| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 04/21/2004 | CN1490433A Preparation of high purity indium |
| 04/15/2004 | WO2004031453A1 Electowinning of metals |
| 04/15/2004 | US20040069652 Method for producing high purity nickle, high purity nickle, sputtering target comprising high purity nickel, and thin film formed by using said spattering target |
| 04/14/2004 | CN1489642A Method for producing high-purty nickel, high-purity nickel formed sputtering target and thin film formed by using said sputtering target |
| 04/08/2004 | US20040067183 Using sulfate; neutralization, leaching, electrolysis |
| 04/08/2004 | US20040065954 Semiconductor packages; lead-containing solders and anodes; and methods of removing alpha-emitters from materials |
| 04/07/2004 | CN2609941Y Zinc electrolytic cooling tower |
| 03/31/2004 | EP1402088A2 Mobile zinc cathode stripping system |
| 03/25/2004 | WO2004025760A1 Improved fuel for a zinc-based fuel cell and regeneration thereof |
| 03/25/2004 | WO2004024996A1 Method for operating a metal particle electrolyzer |
| 03/25/2004 | WO2004024990A1 Controlled concentration electrolysis system |
| 03/25/2004 | US20040055967 Applying voltage while distributing cleaning liquid in order to ionize; oxidation/reduction |
| 03/18/2004 | WO2004022796A1 Process and apparatus for recovery of cyanide and metals |
| 03/18/2004 | WO2003102275A3 Electrochemical process for preparing zinc metal and process for preparing zinc dithionite using electrochemically produced zinc metal |
| 03/18/2004 | WO2003048425A3 Electrochemical process for preparation of zinc metal |
| 03/18/2004 | US20040053132 Electrochemical cells; narrow particle size distribution for improved air flow |
| 03/10/2004 | EP1395690A4 Method and apparatus for electro-deposition of metal |
| 03/10/2004 | EP1395690A2 Method and apparatus for electro-deposition of metal |
| 03/10/2004 | EP1395531A2 System and method for the production and use of hydrogen on board a marine vessel |
| 03/10/2004 | CN1141419C Anode plate for electrolyzing metal manganese |
| 03/04/2004 | US20040042945 Electrolysis; solvent extraction; ion exchanging |
| 03/03/2004 | CN2605271Y Electrolytic tank for noble metal extraction |
| 03/03/2004 | CN2605270Y Heat insulating electrolytic tank for noble metal extraction |
| 03/03/2004 | CN1479793A Mtehod for hydrolytic precitpitation of iron |
| 03/03/2004 | CN1140339C Preparation method of crystal silver catalyst |
| 03/02/2004 | CA2041055C Aluminium cathode for electrowinning zinc |
| 02/26/2004 | WO2004016828A2 Antimisting agents |
| 02/19/2004 | US20040031356 Process for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials |
| 02/17/2004 | US6692628 Process to remove ferric iron impurities from an acidic aqueous solution used in the electro-winning of copper |
| 02/05/2004 | US20040020765 Edge insulating member for electrode plate, method of locking and unlocking the edge insulating member, and edge insulating member installation jig |
| 02/04/2004 | CN1472365A Waste electrolytic copper liquid treating process |
| 02/03/2004 | US6685820 Method for treating spent tin/lead stripping solution |
| 01/29/2004 | US20040016650 For chemical reaction of liquid, vapor or gaseous hydrocarbons with either water or water vapor and either air or oxygen, to produce a hydrogen-rich synthesized gas for use in fuel cells |
| 01/28/2004 | CN1470675A Waste lead battery lead recovery process |
| 01/22/2004 | US20040011664 Introducing fresh electrolyte and sparging gas to a manifoid system in the cell, controlling flow of fresh electrolyte and sparging gas in the manifold system and providing outlet openings in the manifold system for electrowinning of copper |
| 01/22/2004 | US20040011662 Hydrogen-assisted electrolysis processes |
| 01/20/2004 | US6679984 Method for recovery of gold and silver |
| 01/20/2004 | CA2104120C Mineral recovery apparatus |
| 01/15/2004 | WO2004005586A1 Electrolytic method of the extraction of metals |
| 01/15/2004 | US20040007477 Electrowinning and metal electrodeposition on the cathodes, by leaching a metal compound with an acid, salt formation, deoxygenation |
| 01/14/2004 | EP1379712A2 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 01/14/2004 | CN1468325A System and method for the production and use of hydrogen on board a marine vessel |
| 01/14/2004 | CN1467310A Time sharing power supply optimization scheduling technology in zinc electrolysis course |
| 01/08/2004 | WO2002016289A3 System and method for the production and use of hydrogen on board a marine vessel |
| 01/07/2004 | CN2597489Y Silver electrolysing anode basket device |
| 01/07/2004 | CN1465750A Apparatus for cooling zinc electrolytic solution |
| 01/07/2004 | CN1465724A Wet method copper-extracting process |
| 12/31/2003 | WO2004001098A1 Method for treating blister copper |
| 12/16/2003 | US6663689 Process for direct electrowinning of copper |
| 12/11/2003 | WO2003102275A2 Electrochemical process for preparing zinc metal and process for preparing zinc dithionite using electrochemically produced zinc metal |
| 12/11/2003 | WO2000079029A3 Method and apparatus for electro-deposition of metal |
| 12/04/2003 | US20030221972 Process for preparing zinc metal which comprises electrochemically reducing an aqueous alkaline slurry or solution of zinc oxide or any other compound that reacts with an aqueous base to produce zinc oxide, wherein the process |
| 12/03/2003 | EP1366201A1 A method for the removal of calcium from a zinc process sulfate solution |
| 12/03/2003 | CN1460132A Method and apparatus for electro-deposition of metal |
| 11/27/2003 | WO2003097903A1 Method and device for producing high-purity metal |
| 11/25/2003 | US6652725 Electrodeposition apparatus for producing electrodeposited copper foil and electrodeposited copper foil produced by the apparatus |
| 11/20/2003 | WO2002072921A3 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 11/19/2003 | EP1099010B1 Method for recovering precious metals |
| 11/19/2003 | CN2586704Y Electrode of bismuth ore fluosilicic acid pulp electrolytic cell |
| 11/12/2003 | EP1361296A1 Method for electrolytic production of ultra-pure zinc or zinc compounds from zinc primary and secondary raw materials |
| 11/12/2003 | CN2585871Y High temp. and high pressure stripping electrolyzer |
| 11/12/2003 | CN1455023A Electro-deposition method of separating yttrium-90 from strontium-90-yttrium-90 system |
| 11/11/2003 | US6646733 Method for inspecting electrode surface quality |
| 11/11/2003 | CA2111792C Electrolytic process for extracting platinum of high purity from platinum alloys |
| 11/06/2003 | WO2003091463A1 Method for the recovery of gold |
| 11/05/2003 | CN1453395A Electrolytic reduction process of preparing bivalent europium |
| 11/04/2003 | US6641712 Process for the recovery of tin, tin alloys or lead alloys from printed circuit boards |
| 11/04/2003 | CA2111791C Electrolytic process for dissolving platinum, platinum metal impurities and/or platinum metal alloys |
| 10/30/2003 | WO2003089675A1 Method for the purification of copper chloride solution |
| 10/30/2003 | US20030200838 Method for treating spent tin/lead stripping solution |
| 10/23/2003 | WO2003010362B1 Process for direct electrowinning of copper |
| 10/15/2003 | CN1449457A Method and apparatus for processing metals, and the metals so produced |
| 10/15/2003 | CN1448541A Process for preparing high-purity silver by electrolyzing extracted silver-contained organic phase |
| 10/15/2003 | CN1448540A Process for preparing high-purity copper by electrolyzing extracted copper-contained organic phase |
| 10/09/2003 | WO2003083178A1 Process for the preparation of zinc dithionite |
| 10/09/2003 | WO2003083147A1 Process for recovery of gallium |
| 10/09/2003 | WO2003016593A3 Hydrogen evolution inhibiting additives for zinc electrowinning |
| 10/08/2003 | CN1446944A Detachable type zinc electrolyte tank edges generating line mechanism |
| 10/02/2003 | US20030183535 Preparing zinc dithionite comprising reacting zinc metal with sulfur dioxide, wherein the zinc metal used in the reaction is produced by electrochemical reduction in an undivided electrochemical cell of an aqueous alkaline slurry or |
| 09/25/2003 | WO2003078696A1 Hydrogen-assisted electrolysis processes |
| 09/25/2003 | CA2479427A1 Hydrogen-assisted electrolysis processes |
| 09/18/2003 | WO2003076692A1 Minimising carbon transfer in an electrolytic cell |
| 09/18/2003 | CA2479050A1 Minimising carbon transfer in an electrolytic cell |
| 09/17/2003 | CN1442498A Method of crude gold purification |
| 09/03/2003 | EP1339883A1 Method for the hydrolytic precitpitation of iron |
| 09/03/2003 | CN2570306Y Anode plate for electrolytic lead |
| 08/28/2003 | WO2003010362A3 Process for direct electrowinning of copper |
| 08/26/2003 | US6610418 Electolytic copper foil with carrier foil and method for manufacturing the same |
| 08/26/2003 | US6610193 Systems and methods to convert water supplied to a vessel into hydrogen (H2) for later use as an energy carrier for vessel power or propulsion |
| 08/07/2003 | DE10211084C1 Recovery of noble metal, especially gold, from production residue, e.g. sludge, dross or polishing dust, involves dissolution in aqueous thiocyanate solution by adding strong oxidant, e.g. sodium peroxydisulfate or peroxide |
| 08/06/2003 | EP1258535B1 Process for electrolytic production of highly pure zinc or zinc compounds from primary and secondary zinc raw materials |
| 07/31/2003 | WO2003062498A1 Anodic energy storage in electrolysis of a single halide solution |
| 07/30/2003 | EP1070150B1 Method for treating steel works dust by wet process |
| 07/24/2003 | US20030136685 Process for electrochemical decomposition of superalloys |
| 07/17/2003 | DE10155791C1 Verfahren zum elektrochemischen Aufschluss von Superlegierungen A method for the electrochemical decomposition of superalloys |
| 07/16/2003 | EP1230439B1 Method for preventing stray currents in peripheral system parts during an electrolysis process for obtaining metals |
| 07/10/2003 | WO2003056645A2 Method and device for regenerating zinc electrodes |
| 07/09/2003 | EP1325165A1 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
| 07/09/2003 | EP1324979A2 Ionic liquids and their use as solvents |
| 07/02/2003 | CN1427092A Zinc electrolytic bath electrode plate insulation guide frame |