Patents
Sitemap › C25 - Electrolytic or electrophoretic processes; Apparatus therefor › C25C - Processes for the electrolytic production, recovery or refining of metals; Apparatus therefor › 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)
11/2003
11/27/2003WO2003078695A3 Surface oxidised nickel-iron metal anodes for aluminium production
11/27/2003WO2003033769A3 Method for regulating an electrolytic cell for aluminium production
11/26/2003EP1364078A1 A material for a dimensionally stable anode for the electrowinning of aluminium
11/26/2003EP1364077A1 A method and an electrowinning cell for production of metal
11/18/2003US6650340 Method and device for the polarizing of an LCD screen as a function of the ambient luminosity
11/18/2003US6649040 With metal boride
11/18/2003US6649035 Low energy and non-heat transferring crust breaking system
11/13/2003US20030209426 Insulating lid for aluminum production cells
11/12/2003CN1455024A Process of producing aluminium ingot from regenerative aluminium oxide by electrolysis method
11/11/2003US6645568 Process for producing titanium diboride coated substrates
11/11/2003US6643957 Unit for the collection, cleaning and calibration of electrolysis pots used for aluminium production
11/06/2003WO2003071005A3 Carbon containing cu-ni-fe anodes for electrolysis of alumina
11/06/2003DE10245320C1 A Hall-Heroult cell is structured for a laboratory, to measure small volumes of chemically-eroded carbon, has a carbon cathode covered by molten aluminum and electrolyte in a crucible, together with an inert anode and stirrer
11/05/2003CN2584616Y High-temp. resistance, self-lubrication, mechanical anti-drop crust breaknig cylinder
11/05/2003CN2584615Y Automatic compensation ventilation piston cylinder type blanknig apparatus
11/04/2003US6641713 Apparatus and system for refining sodium
10/2003
10/30/2003WO2003089689A1 Cathode for a hall-heroult type electrolytic cell for producing aluminum
10/30/2003WO2003089688A1 Improved cathode for use in the production of aluminium in an electrolytic cell
10/30/2003WO2003089687A2 Cu-ni-fe anodes having improved microstructure
10/30/2003WO2003089686A1 Process and apparatus for smelting aluminum
10/30/2003US20030201189 Electrolytic cells; alumina dissolved in molten electrolyte; flat configuration; fluid flow
10/30/2003US20030201169 Aluminium electrowinning cell with sidewalls resistant to molten electrolyte
10/29/2003CN1125883C High Purity zinc and its preparing process
10/28/2003US6639667 Method and apparatus for analysis of chemical constituents in an electrolysis cell
10/28/2003US6638412 Prevention of dissolution of metal-based aluminium production anodes
10/23/2003WO2003087435A2 Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings
10/23/2003US20030196911 Process and apparatus for smelting aluminum
10/23/2003US20030196910 Cathode comprised of a base material having low electrical conductivity reactive with molten aluminum to provide a highly electrically conductive layer on base material
10/23/2003US20030196909 Cu-ni-fe anodes having improved microstructure
10/23/2003US20030196908 Cathode for a hall-heroult type electrolytic cell for producing aluminum
10/22/2003CN2582321Y Heating means for anode stee claw hot extrusion straightener
10/22/2003CN2581094Y Heat extruding straightener for anode steel jaw
10/22/2003CN1450205A Process for preparing titanium sponge from titanium oxide composite ore
10/16/2003WO2003033767A3 Coating precursor and method for coating a substrate with a refractory layer
10/15/2003CN1448542A Prep. of cathode titanium boride coating for aluminum cell
10/15/2003CN1124368C Method for cleaning fluorinated flur gas produced by aluminium electrolysis
10/09/2003WO2003083176A2 Prevention of dissolution of metal-based aluminium production anodes
10/09/2003WO2003014420A3 Aluminium production cells with iron-based metal alloy anodes
10/09/2003CA2479821A1 Prevention of dissolution of metal-based aluminium production anodes
10/08/2003CN2578341Y Current distribution determiner of aluminium electrolytic tank
10/02/2003US20030183514 Electrolytic cell for the production of aluminum and a method for maintaining a crust on a sidewall and for recovering electricity
10/01/2003EP1347939A1 Refractory hard metals in powder form for use in the manufacture of electrodes
10/01/2003EP1070158B1 Fused bath electrolysis cell for producing aluminium by hall-heroult process comprising cooling means
10/01/2003CN2576727Y Aluminium electrolyzation tank
10/01/2003CN2576726Y Alumium-electrolyzing prebaking anode electrolytic tank environment-protection tank-covering board
10/01/2003CN1445383A Self-baking type guard ring for anode of electrolysis bath
09/2003
09/30/2003US6627062 Graphite cathode for the electrolysis of aluminium
09/25/2003WO2003078696A1 Hydrogen-assisted electrolysis processes
09/25/2003WO2003078695A2 Surface oxidised nickel-iron metal anodes for aluminium production
09/25/2003WO2003078032A1 Electrolytic cell for producing aluminum employing planar anodes
09/25/2003WO2003023092A3 Aluminium electrowinning cells with sloping foraminate oxygen-evolving anodes
09/25/2003WO2003018876A3 Method for protecting electrodes during electrolysis cell start-up
09/25/2003CA2479427A1 Hydrogen-assisted electrolysis processes
09/24/2003EP1347080A1 Silicon metal lining
09/24/2003CN1443877A Metal base aluminium electrolytic inert anode and its preparation method
09/24/2003CN1443876A Preparation method of titanium boride cathode material with gradient function of aluminium electrolytic bath
09/24/2003CN1443875A Titanium boride coating formula for cathode of aluminium electrolytic bath
09/24/2003CN1443712A Comprehensive utilization of coal gangue for producing alumina and electrolytic aluminium
09/18/2003WO2003076691A1 Process for producing r-iron alloy
09/18/2003WO2003076690A1 Reduction of metal oxides in an electrolytic cell
09/18/2003WO2003023091A3 Aluminium electrowinning cells with inclined cathodes
09/18/2003US20030173228 Reduction of metal oxides in an electrolytic cell
09/18/2003US20030173227 Electrolytic cell for producing aluminum employing planar anodes
09/18/2003US20030173214 Electrolytic reduction cell and collector bar
09/18/2003US20030173210 Pneumatic actuator system
09/17/2003EP1344847A1 Regulating of aluminium electrolysis cells
09/17/2003EP1344846A1 Aluminium reduction cell refractory material and process for the manufacture of carboceramic material
09/17/2003EP1344845A1 Pitch-impregnated refractory brick
09/17/2003EP1147245B1 Electrolytic cell with improved alumina supply
09/17/2003CN1443253A Insulation assemblies for metal production cells
09/17/2003CN1442514A Electrolytic bath gathering method
09/17/2003CN1442513A Method of enhancing heat radiation of large aluminium electrolytic bath shell
09/16/2003US6620309 Method for monitoring aluminum electrolytic cells
09/12/2003WO2003074957A1 Method and apparatus for handling of used electrolyte containers
09/12/2003WO2003074766A1 Improved anode for use in aluminum producing electrolytic cell
09/09/2003US6616829 Carbonaceous cathode with enhanced wettability for aluminum production
09/09/2003US6616826 Electrolysis apparatus and methods using urania in electrodes, and methods of producing reduced substances from oxidized substances
09/04/2003WO2003073436A1 Electrochemical cell for metal production
09/04/2003WO2003046258A3 A method for electrowinning of titanium metal or alloy from titanium oxide containing compound in the liquid state
09/04/2003US20030164300 Electrorefining of americium
09/04/2003US20030164067 Process for continuously producing aluminum from clays
09/03/2003EP1025284B1 Plant for removing fluor containing waste gases
08/2003
08/28/2003WO2003071005A2 Carbon containing cu-ni-fe anodes for electrolysis of alumina
08/28/2003WO2003070572A2 Method of dosing and dispensing a powder agent
08/28/2003CA2476505A1 Method of dosing and dispensing a powder agent
08/27/2003EP1337692A1 Intermetallic compounds
08/21/2003WO2003027360A3 Temperature control for low temperature reduction cell
08/21/2003US20030155253 Copper, nickel, iron carbide anode
08/19/2003US6607657 Carbon-containing components of aluminium production cells
08/19/2003US6607656 Combusting first gas outside the cell chamber in a combustion chamber and using to heat a second gas in recuperator which second gas is passed to cell chamber; electrolysis of alumina to produce aluminum
08/19/2003US6607654 Copper-plating elecrolyte containing polyvinylpyrrolidone and method for forming a copper interconnect
08/13/2003CN1435513A Lanthanum and cerium composite alloy additive and preparing method thereof
08/07/2003WO2003064729A1 Maintaining molten salt electrolyte concentration in aluminium-producing electrolytic cell
08/07/2003WO2002083992A3 Electrolytic production of high purity aluminum using ceramic inert anodes
08/07/2003CA2473579A1 Maintaining molten salt electrolyte concentration in aluminum-producing electrolytic cell
08/06/2003EP1333110A1 Fabrication of metal articles by electrolysis of preshaped metal compounds in a fused salt
08/06/2003EP1332240A2 Methods of forming sputtering targets
08/06/2003CN2564588Y Anode for middle-point type blanking prebaking anode Al electrolysing cell
08/06/2003CN1434881A Electrolytic cell for production of aluminium and a method for maintaining crust on sidewall and for recovering electricty
08/05/2003CA2112007C Pulse-controlled metering device
1 ... 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 ... 110