ |
| 11/29/2000 | EP1056072A1 Underlayer powder for coating-type magnetic recording media and process for producing the same |
| 11/29/2000 | CN1058921C Lasser gas-phase synthesis of gamma ferric oxide nanometer micropowder |
| 11/28/2000 | US6153296 Containing zirconium of 0.05 to 30% by weight, calculated as zr, based on the total weight of the particles, and containing not more than 300 ppm of soluble sodium salt, calculated as na and not more than 150 ppm of soluble sulfate |
| 11/28/2000 | US6153167 Generation of metal-carbonyl standards for the calibration of spectroscopic systems |
| 11/23/2000 | DE19923625A1 Production of redispersible metal (hydr)oxide nanoparticles, especially magnetic metal oxide for ferrofluid, involves precipitation from aqueous metal salt solution with base in presence of polymeric carboxylic acid |
| 11/23/2000 | DE19917786A1 Production of red, black or yellow iron oxide pigment, useful in e.g. concrete, paint, lacquer or polymer, involves precipitation from aqueous iron salt solution with alkaline substance and hydrothermal treatment |
| 11/22/2000 | EP1053975A1 Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic iron-based alloy particles, and process for producing the same |
| 11/22/2000 | EP1053208A1 Removal of iron chloride from chlorination dust |
| 11/21/2000 | US6150290 Ceramic material for use in the separation of oxygen from gas mixture |
| 11/21/2000 | CA2106117C Ceric oxide based composition, its preparation and its utilisation |
| 11/15/2000 | EP1052716A2 Positive electrode active material, positive electrode active material composition and lithium ion secondary battery |
| 11/15/2000 | EP1052658A1 Ferrite magnet powder and magnet using said magnet powder, and method for preparing them |
| 11/15/2000 | EP1051447A1 Process for the production of black iron oxide pigments |
| 11/14/2000 | CA2308346A1 Positive electrode active material, positive electrode active material composition and lithium ion secondary battery |
| 11/07/2000 | US6143194 Combining magnetite particles consisting of magnetic iron oxide having specific luminance and color cast with one or more oxides, hydroxides and hydrated oxides of lithium, potassium, sodium, alkaline earth metals, zinc and manganese |
| 11/02/2000 | EP1048619A1 Process for producing magnetite |
| 11/02/2000 | DE19919791A1 Verfahren zur Herstellung von Fällungsmagnetiten A process for preparing precipitated magnetites |
| 10/31/2000 | US6140001 Iron oxide microparticles and a process for producing them |
| 10/24/2000 | US6136048 Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis |
| 10/19/2000 | WO2000061496A1 White powder and method for production thereof |
| 10/19/2000 | CA2372082A1 White powder and method for producing the same |
| 10/18/2000 | EP1044933A2 Ingredient for metal oxide thin film and method for forming metal oxide thin film by using the same |
| 10/18/2000 | EP1044926A2 Strontium iron oxide particle powder and process for producing the same |
| 10/18/2000 | CN1270526A Metal compounds, mixed or sulphated as phosphate binders |
| 10/11/2000 | EP1043287A1 Process for producing Mn-Zn ferrite |
| 10/11/2000 | EP1043286A1 Process for producing Mn-Zn ferrite |
| 10/11/2000 | EP1042523A1 Micronic pre-alloyed metal powder based on three-dimensional transition metal |
| 10/11/2000 | EP1042520A1 Metal powders based on tungsten and/or molybdenum and three-dimension metals |
| 09/27/2000 | CN1267640A Preparation of high-purity superfine electron-level ferric oxide powder |
| 09/26/2000 | US6124022 Particles have specified bet surface area, average major axis diameter and standard deviation of axis diameters; magnetic recording medium having a low light transmittance, smooth surface, high mechanical strength and excellent durability |
| 09/21/2000 | DE19910881A1 Production of iron oxide powder useful e.g. as pigment and in magnetic materials comprises calcining a solution of precipitated iron hydroxide, spray drying, and converting to product in a thermal short-term reaction |
| 09/20/2000 | CN2397098Y Accelerating oxidation propeller |
| 09/20/2000 | CN1266819A Flocculant of polyiron chloride prepared from waste hydrochloric acid as pickling liquid of iron and steel and its preparing process |
| 09/20/2000 | CN1266818A Process for preparing high-concentration stable polyiron chloride |
| 09/19/2000 | US6120898 Acicular hematite particles containing aluminum uniformly within the particle, ph not less than 8, and low specified amounts of soluble sodium salts, and soluble sulfates; dispersibility; prevents corrosion of the magnetic particles |
| 09/13/2000 | EP1035075A1 Novel process for preparing spinel type lithium manganese composite oxide and cathode active material for rechargeable battery |
| 09/13/2000 | EP1034136A1 Treatment of a solution containing iron salts |
| 09/12/2000 | US6117228 Pure-colored, low silking, obtained by oxidation of metallic iron with nitrobenzene in an acid medium in the presence of group 3 or 4 compounds; used for colouring building materials, paints, plastics and paper |
| 09/05/2000 | US6113843 Process for preparation of oxide magnetic compact |
| 08/31/2000 | WO2000050345A2 Mineral oxide liquid concentrates for water and wastewater treatment |
| 08/30/2000 | CN1264617A Multimetal oxide material used for gas phase catalyzing and oxidizing of organic compound |
| 08/24/2000 | WO2000048939A1 Precipitation process |
| 08/24/2000 | CA2362590A1 Precipitation process |
| 08/23/2000 | EP1030318A1 Manganese-zinc ferrite and method for producing the same |
| 08/15/2000 | US6103437 Magnetic toner particles comprising magnetite particles containing silicon |
| 08/15/2000 | US6103422 A lithium manganese oxide particle and surface coatings comprising additional at least one nonmanganese metal element selected from the group consisting of aluminum, magnesium, vanadium, chromium, iron, cobalt, nickel, and zinc |
| 08/09/2000 | CN1262227A Process and equipment for preparing PFS and ferrite yellow by catalytic oxidization of coal-line troilite ore |
| 08/08/2000 | US6100215 Process for producing particulate iron-antimony containing oxide composition having high compressive strength |
| 08/08/2000 | US6099957 Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same |
| 08/08/2000 | CA2197664C Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
| 07/25/2000 | US6093234 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
| 07/18/2000 | US6090743 Finely divided particulates of at least one rare earth compound and, optionally, group iva, viia, viii, ib, iib, iiib or ivb compound(s); dispersible in water; low nitrate levels; use as exhaust system catalysts |
| 07/18/2000 | CA2174674C Process for the regeneration of sodium hydroxide from sodium sulfide |
| 07/13/2000 | WO2000041256A1 Electroactive material for secondary batteries and methods of preparation |
| 07/12/2000 | EP1017626A1 Method for treating waste stripping solutions |
| 07/12/2000 | EP0762930B1 Absorbent and process for removing sulfur oxides from a gaseous mixture |
| 07/11/2000 | US6086846 Use of synthetic, iron raw materials for preparing iron oxide pigments |
| 07/05/2000 | EP1015002A1 Metal compounds, mixed or sulphated, as phosphate binders |
| 07/05/2000 | EP0892834B1 Process for preparing agglomerate-free nanoscalar iron oxide particles with a hydrolysis-resistant coating |
| 07/04/2000 | US6083869 Method for preparing ammoxidation catalysts |
| 07/04/2000 | US6083476 Black ultrafine magnetite particles and process for preparing the same |
| 07/04/2000 | US6083474 Lithium-iron oxide particles and process for producing the same |
| 06/29/2000 | WO2000038181A1 Underlayer powder for coating-type magnetic recording media and process for producing the same |
| 06/29/2000 | DE19859687A1 Production of nanoscale maghemite powder involves precipitation from solution of ferrous and ferric sulfates in oxygen-free deionized water with sodium hydroxide, washing, acidification, quantitative oxidation and dialysis |
| 06/27/2000 | US6080510 Ternary mixed lithium oxides, process for preparing the same, and secondary lithium battery formed therefrom |
| 06/27/2000 | US6080233 Cobalt-containing iron oxide pigments, process for producing the same and magnetic recording medium containing the same |
| 06/27/2000 | US6080232 Spray-pyrolizing predried spinel-forming metal oxides, then separating resulting pigment from the pyrolysis gas |
| 06/22/2000 | WO2000035810A1 Dispersion of mineral particles stabilised by aluminium complexes |
| 06/21/2000 | CN1053645C Process for preparing ferric oxide products from ferrous chloride solution |
| 06/20/2000 | US6077453 An mn--zn ferrite in which the core loss is low and bs is high at high temperatures; a transformer capable of being small-sized and suitable to use at high temperatures |
| 06/14/2000 | CN1256785A Bonded magnet, magnet roll and ferrite powder to be used for their preparation, and method for producing the same |
| 06/08/2000 | DE19855913A1 Multimetalloxidmasse zur gasphasenkatalytischen Oxidation organischer Verbindungen Multimetal for gas-phase catalytic oxidation of organic compounds |
| 06/07/2000 | EP1005908A2 Multimetal oxide mass for gas phase oxidation of organic compounds |
| 06/07/2000 | CN1053165C Method for prodn. of high-purity iron oxide red by using ammonia-soda process |
| 06/06/2000 | US6071430 Nickel-zinc-copper material with cobalt substitution, particularly well suited to the making of magnetic cores and more specifically to the making of micro-inductors. |
| 06/02/2000 | WO2000031756A1 Ferrite magnet powder and magnet using said magnet powder, and method for preparing them |
| 06/02/2000 | WO2000031180A1 Process for hydrophobicizing particles, and their use in polymer dispersions |
| 06/02/2000 | WO2000031179A1 Process for treating particles, and their use in dispersions |
| 06/02/2000 | WO2000031178A1 Process for hydrophobicizing particles, and their use in dispersions |
| 05/31/2000 | CN1255106A Novel process for preparing spinel type lithium manganese composite oxide and cathode active material for rechargeable battery |
| 05/20/2000 | CA2254559A1 Process for hydrophobicizing particles, and their use in dispersions |
| 05/20/2000 | CA2254330A1 Process for hydrophobicizing particles, and their use in dispersions |
| 05/20/2000 | CA2254150A1 Process for treating particles, and their use in dispersions |
| 05/17/2000 | CN1253511A Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using autothermic reactor for producing synthesis gas |
| 05/16/2000 | US6063258 Production of hydrogen from water using photocatalyst-electrolysis hybrid system |
| 05/11/2000 | DE19947552A1 Continuous production of ferrous chloride solution involves reacting granular steel scrap or other iron alloy with dilute hydrochloric acid in trickle bed reactor |
| 05/10/2000 | EP0999185A1 Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main component |
| 05/10/2000 | CN1052268C Element for electrochemical reactor or reactor cell |