| Patents for C22B 15 - Obtaining copper (5,364) |
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| 12/15/2005 | WO2005118890A2 Recovery of steel from contaminated scrap |
| 12/14/2005 | CN1231297C Multi-condensed jet-flow spray gun |
| 12/13/2005 | CA2251433C Process for upgrading copper sulphide residues containing nickel and iron |
| 12/13/2005 | CA2233417C Copper recovery |
| 12/08/2005 | WO2005067366A3 Supply system for suspension smelting furnace |
| 12/08/2005 | US20050269208 includes using pyrite(FeS2) as a catalyst for ferric reduction in order to eliminate passivation of the chalcopyrite surface,leaching being carried out under conditions whereby the pyrite is not materially oxidized by maintaining the operating solution potential at a suitable level |
| 12/07/2005 | EP1601803A2 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process |
| 12/07/2005 | CN1705773A Electrolysis process and cell for use in same |
| 12/06/2005 | US6972107 System for direct electrowinning of copper |
| 12/01/2005 | US20050265910 Hydrometallurgical process of nickel oxide ore |
| 12/01/2005 | US20050262968 performing combustion of starting material in reducing atmosphere in melting furnace so as to produce molten copper; sealing molten copper in non-oxidizing atmosphere in casting trough, degassing; copper-silver alloy; superior surface quality; continuous casting |
| 11/30/2005 | CN1229509C Method for using solid reductant in rotary or type tiltable anode furnace |
| 11/23/2005 | EP1598433A1 Method for continuously producing low-oxygen copper wire |
| 11/23/2005 | EP1546418A4 Recovering nickel |
| 11/23/2005 | CN1701211A Arrangement and method for tapping a molten phase from a smelting furnace |
| 11/23/2005 | CN1699350A Processes and intermediates for preparing anti-cancer compounds |
| 11/17/2005 | WO2005108630A1 Interlaced series parallel configuration for metal solvent extraction plants |
| 11/16/2005 | CN1697887A Treatment of base metal concentrate |
| 11/16/2005 | CN1227380C Oxygen-rich air incoming stock using for non-ferrous metal production and apparatus therefor |
| 11/10/2005 | WO2005106051A1 Method for the recovery of gold in connection with the production of copper |
| 11/10/2005 | WO2004101832A3 Microwave enhancement of the segregation roast |
| 11/09/2005 | CN1694185A Cu-Ni-Si-Mg series copper alloy strip |
| 11/09/2005 | CN1226430C Molten copper filtering deoxygen device |
| 11/03/2005 | WO2005103308A1 Method for extracting copper with solvent |
| 10/26/2005 | CN1688730A Method for removal of silver from a copper chloride solution |
| 10/26/2005 | CN1688729A Introduction of microorganisms in bio-assisted heap leachingoperations0 |
| 10/26/2005 | CN1688728A Method for the recovery of metals using chloride leaching and extraction |
| 10/26/2005 | CN1688727A Heap leach process |
| 10/26/2005 | CN1688721A Metallurgical vessel |
| 10/25/2005 | US6958308 exposing an organometallic and the particulate substrate to a supercritical fluid to deposit dispersed organometallic onto the substrate, venting the mixture to adsorb it onto substrate, reducing the organometallic to metal; fuel cell catalysts |
| 10/25/2005 | CA2265391C Method for leaching nickel from nickel matte |
| 10/20/2005 | WO2005098059A1 Process for copper converting |
| 10/20/2005 | US20050232849 High purity copper sulfate and method for production thereof |
| 10/20/2005 | US20050232835 Anti-oxidation method for sulfide minerals in sulfide ore |
| 10/19/2005 | CN1684906A Low viscosity copper solvent extraction reagent formulations |
| 10/18/2005 | US6955140 Method and apparatus for increasing the capacity of a waste heat boiler in a metallurgic smelting furnace |
| 10/12/2005 | EP1583847A1 Method and plant for the heat treatment of sulfidic ores using annular fluidized |
| 10/12/2005 | CN1222630C Recovery of copper, nickel, and cobalt |
| 10/11/2005 | US6953547 Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace |
| 10/06/2005 | WO2005093107A1 Recovery of metals from oxidised metalliferous materials |
| 10/06/2005 | CA2560594A1 Recovery of metals from oxidised metalliferous materials |
| 10/05/2005 | CN1678763A Solvent extraction process |
| 10/05/2005 | CN1678532A High purity copper sulfate and method for production thereof |
| 09/29/2005 | WO2005089935A1 Deposition of dispersed metal particles onto substrates using supercritical fluids |
| 09/29/2005 | US20050211019 Controlling irrigation rate as function of aeration, advection and/or temperature; efficient metal recovery from chalcopyrite ores |
| 09/29/2005 | CA2559147A1 Deposition of dispersed metal particles onto substrates using supercritical fluids |
| 09/28/2005 | EP1579017A1 Method for treating slag |
| 09/28/2005 | CN1675385A Method of recovering platinum group element and apparatus therefor |
| 09/22/2005 | US20050209095 Deposition of dispersed metal particles onto substrates using supercritical fluids |
| 09/22/2005 | US20050205470 Selective sulfur removal from hydrocarbon streams by adsorption |
| 09/22/2005 | DE102004009176A1 Verfahren zur Reduktion von kupferhaltigen Feststoffen in einem Wirbelbett A method of reducing copper-containing solids in a fluidized bed |
| 09/21/2005 | CN1219568C Equipment for draining two separable solutions from subsider |
| 09/21/2005 | CN1219567C Method and equipment for regulating interface of two solutions and making it separation |
| 09/20/2005 | US6944930 performing combustion of starting material in reducing atmosphere in melting furnace so as to produce molten copper; sealing molten copper in non-oxidizing atmosphere in casting trough, degassing |
| 09/20/2005 | CA2267296C Method for feeding and directing reaction gas and solids into a smelting furnace and a multiadjustable burner designed for said purpose |
| 09/15/2005 | WO2005085484A1 Selective reduction of cupriferous calcine |
| 09/15/2005 | US20050199095 Method for producing blister copper |
| 09/14/2005 | CN1668769A Microwave treatment of ores |
| 09/09/2005 | WO2005083132A1 Production of metallic copper by the hydrometallurgical reduction of copper (i) oxide |
| 09/08/2005 | US20050193863 Selective reduction of cupriferous calcine |
| 09/07/2005 | CN1665944A Metallurgy extraction method by wet method with chloride assistance |
| 09/01/2005 | WO2005080616A1 Process for reducing solids containing copper in a fluidized bed |
| 09/01/2005 | US20050188791 Roasting base metal sulfide to reduce sulfur content to a predetermined level, an oxidative leach step to recover the base metal from the feed; predetermined sulfur content level does not exceed that is required to provide a source of heat for the oxidative leach step; hydrometallurgy |
| 08/31/2005 | CN1661121A Operation method of finer |
| 08/30/2005 | US6936216 Melt launder |
| 08/24/2005 | CN1659293A Method for producing blister copper |
| 08/18/2005 | CA2472495A1 Process to recover base metals |
| 08/17/2005 | CN1656238A Process for the treatment or removal of impurities in a hydrometallurgical extraction process |
| 08/17/2005 | CN1215061C Process for preparing anticancer compound, and intermediate |
| 08/16/2005 | US6929677 Sulfidic iron-bearing copper concentrate is leached on the countercurrent principle, in a chloride environment with the aid of bivalent copper and an oxygen-bearing gas as a multistage continuous process |
| 08/11/2005 | WO2005073414A1 Heap bioleaching process |
| 08/11/2005 | US20050173349 Metal ion extraction materials and processes using same |
| 08/10/2005 | EP1560948A1 Electrolysis process and cell for use in same |
| 08/09/2005 | US6926753 Non-biochemical method to heap leach copper concentrates |
| 08/04/2005 | US20050169823 Procedure to leach copper concentrates, under pressure and at ambient temperature, by forming a reactive gel in a sulfate-chloride medium |
| 08/04/2005 | US20050166707 Method of recovering platinum group element and apparatus therefor |
| 08/03/2005 | EP1559799A2 Procedure to leach copper concentrates, under pressure and at ambient temperature, by forming a reactive gel in a sulfate-chloride medium |
| 08/03/2005 | CN1650036A Process for extracting platinum group metals |
| 07/28/2005 | WO2005067366A2 Supply system for suspension smelting furnace |
| 07/27/2005 | CN1646711A Method for the purification of copper chloride solution |
| 07/26/2005 | US6921426 Copper ore containing chalcopyrite as main mineral is leached at 100 degrees C and pressure greater than atmospheric to yield copper leachate containing ferric ions and sulfuric acid which is used in heap or vat leaching of low grade ore |
| 07/21/2005 | US20050155459 forming a slurry of a sulfuric acid solution in an oxygen-containing atmosphere in an agitated multiple-compartment pressure leaching vessel; separating the solution from the product slurry to yield a residue; and recovering a (especially precious) metal value from the residue. |
| 07/21/2005 | US20050155458 Method for Improving Metals Recovery Using High Temperature Pressure Leaching |
| 07/14/2005 | WO2005063775A1 Method for agglomerating and passivating a used mass or organohalosilane production fines |
| 07/14/2005 | US20050150330 Selective flotation agent and flotation method |
| 07/14/2005 | DE10260735B4 Verfahren und Anlage zur Wärmebehandlung von sulfidischen Erzen Method and apparatus for heat treatment of sulfidic ores |
| 07/13/2005 | EP1553193A1 Method of recovering platinum group element and apparatus therefor |
| 07/13/2005 | CN1639892A Method for manufacturing core material for electrode plate and method for manufacturing alkali storage battery |
| 07/13/2005 | CN1210417C Recovery of nickel and cobalt and copper from sulfidic flotation concentrate by wet metallurgical process |
| 07/13/2005 | CN1210416C Equipment for producing low oxygen copper |
| 07/12/2005 | CA2192125C Metallurgical furnace installation for use in copper smelting process and method for charging anode scrap into furnace |
| 07/07/2005 | WO2005012581A3 Methods for improving the recovery of metal leaching agents |
| 07/07/2005 | US20050145073 Method for the purification of copper chloride solution |
| 07/06/2005 | EP1549777A1 Method for removal of silver from a copper chloride solution |
| 06/29/2005 | EP1546418A1 Recovering nickel |
| 06/29/2005 | CN1633438A Process for the dissolution of copper metal |
| 06/29/2005 | CN1208485C Method for preparing coal base reductant for pyrometallurgical refining copper |
| 06/29/2005 | CN1208484C Coal base reductant use for pyrometallurgical refining reduction of copper |
| 06/28/2005 | US6911176 Cooling element |
| 06/28/2005 | CA2185214C Method and device for treating composite elements |