| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 04/10/2003 | US20030066755 From alumina; anode an porous iron-nickel alloy overcoated with mixed oxide |
| 04/10/2003 | CA2470757A1 Process for the graphitization of cathode blocks |
| 04/09/2003 | EP1049815B1 Method for producing surface coated non-carbon metal-based anodes for aluminium production cells |
| 04/09/2003 | EP0958409B1 Process for the electrolytic production of metals |
| 04/09/2003 | CN1409777A Method and device for operating electrolytic cell |
| 04/03/2003 | WO2003027360A2 Temperature control for low temperature reduction cell |
| 04/03/2003 | DE10164013C1 Longitudinal graphitization of cathode blocks for electrolytic production of aluminum comprises arranging blocks with gap between their ends, conductive moldings being placed between blocks |
| 04/02/2003 | EP1088113B1 Electrolytic process for removing a substance from solid compounds |
| 04/02/2003 | CN2542682Y Pneumatic sliding chute discharge device for aluminium electrolytic cell |
| 04/01/2003 | US6540902 To their corresponding metals in electrochemical cell |
| 04/01/2003 | US6540887 Aluminum electrowinning cells with oxygen-evolving anodes |
| 03/27/2003 | US20030057102 Temperature control for low temperature reduction cell |
| 03/27/2003 | US20030057101 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 03/26/2003 | EP1295312A2 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece |
| 03/26/2003 | CN1405459A Low-energy-consumption and low-heat-conduction husk disintegrating system |
| 03/26/2003 | CN1405358A Cathode block coated with titanium boride metal-ceramic composite material and its preparation method |
| 03/25/2003 | US6537438 Laminating a protective coatings to carbon cathode, protecting from thermal shock and degradation by products of combustion during pre-heating |
| 03/25/2003 | CA2192563C Actuator |
| 03/20/2003 | WO2003023092A2 Aluminium electrowinning cells with sloping foraminate oxygen-evolving anodes |
| 03/20/2003 | WO2003023091A2 Aluminium electrowinning cells with inclined cathodes |
| 03/19/2003 | EP1190203B1 Protection coating of wear-exposed components used for refining molten metal |
| 03/19/2003 | CN1404530A Electrolytic reduction of metal oxides such as titanium dioxide and process application |
| 03/18/2003 | US6533909 Electrolysis of alumina dissolved in a molten fluoride-containing electrolyte provided with bipolar electrode having carbon cathode and oxygen resistant anode which maintains dimensional stability |
| 03/13/2003 | WO2002097167A3 Operation of aluminium electrowinning cells having metal-based anodes |
| 03/13/2003 | WO2002061168A3 Methods of forming sputtering targets |
| 03/13/2003 | US20030047463 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 03/13/2003 | US20030047462 Electrolysis of mixed metal oxide feedstock in a fused metal salt or a mixture of such salts under conditions such that ionisation of oxygen rather than metal deposition occurs and that oxygen dissolves in the electrolyte |
| 03/12/2003 | EP1112393B1 Bipolar cell for the production of aluminium with carbon cathodes |
| 03/06/2003 | WO2003018877A1 Cermet inert anode assembly thermal insulating layer |
| 03/06/2003 | WO2003018876A2 Method for protecting electrodes during electrolysis cell start-up |
| 03/06/2003 | WO2003000958A3 Use of recuperative heating for start-up of electrolytic cells with inert anodes |
| 03/06/2003 | WO2002083991A3 Nickel-iron anodes for aluminium electrowinning cells |
| 03/06/2003 | US20030044659 Hydrogen sensor for fuel processors of a fuel cell |
| 03/05/2003 | EP1287183A1 Electrolytic cell for the production of aluminium and a method for maintaining a crust on a sidewall and for recovering electricity |
| 03/05/2003 | CN2538815Y Prebaked anode steel jaw pouring protecting ring |
| 03/05/2003 | CN1401018A A method for providing a protective coating for carbonaceous components of an electrolysis cell |
| 03/05/2003 | CN1401017A Refractory coating for components of and aluminum electrolysis cess |
| 03/05/2003 | CN1400334A Large-type aluminium electrolyzer cathode carbon block |
| 02/27/2003 | WO2003016594A1 Method of manufacturing titanium and titanium alloy products |
| 02/27/2003 | US20030039759 Method for protecting electrodes during electrolysis cell start-up |
| 02/27/2003 | US20030038039 Cermet inert anode assembly thermal insulating layer |
| 02/26/2003 | CN1399617A Method for making carbon blocks highly resistant to thermal shock |
| 02/20/2003 | WO2003014423A1 Component cathode collector bar |
| 02/20/2003 | WO2003014420A2 Aluminium production cells with iron-based metal alloy anodes |
| 02/20/2003 | US20030034253 Electrowinning using electrolytic cell |
| 02/20/2003 | CA2455783A1 Aluminium production cells with iron-based metal alloy anodes |
| 02/19/2003 | CN2536533Y Constant volume baiting devices |
| 02/18/2003 | US6521116 Comprising one or more anodes, having metal-based substrate and electrochemically-active iron oxide-based outside layer, a hematite-based layer, which remains dimensionally stable by maintaining iron concentration in alumina |
| 02/18/2003 | US6521115 Nickel-iron alloy-based anodes for aluminium electrowinning cells |
| 02/12/2003 | EP0973955B1 Method for producing a coating containing titanium boride |
| 02/12/2003 | CN1396310A Carbon anode with sequential tissue structure and its technological two-segment calcining curve |
| 02/12/2003 | CN1396309A Protecting jacket of self-calcining self-shaping anode and its preparing process |
| 02/12/2003 | CN1396306A Plating and osmosizing combined process for preparing multiple elements osmosized anticorrosion Ni-base-alloy |
| 02/12/2003 | CN1396282A Equipment for preparing regenerated fluoride salt or alumina from waste of aluminium electrolysis |
| 02/06/2003 | WO2003010363A1 Brasque paste for aluminium reduction cell |
| 02/05/2003 | EP0951337B1 Process for recovering cf 4? and c 2?f 6? from a gas |
| 02/05/2003 | CN2534146Y Anode lifting mechanism for electrolytic tank |
| 02/05/2003 | CN1395628A Method and apparatus for removing thimbles from stubs of anode |
| 01/30/2003 | WO2003008670A2 Process for purification of molten salt electrolytes |
| 01/30/2003 | WO2002031225A3 Electrode assembly for aluminium production cell with at least one anode having a sloped lower surface |
| 01/28/2003 | US6511590 Alumina distribution in electrolysis cells including inert anodes using bubble-driven bath circulation |
| 01/28/2003 | CA2215186C Process for regulating bath temperature in an electrolytic cell for aluminum production |
| 01/23/2003 | WO2003006717A1 Electrolytic cell with improved powder feed device |
| 01/23/2003 | WO2003006716A2 Alloy-based anode structures for aluminium production |
| 01/23/2003 | US20030015434 Containing magnesium chloride in which oxygen-containing impurities such as magnesium hydroxychloride are destroyed by passing a direct current through the molten electrolyte; producing magnesium metal and chlorine gas |
| 01/23/2003 | CA2450097A1 Electrolytic cell with improved powder feed device |
| 01/23/2003 | CA2450071A1 Alloy-based anode structures for aluminium production |
| 01/22/2003 | CN1392292A 碳素保护环 Carbon protection ring |
| 01/22/2003 | CN1392291A Cathode carbon block of aluminium electrolytic bath and its producing method |
| 01/16/2003 | US20030013775 Method and apparatus for removing thimbles from the stubs of an anode |
| 01/16/2003 | US20030010628 Having a cathode of drained configuration operating at reduced temperature from 730-910 degrees C. to limit the solubility of metal present at the surface of the nickel-iron alloy based anodes and prevent contamination; purity |
| 01/09/2003 | WO2003002785A1 Reduction of metal oxides in an electrolytic cell |
| 01/08/2003 | EP1272690A1 Electrolyte and diaphragm for fused salt electrolysis |
| 01/08/2003 | EP0771396B1 Actuator |
| 01/03/2003 | WO2003001106A1 A process and a device for transport of gas |
| 01/03/2003 | WO2003000958A2 Use of recuperative heating for start-up of electrolytic cells with inert anodes |
| 12/26/2002 | US20020195350 Use of recuperative heating for start-up of electrolytic cells with inert anodes |
| 12/26/2002 | US20020194953 Titanium materials |
| 12/25/2002 | CN1387588A Electrolytic production of high purity aluminum using inert anodes |
| 12/24/2002 | US6497807 Electrolyte treatment for aluminum reduction |
| 12/19/2002 | WO2002042526A3 Apparatus for the production of metallic magnesium |
| 12/18/2002 | EP1266050A1 Implantation of installations of an electrolysis plant for producing aluminium |
| 12/18/2002 | EP1114205B1 Method and apparatus for analysis of chemical constituents in an electrolysis cell |
| 12/12/2002 | WO2002099166A1 Electrolyte and method for manufacturing and/or refining of silicon |
| 12/12/2002 | CA2449659A1 Electrolyte and method for manufacturing and/or refining of silicon |
| 12/11/2002 | EP0821080B1 Process for producing rare earth metals |
| 12/11/2002 | CN2525103Y Automatic control gas collection and feeding material self baking side insert insert aluminium electrolytic bath |
| 12/11/2002 | CN1384891A Cermet inert anode for use in electrolytic production of metals |
| 12/05/2002 | WO2002097169A1 Aluminium electrowinning cells having a drained cathode bottom and an aluminium collection reservoir |
| 12/05/2002 | WO2002097168A1 Aluminium electrowinning cells having a drained cathode bottom and an aluminium collection reservoir |
| 12/05/2002 | WO2002097167A2 Operation of aluminium electrowinning cells having metal-based anodes |
| 12/05/2002 | WO2002096831A1 Hydrophilic protective layers bonded on hydrophobic substrates for use at elevated temperature |
| 12/05/2002 | WO2002096830A1 Carbon tiles with refractory coating for use at elevated temperature |
| 12/05/2002 | CA2451574A1 Operation of aluminium electrowinning cells having metal-based anodes |
| 12/05/2002 | CA2448566A1 Hydrophilic protective layers bonded on hydrophobic substrates for use at elevated temperature |
| 12/05/2002 | CA2448564A1 Carbon tiles with refractory coating for use at elevated temperature |
| 12/05/2002 | CA2448313A1 Aluminium electrowinning cells having a drained cathode bottom and an aluminium collection reservoir |
| 12/05/2002 | CA2448311A1 Aluminium electrowinning cells having a drained cathode bottom and an aluminium collection reservoir |
| 12/04/2002 | EP1261758A1 An electrolytic reduction cell and collector bar |
| 12/04/2002 | EP1105552B1 Slow consumable non-carbon metal-based anodes for aluminium production cells |