| Patents for C01G 49 - Compounds of iron (8,643) |
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| 07/16/2002 | US6419847 Mixed oxide containing strontium, rare earth oxide, iron and cobalt oxide |
| 07/11/2002 | WO2002054419A1 Oxide magnetic material exhibiting low magnetic loss |
| 07/11/2002 | US20020089402 Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof |
| 07/11/2002 | US20020088374 Process for producing yellow iron oxide pigments |
| 07/11/2002 | DE10103977C1 Titanium dioxide concentrate recovery, for use in production of rutile and pigments, by contacting ore containing titanium and iron with carbon in fluidized bed in presence of chlorine and oxygen |
| 07/09/2002 | US6416723 Method for reprocessing waste acid to form gypsum and iron oxide |
| 07/04/2002 | WO2002052585A1 Permanent magnet and method for preparation thereof |
| 07/04/2002 | US20020086214 Usable as electrode active materials; for use in batteries |
| 07/02/2002 | CA2059879C Waste treatment process |
| 06/27/2002 | WO2002002833A3 Preparation of pure ferric chloride from hydrochloric acid solutions by solvent extraction |
| 06/26/2002 | EP1217046A2 Black composite iron oxide pigment, and paint and resin composition using the same |
| 06/26/2002 | EP1064226B1 METHOD FOR PRODUCING IRON OXIDE PIGMENTS FROM WASTE ACID RESULTING FROM TiO2 PRODUCTION |
| 06/26/2002 | EP1064223B1 METHOD FOR REPROCESSING WASTE ACID RESULTING FROM TiO2 PRODUCTION |
| 06/26/2002 | CN1355770A White powder and method for production thereof |
| 06/26/2002 | CN1355138A Process for preparing nano material |
| 06/20/2002 | WO2002047811A1 Method for producing a sorption material that contains iron |
| 06/20/2002 | US20020077249 Contact and adsorbent granules |
| 06/20/2002 | US20020074292 Adsorption vessels |
| 06/18/2002 | US6406532 Titanium dioxide powder which contains iron oxide |
| 06/18/2002 | CA2117339C Use of vanadium oxide iron and/or aluminum bronzes as a cathode material in electrochemical generators |
| 06/13/2002 | WO2002046481A1 Method for the hydrolytic precitpitation of iron |
| 06/13/2002 | WO2002046107A1 Method for the recovery of iron from acidic, metal-contaminated water |
| 06/13/2002 | WO2002046102A1 Synthesis of lithium transition metal sulphides |
| 06/13/2002 | US20020070172 Contact and adsorbent granules |
| 06/11/2002 | US6403017 Process for producing Mn-Zn ferrite |
| 06/06/2002 | WO2000078403A9 Method for the decontamination of metallic surfaces |
| 06/05/2002 | EP0852569B1 Method for preparing ammoxidation catalysts |
| 06/05/2002 | CN1351963A Technological process for preparing iron oxide red from cyaniding gold extraction slag |
| 06/04/2002 | US6398977 Hollow shape perovskite; artificial high dielectric constant material; good workability; nondusting; electrical conductor for rubber or synthetic resin; made from aqueous solution of salts, dryig, calcining |
| 06/04/2002 | US6398863 Spindle-shaped hematite particles and process for making spindle-shaped hematite particles |
| 05/30/2002 | WO2002042214A1 Ferrite thin film for high frequency and method for preparation thereof |
| 05/30/2002 | US20020064498 Lithium-iron-manganese complex oxide having a layered rock-salt structure and production method thereof |
| 05/29/2002 | EP1209136A1 Production process of recycled Mn-Zn ferrite |
| 05/29/2002 | EP1209135A1 Production process of recycled Mn-Zn ferrite |
| 05/29/2002 | EP1208063A2 Process for the recovery of chlorine from iron chlorides |
| 05/29/2002 | CN1351358A Magnetic material and inducer |
| 05/29/2002 | CN1085625C Preparation of high-purity superfine electronlevel ferric oxide powder |
| 05/23/2002 | WO2002040404A1 Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same |
| 05/23/2002 | WO2001084561A3 Tunable devices incorporating bicu3ti3feo¿12? |
| 05/23/2002 | US20020061423 Magnetic recording medium, non-magnetic acicular composite particles and process for producing the particles |
| 05/23/2002 | US20020061285 Use as ultraviolet absorbers in cosmetics |
| 05/23/2002 | US20020061274 Mixing, milling and sintering lithium phosphate (Li3PO4), iron phosphate (Fe3(PO4)2) or its hydrates to make lithium iron phosphate (LixFePO4); controlling temperature, oxygen concentration during sintering |
| 05/22/2002 | EP1207136A1 Titanium-iron based composite oxide pigment and method for production thereof |
| 05/22/2002 | CN1350339A Method for producing cathode active material and method for manufacturing nonaqueous electrolyte cell |
| 05/22/2002 | CN1350090A Method of treating paper-making black liquor and producing high-temperature iron oxide red |
| 05/22/2002 | CN1085191C Method for preparation of compound high-iron oxidizing flocculant |
| 05/22/2002 | CN1085189C Use of synthetic, bainite-rich iron raw materials for preparing iron oxide pigment |
| 05/21/2002 | US6391496 Composite oxide active material; better charge-discharge cycles |
| 05/21/2002 | US6391450 Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic iron-based alloy particles, and process for producing the same |
| 05/21/2002 | US6391222 NiMnZn based ferrite |
| 05/15/2002 | EP1204603A1 Method and composition for scavenging sulphide in drilling fluids |
| 05/15/2002 | CN1349265A Method for prepn. of cathode active material, method for prepn. of non-aqueous electrolyte |
| 05/15/2002 | CN1084773C Clean color shade, yellow-tinged red iron oxide pigments, and process for their manufacture, and their use |
| 05/14/2002 | US6387494 Method for producing ultra microparticles and ultra microparticles |
| 05/10/2002 | WO2002036494A1 Transition metal oxide compositions |
| 05/09/2002 | US20020053547 Contact and adsorbent granules |
| 05/08/2002 | EP1203615A1 Continuous process and apparatus for preparing inorganic materials employing microwave |
| 05/08/2002 | EP1202933A1 Method for making m-type hexaferrite powders or wafers |
| 05/08/2002 | CN1084306C Process for producing mixed oxide of vanadium, antimony and iron |
| 05/07/2002 | US6383976 Multimetal oxide with molybdenum, bismuth, iron metal oxides |
| 05/07/2002 | US6383685 Composite tungsten oxide includes copper, vanadium, chromium, manganese, iron, cobalt, and/or nickel; rutile crystal structure; charging/discharging cycle |
| 05/07/2002 | US6383684 Composite tungsten oxide includes copper, vanadium, chromium, manganese, iron, cobalt, and/or nickel; charging/discharging cycle |
| 05/07/2002 | US6383407 Bonded magnet, magnet roll, a ferrite powder used therefor and method for producing same |
| 05/02/2002 | WO2002006160A3 Methods of synthesizing an oxidant and applications thereof |
| 05/02/2002 | US20020050230 Process for the production of an aluminium-containing iron oxide crystallization nucleus |
| 05/02/2002 | EP1202362A2 Method for producing cathode active material and method for manufacturing a nonaqueous electrolyte battery |
| 05/02/2002 | EP1201621A1 Magnetic ferrite material and inductor |
| 05/02/2002 | DE10044095A1 Production of iron oxide seeds containing aluminum, used directly for red pigment production, involves adding aluminum component to ferrous chloride solution, heating, adding sub-stoichiometric amount of precipitant and oxidation |
| 04/24/2002 | EP1198417A1 Method and device for the continuous production of naalcl4 or nafecl4 |
| 04/24/2002 | CN1083473C Process for preparing agglomerate-free nanoscalar iron oxide particles with hydrolysis-resistant coating |
| 04/24/2002 | CN1083469C Pure-coloured iron oxide direct red pigments and a process for their production as well as their use |
| 04/23/2002 | US6375919 Roasting iron ore containing iron hydroxide oxide; dissolving in sulfuric acid; coagulants; salt formation |
| 04/23/2002 | US6375862 Ferrite sintered compact |
| 04/23/2002 | CA2359314A1 Method for producing cathode active material and method for manufacturing nonaqueous electrolyte battery |
| 04/18/2002 | US20020045700 Non-magnetic composite particles for black toner and black toner using the same |
| 04/18/2002 | US20020045098 Single-phase lithium ferrite based oxide |
| 04/18/2002 | DE10050683A1 Production of iron oxide seeds containing aluminum, used directly for red pigment production, involves adding aluminum component to ferrous chloride solution, heating, adding sub-stoichiometric amount of precipitant and oxidation |
| 04/18/2002 | DE10050682A1 Production of iron oxide yellow pigment, used in building material, plastics, paper, color or for producing heterogeneous catalyst e.g. for ethylbenzene dehydrogenation, comprises seeding pre-precipitated iron-II chloride and oxidation |
| 04/17/2002 | EP1198018A2 Lithium-iron-manganese complex oxide having a layered rock-salt structure and production method thereof |
| 04/17/2002 | EP1197472A1 Iron oxide- and silicon dioxide- titanium dioxide mixture |
| 04/17/2002 | CN1344681A High-purity iron oxide red producing process with iron ore powder and other iron-bearing material |
| 04/11/2002 | DE10047997A1 Flow-through apparatus useful for e.g. water treatment comprises lumps of adsorbent/reactant comprising iron oxide and/or oxyhydroxide bound with metal oxides and/or (oxy)hydroxides |
| 04/11/2002 | DE10047996A1 Flow-through apparatus useful for e.g. water treatment comprises lumps of adsorbent/reactant comprising iron oxide and/or oxyhydroxide embedded in iron hydroxide matrix |
| 04/10/2002 | CN1343626A Industrial process for preparing high-purity super-fine magnetite powder |
| 04/10/2002 | CN1082496C Ferrite magnet and its mfg. tech. |
| 04/10/2002 | CN1082493C Reduction of residual chloride in iron oxide |
| 04/04/2002 | WO2002026633A1 Adsorption container and iron oxide adsorber |
| 04/04/2002 | WO2002026632A1 Contact and adsorber granulates |
| 04/04/2002 | WO2002026631A1 Contacting and adsorbent granules |
| 04/04/2002 | WO2002026630A1 Contact and adsorber granulates |
| 04/04/2002 | US20020039687 Lithium-based active materials and preparation thereof |
| 04/04/2002 | US20020039555 High density sintering at low temperature garnet |
| 04/04/2002 | DE10044097A1 Verfahren zur Herstellung eines aluminiumhaltigen Eisenoxidkeims A process for producing an aluminum-containing iron oxide seed |
| 04/04/2002 | CA2423178A1 Adsorption container and iron oxide adsorber |
| 04/04/2002 | CA2423173A1 Contact and adsorber granules |
| 04/04/2002 | CA2423010A1 Contact and adsorber granules |
| 04/03/2002 | EP1193786A2 Method for the preparation of cathode active material and method for the preparation of a non-aqueous electrolyte cell |
| 04/03/2002 | EP1193723A1 Magnetic ferrite powder, magnetic ferrite sinter, layered ferrite part, and process for producing layered ferrite part |
| 04/02/2002 | US6365555 Method of preparing metal containing compounds using hydrodynamic cavitation |
| 04/02/2002 | US6365121 Thermal decomposition of metal chloride; vaporization; condensation |