| Patents for C01G 49 - Compounds of iron (8,643) |
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| 02/26/2003 | EP1286368A2 Ferrite core and its production method |
| 02/26/2003 | CN1399363A Active matter for battery and its prepn process |
| 02/20/2003 | WO2003015198A2 Cathode compositions for lithium ion batteries |
| 02/20/2003 | WO2003014251A1 Non-magnetic particles having a plate shape and method for production thereof, abrasive material, polishing article and abrasive fluid comprising such particles |
| 02/19/2003 | EP1284485A1 Superparamagnetic oxidic particles,their preparation process and application |
| 02/19/2003 | CN1397962A Magentic core and Mn-Zn base ferrite mixture for transformer and mfg. method thereof |
| 02/19/2003 | CN1101859C Fine metal powders based on tungsten and/or molybdenum and three-dimension transition metal |
| 02/13/2003 | WO2003012800A2 High power ultrasound reactor for the production of nano-powder materials |
| 02/13/2003 | US20030029728 Process to separate the vanadium contained in inorganic acid solutions |
| 02/12/2003 | EP1283519A1 Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same |
| 02/11/2003 | US6517802 Methods of synthesis for nanostructured oxides and hydroxides |
| 02/11/2003 | US6517693 Ion conductor |
| 02/06/2003 | US20030027703 Zero thermal expansion material and practical component parts making use of the same |
| 02/06/2003 | US20030026746 Low temperature salt forming |
| 02/05/2003 | EP1280941A1 Method for eliminating nickel ions and lead ions from ferrous salt solutions |
| 02/05/2003 | EP1280744A1 Substituted barium titanate and barium strontium titanate ferroelectric compositions |
| 01/30/2003 | WO2003008335A1 Recovery of titanium from titanium bearing materials |
| 01/30/2003 | US20030021985 Method for preparing spherical ferrite beads and use thereof |
| 01/30/2003 | US20030021747 Method for preparing hydrous iron oxide gels and spherules |
| 01/30/2003 | CA2457837A1 Recovery of titanium from titanium bearing materials |
| 01/29/2003 | EP1279651A2 Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same |
| 01/29/2003 | EP1279180A2 Tunable devices incorporating bicu3 ti3 feo12 |
| 01/29/2003 | EP0914683B1 Positive electrode for lithium battery |
| 01/28/2003 | US6511646 Chlorine and iron oxide from iron chloride; ferrous chloride to ferric chloride by reaction with chlorine, reacting the gaseous ferric chloride with oxygen, condensing unreacted ferric chloride onto iron oxide particles |
| 01/23/2003 | US20030017702 Photocatalyst and use thereof for decomposing chemical substance |
| 01/22/2003 | EP1277712A2 Zero thermal expansion material and practical component parts making use of the same |
| 01/21/2003 | US6508877 Adding an aluminum chloride, while stirring, to an iron II chlroide solution, heating this mixture to a specific precipitation temperature, adding precipitating agent then oxidizing the precipitated suspension with an oxidizing agent |
| 01/21/2003 | US6508290 Method of preparing an aluminum-containing iron oxide nucleus |
| 01/16/2003 | WO2003004417A1 An antioxidative aqueous solution of a ferrous halide and its preparing method |
| 01/16/2003 | US20030010255 Novel aqueous composition and use of the same |
| 01/15/2003 | EP1274655A1 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step |
| 01/15/2003 | EP1244600A4 Method of preparing metal containing compounds using hydrodynamic cavitation |
| 01/08/2003 | CN1389941A Method for making positive active material of chargeable lithium cell |
| 01/08/2003 | CN1389433A Single-crystal ceramic powder preparation method, single-crystal ceramic powder omd its composite material and electronic component |
| 01/07/2003 | US6504077 Radioactive contaminated oxide contacted with a diphosphonic acid solution to dissolve the oxide and produce a precipitate containing radioactive values; 1-hydroxyethane-1,1-diphosphonic acid, sodium formaldehydesulfoxylate reducing |
| 01/07/2003 | US6503316 Bismuth-containing laser markable compositions and methods of making and using same |
| 01/07/2003 | US6503315 Process for preparing iron oxide red pigments which comprises forming a suspension of haematite nuclei by reaction between dilute nitric acid and elemental iron at above 90 degrees C., converting the suspension of hematite nuclei to a pigment |
| 01/07/2003 | CA2101078C Regeneration of hydrochloric acid |
| 01/02/2003 | US20030003361 Positive electrode active material for non-aqueous electrolyte secondary battery |
| 01/02/2003 | EP1269267A1 Method for preparation of iron-based powder and iron-based powder |
| 01/01/2003 | CN1388794A 铁氧体材料 Ferrite materials |
| 01/01/2003 | CN1388067A Prepn of iron oxide black with side product of iron reduction process to prepare amino phenol |
| 12/27/2002 | WO2002103823A2 Cathode material for lithium rechargeable batteries |
| 12/26/2002 | US20020197533 Metal oxide containing multiple dopants and method of preparing same |
| 12/26/2002 | US20020197461 Method for manufacturing single crystal ceramic powder, and single crystal ceramic powder, composite material, and electronic element |
| 12/25/2002 | CN1386710A Process for preparing superfine iron oxide |
| 12/25/2002 | CN1386709A Process for preparing both superfine iron oxide and compound medium- and trace-element fertilizer from rejeted resource |
| 12/19/2002 | US20020193254 Mixing a metal containing solution with a precipitating agent to form a mixed solution that precipitates a product; passing the mixed solution at elevated pressure and at a velocity into a cavitation chamber, removing; separating |
| 12/19/2002 | US20020192556 Cathode material for lithium rechargeable batteries |
| 12/19/2002 | US20020192152 Positive electrode active material for secondary cell, method for producing the same and nonaqueous electrolyte secondary cell comprising the same |
| 12/19/2002 | US20020192148 Method of preparing positive active material for rechargeable lithium batteries |
| 12/19/2002 | DE10129307A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide |
| 12/19/2002 | DE10129306A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide |
| 12/19/2002 | DE10129304A1 Filtration unit for removing pollutants from fluids, especially water, comprises agglomerates of finely divided iron oxide and oxyhydroxide |
| 12/18/2002 | CN1385362A Technology and apparatus for recovering metal oxide |
| 12/18/2002 | CN1096421C Organic sol dispersnat comprising at least one oxygenated rare-earth compound, synthesis method therfor and use of said sol for catalysis |
| 12/17/2002 | US6495059 Sintering ferrite material while blowing gas into furnace at specified flow rate to control amount of carbon contained in ferrite composition |
| 12/12/2002 | WO2002083569A3 Iron oxides with a higher degree of refining |
| 12/12/2002 | US20020188052 Barium ferrite filler; magnetic tapes |
| 12/12/2002 | US20020187889 Mixed oxide nanoparticles and apparatus for making same |
| 12/11/2002 | CN1384054A Reaction phase change process of producing nano material continuously |
| 12/11/2002 | CN1383830A Nano magnetite and its prepn |
| 12/11/2002 | CN1095809C Treatment of solution cintaining iron salts |
| 12/10/2002 | US6492290 Mixed conducting membranes for syngas production |
| 12/10/2002 | US6492016 Method for preparing spherical ferrite beads and use thereof |
| 12/04/2002 | EP1262450A1 Method for manufacturing single crystal ceramic powder, and single crystal ceramic powder, composite material, and electronic element |
| 12/04/2002 | EP1017626B1 Method for treating waste pickling solutions |
| 12/04/2002 | CN1382635A Process for preparing iron oxide black from iron sludge generated in iron powder reduction technology |
| 12/03/2002 | US6489613 Oxide thin film for bolometer and infrared detector using the oxide thin film |
| 12/03/2002 | US6488908 Spinel ferrite thin film and method of manufacturing the same |
| 12/03/2002 | US6488901 Part of the carrier gas is recovered, mixed with a propellant and returned to the bed; corrosive damages of the plant components and damages due to the precipitation of salts are largely avoided |
| 12/03/2002 | US6488739 Fluid flow over perovskite membrane coated with metal or metal oxide |
| 11/30/2002 | CA2387677A1 Method for manufacturing single crystal ceramic powder, and single crystal ceramic powder, composite material, and electronic element |
| 11/28/2002 | WO2002095772A1 Oxide magnetic material |
| 11/28/2002 | US20020175311 Nickel-copper-zinc based ferrite of given formula also containing bismuth, silicon, magnesium, and cobalt; good stress resistance, high strength; use in electronics as inductance component |
| 11/27/2002 | CN1094902C Method for preparing iron oxide crystal nucleus and method for preparing iron oxide yellow pigment thereof |
| 11/21/2002 | US20020171064 Mn-zn ferrite and production process thereof |
| 11/20/2002 | EP1258055A1 Microwave absorbing structure |
| 11/20/2002 | CN1380663A Soft magnetic hexagonal ferrite compound particle and porous plate and sintering ceramics |
| 11/19/2002 | US6482546 Rechargeable lithium battery |
| 11/19/2002 | US6481264 Materials for solid-state gas sensors |
| 11/14/2002 | WO2002090605A1 Acid digestion process for treating alumina-bearing ores to recover metal values therefrom |
| 11/14/2002 | US20020168523 Black magnetic iron oxide particles and magnetic toner |
| 11/12/2002 | US6478982 Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
| 11/07/2002 | US20020164502 Binder resin and magnetic composite particles coated with alkoxysilane, polysiloxanes or modified polysiloxanes, and phthalocyanine-based pigments |
| 11/06/2002 | WO2001086010A1 Method for eliminating nickel ions and lead ions from ferrous salt solutions |
| 11/06/2002 | CN1377833A Method for preparing super iron (VI) battery electrode material |
| 11/06/2002 | CN1093776C Recombined iron oxide |
| 11/06/2002 | CA2408356A1 Method for eliminating nickel ions and lead ions from ferrous salt solutions |
| 11/05/2002 | US6476112 Calcium-iron oxide composite particles |
| 10/31/2002 | WO2002085810A1 Method for the production of ferrite magnets |
| 10/31/2002 | US20020159946 Process and apparatus for the recovery of metal oxide particles |
| 10/31/2002 | US20020158737 Magnetic material and inductor |
| 10/30/2002 | EP1253113A1 Novel aqueous composition and use of the same |
| 10/30/2002 | EP1253112A1 Process and apparatus for recovering metal oxides |
| 10/30/2002 | EP1252671A1 Lithium-based electrochemically active materials and preparation thereof |
| 10/30/2002 | EP1252093A1 Preparation of lithium-containing materials |
| 10/25/2002 | CA2380136A1 Process and device for recovery of metal oxides |
| 10/24/2002 | WO2002083569A2 Iron oxides with a higher degree of refining |
| 10/24/2002 | US20020156721 Automated semi-deterministic trading system |