| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
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| 07/15/2003 | US6592830 Treating niobium and or tantalum containing raw materials |
| 07/15/2003 | US6592648 Providing bed of agglomerates containing ore and carbonaceous reductant on hearth of furnace, heating radiant heat source to reduce iron oxides in ore or waste oxides to metallic iron |
| 07/10/2003 | WO2003056582A1 Method for recycling rare earth element magnet scrap and bonded magnet resulting therefrom |
| 07/10/2003 | WO2002009852A9 System and process for removal of pollutants from a gas stream |
| 07/10/2003 | US20030130118 Method for manufacturing hydrorefining catalyst, and metal recovery method |
| 07/10/2003 | US20030129112 Selective metal leaching process |
| 07/10/2003 | US20030129077 Aluminium base alloy of scrap metal and casting alloy produced from this |
| 07/09/2003 | EP1325158A1 Oxy-fuel combustion system and uses therefor |
| 07/09/2003 | EP1070149B1 Metal scrap submergence system for scrap charging/melting well of furnace |
| 07/09/2003 | EP1047501A4 Apparatus and method for handling mercury containing lamps |
| 07/08/2003 | CA2367544A1 Method for spent potliner processing, separating and recycling the products therefrom |
| 07/03/2003 | WO2003053525A1 Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment |
| 07/02/2003 | EP1234061B1 Apparatus and process to extract heat and to solidify molten material particles |
| 07/02/2003 | EP1153149B1 Method for processing ashes of incineration plants by desalination and artificial ageing by means of underwater high-voltage discharge |
| 07/02/2003 | EP1119645B1 Process and apparatus for recovering metal material from waste material |
| 07/02/2003 | CN1112975C Method for treating matter containing chromium oxides in large scale, and method for utilizing after-treatment matter and utilizing matter |
| 06/26/2003 | WO2003051545A1 Printed circuit board recycle method and apparatus thereof |
| 06/25/2003 | EP1321534A2 A method for recovering catalytic metals |
| 06/25/2003 | CN1426485A Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
| 06/24/2003 | US6582493 Oxidizing the objects of thoriated tungsten to form thorium-containing or thorium-oxide-containing tungsten oxide pieces, homogenizing tungsten oxide pieces, and reducing homogenized tungsten oxide pieces under hydrogen gas |
| 06/24/2003 | CA2244600C Production of titanium slag |
| 06/19/2003 | WO2003049880A1 Method of extracting contaminants from solid matter |
| 06/19/2003 | CA2469311A1 Method of extracting contaminants from solid matter |
| 06/18/2003 | EP1319727A2 Pyro-hydrometallurgical process for the recovery of zinc, lead and other value metals from iron- and steelmaking shop dusts |
| 06/17/2003 | US6579507 System and process for removal of pollutants from a gas stream |
| 06/17/2003 | CA2127277C Method for the recovery of zinc oxide |
| 06/12/2003 | WO2003047768A1 Method for inhibiting oxidation of metal sulfide-containing material |
| 06/12/2003 | US20030109768 Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment |
| 06/12/2003 | US20030108462 For wood; chelation of toxic material; separation |
| 06/12/2003 | US20030106615 Remelting said scrap by wrapping a particulate flux containing a Group 1a, 2a, or rare earth metal halide of given average particle size, within a magnet-constituent metal, and adding the metal wrapped flux to the molten scrap |
| 06/12/2003 | US20030106467 Cement, reduced-carbon ash and controlled mineral formation using sub-and supercritical high-velocity free-jet expansion into fuel-fired combustor fireballs |
| 06/11/2003 | EP1015119A4 Metal recovery from salt cake and other compositions |
| 06/11/2003 | CN1422967A Method for preparing nickel and aluminium chemical product from catalyst refuse containing nickel and AL2O3 |
| 06/11/2003 | CN1111205C Method of treating arsenic alkaline slag from antimony smelting |
| 06/10/2003 | US6576185 System and method for hydrothermal reactions-three layer liner |
| 06/05/2003 | US20030105380 Preparing an aqueous suspension of the solid or semisolid waste material, separating the solid and liquid material to obtain solid waste and liquid waste solution, collecting solid waste, repeating above steps, acidifying liquid waste |
| 06/04/2003 | EP1315693A1 Recovery of metals by incineration of metal containing basic ion exchange resin |
| 06/04/2003 | EP1315546A2 System and process for removal of pollutants from a gas stream |
| 06/04/2003 | EP0771370B1 Process for electrochemically dissolving a metal such as zinc or tin |
| 06/04/2003 | CN1421535A Regeneration process of zinc residue produced in hot zinc plating |
| 06/03/2003 | US6572782 Process for recycling CdTe/Cds thin film solar cell modules |
| 06/03/2003 | US6572677 Recovering silver from waste photographic processing solution comprising silver ions by contacting with body of material comprising fine iron particles dispersed in binder matrix of crosslinked gelatin, which reduces silver ions to silver metal |
| 06/03/2003 | US6572675 Method of operation of tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross |
| 05/28/2003 | EP1314788A2 A method for recovering catalytic metals using a porous metal filter |
| 05/28/2003 | CN1420186A Process for separating zinc and lead from metallurgic furnace dust |
| 05/28/2003 | CN1420184A Method for extracting indium concentrate form indium and tin oxide waste |
| 05/27/2003 | CA2211182C Method of utilizing dusts incurring in the reduction of iron ore |
| 05/21/2003 | EP1312686A2 Electrochemical dissolution process for disintegrating superalloy scraps |
| 05/21/2003 | EP1312415A1 Method for recovering stainless steel from stainless steel slags |
| 05/21/2003 | CN1418985A Electrochemical decomposition method for high-temp. alloy |
| 05/15/2003 | US20030092954 Nuclear fuel dissolution |
| 05/15/2003 | US20030089850 Device and method for extracting a constituent from a chemical mixture |
| 05/14/2003 | EP1218554B1 Reclamation of metals like uranium from contaminated solids such as incinerator ash by fluorination and leaching |
| 05/14/2003 | CN1108411C Method of separating fiber and aluminum foil from paper-lining aluminum foil leftover |
| 05/13/2003 | US6562101 Processing electric arc furnace dust through a basic oxygen furnace |
| 05/13/2003 | US6562096 Management of electric arc furnace dust through a basic oxygen furnace |
| 05/08/2003 | US20030086849 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 05/08/2003 | US20030084821 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 05/07/2003 | EP0970258B1 Polymeric combinations used as copper and precious metal heap leaching agglomeration aids |
| 05/07/2003 | CN1416475A Method of sintering and sinter bed compsn. |
| 05/07/2003 | CN1415767A Method for recycling valuable metal from stainless steel dust |
| 05/06/2003 | US6559093 Ruthenium and promoter on catalyst support |
| 05/02/2003 | EP1306452A2 Method for making metal oxide agglomerates |
| 05/01/2003 | WO2003035917A2 Method for processing magnesium containing scrap by melting in a vacuum furnace |
| 04/30/2003 | DE20303289U1 Rotating oven used for re-melting aluminum comprises a rotating drum having adjustable stirring bodies distributed around its casing |
| 04/30/2003 | CN1415021A Apparatus and process to extract heat and solidify molten material particles |
| 04/30/2003 | CN1414125A Method of recovering rhodium from spent rhodium catalyst in carbongl group synthesis reaction |
| 04/30/2003 | CN1414124A Method of recovering waste copper foil |
| 04/30/2003 | CN1414123A Method of recovering waste copper foil |
| 04/30/2003 | CN1414122A Regeneration method of rare earth permanent magnet material |
| 04/29/2003 | US6555050 Dross processing system |
| 04/29/2003 | US6555008 Aluminosilicate polymer bearing on its surface organic radicals with functions of SH or -S(CH2)nS- where n is 11-14; and a silver complexing agent that is released into an aqueous developer for silver halide photographic products. |
| 04/24/2003 | US20030075019 Demetallization via charging in iron bath, and reducing by feeding carbon/carriers |
| 04/24/2003 | CA2405951A1 Method for making metal oxide agglomerates |
| 04/23/2003 | EP1303640A2 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 04/23/2003 | CN1412117A Method for preparing indium tin oxide powder by aqueous solution method |
| 04/23/2003 | CN1106452C Method for water-granulating calcium ferrite slag |
| 04/17/2003 | WO2003031663A1 Method and device fro controlling the proportion of crystals in a liquid-crystal mixture |
| 04/17/2003 | WO2003031662A1 Process and apparatus for the treatment of contaminated fumes |
| 04/17/2003 | WO2003031334A2 Assemblies and methods for processing zing-bearing materials |
| 04/17/2003 | WO2002072205A3 Method for increasing the dry residue in wet-processed cyclone dust of the chlorination of titanium ore |
| 04/17/2003 | DE19780281C1 Separating heavy metals from sulphide-containing residual products from mining and metal processing |
| 04/15/2003 | US6547847 Introducing through a injection level, a comburent gas; introducing material to be transformed, fuel, comburent and slag inoculants and additives and material-carrying gases, inert strirring gases; extracting process gases, tapping |
| 04/10/2003 | WO2003029569A1 Counterweight and method for recycling the same |
| 04/10/2003 | WO2003029500A1 Integrated prefabrication of reinforced concrete elements including production of concrete reinforcing bars and upgrading of the slag produced |
| 04/09/2003 | EP1299185A1 Mixed metal catalyst comprising a combustible binder |
| 04/03/2003 | WO2002064257A3 Method and device for preparing slag in order to form granulates |
| 04/02/2003 | CN1407121A Remoltem rareearth magnet waste and/or scraps, magnet forming alloy and sintered rareearth magnets |
| 04/01/2003 | US6541241 Method of using an apparatus containing a paddle for microenfractionating contaminated material |
| 03/27/2003 | WO2003025235A1 Process for the recovery of lead from scrap batteries |
| 03/27/2003 | US20030057161 Using chelating resins for removing copper; displacing absorbed copper by treating resins with hydrochloric acid or sulfuric acid solutions; waste from iodine recovery by copper mineralization of X-ray contrast agent production solutions |
| 03/26/2003 | EP1294955A1 Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
| 03/26/2003 | EP1218797B1 Method to extract silver from a photographic developer |
| 03/26/2003 | EP1039985B1 Method of removing a metallic coating layer from scrap metal pieces |
| 03/26/2003 | CN1405340A Molten metal distillation apparatus |
| 03/26/2003 | CN1405339A Method and apparatus for separating oxide |
| 03/26/2003 | CN1405338A Method of comprehensive recovery of valued elements from Zinc-immersing slag |
| 03/26/2003 | CN1103646C Decomposition treatment method for cohesive magnet |
| 03/25/2003 | US6537498 Colloidal particles used in sensing arrays |
| 03/25/2003 | US6537345 Organic solvent and heating; powder binder |