| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 05/11/2005 | CN2698814Y Aluminium electrolytic selfbaking cell anode bottom plane processing unit |
| 05/11/2005 | CN1615378A Stabilisation of liquid metal electrolyte systems |
| 05/11/2005 | CN1614098A Asphalt smoke treatment for producing prebaking anode |
| 05/11/2005 | CN1614097A Inactive anode for aluminium electrolysis |
| 05/11/2005 | CN1614096A Anodic carbon block vibrating and shaping method for aluminium |
| 05/11/2005 | CN1201034C Electrolytic cell for production of aluminium and method for maintaining crust on sidewall and recovering electricity |
| 05/06/2005 | WO2004092449A3 Aluminium-wettable carbon-based body |
| 05/06/2005 | WO2004079046A3 Handling gripper for an electrolysis cell service machine for the production of aluminium |
| 05/05/2005 | US20050092619 Process for electrolytic production of aluminum |
| 05/04/2005 | EP1527213A2 Method and system for cooling an electrolytic cell for aluminium production |
| 05/04/2005 | CN1612776A Noble-metal coated inert anode for aluminum production |
| 04/28/2005 | US20050087916 Non-consumable electrode for electrolysis of alumina; good mechanical properties and electrical properties with enhanced chemical stability |
| 04/28/2005 | US20050087448 Electrochemical display element and electrochemical display |
| 04/28/2005 | US20050087440 Thermally insulating structural components resistant to high temperature corrosive media |
| 04/27/2005 | EP1364077B1 A method and an electrowinning cell for production of metal |
| 04/27/2005 | EP1224340B1 Drained-cathode aluminium electrowinning cell with improved electrolyte circulation |
| 04/27/2005 | CN2695453Y New type earbon anode used for producing electrolytic aluminium |
| 04/27/2005 | CN1198971C Method for producing high purity aluminium primary substrate metal |
| 04/27/2005 | CN1198970C Method for electrochemically producing lithium |
| 04/26/2005 | US6884279 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 04/26/2005 | CA2192362C Method for the production of silicium metal, silumin and aluminium metal |
| 04/21/2005 | WO2005035813A2 Inert anode for producing aluminium by igneous electrolyse and method for producing said anode |
| 04/21/2005 | WO2005035805A1 METHOD FOR PRODUCING Ti OR Ti ALLOY TROUGH REDUCTION BY Ca |
| 04/20/2005 | CN1198000C Lanthanum and cerium composite alloy additive and preparing method thereof |
| 04/19/2005 | US6881321 Reacting chlorine gas with ore of metal to form chloride of metallic element; mixing metallic chloride in ionic liquid to form electrolyte; electrodepositing metallic element from electrolyte; and releasing a chlorine gas |
| 04/14/2005 | WO2005033370A2 Method for connecting a ceramic or ceramic-based inert anode and a connecting conductor |
| 04/14/2005 | WO2005033369A2 Method and system for controlling addition of powdery materials to the bath of an electrolysis cell for the production of aluminium |
| 04/14/2005 | WO2005033368A2 Device and method for connecting inert anodes for the production of aluminium by fused-salt electrolysis |
| 04/14/2005 | WO2005033366A1 Method of producing hydrogen and device therefor |
| 04/13/2005 | CN2692166Y Baffle mould |
| 04/13/2005 | CN1605657A Roasting method for aluminum electrolytic charcoal anode |
| 04/13/2005 | CN1196814C Implantation of installations of an electrolysis plant for producing aluminium |
| 04/12/2005 | US6878247 Metal-based anodes for aluminium electrowinning cells |
| 04/12/2005 | US6878246 Nickel foam pin connections for inert anodes |
| 04/07/2005 | DE10164009B4 Verfahren zur Herstellung von Kathodenblöcken Process for the preparation of cathode blocks |
| 04/06/2005 | CN2690420Y Beating hammer for aluminium electrolytic shell beating device |
| 04/06/2005 | CN2690419Y Pre baking anode carbon block marshalling unit |
| 04/06/2005 | CN2690129Y Irregular carbon product forming device |
| 04/06/2005 | CN1603473A Cathode carbon block calking installation method |
| 04/06/2005 | CN1195901C Molten salt bath circulation design for an electrolytic cell |
| 04/06/2005 | CN1195900C Wettable and erosion/oxidation-resistant carbon-composite materials |
| 04/06/2005 | CN1195899C Producing alkali metal from alkali metal analgam by electrochemical method |
| 03/31/2005 | US20050067298 Method and device for detecting anode effects of an electrolytic cell for aluminium production |
| 03/30/2005 | CN2688727Y Electrolyte temperature measuring device of network electrolyzing cell |
| 03/24/2005 | WO2003006717A8 Electrolytic cell with improved powder feed device |
| 03/23/2005 | CN1598069A Asymmetric type tank bottom bus and current distributing style |
| 03/23/2005 | CN1598068A Five power-on bus distributing style with different current |
| 03/23/2005 | CN1598067A Process and device adding aluminium fluoride raw material to aluminium electrolyic tank |
| 03/23/2005 | CN1598066A Process for mfg. premelting anode aluminium electrolytic tank |
| 03/17/2005 | WO2003089687A3 Cu-ni-fe anodes having improved microstructure |
| 03/16/2005 | CN2685354Y Connecting apparatus for aluminium electrolytic tank cathode steel bar and cathode aluminium bus |
| 03/16/2005 | CN1596318A Materials processing method and apparatus |
| 03/16/2005 | CN1594666A Alumina quantity uniform distribution method and device in fume dry purification |
| 03/16/2005 | CN1594665A Draft excluder and impurity clearing device during alumina conveying |
| 03/16/2005 | CN1594664A Fluoride purification process in electrolytic production of aluminum and dust collector therefor |
| 03/16/2005 | CN1594663A Blanking spot arrangement for super sized prebaked cell for aluminum reduction |
| 03/16/2005 | CN1594662A Production process for graphitized cathode |
| 03/16/2005 | CN1594661A Si3N4 and SiC bonded shaped brick for side wall of high temperature furnace aluminium cell |
| 03/16/2005 | CN1593874A Detection method for carbon block density during the forming process of aluminium electrolyse electrode |
| 03/15/2005 | US6866768 Providing a molten salt electrolyte having alumina dissolved therein in an electrolytic cell, providing non-consumable anodes and cathodes in electrolyte, passing electrical current; removing aluminum from cathode through opening |
| 03/15/2005 | US6866767 Adding alumina to Soderberg or pre-bake electrolytic cell supplied by scheduled crust breatking; monitoring electrical resistance |
| 03/15/2005 | US6866766 Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells |
| 03/10/2005 | WO2005021838A2 Measuring duct offgas temperatures to improve electrolytic cell energy efficiency |
| 03/10/2005 | WO2005021837A1 Use of infrared imaging to reduce energy consumption and fluoride gas evolution |
| 03/10/2005 | WO2005021809A1 Method and apparatus for producing metal |
| 03/09/2005 | CN1590590A Aluminium electrolytic tank combination method and its device |
| 03/09/2005 | CN1590589A Profiled si3 N4 combined SiC brick for aluminium electrolysis bath side wall |
| 03/08/2005 | US6863788 Interlocking wettable ceramic tiles |
| 03/03/2005 | WO2005019501A2 Thermal and electrochemical process for metal production |
| 03/03/2005 | CA2782837A1 Thermal and electrochemical process for metal production |
| 03/02/2005 | EP1509640A1 Aluminium electrowinning cell design with movable insulating cover sections |
| 03/02/2005 | EP1244824B1 Dense refractory material for use at high temperatures |
| 03/02/2005 | EP1240364B1 Metal-based anodes for aluminium electrowinning cells |
| 03/02/2005 | CN2682088Y 阳极碳块测高装置 Carbon anode blocks altimetry devices |
| 03/02/2005 | CN1589339A Dimensionally stable anode for the electro winning of aluminium |
| 02/24/2005 | WO2005017234A1 Metal electrowinning cell with electrolyte purifier |
| 02/24/2005 | US20050040047 Adjusting the feeding of aluminum fluoride to the electrolyte by detecting the temperature; repair the crust hole by covering with solid particles, electrolysis of alumina to produce aluminum; energy efficiency and to reduce fluoride emissions; electrochemical process |
| 02/24/2005 | DE19630874B4 Vorrichtung zur Überwachung und Steuerung der Dichte von ungebrannten Anodenblöcken Device for monitoring and controlling the density of the unfired anode blocks |
| 02/23/2005 | EP1508762A2 Refractory material for use at high temperatures |
| 02/23/2005 | CN2680685Y incurve straightener for anode steel claw with six claws |
| 02/23/2005 | CN1585828A Superconductor materials fabrication method using electrolytic reduction and infiltration |
| 02/23/2005 | CN1584125A Antioxygenation of carbon anodes for aluminum electrolysis, deep antioxygenating layer and its coating method |
| 02/23/2005 | CN1583301A Harmless treating method for waste tank lining of aluminium electrolytic bath |
| 02/17/2005 | WO2005014888A1 Oxide electrolyzing electrolysis device |
| 02/16/2005 | CN2679168Y Rare-earth electrolytic graphite rod cathode |
| 02/16/2005 | CN2679167Y Internal bend coalignment for anode steel crab |
| 02/16/2005 | CN1580331A Aluminium electrolysis prebaked anode raw block preparation composition |
| 02/15/2005 | US6855241 Includes melting furnace separate from and free of permanent interconnection with electrolytic cell; induction melting furnace designed for optimum heating and intermixing of cryolite electrolyte and alumina |
| 02/15/2005 | US6855234 Sinter-bonded direct pin connections for inert anodes |
| 02/15/2005 | CA2164687C Process and device for measuring melt electrolysis bath temperature and level in aluminium production tanks |
| 02/10/2005 | WO2004097074A3 Process and apparatus for positioning replacement anodes in electrolytic cells |
| 02/09/2005 | CN2677388Y Vertical aluminium guide bar straightener |
| 02/09/2005 | CN1576387A High wear resistant hard film |
| 02/03/2005 | WO2005010238A1 Low temperature refining and formation of refractory metals |
| 02/03/2005 | WO2005009685A1 Smelting device |
| 02/03/2005 | WO2004078303A3 Process for separating metals |
| 02/03/2005 | CA2531003A1 Low temperature refining and formation of refractory metals |
| 02/02/2005 | CN1575256A Advertising system and storage medium |
| 02/02/2005 | CN1187477C High graphite cathode carbon block |
| 01/28/2005 | CA2435223A1 High efficiency electrolysis |