| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 08/21/2002 | CN1364853A Process for producing anode asphalt for refining aluminium |
| 08/20/2002 | US6436274 Electrowinning aluminum by electrolysis of alumina dissolved in molten fluoride-containing electrolyte; thickness; controlling oxidation rate |
| 08/20/2002 | US6436273 Electrolytic cell having metal halide electrolytes such as cryolite and v-shaped electrode surfaces |
| 08/20/2002 | US6436272 Electrodeposition in an electrolytic cell containing alumina dissolved in an electrolyte, an inert anode and cathodes having reservoirs for accumulation of metals |
| 08/20/2002 | US6436270 Method and device for controlling the movement of a feeding and breaking chisel in an aluminum production cell |
| 08/20/2002 | US6436250 Slurry and method for producing refractory boride bodies and coatings for aluminium electrowinning cell apparatus |
| 08/14/2002 | EP1230438A1 Electrolytic production of high purity aluminum using inert anodes |
| 08/14/2002 | EP1230437A1 Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metal |
| 08/14/2002 | EP1230436A1 Aluminum electrowinning cell with sidewalls resistant to molten electrolyte |
| 08/14/2002 | EP1230435A1 Low temperature operating cell for the electrowinning of aluminium |
| 08/14/2002 | CN1363728A Method and device for automatically measuring distribution of anode current in Al electrolyzer |
| 08/08/2002 | WO2002061168A2 Methods of forming sputtering targets |
| 08/07/2002 | EP1086257B1 Method and apparatus for the treatment of a melt |
| 08/06/2002 | US6428885 Titanium borides; oxidation and corrosion resistance; bonding strength |
| 08/06/2002 | US6428675 Passing current between anode and cathode in molten bath containing aluminum trichloride and alkali metal chloride at temperature of less than 300 degrees c., adding alumina which disassociates and produces solid aluminum at cathode |
| 07/31/2002 | EP1226288A1 Inert anode containing oxides of nickel, iron and cobalt useful for the electrolytic production of metals |
| 07/31/2002 | EP1226287A1 Cermet inert anode for use in the electrolytic production of metals |
| 07/30/2002 | US6425992 Surface coated non-carbon metal-based anodes |
| 07/24/2002 | EP1224340A1 Drained-cathode aluminium electrowinning cell with improved electrolyte circulation |
| 07/24/2002 | CN2502254Y Aluminium electrolytic tank electrolyte temp. quasi on-line detector |
| 07/23/2002 | US6423204 Molten salt bath of an electrolyte and an oxide of a metal to be collected, a cathode, and a cermet inert anode |
| 07/23/2002 | US6423195 Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metals |
| 07/18/2002 | WO2002055761A1 Anode for the electrolysis of aluminium |
| 07/18/2002 | US20020092774 Thermal shock protection for electrolysis cells |
| 07/18/2002 | US20020092765 Surface coated non-carbon metal-based anodes for aluminium production cells |
| 07/17/2002 | CN2500690Y Holding furnace with movable lid |
| 07/17/2002 | CN1358581A Harmless treatment and comprehensive utilization method for aluminium electrolytic carbon slag and waste cathode material |
| 07/16/2002 | US6419813 Cathode connector for aluminum low temperature smelting cell |
| 07/16/2002 | US6419812 Using alumina dissolved in electrolyte |
| 07/11/2002 | WO2002053495A1 Refractory hard metals in powder form for use in the manufacture of electrodes |
| 07/11/2002 | US20020088719 Low temperature alkali metal electrolysis |
| 07/11/2002 | US20020088718 Aluminium Electrowinning cells having a V-shaped cathode bottom |
| 07/10/2002 | CN2499811Y Device for measuring aluminium electrolyte temperature |
| 07/09/2002 | US6416649 Electrolytic production of high purity aluminum using ceramic inert anodes |
| 07/05/2002 | CA2330352A1 Refractory hard metals in powder form for use in the manufacture of electrodes |
| 07/04/2002 | WO2002006565A3 Insulation assemblies for metal production cells |
| 07/03/2002 | EP1218568A1 A carbon electrode and a method for producing such an electrode |
| 07/02/2002 | US6413406 Electrocatalytically active non-carbon metal-based anodes for aluminium production cells |
| 06/27/2002 | US20020079231 Start-up of aluminium electrowinning cells |
| 06/27/2002 | US20020079214 Apparatus and system for refining sodium |
| 06/26/2002 | EP1217100A1 Lifting device for the anode beams in electrolytic cells for the production of aluminium |
| 06/25/2002 | US6409908 By electrolysis using alkali metal amalgam as anode, a solid electrolyte which conducts alkali metal ions and a liquid alkali metal as cathode, the alkali metal amalgam as anode is kept in motion by stirring and/or by means of a pump |
| 06/25/2002 | US6409894 Lay-out of installations in an electrolysis plant for the production of aluminum |
| 06/20/2002 | US20020074235 Insulation assemblies for metal production cells |
| 06/20/2002 | US20020074224 Device for lifting the anode frame of an electrolysis cell for the production of aluminum |
| 06/20/2002 | US20020074223 Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes |
| 06/19/2002 | CN2495659Y Means for hanging electric heating body |
| 06/19/2002 | CN2495658Y Mixing furnace cell having dual layer aluminium flowing-out mouth |
| 06/19/2002 | CN2495657Y Syphone able to be directly inserted into mixing furnace |
| 06/19/2002 | CN1354283A Cast aluminium calcination method |
| 06/19/2002 | CA2363960A1 Device for raising the anode frame of an electrolytic cell for the production of aluminum |
| 06/18/2002 | US6406524 From the reduction process in electrolytic cells for aluminum, central storing place for aluminum oxide; a transportation system to distribute aluminum oxide |
| 06/18/2002 | US6406512 Method for producing high-purity niobium |
| 06/13/2002 | WO2002046499A1 Method and control unit for operation of aluminum reduction cell |
| 06/13/2002 | US20020070122 Production, refining and recycling of lightweight and reactive metals in ionic liquids |
| 06/12/2002 | EP1212756A1 Process for separating metals |
| 06/11/2002 | US6402928 From aluminum compound melt; heat insulation |
| 06/11/2002 | US6402927 Dissolving in molten fluoride electrolyte |
| 06/11/2002 | US6402926 Forming metal by electrolysis of metal oxide |
| 06/11/2002 | US6402910 Electrolytic cell |
| 06/11/2002 | CA2035336C Vehicle for collecting crust and carbon reminders from electrolysis cells |
| 06/06/2002 | US20020066674 Electrolytic cell with improved alumina feed device |
| 06/06/2002 | DE10060471A1 Process for monitoring and regulating the sealing of anodes during production comprises determining a sealing curve for controlling the sealing course, comparing with the ideal sealing curves |
| 06/05/2002 | EP1210471A1 Method for electrochemically producing an alkali metal from an aqueous solution |
| 06/05/2002 | EP1109953B1 Porous non-carbon metal-based anodes for aluminium production cells |
| 06/05/2002 | CN1352324A On-line real time measuring method and measurer for aluminium electrolyzing parameters |
| 05/30/2002 | WO2002042526A2 Apparatus for the production of metallic magnesium |
| 05/30/2002 | WO2002042525A1 Devices to conduct current to or from the electrodes in electrolysis cells, methods for preparation thereof, and an electrolysis cell and a method for production of aluminium by electrolysis of alumina solved in a melted electrolyte |
| 05/29/2002 | EP1208249A1 Method and device for controlling the movement of a supply and breaking chisel in an aluminium production cell |
| 05/29/2002 | CN1351195A Configuration for steel rods of carbon cathode in aluminium elecrolyzer |
| 05/29/2002 | CN1085745C Coke grain roast starting method for aluminium electrolyzer with pre-roasted anode |
| 05/23/2002 | WO2002040748A1 Intermetallic compounds |
| 05/22/2002 | CN2492563Y Electrolytic equipment for producing rare earth metal |
| 05/22/2002 | CN1350601A Molten salt bath circulation design for an electrolytic cell |
| 05/22/2002 | CN1349955A Production process of clean anode coke |
| 05/16/2002 | WO2002039043A1 Method for controlling the temperature of components in high temperature reactors |
| 05/16/2002 | US20020056650 Passing current between a ceramic inert anode and a cathode through a bath comprising an electrolyte and aluminum oxide |
| 05/14/2002 | US6387237 Cathode collector bar with spacer for improved heat balance and method |
| 05/08/2002 | CN2490169Y Draw-off TiB2-black-lead composite cathode aluminium electric tank |
| 05/08/2002 | CN2490168Y Outer power-supply electric heating roasting device of aluminium electric tank |
| 05/07/2002 | US6383360 Electrode and method for use in an electrolysis cell |
| 05/07/2002 | US6382881 Process for conveyance of powder materials in a hyperdense bed and potential fluidization device for embodiment of this process |
| 05/02/2002 | WO2001077414A3 Anode cathode distance adjustment device |
| 05/01/2002 | CN2488920Y Cathode block device |
| 05/01/2002 | CN1083814C Cryolite resistant refractory material |
| 04/30/2002 | US6379526 Electrowinning for aluminum by electrolysis of alumina, coating |
| 04/30/2002 | US6379512 Combination for electrolytic reduction of alumina |
| 04/24/2002 | CN1083496C Dry fume purifying system for self-roasting anodic aluminium electrolysis |
| 04/23/2002 | US6375813 Dimensionally stable anode for electrolysis, method for maintaining dimensions of anode during electrolysis |
| 04/18/2002 | WO2002031225A2 Electrode assembly for aluminium production cell with at least one anode having a sloped lower surface |
| 04/18/2002 | US20020043469 Carbon-containing components of aluminium production cells |
| 04/17/2002 | CN2486561Y Anode conoductor for energy saving anti-corrosion aluminium electrolytic bath |
| 04/16/2002 | US6372842 Methods of using an aqueous composition containing a water-soluble or water-dispersible synthetic polymer and resultant compositions formed thereof |
| 04/16/2002 | US6372119 Ceramic material exhibiting very low solubility in hall cell baths; aluminum |
| 04/16/2002 | US6372099 Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes |
| 04/16/2002 | CA2009304C Process for the production of a carbon-containing paste to be shaped after exiting a mixer |
| 04/11/2002 | WO2001091163A3 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 04/10/2002 | EP0932589B1 Slurry and method for producing refractory boride bodies and coatings for use in aluminium electrowinning cells |
| 04/10/2002 | CN2485315Y Anodic steel claw for preventing soluble corrosion |
| 04/09/2002 | US6368736 Reactant product valve for an electrolysis cell |