| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 06/25/2003 | EP1259652A4 Process and apparatus for recovery of cyanide and metals |
| 06/25/2003 | CN1112451C Metal manganese electrolyzing technology with roasted ore to replace natural mangnese dioxide ore |
| 06/19/2003 | US20030111349 Electrolytic processes with reduced cell voltage and gas formation |
| 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 | CA2186356C Hydrometallurgical extraction process for treating ores containing copper alone or copper and gold |
| 06/12/2003 | WO2003048425A2 Electrochemical process for preparation of zinc metal |
| 06/12/2003 | WO2003048421A1 Method and apparatus for producing negative and positive oxidative reductive potential (orp) water |
| 06/12/2003 | US20030106806 Electrochemical process for preparation of zinc metal |
| 06/04/2003 | CN2554187Y Small silver extracting machine |
| 05/29/2003 | US20030099322 Method of separating and recovering rare FP in spent nuclear fuels and cooperation system for nuclear power generation and fuel cell power generation utilizing the same |
| 05/28/2003 | CN2552948Y Zinc electrolytic tank electrode plate insulating guide |
| 05/28/2003 | CN1420184A Method for extracting indium concentrate form indium and tin oxide waste |
| 05/27/2003 | US6569224 Hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate |
| 05/22/2003 | WO2003031665A3 Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 05/22/2003 | US20030094379 Low temperature alkali metal electrolysis |
| 05/21/2003 | EP1312686A2 Electrochemical dissolution process for disintegrating superalloy scraps |
| 05/21/2003 | EP1159467B1 Process for the recovery of tin, tin alloys or lead alloys from printed circuit boards |
| 05/21/2003 | CN1418985A Electrochemical decomposition method for high-temp. alloy |
| 05/15/2003 | US20030089619 Process and apparatus for recovery of cyanide and metals |
| 05/14/2003 | EP0950129B1 Silver refining installation |
| 05/14/2003 | CN2550378Y 组合式氯气收集器 Combined chlorine collector |
| 05/13/2003 | CA2111793C Electrolytic process for extracting platinum of high purity from contaminated platinum |
| 05/07/2003 | CN1415785A Technique for electrolyzing slurry of fluosilicic acid in bismuth mine |
| 05/07/2003 | CN1415784A Device for controlling flux of electrolyte and liquid level in wet metallurgy |
| 05/02/2003 | EP1305455A2 Method and apparatus for processing metals, and the metals so produced |
| 05/01/2003 | WO2003035941A2 Electrolytic processes with reduced cell voltage and gas formation |
| 05/01/2003 | WO2002026701A3 Ionic liquids and their use as solvents |
| 04/30/2003 | CN1415022A Process for electrolytic production of highly pure zinc or zinc compounds from primary and secondary zinc raw materials |
| 04/17/2003 | WO2003031665A2 Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 04/17/2003 | CA2463396A1 Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 04/15/2003 | US6547949 Method for preventing stray currents in peripheral system parts during an electrolysis process for obtaining metals |
| 04/10/2003 | WO2003029146A1 Process for preparing zinc metal |
| 04/09/2003 | CN1408902A Process for directly producing metal zinc by suspension electrolysing high-iron sphalerite |
| 04/02/2003 | CN1407120A Process for oxidation leaching-out, cuprous chloride and refining copper from cupric sulfide |
| 03/27/2003 | US20030057105 Compositions containing aqueous basic saturated solutions of zinc oxide and processes for preparing said solutions and zinc metal |
| 03/27/2003 | US20030057104 Using an ammoniacal alkaline electrolyte solution containing diammine cuprous ions in the electrode chambers, and applying direct current to produce metallic copper on the cathode and tetrammine cupric ions on the anode; electrical efficiency |
| 03/27/2003 | US20030057103 Electrowinning cell incorporating metal ion filtration apparatus |
| 03/26/2003 | CN1405365A Method for producing soluble copper in the production of electrolytic copper foil |
| 03/20/2003 | WO2003023077A1 Zinc recovery process |
| 03/20/2003 | US20030051996 Apparatus for controlling flow in an electrodeposition process |
| 03/19/2003 | CN1404529A Method for upgrading steel plant dust |
| 03/06/2003 | US20030044659 Hydrogen sensor for fuel processors of a fuel cell |
| 03/05/2003 | EP1288339A1 Method of producing a higher-purity metal |
| 03/05/2003 | CN1400333A Method for cleaning copper electrolyte and removing impurity from it |
| 02/27/2003 | WO2003016593A2 Hydrogen evolution inhibiting additives for zinc electrowinning |
| 02/26/2003 | CN1399010A Making process of durable stainless steel cathode plate for copper electrolyzing refining |
| 02/20/2003 | WO2003014421A1 Method for producing high purity nickel, high purity nickel, sputtering target comprising the high purity nickel, and thin film formed by using said spattering target |
| 02/20/2003 | US20030033906 Chlorine leaching; oxidation pressure leaching |
| 02/19/2003 | EP0970263B1 Electrolytic method for recovering and recycling silver from a nitric solution |
| 02/19/2003 | CN2536601Y Apparatus for electrolytic reduction of europium |
| 02/12/2003 | CN2535422Y Cathode for copper electrowinning or electrorefining |
| 02/12/2003 | CN2535421Y Zinc electrolytic tank edge DC bus apparatus |
| 02/12/2003 | CN1396306A Plating and osmosizing combined process for preparing multiple elements osmosized anticorrosion Ni-base-alloy |
| 02/11/2003 | US6517701 Sequential solvent extraction steps; substituted monothiophosphinic acids |
| 02/06/2003 | WO2003010362A2 Process for direct electrowinning of copper |
| 02/05/2003 | CN1394973A Production method for extracting high-purity silver bead from waste material containing lead and silver |
| 02/04/2003 | US6514311 Clean process of recovering metals from waste lithium ion batteries |
| 01/30/2003 | US20030019759 Electrolyzing coarse metal by primary electrolysis to obtain primary electrodeposited metal, electrolyzing the material with the primary electrodeposited metal used as anode to obtain a higher purity electrolyte for secondary electrolysis |
| 01/30/2003 | US20030019331 Process for direct electrowinning of copper |
| 01/29/2003 | EP1149051B1 Sludge-free treatment of copper cmp wastes |
| 01/28/2003 | US6511591 Method for the electrolytic refining of copper |
| 01/22/2003 | CN1392902A Recovery of nickel and cobalt values from sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
| 01/21/2003 | US6508928 Recovery of metal from solution |
| 01/16/2003 | US20030010156 Method for upgrading steel plant dust |
| 01/15/2003 | CN2530959Y Anode for electrolyzing manganese bioxide |
| 01/15/2003 | CN1390983A Process for preparing cathode copper by one-step electrolysis of raw red copper |
| 01/08/2003 | CN1389597A High-strength and high-conductivity nanometer crystal copper material and its prepn. |
| 01/08/2003 | CN1389584A Efficient separation process and apparatus of main valuable metals in jamesonite |
| 01/01/2003 | CN1097643C Process for making copper foil |
| 12/31/2002 | US6500318 Apparatus for recovering metal from solution |
| 12/31/2002 | US6500229 Method for treating steel works dust by wet process |
| 12/25/2002 | CN1386870A Process for recovering Mo from low-grade molybdenite by dump leaching |
| 12/19/2002 | US20020189953 Method for processing metals |
| 12/19/2002 | US20020189937 Apparatus for processing metals |
| 12/17/2002 | CA2215963C Atmospheric mineral leaching process |
| 12/05/2002 | US20020179451 Apparatus and method for recovery of gold and silver from ore |
| 12/03/2002 | CA2376883C Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
| 11/28/2002 | US20020175083 Process to remove ferric iron impurities from an acidic aqueous solution used in the electro-winning of copper |
| 11/28/2002 | US20020175081 Method and system for processing of photographic materials cross reference to related applications |
| 11/27/2002 | EP1260859A2 A method and system for processing of photographic material |
| 11/27/2002 | EP1259652A1 Process and apparatus for recovery of cyanide and metals |
| 11/27/2002 | EP1151151B1 Electrowinning anodes which rapidly produce a protective oxide coating |
| 11/27/2002 | CN1381612A Process for preparing antimony by electrolyzing slurry of sulfide ore containing antimony |
| 11/26/2002 | US6485542 Good corrosion resistance and magnetic properties; |
| 11/20/2002 | EP1258535A1 Process for electrolytic production of highly pure zinc or zinc compounds from primary and secondary zinc raw materials |
| 11/20/2002 | EP1257674A1 Method for upgrading steel plant dust |
| 11/20/2002 | CN1380915A Electrolysis apparatus for electrolytic copper foil and electrolytic copper foil produced in electrolysis apparatus |
| 11/06/2002 | CN1377994A Method for cooling manganese electrolyzing cathode liquid outside tank and recovering magnesium |
| 10/31/2002 | US20020160053 Solution for promoting growth of tissue cells at wound sites and production process therefor |
| 10/31/2002 | DE10112075C1 Verfahren und Vorrichtung zur Rückgewinnung von Metallen, auch in Kombination mit anodischen Koppelprozessen Method and apparatus for recovery of metals, in combination with anodic coupling processes |
| 10/29/2002 | CA2061391C Ceramic anode for oxygen evolution, method of production and use of the same |
| 10/20/2002 | CA2359384A1 Apparatus and method for recovery of gold and silver from ore |
| 10/17/2002 | CA2381957A1 Process to remove ferric iron impurities from an acidic aqueous solution used in the electro-winning of copper |
| 10/02/2002 | CN1372017A Method for producing and using compound additives used in electric deposition to level and polish metal |
| 10/02/2002 | CN1091805C Method and apparatus for automated stripping of zine sheets from aluminum cathode base plates |
| 10/01/2002 | US6458184 Recovery of zinc from geothermal brines |
| 09/25/2002 | CN1091469C Antimony-removing and impurity-removing method for copper electrolytic solution |
| 09/19/2002 | WO2002072921A2 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 09/19/2002 | WO2002072895A1 A method for the removal of calcium from a zinc process sulfate solution |
| 09/19/2002 | WO2001051685A3 Removal of metals from solution |