Patents
Patents for C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884)
12/2000
12/28/2000WO2000079025A1 Arrangement for cleaning the bottom of an electrolytic tank
12/28/2000WO2000079024A1 Element for separating an electrolytic tank
12/28/2000CA2377374A1 Edge strip cap
12/28/2000CA2377264A1 Method and apparatus for electro-deposition of metal
12/28/2000CA2377114A1 Arrangement for cleaning the bottom of an electrolytic tank
12/28/2000CA2377111A1 Element for separating an electrolytic tank
12/28/2000CA2376688A1 Arrangement for treating solids settled on the bottom of an electrolytic tank
12/21/2000WO2000077277A1 Device for removing deposit created in electrolytic refining or electrowinning
12/21/2000WO2000077276A1 Device for conveying electrodes used in the electrolytic refining or electrowinning of metals
12/21/2000WO2000043575A3 Electrochemical cell for removal of metals from solutions
12/20/2000CN2411262Y Box-wedge-type anode aluminium guide bar assemblying structure
12/20/2000CN1277639A Cold rolled steel sheet excellent in baking hardenability
12/20/2000CN1059717C Solid electrolyte electrolysis deoxidation apparatus
12/19/2000US6162334 Inert anode containing base metal and noble metal useful for the electrolytic production of aluminum
12/19/2000US6162333 Electrochemical cell for removal of metals from solutions
12/14/2000DE19926724A1 Elektrolysezelle zur Herstellung eines Alkalimetalls An electrolytic cell for the production of an alkali metal
12/13/2000EP1059366A2 Electrolytic cell for producing an alkali metal
12/13/2000CN1059475C Method and device for on-line control of organic additive in electrodeposition of metal
12/07/2000WO2000073539A1 Electrowinning cell incorporating metal ion filtration apparatus
11/2000
11/28/2000US6153082 Copper cathode starting sheets
11/28/2000US6153066 Tool holding device for the extraction and transfer of anodes in the center of an aluminum factory and equipment for operating such
11/22/2000CN1274396A Electrode for electrolytic refining or electrowinning and method for producing same
11/22/2000CN1273955A Production of protecting carbon ring with used carbon block of cathode as raw material
11/21/2000US6149797 Contacting electrochemical cell with aqueous solution, said electrochemical cell comprising a cathode assembly, a nonporous support, an anode spaced from said cathode assembly, applying negative potential to said cathode assembly
11/14/2000US6146513 Electrodes, electrolysis apparatus and methods using uranium-bearing ceramic electrodes, and methods of producing a metal from a metal compound dissolved in a molten salt, including the electrowinning of aluminum
11/08/2000EP1049818A1 Non-carbon metal-based anodes for aluminium production cells
11/08/2000EP1049817A1 Slurry for coating non-carbon metal-based anodes for aluminium production cells
11/08/2000EP1049816A1 Electrocatalytically active non-carbon metal-based anodes for aluminium production cells
11/02/2000WO2000065131A1 Electrode cover for preventing the generation of electrolyte mist
11/02/2000WO2000065130A1 Molten salt bath circulation design for an electrolytic cell
11/02/2000WO2000065113A1 Process for recovering value metals from iron-containing alloys
11/02/2000CA2367634A1 Molten salt bath circulation design for an electrolytic cell
10/2000
10/31/2000US6139705 Lead electrode
10/31/2000CA2094473C Edge protector for electrolytic electrode, spreader bar thereof and method of attaching same to electrolytic electrode
10/24/2000CA2229661C Intense yet energy-efficient process for electrowinning of zinc in mobile particle beds
10/19/2000WO2000061837A1 Workpiece processor having processing chamber with improved processing fluid flow
10/19/2000WO2000061827A1 An electrochemical cell for use in the recovery of mercury from aqueous solutions
10/19/2000WO2000061498A2 System for electrochemically processing a workpiece
10/17/2000US6131798 Electrowinning anode
10/10/2000US6129822 Insoluble titanium-lead anode for sulfate electrolytes
10/10/2000US6129821 Electrolytic cells; exhaust where chlorine gas by-product is collectively sucked by an aspirator through branched pipes, each equipped with automatic valve whose opening is controlled to a target value by a pressure detector
10/04/2000CN1268983A Separating member for separating the tank bottom part from the rest of the tank
10/03/2000US6126799 Heating at an elevated temperature and in oxygen atmosphere for making a cermet anode suitable for use in production of a metal by electrolytic reduction
10/03/2000US6126795 For biocatalytic oxidation and reduction to transform substrates with high regio-and/or stereo-selectivity
09/2000
09/20/2000EP1037042A1 Submergable sensor, mesuring device and methode for monitoring a aluminium electrolytic cell
09/20/2000CN2397129Y Electrolytic metal manganese anode
09/19/2000US6120658 Electrode cover for preventing the generation of electrolyte mist
09/14/2000WO2000054040A1 Immersion sensor, set-up of measuring instruments and measuring method for monitoring aluminium electrolysis cell
09/13/2000CN1266464A Holder for mother plate
09/12/2000US6117303 Consisting essentially of about 20 to 40 wt % sodium chloride, 30 to 50 wt % barium chloride, 15 to 30 wt % calcium chloride, and 0.2 to 13 wt % lithium chloride
09/06/2000CN1056194C Method and apparatus for separating several metal chlorides by electrolysis and extraction
09/05/2000US6113758 Porous non-carbon metal-based anodes for aluminium production cells
08/2000
08/30/2000CN2393890Y Electrolysis with for extracting copper from thin cyanide liquid
08/30/2000CN1264757A Equipment and method for dissolving copper in step of producing raw liquid with electrolytic copper foil
08/16/2000EP1028172A1 Cold rolled steel sheet excellent in baking hardenability
08/16/2000EP1028084A1 Hoisting device for the replacement of the anodes in the electrolytic cells for aluminium production
08/15/2000US6103093 Anode for oxygen evolution in electrolytes containing manganese and fluorides
08/15/2000US6103090 Electrocatalytically active non-carbon metal-based anodes for aluminium production cells
08/10/2000WO2000046426A1 Graphite cathode for electrolysis of aluminium
08/09/2000EP1025285A1 Separating member for separating the tank bottom part from the rest of the tank
08/09/2000CN2390895Y Gold electrolyte ionic membrane frame
08/03/2000WO2000044963A1 Electrolytic cells swept by an electromagnetic field and process therefor
08/03/2000WO2000044952A1 Inert electrode containing metal oxides, copper and noble metal
08/03/2000DE19909614C1 Immersion sensor used for monitoring aluminum electrolysis cells comprises a bath electrode arranged on a carrier with an immersion end
08/03/2000CA2360074A1 Electrolytic cells swept by an electromagnetic field and process therefor
08/02/2000CN1055140C Rare earth molten-salt electrolysis ceramic anode and preparing method thereof
07/2000
07/27/2000WO2000043575A2 Electrochemical cell for removal of metals from solutions
07/27/2000DE19962585A1 Corrosion resistant titanium alloy used as e.g. material for heat exchange pipes in crude oil refineries contains palladium as alloying addition
07/27/2000DE19902663A1 Voröffnungseinheit für Strippmaschinen Voröffnungseinheit for stripping machines
07/26/2000EP1022360A1 Preliminary opening unit for electrode stripping machine
07/26/2000EP1021596A1 Electrode for electrolytic refining or electrowinning and method for producing the same
07/25/2000US6093442 Cathode for diaphragm chlor-alkali electrolysis cell
07/20/2000WO2000042241A1 Electrowinning anodes which rapidly produce a protective oxide coating
07/19/2000CN1260846A Cathode for electrolytic refining
07/18/2000CA2035188C Electrodes
07/13/2000WO2000040782A1 Aluminium electrowinning cells with oxygen-evolving anodes
07/12/2000EP1017883A1 Holder for a mother plate
07/12/2000EP1017869A1 Metallurgical process for manufacturing electrowinning lead and lead alloy electrodes
07/11/2000US6086733 Electrochemical cell for metal recovery
07/11/2000US6086691 Metallurgical process for manufacturing electrowinning lead alloy electrodes
07/06/2000WO2000039366A1 Improved electrowinning anode and method of making such anode
07/06/2000WO2000039360A1 Electrolysis apparatus/methods of using urania in elecrodes and methods of producing reduced substances from oxidized substances
07/04/2000US6083362 Dimensionally stable anode for electrolysis, method for maintaining dimensions of anode during electrolysis
06/2000
06/27/2000US6079093 Method and device for releasing cathode plates
06/27/2000CA2148158C Facility to loosen off the layers deposited upon cathodes
06/20/2000US6077415 Multi-layer non-carbon metal-based anodes for aluminum production cells and method
06/14/2000EP0979315A4 Titanium crystal and titanium
06/13/2000US6074545 Process for the electrolytic production of metals
06/13/2000US6074536 Electroyltic cell and method for removing silver from silver-containing aqueous liquids
06/08/2000WO2000032846A1 Device for separating metal deposit from a cathode
06/07/2000CN2381648Y Non-melt aluminum based metal ceramic anode
06/06/2000US6071570 Electrodes of improved service life
06/06/2000US6071399 Provision of a second contact surface positioned above the liquid level and electrically isolated from the first contact surface for making contact with the removable electrode when positioned in the housing
05/2000
05/31/2000CN2380578Y Hydraulic anode clamp
05/24/2000CN1254387A Gripping device for positioning sheet-like objects
05/16/2000US6063254 Method for producing titanium crystal and titanium
05/16/2000US6063247 Modified electrolyte and diaphragm for fused salt electrolysis
05/10/2000EP0998595A1 Fused chloride salt electrolysis cell
05/03/2000EP0873434B1 Method for producing a mother plate for electrorefining and electrowinning and a mother plate produced according to said method
05/02/2000CA2138777C Production of metals from minerals
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 69