C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts

Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924)
11/2002
11/27/2002	EP1259659A2 Method of converting hall-heroult cells to inert anode
11/26/2002	US6485628 Bath for electrolytic reduction of alumina and method therefor
11/21/2002	US20020170819 Low energy and non-heat transferring crust breaking system
11/20/2002	EP1257691A1 Refractory coating for components of an aluminum electrolysis cell
11/20/2002	EP1257690A1 A method for providing a protective coating for carbonaceous components of an electrolysis cell
11/20/2002	EP1257679A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications
11/20/2002	EP1257678A1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms
11/20/2002	EP1257677A1 Method of manufacture for ferro-titanium and other metal alloys by electrolytic reduction
11/14/2002	US20020166775 Drained-cathode aluminium electrowinning cell with improved electrolyte circulation
11/12/2002	US6478945 Method for producing highly pure aluminum primary base metal
11/07/2002	WO2002088433A1 Retrofit aluminum smelting cells using inert anodes
11/07/2002	WO2002088432A1 Arrangement of anode for utilisation in an electrolysis cell
11/07/2002	CA2445676A1 Arrangement of anode for utilisation in an electrolysis cell
11/06/2002	EP1255049A2 Low energy and heat transfer crust breaking system
11/06/2002	EP1155167B1 Electrolytic cell arrangement for production of aluminium
11/06/2002	EP0970264B1 Aluminium production cell and cathode
11/05/2002	US6475654 Automatic reactant dispenser for an electrolysis cell
11/05/2002	US6475358 Electrolysis of aluminum
10/2002
10/30/2002	EP1252373A1 A method and device for operating an electrolytic cell
10/30/2002	EP1252372A1 Method and apparatus for removing thimbles from the stubs of an anode
10/30/2002	CN1376813A Process for preparing AlTi alloy by direct electrolysis with carbon anode containing titanium oxide
10/24/2002	WO2002083993A1 Electrolytic reduction of metal oxides
10/24/2002	WO2002083992A2 Electrolytic production of high purity aluminum using ceramic inert anodes
10/24/2002	WO2002083991A2 Nickel-iron anodes for aluminium electrowinning cells
10/24/2002	WO2002083990A1 Metal-based anodes for aluminum production cells
10/24/2002	WO2002083989A1 Electrolytic reduction of metal oxides
10/24/2002	US20020153627 Cermet inert anode materials and method of making same
10/24/2002	DE10120160A1 Verfahren und Vorrichtung zum Durchführen einer thermischen Reaktion Method and apparatus for performing a thermal reaction
10/24/2002	DE10108893A1 Production of metals and their alloys and compound semiconductors comprises galvanically depositing metals, alloys or compound semiconductors from an ionic liquid or suitable molten salt in an electrolysis device
10/24/2002	CA2443960A1 Electrolytic reduction of metal oxides
10/24/2002	CA2443953A1 Electrolytic reduction of metal oxides
10/24/2002	CA2443745A1 Nickel-iron anodes for aluminium electrowinning cells
10/24/2002	CA2443744A1 Metal-based anodes for aluminum production cells
10/24/2002	CA2443124A1 Electrolytic production of high purity aluminum using ceramic inert anodes
10/23/2002	CN2517754Y Anode steel grab protective ring for aluminium
10/23/2002	CN1375577A Prepn. of yttrium-rich RE-Al intermediate alloy
10/17/2002	US20020148735 A carbon block is immersed in boron oxide containing melt and pressure is applied to the melt to impregnate the melt into pores of the block, withdrawing the blocks, boron oxide reacts with titanium or zirconium compounds to form diboride
10/16/2002	EP1249516A2 Process and apparatus for carrying out a chlor-alkali molten salt electrolysis
10/16/2002	CN1375104A Process for separating metals
10/10/2002	WO2002079546A1 Methods for electrolytically forming materials; and mixed metal materials
10/09/2002	CN2515208Y Automatic material-feeding quantitative device for aluminium electric tank
10/09/2002	CN1373819A Carbon electrode and method for producing such electrode
10/03/2002	WO2002077325A1 Process for preparing silicon and optionally aluminum and silumin(aluminum-silicon alloy)
10/03/2002	US20020139678 Automatic process control, more particularly, controlling a material deposition process; electroplating; constructing a Jacobian sensitivity matrix of the effects on plated material thickness at each of a plurality of workpiece position
10/03/2002	US20020139667 Methods for electrically forming materials; and mixed metal materials
10/02/2002	EP1244826A1 Metal-based anodes for aluminium electrowinning cells
10/02/2002	EP1244824A1 Dense refractory material for use at high temperatures
10/02/2002	EP0938598B1 Cathode construction
09/2002
09/26/2002	WO2002075023A2 Inert electrode material in nanocrystalline powder form
09/26/2002	WO2002074670A1 A method and a system for distribution of fluidisable materials
09/25/2002	EP1242332A1 Method for making carbon blocks highly resistant to thermal shock
09/25/2002	EP1086035B1 Method for conveying on high-density bed powder materials and device with potential fluidisation for implementing same
09/25/2002	CN1091471C Carbon block as cathode with compound titanium boride-carbon layer and its preparing process
09/24/2002	US6455107 Protective coating is applied in one or more layers from a colloidal slurry containing reactant or non-reactant substances, or a mixture of reactant and non-reactant substances, in particular mixtures containing silicon carbide
09/24/2002	US6455097 Method and apparatus for applying a treating liquid to a porous body
09/20/2002	CA2341779A1 Inert electrode material in nanocrystalline powder form
09/19/2002	WO2002072920A1 Process for preparing silicon carbide and optionally aluminum and silumin (aluminum-silicon alloy)
09/19/2002	US20020130052 Immersing immersion sensor in a cryolite melt, such that a temperature measurement of cryolite melt occurs there, then immersing immersion sensor with a reference electrode in liquid aluminum, and measuring a voltage
09/18/2002	EP1240364A2 Metal-based anodes for aluminium electrowinning cells
09/18/2002	EP1240118A1 Aluminium-wettable protective coatings for carbon components used in metallurgical processes
09/18/2002	CN1091158C La, Pr and Ce mixed rare-earth metal and its making tech.
09/17/2002	US6451186 Immersion sensor for monitoring aluminum electrolytic cells
09/12/2002	WO2002070786A1 Metal-based anodes for aluminium production cells
09/12/2002	WO2002070785A1 Cell for the electrowinning of aluminium operating with metal-based anodes
09/12/2002	WO2002070784A1 Thermally insulating structural components resistant to high temperature corrosive media
09/12/2002	WO2002070783A1 Aluminium-wettable porous ceramic material
09/12/2002	US20020125141 Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece
09/12/2002	US20020125126 Mixing metals and ceramics, pressing and sintering to form cermet electrodes, then oxidizing to remove impurities from the surface; electrolysis
09/12/2002	US20020125125 Cathode for aluminum production and electrolytic cell
09/12/2002	CA2438531A1 Thermally insulating structural components resistant to high temperature corrosive media
09/12/2002	CA2438526A1 Aluminium-wettable porous ceramic material
09/12/2002	CA2437687A1 Cell for the electrowinning of aluminium operating with metal-based anodes
09/12/2002	CA2437671A1 Metal-based anodes for aluminium production cells
09/11/2002	EP1238124A1 Aluminium electrowinning with metal-based anodes
09/11/2002	EP1149188B1 High-strength low-alloy steel anodes for aluminium electrowinning cells
09/11/2002	CN2510506Y Pre-roasting aluminium electrolyzer cathode bus-bar concentrated diverter
09/11/2002	CN2510505Y Pre-roasting aluminium electrolyzer column bus-bar concentrated diverter
09/11/2002	CN2510504Y Aluminium electrolyzer carbon-seam binding detector
09/11/2002	CN1369023A Method for electrochemically producing alkali metal from aqueous solution
09/10/2002	US6447667 Thermal shock protection for electrolysis cells
09/06/2002	WO2002068726A2 Method for regulating an electrolysis cell
09/06/2002	WO2002068725A1 Method for regulating an electrolytic cell
09/06/2002	WO2002068724A1 System for recovering anodes from aluminium smelting baths
09/06/2002	WO2002068723A1 Graphite cathode for aluminium electrolysis
09/06/2002	WO2002068719A1 Process for preparing silicon by electrolysis and crystallization, and preparing low-alloyed and high-alloyed aluminum silicon alloys
09/04/2002	CN1367274A Method for preparing Al-Si alloy by AD-aluminite powder agent electrolytic process
09/04/2002	CN1090247C Molten salt electrolytic cells for producing rare-earth metals and alloys
09/04/2002	CN1090246C Cold rolled steel sheet excellent in baking hardenability
08/2002
08/29/2002	WO2002066712A1 Electrorefining process for separating metals
08/29/2002	WO2002066711A1 Extraction of metals
08/29/2002	WO2002066710A1 A material for a dimensionally stable anode for the electrowinning of aluminium
08/29/2002	WO2002066709A1 A method and an electrowinning cell for production of metal
08/29/2002	CA2438523A1 Extraction of metals
08/27/2002	US6442226 Accelerator-driven transmutation of spent fuel elements
08/27/2002	US6440294 Crust hole repair for electrolytic cells
08/27/2002	US6440279 Chemical milling process for inert anodes
08/27/2002	CA2373402A1 Method of production of magnesium and chlorine from magnesium chloride solutions containing ammonium chloride
08/27/2002	CA2228854C A crust breaking device
08/22/2002	WO2002064860A1 Carbon bottom of an electrolysis cell for producing aluminum
08/21/2002	EP1233083A1 Carbon bottom of electrolysis cell used in the production of aluminum

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