Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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09/15/2004 | CN2641061Y Solid aluminum calcining appts. for aluminum electrolyzer |
09/14/2004 | US6790337 Method and device for operating an electrolytic cell |
09/09/2004 | US20040173470 Reduction of metal oxides in an electrolytic cell |
09/08/2004 | CN2639317Y Material stirrer for fine aluminium production |
09/08/2004 | CN1165638C Method for producing multi-layer cathode structures |
09/07/2004 | US6787019 Low temperature alkali metal electrolysis |
09/02/2004 | WO2004074552A1 Molten salt electrolytic cell and method for producing zinc |
09/02/2004 | WO2004074551A2 Inert anode designs for reduced operating voltage of aluminum production cells |
09/02/2004 | WO2004074549A2 Aluminium electrowinning cells with metal-based anodes |
09/02/2004 | US20040168932 Refining, electrowinning; vapor deposition; alloy of titanium, tantalum |
09/02/2004 | US20040168931 Forming aluminum by reduction of alumina dissolving in cryolite melt bath |
09/02/2004 | US20040168930 Method for regulating an electrolytic cell |
09/01/2004 | EP1451390A2 Method and device for detecting anode effects of an electrolytic cell for aluminium production |
09/01/2004 | EP1252373B1 A method and device for operating an electrolytic cell |
08/31/2004 | US6783656 Low temperature operating cell for the electrowinning of aluminium |
08/31/2004 | US6783655 Electrolytic cell lined with refractory boride; forming aluminum |
08/26/2004 | WO2004049467A3 Inert anode assembly |
08/26/2004 | US20040163967 Inert anode designs for reduced operating voltage of aluminum production cells |
08/25/2004 | EP1448810A2 Alloy-based anode structures for aluminium production |
08/25/2004 | EP1448802A2 Electrochemical processing of solid materials in fused salt |
08/25/2004 | EP1272690B1 Electrolyte and diaphragm for fused salt electrolysis |
08/25/2004 | EP1252372A4 Method and apparatus for removing thimbles from the stubs of an anode |
08/25/2004 | CN1163637C Process for producing rare earth metals |
08/25/2004 | CA2753404A1 Protecting an inert anode from thermal shock |
08/24/2004 | CA2158719C Sensor arrangement for temperature measurement |
08/19/2004 | WO2004070086A2 Servicing machine for electrolysis cells for producing aluminium |
08/19/2004 | US20040161343 Process and a device for transport of gas |
08/19/2004 | US20040159559 Electrolysis of calcium, barium, lithium, cesium, or strontium chloride; reducing level of dissolved oxygen or other elements from solid metals, metal compounds and semi-metal compounds and alloys |
08/18/2004 | EP1446625A1 A method for operating a pre-bake electrolysis cell system and an arrangement for use in this system |
08/18/2004 | CN2633900Y Double anode turning mechanism |
08/18/2004 | CN1522315A Reduction of metal oxides in an electrolytic cell |
08/17/2004 | US6776081 Pneumatic actuator system |
08/12/2004 | DE10304315A1 Production of carnallite/sodium chloride crystals useful for magnesium production by melt electrolysis comprises two-stage crystallization of carnallite brine with addition of potassium chloride |
08/11/2004 | EP1445350A1 Method and apparatus for smelting titanium metal |
08/11/2004 | CN2632099Y Circular 10 thousand A electrolyzing tank for producing rare earth metals by molten salt process |
08/11/2004 | CN2632098Y Electrolytic aluminium anode transporting devices |
08/11/2004 | CN1520501A Process and device for transport of gas |
08/11/2004 | CN1161498C Production process of clean anode coke |
08/11/2004 | CA2418629A1 Green anode |
08/10/2004 | US6773574 Controlling the ram force to a preset maximum value to stop the rams when contacting the stubs; then advancing at the same speed to push the stubs through the thimble; avoids bending of carbon anode yoke; aluminum smelting |
08/10/2004 | CA2137817C Carbon masses in particular for use in aluminium production cells |
08/05/2004 | US20040149569 Aluminium-wettable porous ceramic material |
08/04/2004 | EP1443128A1 Service machine for electrolytic cells in aluminium production |
08/04/2004 | EP1442159A1 A dimensionally stable anode for the electrowinning of aluminium |
08/04/2004 | EP1366216B1 Cell for the electrowinning of aluminium operating with metal-based anodes |
08/04/2004 | CN2630262Y Slag-removing mechanism with linear motion-path crab bucket |
08/03/2004 | US6770391 Hydrogen sensor for fuel processors of a fuel cell |
08/03/2004 | US6770187 Method for electrochemically producing an alkali metal from an aqueous solution |
07/29/2004 | US20040144642 Cell for the electrowinning of aluminium operating with metal-based anodes |
07/29/2004 | US20040144641 Metal-based anodes for aluminum production cells |
07/29/2004 | DE202004008474U1 Crust breaking cylinder with a piston rod which breaks the crust by direct impact useful for breaking the crust of a melt, especially a molten aluminum melt |
07/28/2004 | EP1440175A2 Superconductor materials and fabrication method using electrolytic reduction and infiltration |
07/27/2004 | US6767444 Decomposing nitrides to crystalline metals; electrolysis in bath containing chlorides of same metals |
07/22/2004 | DE10300444A1 Collar protecting connection between anode and suspension used in electrolytic cells manufacturing aluminum, comprises dense, fired carbonaceous material |
07/22/2004 | DE10300443A1 Process for production of granular packing material for annealing of anodes for electrolytic production of aluminum involves comminuting anode residue material so that a mean grain size fraction is precipitated |
07/22/2004 | DE10261745B3 Kathodensystem zur elektrolytischen Aluminiumgewinnung Cathode system for electrolytic aluminum production |
07/21/2004 | EP1438246A1 System for distributing a pulverulent material with controlled gravimetric flow rates |
07/21/2004 | CN2627009Y An anode protecting device |
07/21/2004 | CN1514044A Method of producing aluminium zirconium alloy by hydrolysis |
07/21/2004 | CN1514043A Method of producing aluminium, Seandium, zirconium multielement alloy by electrolysis |
07/21/2004 | CN1514042A Production method of high purity aluminium scandium alloy |
07/21/2004 | CN1514041A Method of non stopping production reparing aluminium electrolysis bath side wall |
07/21/2004 | CN1513577A Regeneration method of medium for filtering asphalt fume |
07/21/2004 | CN1158410C Method and device for automatically measuring distribution of anode current in Al electrolyzer |
07/15/2004 | WO2004059039A1 Cathode systems for electrolytically obtaining aluminium |
07/15/2004 | US20040134785 Advanced high-throughput electrorefiner design |
07/15/2004 | CA2509839A1 Cathode systems for the electrolytic production of aluminum |
07/14/2004 | EP1436446A2 Coating precursor and method for coating a substrate with a refractory layer |
07/14/2004 | CN1511625A Inorganic nano porous film and its forming method |
07/07/2004 | EP1434892A1 Chloride melt process for the separation and recovery of zinc |
07/07/2004 | CN2623704Y Crust-breaking hammerhead |
07/07/2004 | CN2623703Y Anode carbon block with gain groove |
07/07/2004 | CN2623702Y Joining structure for jack pull-rod of anode lifting gearing |
07/07/2004 | CN2623661Y Turntable device for truck conveying aluminium pad bag |
07/06/2004 | US6758991 Stable inert anodes including a single-phase oxide of nickel and iron |
07/06/2004 | CA2361610C Graphite cathode for electrolysis of aluminium |
07/01/2004 | US20040124092 Inorganic nanoporous membranes and methods to form same |
06/30/2004 | EP1433861A2 Methods for producing a metallic alloy |
06/30/2004 | CN1509347A Arrangement of anode for utilization in electrolysis cell |
06/30/2004 | CN1509346A Electrolytic reduction of metal oxides |
06/30/2004 | CN1508293A Coke particle roasting and diverting method for two-end-supply aluminium electrolytic tank and current diverter |
06/29/2004 | CA2152048C Electrolysis cell for metal production |
06/24/2004 | WO2004033761A3 Point feeder and use of point feeder |
06/24/2004 | US20040118700 Isolation of lithium |
06/24/2004 | US20040118246 Oxidation; forming metal oxide chemical intermediate ; reducing metal oxide to alloy |
06/23/2004 | EP1431423A1 Method for manufacturing a lithium ion-conductor |
06/23/2004 | EP1431422A1 Method for manufacturing lithium |
06/17/2004 | WO2004050957A1 Electrolytic cell with improved feed device |
06/17/2004 | WO2004050956A1 A method of conditioning iron alloy-based anodes for aluminium electrowinning cells |
06/17/2004 | WO2004050955A2 Separation of metals |
06/17/2004 | US20040115085 Method for producing a metallic alloy by dissolution, oxidation and chemical reduction |
06/17/2004 | US20040112757 Forming molten aluminum by electrolysis of corresponding alumina ore |
06/17/2004 | US20040111874 Preparation of a lithium ion conductor |
06/17/2004 | CA2503902A1 Electrolytic cell with improved feed device |
06/17/2004 | CA2503131A1 A method of conditioning iron alloy-based anodes for aluminium electrowinning cells |
06/16/2004 | EP1428896A2 Method for producing a metallic alloy by dissolution, oxidation and chemical reduction |
06/16/2004 | CN1505586A A method and a system for distribution of fluidisable materials |
06/15/2004 | US6749373 Installation for feeding a plurality of loads/cells of aluminum melting furnaces with bulk material such as aluminum oxide |
06/10/2004 | WO2004049467A2 Inert anode assembly |
06/10/2004 | WO2004019430A3 Hydrogen/oxygen generating system with temperature control |