Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924)
01/2005
01/27/2005WO2005008715A2 Display device
01/27/2005WO2005008711A2 Electron emission device
01/27/2005US20050019613 High wear resistant hard film
01/27/2005US20050018467 Electron emission device
01/27/2005US20050017648 Display device
01/27/2005US20050016854 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
01/26/2005EP1500717A1 High wear resistant hard film
01/26/2005EP1499757A2 Method for the production of cathode blocks
01/26/2005CN1571866A Method and apparatus for smelting titanium metal
01/26/2005CN1570217A Method for sintering anode steel paw protection ring by utilizing anode charcoal block sintering waste heat
01/26/2005CN1570216A Aluminum electrolytic tank calcining method
01/26/2005CN1570215A Solid aluminium cathode and its using method
01/20/2005WO2004101853A3 Element for handling electrode connectors for electrolytic cells which are used for the production of aluminium
01/20/2005WO2004083488A3 Electrolytic cell for production of aluminum from alumina
01/20/2005DE19949868B4 Verfahren zur Herstellung von Kohlekörpern A process for the production of carbon bodies
01/19/2005EP1392892B1 Aluminium electrowinning cells having a drained cathode bottom and an aluminium collection reservoir
01/19/2005EP1366215B1 Thermally insulating structural components resistant to high temperature corrosive media
01/19/2005CN2672084Y Cathode aluminium guide rod seal device
01/19/2005CN2672083Y Pre baked cathode carbon block for aluminium electrolysis
01/19/2005CN1566405A Cold press moulding method for anode steel jaw protecting sleeve for aluminum and protecting sleeve produced thereby
01/13/2005WO2004088000A3 Process for the electrolysis of aluminiumsulfide
01/13/2005WO2004050955A3 Separation of metals
01/13/2005US20050006247 Chloride melt process for the separation and recovery of zinc
01/12/2005EP1495160A2 Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings
01/12/2005CN2670300Y Sand filter for alumina super concentrative phase conveying
01/12/2005CN1563500A Method for improving capability of electrolyte in technique of electrolytic aluminium
01/12/2005CN1563499A Method for separating groups and cleaning up pre baked anode blocks out of baking furnace, and assembling unit
01/12/2005CN1562883A Firebrick made from silicom nitride combined with silicon carbide in use for sidewall of electrobath for making aluminium
01/12/2005CN1184356C Method of producing aluminium scandium alloy by electrolysis
01/11/2005US6841292 Hydrogen sensor for fuel processors of a fuel cell
01/06/2005US20050000823 Aluminium production cells with iron-based metal alloy anodes
01/05/2005EP1492905A1 Reduction of metal oxides in an electrolytic cell
01/05/2005EP1423555B1 Aluminium electrowinning cells with inclined cathodes
01/05/2005CN1561401A Chloride melt process for the separation and recovery of zinc
01/04/2005US6838024 Method for making carbon blocks highly resistant to thermal shock
01/04/2005US6837982 Maintaining molten salt electrolyte concentration in aluminum-producing electrolytic cell
12/2004
12/30/2004US20040262166 Low temperature refining and formation of refractory metals
12/29/2004WO2004113593A1 Electrochemical reduction of metal oxides
12/29/2004EP1490535A1 Hydrogen-assisted electrolysis processes
12/29/2004EP1490534A2 Prevention of dissolution of metal-based aluminium production anodes
12/29/2004EP1399690B1 A process and a device for transport of gas
12/29/2004EP1377694B1 Metal-based anodes for aluminum production cells
12/29/2004EP1259659B1 Method of converting hall-heroult cells to inert anode
12/29/2004EP1257679B1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications
12/29/2004EP1049818B1 Non-carbon metal-based anodes for aluminium production cells
12/29/2004CN1557996A Joining method and apparatus of binode twisting-pulling mechanism and crust breaking mechanism
12/29/2004CN1557995A Energy-saving method for preparing electrolytic aluminium by reducing bath voltage
12/29/2004CN1182276C Titanium boride coating formula of cathode for aluminium electrolytic bath
12/23/2004WO2004112214A2 Methods for use of a photobiofuel cell in production of hydrogen and other materials
12/23/2004US20040256234 For fused bath electrolysis involving precise and reliable control over the amount of alumina dissolved in the bath of a production cell containing alumina dissolved in an electrolyte based on molten cryolite, particularly according to the Hall-Heroult process.
12/22/2004EP1489192A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications
12/22/2004EP1423556B1 Aluminium electrowinning cells with sloping foraminate oxygen-evolving anodes
12/22/2004EP1366211B1 Process for preparing silicon and optionally aluminum and silumin(aluminum-silicon alloy)
12/22/2004EP1190117B1 Electrolytic cell with improved alumina feed device
12/22/2004CN2665145Y Energy conservation aluminium steel composite construction anode steel paw
12/22/2004CN2665144Y Aluminium use anode carbon block and carbon bowl filling lining
12/22/2004CN2665143Y Novel chlorine collector
12/22/2004CN1556252A Method of directly preparing aluminium cerium internediate alloy using fused salt elactrolysis method
12/21/2004US6833058 Titanium-based and zirconium-based mixed materials and sputtering targets
12/16/2004WO2004095643A3 Nickel foam pin connections for inert anodes
12/15/2004EP1485521A2 Surface oxidised nickel-iron metal anodes for aluminium production
12/15/2004EP1370714B1 Process for preparing silicon by electrolysis and crystallization, and preparing low-alloyed and high-alloyed aluminum silicon alloys
12/15/2004EP1366214B1 Aluminium-wettable porous ceramic material
12/15/2004EP1364078B1 A material for a dimensionally stable anode for the electrowinning of aluminium
12/15/2004CN2663433Y Fully automatic control on-chain straightening machine of aluminium electrolysis anode steel jaw
12/15/2004CN1180130C Method for collecting asphalt smog in vibration process of prebaked anode
12/15/2004CN1180129C 碳素保护环 Carbon protection ring
12/14/2004CA2361613C Impregnated graphite cathode for electrolysis of aluminium
12/14/2004CA2336685C Molten salt electrolytic cell having metal reservoir
12/09/2004US20040247478 Reducing shaped titanium oxide bodies to titanium sponge in an electrolytic cell containing a molten electrolyte including cations of a metal that is capable of reducing titanium oxide (e.g., Ca cations); and reducing the volume of the bodies to form semi-finished or ready-to-use products
12/09/2004US20040247400 System for distribution of pulverulent material with controlled gravimetric flow rates
12/09/2004US20040245096 Dimensionally stable anode for the electrowinning of aluminum
12/08/2004EP1395529B1 Carbon tiles with refractory coating for use at elevated temperature
12/08/2004EP1230437B1 Inert anode containing oxides of nickel, iron and zinc useful for the electrolytic production of metal
12/08/2004EP0705233B1 Binder systems
12/08/2004CN2661707Y Flexible joint device for scorched particles roasting of aluminium cell
12/08/2004CN2661706Y Socket type aluminum guide bar for aluminium cell anode
12/08/2004CN2661705Y Eccentric anode producing device
12/08/2004CN2661704Y Separating device for filling material for aluminium electrolysis anode roasting
12/08/2004CN1552948A Preparation of composite titanium boride cathode for guide aluminium eledrolyzing tank
12/08/2004CN1552935A Dysprosium alloy and preparing method thereof
12/08/2004CN1552788A High temperature conductive binding material for aluminium electrolysis
12/07/2004US6827828 Mixed metal materials
12/02/2004WO2004104273A1 Cu-ni-fe anode for use in aluminum producing electrolytic cell
12/02/2004US20040238372 Manufacturing solar cell quality material; high temperature electrolysis of quartz using calcium chloride/calcium oxide salt melt; simple, low cost
12/02/2004US20040238366 Method and system with apparatus for acceleration of activity decrease and radioactive material deactivation
12/02/2004US20040238352 Production, refining and recycling of lightweight and reactive metals in ionic liquids
12/02/2004US20040237711 Continuous thermal electrolytic reduction of titanium oxide using molten calcium chloride and calcium oxide; controlling dissolved oxygen concentration; low cost commercial production
12/02/2004US20040237710 Producing such as aluminum and magnesium metal with very low levels of oxygen using calcium chloride electrolyte
12/01/2004EP1481401A1 Electrochemical cell for metal production
12/01/2004EP1481115A2 Graphitized cathode blocks
12/01/2004CN1551929A Electrolytic production of high purity aluminum using ceramic inert anodes
12/01/2004CN1177955C Variable-discourse universe dadaptive fuzzy control method and device for pre-roasted electrolytic aluminium production
11/2004
11/25/2004WO2004101853A2 Element for handling electrode connectors for electrolytic cells which are used for the production of aluminium
11/25/2004US20040231979 Alloy-based anode structures for aluminium production
11/25/2004CA2525106A1 Element for handling electrode connectors for electrolytic cells which are used for the production of aluminium
11/24/2004CN1548587A Inert ceramet anode for electrolyzing molten salt and its prepn
11/24/2004CN1548586A Ceramet material with gradient function for electrolyzing Al
11/23/2004US6821312 Cermet inert anode materials and method of making same
11/18/2004WO2004070086A3 Servicing machine for electrolysis cells for producing aluminium
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