Patents
Patents for C25C - Processes for the electrolytic production, recovery or refining of metals; Apparatus therefor (198)
01/2013
01/08/2013CA2612376C A method and a prebaked anode for aluminium production
11/2012
11/14/2012CN101044267B Method and system for energy recovery and/or cooling
11/06/2012CA2580038C A method and a system for energy recovery and/or cooling
09/2012
09/13/2012US20120230860 Purification process
08/2012
08/28/2012CA2567127C High stability flow-through non-carbon anodes for aluminium electrowinning
08/14/2012CA2576081C Device and method for handling metal sheets
06/2012
06/26/2012CA2581092C A method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same
12/2011
12/06/2011US8070921 Method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same
07/2011
07/05/2011CA2439324C Method for regulating an electrolysis cell
07/05/2011CA2439321C Method for regulating an electrolytic cell
06/2011
06/21/2011US7964080 Device and method for handling metal sheets
06/14/2011CA2404308C Implantation of installations of an electrolysis plant for producing aluminium
05/2011
05/05/2011US20110100834 High stability flow-through non-carbon anodes for aluminium electrowinning
04/2011
04/20/2011CN101065517B Method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same
03/2011
03/08/2011US7901560 Method and a prebaked anode for aluminium production
10/2010
10/26/2010CA2392335C Method for making carbon blocks highly resistant to thermal shock
09/2010
09/29/2010CN101010451B Device and method for handling metal sheets
09/14/2010CA2433893C Retrofit aluminum smelting cells using inert anodes
08/2010
08/25/2010EP1556833B1 Set of microcircuit cards precut in a common plastic support and comprising complementary functions
07/2010
07/27/2010CA2464406C A dimensionally stable anode for the electrowinning of aluminium
07/2009
07/01/2009CN100507090C Method for the manufacture of an inert anode for the production of aluminium by means of fusion electrolysis
05/2009
05/21/2009US20090127126 Current busbar
05/07/2009US20090114548 Method and a Prebaked Anode for Aluminium Production
04/2009
04/15/2009CN100478501C Dimensionally stable anode for the electro winning of aluminium
11/2008
11/18/2008US7452450 Multilayer; exterior high density ceramic coatings on composite core
05/2008
05/21/2008EP1601820B1 Method for the manufacture of an inert anode for the production of aluminium by means of fusion electrolysis
04/2008
04/10/2008DE112005003212T5 Stromschiene Conductor rail
04/09/2008EP1907606A1 A method and a prebaked anode for aluminium production
03/2008
03/12/2008EP1242332B1 Method for making carbon blocks highly resistant to thermal shock
11/2007
11/29/2007US20070272561 Device and Method for Handling Metal Sheets
11/15/2007US20070261826 Method and a System for Energy Recovery and/or Cooling
11/14/2007EP1853751A1 Current busbar
11/08/2007US20070256930 Method for Electrical Connection and Magnetic Compensation of Aluminium Reduction Cells, and a System for Same
10/2007
10/31/2007CN101065517A Method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same
09/2007
09/26/2007CN101044267A Method and a system for energy recovery and/or cooling
09/11/2007CA2347858C Cathode collector bar with spacer for improved heat balance
08/2007
08/01/2007EP1812626A1 A method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same
08/01/2007CN101010451A Device and method for handling metal sheets
07/2007
07/11/2007EP1805350A1 A method and a system for energy recovery and/or cooling
03/2007
03/20/2007US7192511 Forming aluminum by reduction of alumina ; molten cryolite bath; ridge variation indicator
03/15/2007WO2005118916A3 High stability flow-through non-carbon anodes for aluminium electrowinning
02/2007
02/28/2007EP1756334A2 High stability flow-through non-carbon anodes for aluminium electrowinning
12/2006
12/28/2006WO2006137739A1 A method and a prebaked anode for aluminium production
12/28/2006CA2612376A1 A method and a prebaked anode for aluminium production
12/27/2006CN1292096C Method for regulating electrolysis cell
11/2006
11/22/2006CN1285770C Method for regulating electrolytic cell
11/14/2006US7135104 Method for regulating an electrolysis cell
10/2006
10/04/2006CN1840743A Method for regulating an electrolysis cell
06/2006
06/22/2006US20060130610 Purification process
05/2006
05/10/2006CN1255577C Improved aluminium cell using inert anodes
04/2006
04/13/2006US20060076240 Conversion circuit, system and method of executing an electrochemical process
04/12/2006CN1759207A Method for the manufacture of an inert anode for the production of aluminium by means of fusion electrolysis
03/2006
03/30/2006WO2006033578A1 A method for electrical connection and magnetic compensation of aluminium reduction cells, and a system for same
03/29/2006CN1754300A Conversion circuit, system and method of executing an electrochemical process
03/23/2006WO2006031123A1 A method and a system for energy recovery and/or cooling
03/02/2006WO2006021617A1 Device and method for handling metal sheets
12/2005
12/15/2005WO2005118916A2 High stability flow-through non-carbon anodes for aluminium electrowinning
12/07/2005EP1601820A2 Method for the manufacture of an inert anode for the production of aluminium by means of fusion electrolysis
12/01/2005US20050262964 Cast cermet anode for metal oxide electrolytic reduction
11/2005
11/23/2005EP1597815A2 Conversion circuit, system and method of executing an electrochemical process
10/2005
10/12/2005CN1222492C Method for making carbon blocks highly resistant to thermal shock
09/2005
09/01/2005WO2005080641A1 Current busbar
09/01/2005CA2586786A1 Current busbar
08/2005
08/03/2005CN1213171C Cathode collector bar with spacer
07/2005
07/27/2005EP1556833A1 Set of microcircuit cards precut in a common plastic support and comprising complementary functions
06/2005
06/23/2005WO2005017233A3 Insulated cold hearth for refinning metals having improved thermal efficiency
06/22/2005EP1543172A2 Purification of electrochemically deoxidised refractory metal particles by heat processing
06/01/2005CN1204298C Process for electrolytic production of metals
04/2005
04/28/2005US20050087440 Thermally insulating structural components resistant to high temperature corrosive media
04/13/2005CN1196814C Implantation of installations of an electrolysis plant for producing aluminium
03/2005
03/02/2005CN1589339A Dimensionally stable anode for the electro winning of aluminium
02/2005
02/24/2005WO2005017233A2 Insulated cold hearth for refinning metals having improved thermal efficiency
01/2005
01/19/2005EP1366215B1 Thermally insulating structural components resistant to high temperature corrosive media
01/04/2005US6838024 Method for making carbon blocks highly resistant to thermal shock
12/2004
12/14/2004CA2336685C Molten salt electrolytic cell having metal reservoir
12/09/2004US20040245096 Dimensionally stable anode for the electrowinning of aluminum
12/02/2004WO2004076723A3 Conversion circuit, system and method of executing an electrochemical process
10/2004
10/28/2004WO2004082355A3 Method for the manufacture of an inert anode for the production of aluminium by means of fusion electrolysis
10/21/2004WO2004029332A3 Purification of electrochemically deoxidised refractory metal particles by heat processing
09/2004
09/30/2004WO2004082355A2 Method for the manufacture of an inert anode for the production of aluminium by means of fusion electrolysis
09/30/2004WO2004018734A3 Cast ceramic anode for metal oxide electrolytic reduction
09/22/2004CN1531607A Method for regulating electrolysis cell
09/10/2004WO2004076723A2 Conversion circuit, system and method of executing an electrochemical process
09/10/2004CA2515442A1 Conversion circuit, system and method of executing an electrochemical process
09/02/2004US20040168931 Forming aluminum by reduction of alumina dissolving in cryolite melt bath
09/02/2004US20040168930 Method for regulating an electrolytic cell
08/2004
08/04/2004EP1442159A1 A dimensionally stable anode for the electrowinning of aluminium
05/2004
05/21/2004WO2004042651A1 Set of microcircuit cards precut in a common plastic support and comprising complementary functions
04/2004
04/28/2004CN1492950A Method for regulating electrolytic cell
04/08/2004WO2004029332A2 Purification of electrochemically deoxidised refractory metal particles by heat processing
03/2004
03/04/2004WO2004018734A2 Cast ceramic anode for metal oxide electrolytic reduction
03/04/2004WO2004018082A1 Cast cermet anode for metal oxide electrolytic reduction
03/03/2004CN1479809A Improved aluminium cell using inert anodes
02/2004
02/26/2004US20040038805 Cast cermet anode for metal oxide electrolytic reduction
02/19/2004WO2002068726A3 Method for regulating an electrolysis cell
01/2004
01/28/2004EP1383942A1 Retrofit aluminum smelting cells using inert anodes
12/2003
12/03/2003EP1366215A1 Thermally insulating structural components resistant to high temperature corrosive media
06/2003
06/17/2003US6579438 Density less than a density of a molten electrolyte used for producing the metal in the cell. The cell includes a section (14) for the electrolysis of a salt of the the metal contained in a molten electrolyte to form droplets of the metal in
05/2003
05/21/2003CN1419611A Implantation of installations of an electrolysis plant for producing aluminium
05/01/2003WO2003035940A1 A dimensionally stable anode for the electrowinning of aluminium
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