| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 01/26/2005 | CN1186478C Waste lead battery lead recovery process |
| 01/25/2005 | US6846395 Edge insulating member for electrode plate, method of locking and unlocking the edge insulating member, and edge insulating member installation jig |
| 01/20/2005 | US20050011769 Hydrogen evolution inhibiting additives for zinc electrowinning |
| 01/19/2005 | EP1497474A1 Method for the purification of copper chloride solution |
| 01/19/2005 | EP1497473A1 Method for the recovery of gold |
| 01/19/2005 | EP1434893A4 Zinc recovery process |
| 01/18/2005 | US6843896 Electrolysis and ion exchange followed by melting to produce a pure metal |
| 01/12/2005 | CN1563498A Method for extracting zinc and manganese dioxide from deposed dry batteries |
| 01/11/2005 | US6841292 Hydrogen sensor for fuel processors of a fuel cell |
| 01/05/2005 | CN1560289A Method of dearsenic by parallel circulating continuous electric formation |
| 01/04/2005 | CA2258607C Apparatus and method for copper extraction by in-situ electrolysis in heap-leaching of ores |
| 12/29/2004 | WO2004114430A2 Chemical power source-a hydrogen sulphide fuel cell |
| 12/29/2004 | EP1490535A1 Hydrogen-assisted electrolysis processes |
| 12/29/2004 | CN1182278C Method for producing soluble copper in the production of electrolytic copper foil |
| 12/29/2004 | CN1182275C Electro-deposition method of separating yttrium-90 from strontium-90-yttrium-90 system |
| 12/28/2004 | US6835297 High current density electrolytic decomposition process for copper |
| 12/28/2004 | US6835295 Electroplating; improved efficiency |
| 12/28/2004 | US6835228 Process of recovering valuable metals from waste secondary batteries |
| 12/23/2004 | WO2004112214A2 Methods for use of a photobiofuel cell in production of hydrogen and other materials |
| 12/22/2004 | CN1181224C Method for preparing high-strength and high-conductivity nano crystal copper material |
| 12/21/2004 | US6833479 Triethanolamine modified propylene oxide/ethylene oxide adducts |
| 12/15/2004 | CN1180131C Zinc electrolytic bath electrode plate insulation guide frame |
| 12/08/2004 | EP1483431A1 Minimising carbon transfer in an electrolytic cell |
| 12/08/2004 | CN2661709Y Plate slot fixing support for zinc electrolysis anode |
| 12/08/2004 | CN2661708Y Novel insulating guide body for zinc cell plate |
| 12/08/2004 | CN1179057C Method for upgrading steel plant dust |
| 12/02/2004 | US20040238366 Method and system with apparatus for acceleration of activity decrease and radioactive material deactivation |
| 12/02/2004 | US20040237720 Zinc recovery process |
| 11/24/2004 | CN1548585A Composite diaphragm for electrolyzing Co and its prepn |
| 11/23/2004 | CA2221930C Chloride assisted hydrometallurgical extraction of metal |
| 11/17/2004 | CN1176231C Integral equipment and process for gold-bearing liquor adsorption, desorption and electrolysis |
| 11/16/2004 | US6818119 Electrolysis and ion exchange followed by melting to produce pure metals |
| 11/16/2004 | CA2103991C Process for continuous electrochemical lead refining |
| 11/16/2004 | CA2078048C Acid leaching of copper ore heap with fluoroaliphatic surfactant |
| 11/11/2004 | WO2004096717A2 Method and apparatus for treating waste water |
| 11/10/2004 | CN1175130C Method for outside-tank cooling for cathode liquid of manganese electrolyzing and method for recovering magnesium |
| 11/09/2004 | US6814847 Method and apparatus for electro-deposition of metal |
| 11/04/2004 | WO2004094699A1 Nano invar alloys and a process of producing the same |
| 10/27/2004 | CN1540038A Electrolysis unit for electrorefining metal from water solution of chloride |
| 10/27/2004 | CN1173077C Process for preparing antimony by electrolyzing slurry of sulfide ore containing antimony |
| 10/27/2004 | CN1173076C Process for purifying gold by use of controllable pulse and auxiliary electrode |
| 10/21/2004 | US20040209132 Hydrogen sensor for fuel processors of a fuel cell |
| 10/20/2004 | EP1194612A4 Electrowinning cell incorporating metal ion filtration apparatus |
| 10/06/2004 | CN1170008C Method for removing bismuth and antiomny from silver electrolyte |
| 09/29/2004 | EP1461474A1 Method and apparatus for producing negative and positive oxidative reductive potential (orp) water |
| 09/28/2004 | CA2221779C Redox control in the electrodeposition of metals |
| 09/22/2004 | EP1458906A2 Electrochemical process for preparation of zinc metal |
| 09/22/2004 | CN1531648A Method for inspecting electrode surface quality |
| 09/22/2004 | CN1530469A High efficient copper foil and producing method thereof |
| 09/21/2004 | US6793799 Electrolytic oxidation reduction sequence; purification of fission products (fp) |
| 09/16/2004 | WO2004079052A2 Method for copper electrowinning in hydrochloric solution |
| 09/16/2004 | US20040178080 Low temperature alkali metal electrolysis |
| 09/08/2004 | EP1455005A2 Copper foil for high frequency circuit and method of producing of same |
| 09/08/2004 | CN1527891A Mobile zinc cathode stripping system |
| 09/07/2004 | US6787019 Low temperature alkali metal electrolysis |
| 09/02/2004 | WO2004074550A1 ELECTROLYTE FOR NANOCRYSTALLINE Fe-Ni ALLOYS WITH LOW THERMAL EXPANSION |
| 09/02/2004 | WO2003056645A3 Method and device for regenerating zinc electrodes |
| 09/02/2004 | US20040168922 Discrete particle electrolyzer cathode and method of making same |
| 08/17/2004 | CA2167026C Method of recovering antimony and bismuth from copper electrolyte |
| 08/12/2004 | US20040154930 Copper foil for high frequency circuit and method of production of same |
| 08/11/2004 | CN1519395A Electrolytic appts. and electrolytic treatment method |
| 08/05/2004 | WO2004034427B1 Semiconductor packages, lead-containing solders and anodes and methods of removing alpha-emitters from materials |
| 08/05/2004 | US20040149589 Adding quillaja saponaria molina tree extract containing triterpenic saponins to electrolyte solution; low cost; preventing bubble formation |
| 08/03/2004 | US6770391 Hydrogen sensor for fuel processors of a fuel cell |
| 08/03/2004 | US6770187 Method for electrochemically producing an alkali metal from an aqueous solution |
| 07/29/2004 | US20040144208 Process for refining raw copper material containing copper sulfide mineral |
| 07/28/2004 | EP1440175A2 Superconductor materials and fabrication method using electrolytic reduction and infiltration |
| 07/22/2004 | US20040140222 Electrolyzer immersed in electrolyte including dissolved metal isenergized by a power supply and cell voltage across anode and cathode is monitored; durability, shelf life |
| 07/21/2004 | CN1158409C Method of recovering antimony and bismuth from copper electrolyte |
| 07/08/2004 | US20040130076 System for direct electrowinning of copper |
| 07/07/2004 | EP1434893A1 Zinc recovery process |
| 06/24/2004 | WO2004016828A3 Antimisting agents |
| 06/17/2004 | WO2004034427A3 Semiconductor packages, lead-containing solders and anodes and methods of removing alpha-emitters from materials |
| 06/16/2004 | CN1153850C Process for preparing high-purity gold by electrolyzing extracted gold-contained organic phase |
| 06/10/2004 | US20040108200 Controlled concentration electrolysis system |
| 06/09/2004 | CN1502710A Deep purifying method for manganese sulfate solution |
| 06/03/2004 | US20040104118 Adding to electrolyte mixture an additive, consisting of gelatin, hydroxyethyl Cellulose, and bis/sodiumsulfopropyl/disulfide, forming smooth surface, copper clad laminate for a printed circuit, lithium battery electrode |
| 06/02/2004 | CN1500892A Refined method for copper materials containing copper sulphide minerals |
| 06/02/2004 | CN1152158C Solvent extraction process for purifying copper electrolyte |
| 05/26/2004 | CN1498987A Nano twin crystal copper material with ultrahigh strength and superhigh conductivity as well as preparation method |
| 05/20/2004 | US20040097755 Ionic liquids and their use as solvents |
| 05/13/2004 | WO2004040041A1 Electrolytic deposition method for nano-size metal cobalt fine particles |
| 05/13/2004 | US20040089103 Method for the removal of calcium from a zinc process sulfate solution |
| 05/13/2004 | DE10153544B4 Vorrichtung zur Steuerung des Durchflusses in einem Galvanisierungsprozeß Apparatus for controlling the flow in a galvanizing |
| 05/12/2004 | EP1417357A2 Hydrogen evolution inhibiting additives for zinc electrowinning |
| 05/12/2004 | CN1496420A Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 05/12/2004 | CN1496414A A method for removal of calcium from zinc frocess sulfate solution |
| 05/11/2004 | US6733653 Electrowinning cell incorporating metal ion filtration apparatus |
| 05/06/2004 | US20040083855 Antimisting agents |
| 05/05/2004 | CN1493715A Technological method of producing copper anode plate using fuel gas |
| 05/04/2004 | US6730210 Electrolyzing alkali metal halide in presence of co-electrolyte which is a nitrogen-containing compound and group ib halides, group iiia halides, group viii halides and water to produce alkali metal |
| 04/29/2004 | WO2004035868A1 Electrolysis process and cell for use in same |
| 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 | CA2502650A1 Electrolysis process and cell for use in same |
| 04/28/2004 | EP1413651A1 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 |
| 04/28/2004 | EP1412557A2 Process for direct electrowinning of copper |
| 04/28/2004 | CN2613491Y Profile aluminium plate |
| 04/28/2004 | CN1492948A Method for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials |
| 04/28/2004 | CN1492079A Method for recovering stibium and bismuth from copper electrolyte |
| 04/22/2004 | WO2004034427A2 Semiconductor packages, lead-containing solders and anodes and methods of removing alpha-emitters from materials |