| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 11/09/2005 | CN1226465C Method for producing and using compound additives used in electric deposition to level and polish metal |
| 11/05/2005 | CA2506270A1 A method of controlling an aluminum cell with variable alumina dissolution rate |
| 11/03/2005 | WO2005103338A1 Production of iron/titanium alloys |
| 11/03/2005 | US20050241943 Lithium cobaltate forming positive electrode of lithium secondary battery is subjected together with lithium metal to reducing reaction in molten lithium chloride to produce lithium oxide and to precipitate cobalt or cobalt oxide; lithium oxide is subjected to electro-deposition to deposit lithium metal |
| 11/03/2005 | CA2505440A1 A corrosion resisting joining area and method between materials of copper and stainless steel or titanium, which are the constituents of permanent cathodes for electrolytic processes and cathodes obtained |
| 10/27/2005 | WO2005100622A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters |
| 10/27/2005 | CA2563075A1 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters |
| 10/20/2005 | WO2005098092A2 Precious metal recovery |
| 10/20/2005 | CA2563435A1 Precious metal recovery |
| 10/12/2005 | CN2732762Y Wire frame combined type anode basket device for direct electrolysis of copper scrap |
| 10/05/2005 | EP1461474A4 Method and apparatus for producing negative and positive oxidative reductive potential (orp) water |
| 09/28/2005 | CN1673416A Method for producing indium-containing aqueous solution |
| 09/28/2005 | CN1220795C Time sharing power supply optimization scheduling technology in zinc electrolysis course |
| 09/20/2005 | CA2358667C Apparatus for controlling flow in an electrodeposition process |
| 09/15/2005 | WO2005085484A1 Selective reduction of cupriferous calcine |
| 09/15/2005 | WO2005012597A3 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction |
| 09/15/2005 | WO2004112214A3 Methods for use of a photobiofuel cell in production of hydrogen and other materials |
| 09/14/2005 | CN2725313Y Box type silver extraction machine |
| 09/09/2005 | WO2005083138A1 Ni-Pt ALLOY AND TARGET COMPRISING THE ALLOY |
| 09/08/2005 | US20050193863 Selective reduction of cupriferous calcine |
| 09/07/2005 | CN1664170A Method for producing aluminium and aluminium alloy by low temperature electrolysis |
| 09/07/2005 | CN1664132A Environmental protection method for extracting lead in waste storage battery |
| 09/07/2005 | CN1218071C Method and apparatus for processing metals, and the metals so produced |
| 09/01/2005 | WO2005080640A2 Process and plant for electrodepositing copper |
| 08/31/2005 | EP1490535A4 Hydrogen-assisted electrolysis processes |
| 08/31/2005 | CN1217033C Process for preparing high-purity copper by electrolyzing extracted copper-contained organic phase |
| 08/18/2005 | WO2003035941A3 Electrolytic processes with reduced cell voltage and gas formation |
| 08/11/2005 | WO2005073434A1 Ultrahigh-purity copper and process for producing the same |
| 08/10/2005 | EP1560948A1 Electrolysis process and cell for use in same |
| 08/10/2005 | CN1653210A Hydrogen-assisted electrolysis processes |
| 08/10/2005 | CN1653209A Hydrogen evolution inhibiting additives for zinc electrowinning |
| 08/10/2005 | CN1653197A Method for the recovery of gold |
| 08/03/2005 | EP1558790A2 Process for treating gaseous emissions generated during production of carbon anodes in an aluminum plant |
| 08/03/2005 | CN1650052A Minimising carbon transfer in an electrolytic cell |
| 07/28/2005 | US20050160877 recovery of gold in connection with the hydrometallurgical production of copper from a residue or intermediate product containing sulphur and iron generated in the leaching of copper raw material. The recovery of both copper and gold takes place in solution |
| 07/27/2005 | CN1646711A Method for the purification of copper chloride solution |
| 07/27/2005 | CN1212430C Electrolytic reduction process of preparing bivalent europium |
| 07/21/2005 | US20050155870 Method for producing indium-containing aqueous solution |
| 07/13/2005 | CN1210417C Recovery of nickel and cobalt and copper from sulfidic flotation concentrate by wet metallurgical process |
| 07/07/2005 | US20050145073 Method for the purification of copper chloride solution |
| 07/05/2005 | CA2199788C Method of purifying copper electrolytic solution |
| 06/30/2005 | CA2547162A1 Flow-through oxygenator |
| 06/29/2005 | CN1208482C Method of crude gold purification |
| 06/23/2005 | WO2005033372A8 Method of manufacturing diaphragm element and diaphragm element |
| 06/09/2005 | US20050121334 Method and apparatus for producting negative and positive oxidative reductive potential (orp) water |
| 06/07/2005 | US6902677 Applying voltage while distributing cleaning liquid in order to ionize; oxidation/reduction |
| 06/02/2005 | US20050115841 Method of producing electrolytic hydrogen using rare element-deposit electrode |
| 06/01/2005 | EP1230440A4 Cathode plate |
| 06/01/2005 | CN1204297C Method for removing sulfur in nickel leaching process |
| 05/26/2005 | US20050109636 Generation. conditioning , reuse of metal containing electrolytes; surface treatment; ion exchanging |
| 05/25/2005 | EP1533398A1 Process for producing an electrolyte ready for use out of waste products containing metal ions |
| 05/25/2005 | CN1619019A New type zinc electrolysis bath electrode plate insulation guide frame |
| 05/25/2005 | CN1619018A Preparation method of ultra high pure metal gallium |
| 05/25/2005 | CN1203215C Cathode for electrolytic refining |
| 05/24/2005 | US6896788 Electrodes and an electrolyte produced in a plurality of electrolytic steps |
| 05/05/2005 | US20050092129 Positioning protective membrane permeable to oxygen anions but impermeable to carbon in ionic and nonionic forms |
| 05/04/2005 | CN2697109Y Silver electrolytic device |
| 05/04/2005 | CN1200145C Equipment and method for dissolving copper in step of producing raw liquid with electrolytic copper foil |
| 04/28/2005 | US20050087448 Electrochemical display element and electrochemical display |
| 04/27/2005 | CN1609279A Method for producing powder raw material of rigid alloy product from waste hard alloy |
| 04/27/2005 | CN1198970C Method for electrochemically producing lithium |
| 04/14/2005 | WO2005033372A1 Method of manufacturing diaphragm element and diaphragm element |
| 04/14/2005 | WO2003091463A8 Method for the recovery of gold |
| 04/14/2005 | US20050077250 Methods for recovering metals |
| 04/14/2005 | CA2540740A1 Method of manufacturing diaphragm element and diaphragm element |
| 04/06/2005 | CN1195906C Metal fine machining apparatus and method |
| 04/06/2005 | CN1195899C Producing alkali metal from alkali metal analgam by electrochemical method |
| 03/31/2005 | WO2005028687A1 Improvement to silver and gold leaching method with thiourea solutions |
| 03/31/2005 | WO2005028362A2 Method for the purification of sulphuric acids |
| 03/31/2005 | US20050067299 Electrolytic method in diaphragm-type cell |
| 03/31/2005 | US20050067291 High purity electrolytic copper and its production method |
| 03/31/2005 | CA2537709A1 Process for purifying sulphuric acids |
| 03/31/2005 | CA2534737A1 Improvement to silver and gold leaching method with thiourea solutions |
| 03/30/2005 | CN1195082C Process for recovering Mo from low-grade molybdenite by dump leaching |
| 03/29/2005 | US6872288 Apparatus for controlling flow in an electrodeposition process |
| 03/24/2005 | WO2004079052A3 Method for copper electrowinning in hydrochloric solution |
| 03/23/2005 | CN1598064A Process for separating and purifying ziuc and manganese dioxide in comprehensiv treating waste battery |
| 03/23/2005 | CN1598013A Process for removing copper of cobalt electrolytic solution |
| 03/23/2005 | CN1598012A Process for cleaning decopper nickel electrolytic solution |
| 03/22/2005 | US6869520 Process for the continuous production of high purity electrolytic zinc or zinc compounds from zinc primary or secondary raw materials |
| 03/22/2005 | US6869519 Electrolytic process for the production of metallic copper and apparatus therefor |
| 03/16/2005 | EP1417357B1 Hydrogen evolution inhibiting additives for zinc electrowinning |
| 03/03/2005 | WO2005019502A1 Gas sparging |
| 03/03/2005 | WO2004096717A3 Method and apparatus for treating waste water |
| 03/03/2005 | CA2536117A1 Gas sparging |
| 03/02/2005 | CN1587441A Process for preparing high purity nickel |
| 03/02/2005 | CN1191380C Method for extracting indium concentrate form indium and tin oxide waste |
| 03/01/2005 | US6860983 Electrowinning and metal electrodeposition on the cathodes, by leaching a metal compound with an acid, salt formation, deoxygenation |
| 02/23/2005 | CN1585828A Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 02/17/2005 | WO2004114430A3 Chemical power source-a hydrogen sulphide fuel cell |
| 02/16/2005 | CN1580298A New process for scale production of electrolytic metal zinc using zinc suboxide |
| 02/10/2005 | WO2005012597A2 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction |
| 02/09/2005 | CN1188548C Process for directly producing metal zinc by suspension electrolysing high-iron sphalerite |
| 02/03/2005 | US20050023151 Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction |
| 02/03/2005 | CA2531003A1 Low temperature refining and formation of refractory metals |
| 02/02/2005 | EP1502963A1 Recovery of metals from azole containing waste fluid by ozonization and electrolysis |
| 02/01/2005 | US6849172 Electrolytic process and apparatus |
| 02/01/2005 | CA2299960C Solution purification method for electrolyte |
| 01/27/2005 | US20050016854 Slip-casting a metal compound, sintering in air, vacum, or inert gas, and electrolytically reducing in molten salt forming a porous metal or alloy; then electrolytic reduction and infiltration of the pores; superconductors |
| 01/26/2005 | CN1571852A Zinc recovery process |