| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 04/09/2002 | US6368487 Producing sodium or potassium metal from a melt; process is stable over time; can be incorporated into existing chlor-alkali processes |
| 04/09/2002 | US6368486 Formed from alkali metal halides using a co-electrolyte; suitable for automation and economical |
| 04/03/2002 | EP0870078B1 A method for the use of material containing carbon in the electrolytic production of aluminium |
| 04/03/2002 | CN2484339Y Electrolyzer |
| 04/03/2002 | CN2484338Y Positive-pole clamp |
| 04/03/2002 | CN2484337Y Double-positive-pole structure |
| 04/03/2002 | CN1082101C Aluminium electrolyzer anode blanking exhaust seam making method |
| 04/02/2002 | US6365019 Universal fuel basket for use with an improved oxide reduction vessel and electrorefiner vessel |
| 04/02/2002 | US6365018 Electrolytic cells |
| 03/28/2002 | US20020036144 Copper-plating elecrolyte containing polyvinylpyrrolidone and method for forming copper interconnect of semiconductor device using the same |
| 03/27/2002 | EP1190203A1 Protection coating of wear-exposed components used for refining molten metal |
| 03/27/2002 | EP1190117A1 Electrolytic cell with improved alumina feed device |
| 03/27/2002 | EP1190116A1 Molten salt bath circulation design for an electrolytic cell |
| 03/27/2002 | CN2483398Y Mechanism for lifting positive electrode of miniature prebacked cell |
| 03/27/2002 | CN1342219A Graphite cathode for electrolysis of aluminium |
| 03/27/2002 | CN1342210A Method and apparatus for treatment of melt |
| 03/27/2002 | CN1341780A Protection cover of aluminium electrolytic prebaked anode steel jaw and its production method |
| 03/26/2002 | US6361681 Slurry for coating non-carbon metal-based anodes for metal production cells |
| 03/26/2002 | US6361680 Anode for aluminum production created by micropyretic reaction of nickel, aluminum, iron, and copper with silicon, tin, zinc, vanadium, indium, hafnium, tungsten, misch metals, or lathanides as additives; thin oxide layer gives durability |
| 03/21/2002 | WO2001041152A3 Actinide production |
| 03/20/2002 | CN1341163A Electrolytic cells swept by electromagentic field and process therefor |
| 03/19/2002 | US6358393 Aluminum production cell and cathode |
| 03/14/2002 | US20020032499 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 03/13/2002 | EP1185724A2 Aluminium electrowinning cells having a v-shaped cathode bottom |
| 03/07/2002 | US20020027069 Aluminium electrowinning cells with oxygen-evolving anodes |
| 03/06/2002 | CN1339071A Impregnated graphite cathode for electrolysis of aluminium |
| 02/27/2002 | CN2479028Y Drawer-type cell cover plate |
| 02/21/2002 | WO2002014698A1 Pneumatic actuator system |
| 02/20/2002 | CN2477651Y Small area purifying and recovering appts. |
| 02/20/2002 | CN2477650Y Electromagnetic interference preventing bus structure of aluminium electrolytic end tank |
| 02/20/2002 | CN2477649Y Reprepared compound anode |
| 02/19/2002 | CA2199102C Cryolite resistant refractory |
| 02/07/2002 | US20020014416 Electrolysis of magnesium chloride dissolved in a molten salt electrolyte in an electrolytic cell having an anode and a cathode, and feeding hydrogen into anode to form hydrogen chloride and producing magnesium |
| 02/07/2002 | US20020014404 Anode, a process for the manufacture thereof and a process for the production of aluminum |
| 02/06/2002 | EP1178004A1 Collecting, cleaning and calibrating unit for aluminium production electrolytic cells |
| 01/31/2002 | WO2001063012A3 Method of converting hall-heroult cells to inert anode |
| 01/30/2002 | CN1333842A Wettable and erosion/oxidation-resistant carbon-composite materials |
| 01/29/2002 | CA2238913C Bottom lining for electrolytic cells and process for its manufacture |
| 01/24/2002 | WO2002006565A2 Insulation assemblies for metal production cells |
| 01/23/2002 | EP1173630A1 Electrolytic cells swept by an electromagnetic field and process therefor |
| 01/23/2002 | CN1078268C Process for preparing mixed rare-earth metals |
| 01/23/2002 | CN1078267C Hall tank for electrolytic reduction of alumina and its side wall |
| 01/17/2002 | WO2001042534A3 Metal-based anodes for aluminium electrowinning cells |
| 01/16/2002 | CN2471796Y Electrolytic tank siphon discharger for fluorine compounds molten rare earth salts |
| 01/16/2002 | CN2471795Y Separate anode bus lifting device |
| 01/16/2002 | CN2471794Y Carbon protecting ring for anode steel jaws of aluminum electrolytic tank |
| 01/16/2002 | CN2471793Y Improved anode lifting transmission |
| 01/15/2002 | US6338785 Start-up of aluminum electrowinning cells |
| 01/09/2002 | CN1330732A Multi-layer cathode structures |
| 01/08/2002 | CA2164338C Carbon-containing materials with binder phase of polymerizable resin and their preparation |
| 01/03/2002 | US20020000373 Graphitized cathode block for aluminum smelting |
| 01/02/2002 | EP1167558A1 Apparatus and system for electrolytically refining molten sodium |
| 12/26/2001 | CN2467528Y Corrosion-resisting anode steel-casting jaw |
| 12/25/2001 | US6332969 Inert electrode containing metal oxides, copper and noble metal |
| 12/19/2001 | CN1327488A Cathode collector bar with spacer |
| 12/13/2001 | WO2001094667A1 Electrolytic cell for the production of aluminium and a method for maintaining a crust on a sidewall and for recovering electricity |
| 12/12/2001 | CN2464743Y Pre-baking anode steel pawl protection ring |
| 12/12/2001 | CN2464742Y Reinforcing device for steel-aluminium transition block of aluminium guide rod of electrolytic bath |
| 12/11/2001 | US6329098 Method for converting and storing energy |
| 12/05/2001 | EP1159469A1 Impregnated graphite cathode for electrolysis of aluminium |
| 12/05/2001 | EP0931182B1 Ultrastable anodes for aluminum production cells |
| 12/05/2001 | CN2463403Y Luminium-copper diecasted conductive connecting piece |
| 11/29/2001 | WO2001091163A2 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 11/29/2001 | US20010046605 Refractory coating for components of an aluminium electrolysis cell |
| 11/29/2001 | US20010045365 Molten salt electrolysis of alkali metals |
| 11/28/2001 | CN2461940Y Anode block distribution of prebaking anode intermediate blanking aluminium electric tank |
| 11/28/2001 | CN2461902Y Non-air hose aluminium oxide super-thick phase conveyer |
| 11/21/2001 | EP1155167A1 Electrolytic cell arrangement for production of aluminium |
| 11/21/2001 | EP0973956B1 Substrate body with a protective coating |
| 11/21/2001 | CN1322862A Aluminium electrolyzing production control system |
| 11/21/2001 | CN1322861A Automatic anode effect distinguishing method of aluminium electrolyzing production |
| 11/20/2001 | US6319388 Electrolysis tankrooms parallel and symmetrical to central passageway where handling of liquid-aluminum tapping ladles is carried out; closed loop; anodes handled by pricking surface crust, accumulation, fitting |
| 11/15/2001 | WO2001062996A9 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 11/15/2001 | US20010039852 Refining crude niobium in an electrolyte consisting of a melt of a complex niobium and potassium fluoride and mixture of alkali metal chlorides, and sodium fluoride, electrolysis to deposit niobium at cathode, electron beam melting the depsoit |
| 11/08/2001 | US20010037946 Method of converting Hall-Haroult cells to inert anode cells for aluminum production |
| 11/07/2001 | EP1151150A1 Graphite cathode for electrolysis of aluminium |
| 11/06/2001 | US6312570 Materials for use in electrochemical smelting of metals from ore |
| 11/01/2001 | US20010035347 Method for providing a protective coating for carbonaceous components of an electrolysis cell |
| 11/01/2001 | US20010035344 Retrofit aluminum smelting cells using inert anodes |
| 10/31/2001 | EP1149188A1 High-strength low-alloy steel anodes for aluminium electrowinning cells |
| 10/31/2001 | EP1149187A1 Aluminium electrowinning cells with oxygen-evolving anodes |
| 10/31/2001 | CN2457175Y New molten salt electrolytic bath |
| 10/31/2001 | CN1074063C Aluminium electrolytic flue dry-coagulation static purification method |
| 10/30/2001 | US6309595 Sputtering target, microelectronics |
| 10/24/2001 | EP1147246A1 Cathode collector bar with spacer for improved heat balance |
| 10/24/2001 | EP1147245A1 Electrolytic cell with improved alumina supply |
| 10/24/2001 | CN2455731Y Triangular anode lifting mechanism |
| 10/24/2001 | CN1318650A La-Pr-Ce-Al alloy and its production process |
| 10/23/2001 | US6306279 Anode cathode distance adjustment device |
| 10/18/2001 | WO2001077414A2 Anode cathode distance adjustment device |
| 10/17/2001 | EP1146146A2 Horizontal drained cathode surface with recessed grooves for aluminium electrowinning |
| 10/17/2001 | EP1144731A1 Multi-layer cathode structures |
| 10/17/2001 | EP0996772B1 Aluminium production cell design |
| 10/17/2001 | CN1317600A Low temp alkali metal electrolysis |
| 10/17/2001 | CN1073170C Prepn. of battery grade mixed rare earch metal by rere earth chloride molten-salt electrolysis |
| 10/11/2001 | US20010027923 Slow consumable non-carbon metal-based anodes for aluminium production cells |
| 10/11/2001 | DE10112822A1 Method of high-purity niobium production |
| 10/10/2001 | EP1141446A1 Wettable and erosion/oxidation-resistant carbon-composite materials |
| 10/10/2001 | EP1141425A1 Method and apparatus for the production of aluminium from alumina ore by aluminium sulfide process |
| 10/10/2001 | CN1072624C Antierosion fireproof material for aluminium electrolyser and its preparation method |