| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 08/10/2005 | CN2716287Y Upper structure arrangement of super sized prebaked anode aluminum electrolytic cell |
| 08/10/2005 | CN1653210A Hydrogen-assisted electrolysis processes |
| 08/10/2005 | CN1651613A Control method of carbon anode roasting production system |
| 08/10/2005 | CN1651612A Preparation method of TiB2 composite layer cathode carbon block |
| 08/10/2005 | CN1651611A Production method of high graphite cathode carbon block |
| 08/10/2005 | CN1651610A Welding method for major repairing cathode of large aluminium electrolytic bath |
| 08/04/2005 | US20050167274 Automatic process control; using facility for automatically selecting and refining electrical parameters for processing a microelectronic workpiece |
| 08/04/2005 | US20050167273 Automatic process control; using facility for automatically selecting and refining electrical parameters for processing a microelectronic workpiece |
| 08/04/2005 | US20050166706 Thermal and electrochemical process for metal production |
| 08/03/2005 | CN1650051A Reduction of metal oxides in an electrolytic cell |
| 08/03/2005 | CN1213171C Cathode collector bar with spacer |
| 07/28/2005 | WO2005068687A2 A carbonaceous reductant and a process for using the carbonaceous reductant |
| 07/28/2005 | WO2005068390A1 Ceramic material for use at elevated temperature |
| 07/28/2005 | US20050164871 Nickel foam pin connections for inert anodes |
| 07/28/2005 | US20050161340 regeneration of metal sulfides, polysulfides or hydrosulfides, by reacting with halogens to liberate and removing sulfur, then then electrolyzing the halogenated products to separate the halogen from the metals; reuse |
| 07/28/2005 | DE102004063817A1 Vorrichtung zur Erzeugung oder Reinigung von Metallen und damit verbundene Prozesse Apparatus for generating or cleaning of metals and related processes |
| 07/28/2005 | CA2549024A1 A carbonaceous reductant and a process for using the carbonaceous reductant |
| 07/28/2005 | CA2543662A1 Ceramic material for use at elevated temperature |
| 07/27/2005 | EP1556833A1 Set of microcircuit cards precut in a common plastic support and comprising complementary functions |
| 07/27/2005 | CN2712946Y Cooling machine for aluminum slag ash |
| 07/26/2005 | US6921474 Chloride melt process for the separation and recovery of zinc |
| 07/26/2005 | US6921473 Blending particulate reinforcement with metal oxide or semi-metal oxide powder; sintering; removing oxygen by electrolysis under conditions such that reaction of oxygen rather than metal deposition occurs at an electrode surface |
| 07/21/2005 | WO2005008715A3 Display device |
| 07/21/2005 | US20050155870 Method for producing indium-containing aqueous solution |
| 07/20/2005 | EP1554416A1 Aluminium electrowinning cells with metal-based anodes |
| 07/20/2005 | EP1230436B1 Aluminum electrowinning cell with sidewalls resistant to molten electrolyte |
| 07/20/2005 | CN2711180Y Pneumatic chute |
| 07/20/2005 | CN2711179Y Aluminium electrolyzer having cathode groove |
| 07/20/2005 | CN1643184A Process for producing R-iron alloy |
| 07/13/2005 | EP1552040A1 Electrolytic cell leak limiter |
| 07/13/2005 | EP1552039A1 Utilisation of oxygen evolving anode for hall-heroult cells and design thereof |
| 07/13/2005 | CN2709460Y Four-link coplanar anode steel claw inner bent straightening device |
| 07/13/2005 | CN2709395Y Pneumatic hoist |
| 07/13/2005 | CN1639803A Electrochemical cell for metal production |
| 07/12/2005 | US6915838 Cast ceramic anode for metal oxide electrolytic reduction |
| 07/07/2005 | US20050145070 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 07/07/2005 | US20050145065 Electroslag cold hearth; pool of molten liquid metal, overlying slag layer, an ingot mold; raw material in the form of a feed electrode; over flow dam prevents inclusions; metal source can be a salt of desired metal |
| 07/06/2005 | CN2707723Y Cart bridge-frame end-beam arrangement of operation machine for electrolyte tank |
| 07/06/2005 | CN1635187A Blanking static logic controller for alumina blanking scale |
| 07/06/2005 | CN1635186A Cylinder silencer of prebaked cell for aluminum reduction |
| 07/06/2005 | CN1635185A Aluminium pad stirrer |
| 07/06/2005 | CN1635184A Novel method for producing electrolytic aluminium using carbon anode |
| 07/06/2005 | CN1209503C Utilizing tail gas from crust braking air cylinder of electrobath |
| 07/05/2005 | US6913682 Dissolution of anodes made of a transition metal-based oxide surface, can be kept dimensionally stable during electrolysis by maintaining in electrolyte a sufficient concentrtion of dissolved alumina and transiton metal oxides |
| 06/30/2005 | US20050139474 apparatus for reducing metal oxides to metallic form, contains cathode, a cathode container and a cathode connector; electrolysing the oxide in presence of a molten salt electrolyte whilst controlling the potential of cathode; recovering uranium, plutonium, zirconium or hafnium from spent nuclear fuel |
| 06/29/2005 | EP1546439A1 Protection of non-carbon anodes and other oxidation resistant components with iron oxide-containing coatings |
| 06/29/2005 | EP1546436A1 Protection of metal-based substrates with hematite-containing coatings |
| 06/29/2005 | CN1632173A Novel process for production of electrolyzed aluminium by employing carbon anodes |
| 06/29/2005 | CN1632172A Aluminium electrolyzing tank integral error correcting and position restoring method |
| 06/29/2005 | CN1632171A Loading or unloading apparatus for cathode dipping baskets |
| 06/29/2005 | CN1632170A Process for producing cathode charcoal block through cascade graphitising furnaces and construction thereof |
| 06/29/2005 | CN1208502C Method of enhancing heat radiation of large aluminium electrolytic bath shell |
| 06/28/2005 | US6911135 Process for separating metals |
| 06/28/2005 | US6911134 Three-electrode metal oxide reduction cell |
| 06/23/2005 | WO2005057227A1 System and method to forecast the electrical conductivity of anodes for aluminum production before baking |
| 06/23/2005 | US20050135991 mixture of calcined petroleum coke and carbon anode butts which is the by-product of carbon anodes during the electrolytic production of aluminum; fluidized in a fluidized bed; used as halogenation catalyst for producing titanium tetrachloride |
| 06/23/2005 | CA2590482A1 System and method to forecast the electrical conductivity of anodes for aluminum production before baking |
| 06/22/2005 | EP1543179A1 A material for structural components of an electrowinning cell for production of metal |
| 06/22/2005 | EP1543172A2 Purification of electrochemically deoxidised refractory metal particles by heat processing |
| 06/22/2005 | CN2705472Y Pushing device for six claw, eight claw anode claw straigthener |
| 06/22/2005 | CN2705471Y Thin-film cylinder |
| 06/22/2005 | CN2705470Y Anode clamp spring mounting structure |
| 06/16/2005 | US20050126932 Method and apparatus for semiconductor wafer planarization |
| 06/15/2005 | EP1541716A1 Porous sintered compact of titanium oxide for production of metallic titanium through direct electrolytic process and process for producing the same |
| 06/15/2005 | EP1540042A2 Method for pre-heating a stack for aluminium electrolysis production |
| 06/15/2005 | EP1259659B8 Method of converting hall-heroult cells to inert anode |
| 06/15/2005 | CN1626701A Energy saving type anode steel claw in comosite structure of aluminum steel |
| 06/09/2005 | WO2005052218A1 Stabilizers for titanium diboride-containing cathode structures |
| 06/09/2005 | WO2005052217A1 A method and equipment for positioning when replacing anodes in an electrolysis cell |
| 06/09/2005 | WO2005052216A2 Stable anodes including iron oxide and use of such anodes in metal production cells |
| 06/09/2005 | WO2005051833A1 Device for handling an electrolytic cell which is intended for the production of aluminium |
| 06/09/2005 | US20050121333 Electrolytic cell with replacing the carbon anode with a molten metal anode; reduction of titania to titanium |
| 06/09/2005 | US20050121316 Stabilisation of liquid metal electrolyte systems |
| 06/08/2005 | EP1537248A1 Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 06/08/2005 | CN1624204A Electrode for electrolgtic aluminium |
| 06/08/2005 | CN1624203A Mobile grounding monitoring device and method of electrolytic tank series bus |
| 06/02/2005 | WO2005050032A1 System for connecting two shafts in translation |
| 06/01/2005 | EP1534879A1 Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells |
| 06/01/2005 | CN1621566A Configuration method of combined factory building for producing anode carbon brick for electrolysis of aluminum |
| 06/01/2005 | CN1621565A Modified prebaked carbon anode for electrolysis of aluminum and preparing method thereof |
| 06/01/2005 | CN1204298C Process for electrolytic production of metals |
| 05/26/2005 | US20050109615 Stabilizers for titanium diboride-containing cathode structures |
| 05/25/2005 | EP1381716B1 Metal-based anodes for aluminium production cells |
| 05/25/2005 | CN2701877Y Signal feedback apparatus of aluminium electrolysis constant volume blanking device |
| 05/25/2005 | CN2701876Y Brushless constant volume blanking device for aluminium electrolysis |
| 05/25/2005 | CN1203218C Method for aluminium electrolytic bath current dialancy |
| 05/25/2005 | CN1203217C Metal base aluminium electrolytic inert anode and its preparation method |
| 05/25/2005 | CN1203216C Preparation method of titanium boride cathode material with gradient function of aluminium electrolytic bath |
| 05/24/2005 | CA2321000C Method of producing highly pure aluminum primary base metal |
| 05/19/2005 | WO2005045101A2 Process for electrolytic production of aluminum |
| 05/19/2005 | US20050103641 Stable anodes including iron oxide and use of such anodes in metal production cells |
| 05/19/2005 | CA2544702A1 Process for electrolytic production of aluminum |
| 05/18/2005 | EP1531194A1 Cathode blocks for aluminium electrolysis cell with wear detection mechanism |
| 05/18/2005 | CN2700343Y Cathode connecting device of aluminium cell |
| 05/18/2005 | CN1616722A Rare earth metal graphite electrolytic bath |
| 05/18/2005 | CN1202289C Process for preparing titanium sponge from titanium oxide composite ore |
| 05/18/2005 | CN1202288C Electrolytic bath air gathering method |
| 05/12/2005 | WO2004074549A3 Aluminium electrowinning cells with metal-based anodes |
| 05/11/2005 | CN2698816Y Aluminium pad stirrer |
| 05/11/2005 | CN2698815Y Crossbeam anode claw with steel casing and aluminium core for aluminium cell |