| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
|---|
| 04/29/2004 | WO2004035845A1 Process and apparatus for extracting zinc |
| 04/29/2004 | US20040080084 Empty-can treatment system and empty-can treatment method |
| 04/29/2004 | US20040079681 Recycle process for a metal bearing sludge concentrate |
| 04/29/2004 | US20040079642 Method and device for recovering metals by means of pulsating cathode currents also in combination with anodic coproduction processes |
| 04/29/2004 | US20040079262 Plant for the thermal treatment of material and operation process thereof |
| 04/29/2004 | US20040079198 Method for producing foamed aluminum products |
| 04/28/2004 | EP1413635A1 Method for reducing Cr(VI) in chromium oxide-containing waste materials |
| 04/28/2004 | EP1230408B1 Recovery of precious metals from coal burning slag by multiple crushing/suspension stages |
| 04/28/2004 | CN1492951A Electrorefining process for separating metals |
| 04/28/2004 | CN1492062A Process for recovering palladium from TDI hydro genation waste palladium carbon catalyst |
| 04/28/2004 | CN1147599C Smelt-reduction rpocess for preparing Al-Si-Fe alloy fro Al dregs |
| 04/22/2004 | WO2004033748A2 Method to recover spent components of a sputter target |
| 04/22/2004 | US20040074340 Method for the precipation of silica in connection with zinc ore leaching |
| 04/22/2004 | US20040074339 A method and apparatus of reclaiming magnesium from post consumer scrap and/or secondary magnesium turnings by feeding the post consumer scrap and/or secondary magnesium turnings into a rotary tray dryer and subjecting the post consumer |
| 04/21/2004 | EP1409754A1 Method for direct metal making by microwave energy |
| 04/21/2004 | EP1409752A2 Use of oil-charged mill-scale in shaft furnaces and converters |
| 04/20/2004 | CA2118943C Treatment of solid material |
| 04/15/2004 | WO2004031324A1 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
| 04/15/2004 | WO2004031274A1 A process for the recovery of useful materials from multi-layer laminated packaging refuse |
| 04/15/2004 | US20040071619 Method for the purification of zinc oxide controlling particle size |
| 04/15/2004 | US20040069687 Installation and method for processing shredder residues and use of a shred fraction so produced |
| 04/15/2004 | CA2501262A1 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
| 04/14/2004 | EP1408297A1 Rotary drum furnace for metal smelting |
| 04/14/2004 | EP1408127A1 Method for recovering metals from the flying ashes generated in an integrated gasification combined cycle-type (igcc) thermal station |
| 04/14/2004 | EP1129227B1 Device and method for removing dross from a vessel of molten zinc with enhanced zinc yield |
| 04/13/2004 | US6719144 Method of separating oxide from dross, device for separating oxide from dross, and jet solder tank |
| 04/08/2004 | WO2004033730A1 Method for producing titanium oxide containing slag |
| 04/08/2004 | WO2004029308A1 Method for osmium distillation into gas phase from sulphur-acid sludge of copper production |
| 04/08/2004 | US20040065546 Method to recover spent components of a sputter target |
| 04/07/2004 | EP1405924A1 Method for producing granular metal |
| 04/07/2004 | EP1405895A1 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
| 04/07/2004 | EP1404465A1 Stabilisation treatment, in particular for waste incineration residues |
| 04/07/2004 | EP1015385A4 Treatment of aluminum dross |
| 04/06/2004 | US6717026 Controlling fluid flow of melt |
| 04/06/2004 | US6716403 Recovering a copper component from a cleaning agent that has been used for removing a phosphine or a silane contained as a harmful component in a harmful gas. |
| 04/01/2004 | WO2003100412A3 Method of ore treatment |
| 04/01/2004 | US20040060394 Motor driven agitator shaft having paddles is rotated within the skimmings processing chamber so that the ends of the paddles enter the molten zinc during each shaft revolution and enhance melting and recovery; reduced emissions |
| 03/31/2004 | EP1403389A1 Method for producing briquettes from finely dispersed metal oxides |
| 03/31/2004 | EP1402077A1 Method for compacting rolling-mill scale |
| 03/31/2004 | CN1485450A Method for producing WC-Fe composite powder of ultra fine grain by tungsten alloy scrap |
| 03/30/2004 | US6712875 Including main hearth having melting cavity with two opposed overflows, adjustable feed chute positioned to provide metal chips to hearth, two molds aligned and in fluid communication with overflows, overhead heat source for selective heating |
| 03/25/2004 | WO2004024961A1 Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead |
| 03/25/2004 | WO2004024634A2 Mediated electrochemical oxidation of inorganic materials |
| 03/25/2004 | US20040056394 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 03/24/2004 | CN1484556A Wet methd for treaving petroleum-originated combustion ash |
| 03/24/2004 | CN1143001C Agglomeration method of steel slag |
| 03/18/2004 | WO2004005557B1 Metal compound removal |
| 03/18/2004 | US20040050211 Aluminium processing apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross |
| 03/18/2004 | US20040050210 Charging the dusts into a bath of molten metals and liquid oxidic slags, volatile heavy metal compounds such as zinc and/or lead oxides are separated from gas phase and alkalies are introduced into the slags |
| 03/17/2004 | CN1482950A Printed circuit board recycle method and apparatus thereof |
| 03/16/2004 | US6706416 Process for manufacturing corrosion resistant composite metal products |
| 03/16/2004 | US6705509 Method of recovering lead-free solder from printed circuit boards |
| 03/11/2004 | WO2004020714A1 Method for removal of metal contaminants |
| 03/11/2004 | US20040046293 Method for oxy-fuel combustion |
| 03/10/2004 | EP1396551A1 Device and method for treating oil-adhered particles |
| 03/10/2004 | EP1242638B8 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 03/10/2004 | CN1481496A Plant for thermal treatment of material and operation process thereof |
| 03/10/2004 | CN1480541A Method for extracting cobalt from industrial waste residue |
| 03/10/2004 | CN1480250A Recycling method and recycling system for powdered ink |
| 03/04/2004 | WO2004018717A2 Electrostatically enhanced tribochemical methods and apparatus |
| 03/04/2004 | WO2003087416A9 Process for extracting platinum group metals |
| 03/03/2004 | EP1119646B1 Liquid carton waste material recycling process and apparatus |
| 03/03/2004 | CN1479795A Method for recovering titanium dioxide from titanium dioxide bearing materials like steel making slags |
| 02/26/2004 | DE10240224A1 Process for the thermal recovery of zinc comprises adding a zinc-containing secondary raw material as feed material in the form of molded bricks to a shaft kiln |
| 02/25/2004 | EP1026706B1 FEEDSTOCK POWDER FOR R-Fe-B MAGNET AND PROCESS FOR PRODUCING R-Fe-B MAGNET |
| 02/24/2004 | US6696037 Method of recovering sulfur from minerals and other sulfur-containing compounds |
| 02/24/2004 | US6696029 Method for the purification of zinc oxide controlling particle size |
| 02/19/2004 | DE10223590B3 Mobile swarf processing device has mobile frame supporting centrifuge and conveyor delivering swarf to its upper central feed opening |
| 02/12/2004 | WO2004013361A1 Method of recovering platinum group element and apparatus therefor |
| 02/12/2004 | WO2002070756A3 Recovery of metals from jarosite-containing materials |
| 02/12/2004 | US20040028585 Cooling melt to harden; extraction, separation |
| 02/12/2004 | US20040026329 Precious metal scavenging from a liquid medium with a functionalised polymer fiber |
| 02/12/2004 | US20040025637 Method for rendering inert dust residue containing silicon metal |
| 02/12/2004 | DE10330044A1 Separation of circuit boards from old electrical products, comprises melt pressing the boards using a cylindrical member with a cover, a shaft and a drive |
| 02/11/2004 | EP1198599B1 Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same |
| 02/11/2004 | EP1090152B1 Method for processing steel slags |
| 02/10/2004 | CA2315780C Method of removing a metallic coating layer from scrap metal pieces |
| 02/04/2004 | EP1386014A1 Method of recycling metallic coated scrap pieces |
| 02/04/2004 | EP1386013A2 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 02/04/2004 | CN1472349A Process for direct reduction of lead from high content of liquid lead dreg in bottom blowing furnace |
| 02/04/2004 | CN1472346A Recovery of palladium metal from waste palladium/aluminium oxide catalyst |
| 02/03/2004 | US6685819 Flue gas desulfurization (fgd) systems; reduction and oxidation reactions (redox) form a reaction causing solution phase metal to be removed thereby enhancing the scrubbing efficiency of the scrubber |
| 01/29/2004 | WO2004009857A1 A separation process |
| 01/29/2004 | WO2004009232A1 Disassociation processing of metal oxides |
| 01/29/2004 | US20040018936 Heating aqueous oxidizer solution containing manganese compound; absorber to remove target impurities |
| 01/29/2004 | DE10231228A1 Rückgewinnung von Wertstoffen aus Zündkerzen und Glühkerzen Recovery of valuable materials from spark plugs and glow plugs |
| 01/28/2004 | CN1471433A Installation and method for processing shredder residues and use of a shred fraction so produced |
| 01/28/2004 | CN1470657A Steel making and iron making superlow zine dust recovery and treatment process |
| 01/28/2004 | CN1136062C Method for preparation of adhered magnet of recovered raw material powder and recouering and utilizing adhered magnet |
| 01/27/2004 | US6682586 Assemblies and methods for processing zinc-bearing materials |
| 01/27/2004 | US6682005 Method of recovery of precious metals & heavy minerals |
| 01/22/2004 | US20040012129 Method for the salt-free, non-oxidizing remelting of aluminium |
| 01/22/2004 | US20040011851 Dross removal and solder reclamation improvements |
| 01/22/2004 | US20040011739 Treating aqueous medium containing solution of zirconium and hafnium compound with ligand which complexes with one of the metals; passing over filtration membrane which allows complexes to pass but retains metals not complexed |
| 01/21/2004 | EP1382694A1 Waste toner recycling method and use of toner-aluminium granulate blend as steelmaking flux |
| 01/20/2004 | US6679931 Method for recovering metallic chromium from slag containing chromium oxide |
| 01/20/2004 | CA2233388C Method for processing chromium oxide containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 01/15/2004 | WO2004005558A1 Method for fractional crystallisation of a molten metal |
| 01/15/2004 | WO2004005557A1 Metal compound removal |
| 01/14/2004 | EP1380658A1 Method for fractional crystallisation of a molten metal |