C25C - Processes for the electrolytic production, recovery or refining of metals; Apparatus therefor

More topics under "C25C - Processes for the electrolytic production, recovery or refining of metals; Apparatus therefor" (24,290)
C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617)
C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924)
C25C 5 - Electrolytic production, recovery or refining of metal powders or porous metal masses (865)
C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884)

Patents for C25C - Processes for the electrolytic production, recovery or refining of metals; Apparatus therefor (198)
04/2003
04/22/2003	US6551489 Retrofit aluminum smelting cells using inert anodes and method
04/09/2003	EP0958409B1 Process for the electrolytic production of metals
02/2003
02/26/2003	CN1399617A Method for making carbon blocks highly resistant to thermal shock
12/2002
12/25/2002	CN1387588A Electrolytic production of high purity aluminum using inert anodes
12/18/2002	EP1266050A1 Implantation of installations of an electrolysis plant for producing aluminium
11/2002
11/07/2002	WO2002088433A1 Retrofit aluminum smelting cells using inert anodes
09/2002
09/25/2002	EP1242332A1 Method for making carbon blocks highly resistant to thermal shock
09/12/2002	CA2438531A1 Thermally insulating structural components resistant to high temperature corrosive media
09/06/2002	WO2002068726A2 Method for regulating an electrolysis cell
09/06/2002	WO2002068725A1 Method for regulating an electrolytic cell
08/2002
08/14/2002	EP1230438A1 Electrolytic production of high purity aluminum using inert anodes
06/2002
06/25/2002	US6409894 Lay-out of installations in an electrolysis plant for the production of aluminum
12/2001
12/19/2001	CN1327488A Cathode collector bar with spacer
11/2001
11/01/2001	US20010035344 Retrofit aluminum smelting cells using inert anodes
10/2001
10/24/2001	EP1147246A1 Cathode collector bar with spacer for improved heat balance
10/04/2001	WO2001073166A1 Implantation of installations of an electrolysis plant for producing aluminium
08/2001
08/29/2001	CN1070243C Electrolytic producing process of magnesium and its alloys
06/2001
06/13/2001	CN1066986C Process for correcting distorsion of electrolytic seed plates
05/2001
05/31/2001	WO2001038253A1 Method for making carbon blocks highly resistant to thermal shock
05/10/2001	WO2001032961A1 Electrolytic production of high purity aluminum using inert anodes
05/10/2001	CA2389341A1 Electrolytic production of high purity aluminum using inert anodes
04/2001
04/19/2001	WO2001027353A1 Cathode collector bar with spacer for improved heat balance
04/17/2001	US6217739 Electrolytic production of high purity aluminum using inert anodes
09/2000
09/22/2000	CA2301487A1 Method and production line for production of magnesium and chlorine
06/2000
06/13/2000	US6074545 Process for the electrolytic production of metals
03/2000
03/08/2000	CN1246897A Process for electrolytic production of metals
02/2000
02/24/2000	WO2000003068A8 Molten salt electrolytic cell having metal reservoir
01/2000
01/20/2000	WO2000003068A1 Molten salt electrolytic cell having metal reservoir
11/1999
11/24/1999	EP0958409A1 Process for the electrolytic production of metals
07/1999
07/20/1999	CA2176791C Electrolytic production process for magnesium and its alloys
06/1999
06/23/1999	CN1043789C Improved rotor equipped with blade in rotary spray-nozzle apparatus
11/1998
11/03/1998	CA2010324C Aluminium smelting cells
09/1998
09/08/1998	US5802901 Process for correcting the distortion of electrolytic seed plates
08/1998
08/06/1998	WO1998033956A1 Process for the electrolytic production of metals
04/1997
04/09/1997	CN1034518C Refining chamber lined with themral insulation refractory material for molten aluminium refining
03/1997
03/19/1997	CN1145411A Improved gas dispersion apparatus for molten aluminum refining
02/1997
02/26/1997	CN1143693A Electrolytic production process for magnesium and its alloys
01/1997
01/15/1997	CN1033823C Improved heater arrangement for aluminium refining systems
01/14/1997	US5593566 Electrolytic production process for magnesium and its alloys
12/1996
12/18/1996	CN1137952A Process for correcting distorsion of electrolytic seed plates
12/11/1996	EP0747509A1 Electrolytic production process for magnesium and its alloy
09/1996
09/17/1996	CA2014733C Treatment of high nickel slimes
02/1996
02/28/1996	EP0677119A4 Continuous alumina feeder.
02/06/1996	CA2061417C Gas dispersion apparatus for molten aluminum refining
12/1995
12/19/1995	US5476574 Hopper for holding alumina having discharge aperture, flow control valve to control alumina feed for continuously supplying alumina to electrolytic cell at predetermined rate
12/12/1995	CA2067054C Heater arrangement for aluminum refining systems
10/1995
10/18/1995	EP0677119A1 Continuous alumina feeder
07/1995
07/26/1995	CA2140990A1 Procedure for stripping electrolytic copper deposited on stainless steel, titanium or other metallic permanent cathodes
07/08/1995	CA2139279A1 Electrolysis cell of the soderberg type
07/04/1995	CA1336179C Composite cell bottom for aluminum electrowinning
05/1995
05/24/1995	EP0422142B1 An anode substrate coated with rare earth oxycompounds
11/1994
11/15/1994	US5364078 Gas dispersion apparatus for molten aluminum refining
11/15/1994	CA1333061C Cathode current collector for aluminum production cells
08/1994
08/24/1994	EP0611830A1 Improved gas dispersion apparatus for molten aluminum refining
12/1993
12/07/1993	CA1324977C Process of treating residues from the hydrometallurgical production of zinc
09/1993
09/07/1993	CA1321972C Fluidized bed electrolysis cell comprising particulate cathode
08/1993
08/10/1993	US5234202 Gas dispersion apparatus for molten aluminum refining
07/1993
07/22/1993	WO1993014248A1 Trickle alumina feeder
07/22/1993	WO1993014247A1 Continuous alumina feeder
07/22/1993	CA2127699A1 Continuous alumina feeder
04/1993
04/20/1993	CA1316488C Cathode for magnesium production
11/1992
11/11/1992	CN1066088A Improved heater arrangement for aluminum refining systems
10/1992
10/28/1992	EP0510701A2 Improved heater arrangement for aluminum refining systems
09/1992
09/09/1992	CN1064318A Improved gas dispersion apparatus for molten aluminum refining
08/1992
08/26/1992	EP0500052A2 Improved gas dispersion apparatus for molten aluminum refining
08/04/1992	US5135621 Lined with sections of carbon and mass of nonconductive refractory material
06/1992
06/09/1992	US5120027 Oxidation and corrosion resistance heating elements
04/1992
04/28/1992	US5108721 Leaching in dilute sulfuric acid to solubilize nickel, leaching again to solubilize copper and tellurium
12/1991
12/10/1991	US5071533 Metal body with protective coating of carbon
08/1991
08/27/1991	US5043047 Shape and positioning of anodes reduces bubble migration, length of bubble travel, and turbulence of bubble detachment
04/1991
04/17/1991	EP0422142A1 An anode substrate coated with rare earth oxycompounds.
10/1990
10/24/1990	EP0393816A1 Cell for the electrolytic production of aluminium in a molten bath
09/1990
09/08/1990	WO1990010735A1 An anode substrate coated with rare earth oxycompounds
09/08/1990	CA2030788A1 Anode substrate coated with rare earth oxycompounds
03/1989
03/23/1989	WO1989002490A1 Composite cell bottom for aluminum electrowinning
03/23/1989	WO1989002489A1 Cathode current collector for aluminum production cells
03/23/1989	WO1989002487A1 Composite cell bottom for aluminum electrowinning
03/23/1989	WO1989002486A1 Cathode current collector for aluminum production cells
03/22/1989	EP0308015A1 Cathode current collector for aluminum electrowinning
03/22/1989	EP0308013A1 Composite cell bottom for aluminum electrowinning
12/1988
12/06/1988	US4789446 Method of processing residues from the hydrometallurgical production of zinc
08/1988
08/03/1988	EP0128160B1 Electrolytic cell for recovery of metals from metal bearing materials
04/1988
04/13/1988	EP0263539A1 Process for treating zinc hydrometallurgy residues
03/1988
03/29/1988	CA1234550A1 Electrolytic cell for recovery of metals from metal bearing materials
11/1987
11/11/1987	EP0244919A1 An electrode for an electrolytic cell for recovery of metals from metal bearing materials and method of making same
09/1987
09/29/1987	CA1227454A1 Nickel electrowinning process
01/1987
01/27/1987	US4639302 Electrolytic cell for recovery of metals from metal bearing materials
01/20/1987	CA1216823A1 Reusable electrolysis cathode for electrodeposition of metals
12/1985
12/03/1985	CA1197490A1 Purification of nickel electrolyte
06/1985
06/10/1985	EP0128160A4 Electrolytic cell for recovery of metals from metal bearing materials.
12/1984
12/19/1984	EP0128160A1 Electrolytic cell for recovery of metals from metal bearing materials.
06/1984
06/21/1984	WO1984002356A1 Electrolytic cell for recovery of metals from metal bearing materials
10/1981
10/13/1981	US4294682 Data acquisition systems
10/1980
10/28/1980	CA1088461A1 Apparatus for the continuous electrolytic refining and extraction of elements and compounds
06/1980
06/24/1980	CA1080307A1 Optical telemetry for aluminium reduction plant bridge cranes
04/1980
04/22/1980	CA1075912A1 Process for the purification of an aqueous solution of zinc sulphate
02/1979
02/13/1979	CA1117289B Sub-micron carbon-containing titanium boride powder and method for preparing same
02/13/1979	CA1048257A1 Sub-micron carbon-containing titanium boride powder and method for preparing same

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