| Patents for C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884) |
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| 03/02/1982 | US4317707 Portable electrolysis unit for recovery of silver from photographic film |
| 02/24/1982 | EP0046449A1 Dimensionally stable coated electrode for electrolytic process, comprising protective oxide interface on valve metal base, and process for its manufacture |
| 02/24/1982 | EP0046448A1 Electrode with outer coating for effecting an electrolytic process and protective intermediate coating on a conductive base, and method of making same |
| 02/24/1982 | EP0046447A1 Electrode with electrocatalytic surface and method of manufacture |
| 02/09/1982 | US4314786 Method and apparatus for handling cathode plate support rods |
| 02/04/1982 | WO1982000303A1 A process for recovering noble metals and an electrolyzer for use in the process |
| 01/27/1982 | EP0044594A1 Process and apparatus for replacing cathodes |
| 01/20/1982 | EP0043821A1 Apparatus for recovering metals from solution. |
| 01/19/1982 | CA1116553A1 Electrolytic cell |
| 01/06/1982 | EP0042984A1 Electrode free from noble metals and process for its manufacture |
| 01/05/1982 | CA1115662A1 Removable edge strip |
| 01/05/1982 | CA1115657A1 Electrolyte metal recovery employing convection of electrolyte using sheet of bubbles |
| 12/30/1981 | EP0042624A1 Support for an electrochemically active catalyst for the oxidation or reduction of components of aqueous solutions |
| 12/29/1981 | US4308122 Using electrolysis |
| 12/29/1981 | US4308113 Process for producing aluminum using graphite electrodes having reduced wear rates |
| 12/22/1981 | US4306948 By addition of sodium sulfate, calcium sulfate or barium sulfate |
| 12/22/1981 | CA1114580A1 Control of binder content in carbon article manufacture |
| 12/15/1981 | US4305671 Agitator for an electrolytic sodium cell receiver |
| 12/15/1981 | CA1114327A1 Packed bed electrorefining and electrolysis |
| 12/08/1981 | US4304650 Stripping apparatus for use in cathode base plate for electrolytic refining |
| 12/01/1981 | CA1113427A1 Silicon carbide-valve metal borides-carbon electrodes |
| 11/24/1981 | US4302321 Novel sintered electrodes |
| 11/24/1981 | US4302318 Means for recovering silver from photo chemicals |
| 11/24/1981 | US4302317 Means for recovering a precious metal from an electrolyte solution containing ions of said metal |
| 11/24/1981 | CA1113036A1 Device for mechanical separation of cathode metal from a matrix in the process of electroextraction of zinc |
| 11/18/1981 | EP0039873A2 Method of producing metals and semimetals by cathodic dissolution of their compounds in electrolytic cells, and metals and metalloids produced |
| 11/17/1981 | US4300993 Electrodeposition of a nickel-zinc alloy onto a sintered layer of powdered nickel on a carrier; dissolving out the zinc |
| 11/17/1981 | CA1112605A1 Apparatus for electrowinning multivalent metals |
| 11/10/1981 | CA1112207A1 Membrane securing device |
| 10/27/1981 | US4297421 Battery and electrolytic cell electrodes |
| 10/27/1981 | US4297180 Electrolytic production of metal |
| 10/27/1981 | US4297067 Method and apparatus for handling packed layers of support rods in an electrolytic refining plant |
| 10/27/1981 | CA1111375A1 Method of changing electrodes in a reduction cell |
| 10/21/1981 | EP0038137A1 Silver recovery apparatus and method |
| 10/20/1981 | CA1111125A1 Method and apparatus for control of electrowinning of zinc |
| 10/07/1981 | EP0037325A1 Electrolytic process using a porous electrode and its application to the recovery of metals from aqueous solutions |
| 09/30/1981 | EP0036640A1 Metal recovering cell for the purification of industrial process solutions and waste water |
| 09/29/1981 | US4292345 Impregnating with phosphate |
| 09/29/1981 | CA1109825A1 Process for direct electrochemical recovery of copper from dilute acidic solutions |
| 09/29/1981 | CA1109823A1 Molten salt bath circulation patterns in electrolysis |
| 09/22/1981 | US4290874 Gasket for sealing joints in carbonaceous elements in electrolysis cell |
| 09/17/1981 | WO1981002589A1 Process for electrowinning of metals |
| 09/08/1981 | US4288312 Cathode and edge stick assembly |
| 09/08/1981 | US4288305 Process for electrowinning nickel or cobalt |
| 09/08/1981 | US4288303 Electrochemical processing system |
| 09/08/1981 | US4288302 Method for electrowinning metal |
| 09/02/1981 | EP0035008A2 Process and apparatus for treating photographic baths |
| 09/01/1981 | US4287044 Silver recovery apparatus |
| 09/01/1981 | US4287031 Portable electrolysis unit for recovery of precious metals |
| 09/01/1981 | CA1108227A1 Electrochemical device having an oxygen electrode containing a pyrochlore type compound electrocatalyst |
| 09/01/1981 | CA1108086A1 Electrodeposition of copper sheet on separated cathode surfaces and extrusion of resulting particles |
| 08/26/1981 | EP0034391A1 Use of a lead alloy for the anodes in the electrolytic production of zinc |
| 08/25/1981 | US4285799 Manganese dioxide-platinum group metal coating |
| 08/19/1981 | EP0033956A1 Stable lead dioxide anode and method for production |
| 08/18/1981 | CA1107237A1 Replaceable cathode unit suitable as module for building up of stable, non-deformable cathode systems in electrolyzers for the production of magnesium, as well as electrolyzer with cathode units incorporated |
| 08/12/1981 | EP0033630A1 Electrolytic cell for electrowinning aluminium from fused salts |
| 08/12/1981 | EP0033586A1 Device for limiting current leakage in operation of electrolytic cell, and electrolytic cell containing the device |
| 08/06/1981 | WO1981002170A1 Packed cathode bed for electrowinning metals from fused salts |
| 08/05/1981 | EP0033247A1 Electrolytic apparatus for reclaiming dissolved metal from liquid |
| 08/04/1981 | US4282082 Slurry electrowinning apparatus |
| 08/04/1981 | US4282075 Electrodeposition of metals |
| 07/28/1981 | US4280891 Useful in the process of producing magnesium by electrolysis |
| 07/28/1981 | US4280884 Method and apparatus for recovery of silver employing an electrolytic cell having improved solution movement |
| 07/23/1981 | WO1981002028A1 Apparatus for recovering metals from solution |
| 07/23/1981 | WO1981002027A1 Cell with cermet anode for fused salt electrolysis |
| 07/21/1981 | US4279974 Solid electrolytic material and use thereof |
| 07/14/1981 | US4278521 Electrochemical cell |
| 07/01/1981 | EP0031267A2 Carbon or graphite modified fibrous percolating porous electrode and its use in producing electrochemical reactions |
| 06/30/1981 | US4276147 Apparatus for recovery of metals from solution |
| 06/25/1981 | WO1981001717A1 Ceramic oxide electrodes for molten salt electrolysis |
| 06/24/1981 | EP0030834A2 Ceramic oxide electrodes, their method of manufacture and a cell and processes for molten salt electrolysis using such electrodes |
| 06/16/1981 | US4273640 Zinc extraction apparatus |
| 06/16/1981 | CA1103205A2 Insoluble anode for the electrowinning of copper |
| 06/16/1981 | CA1103199A1 Electrode with woven fabric screen for preventing electrolyte mist |
| 06/10/1981 | EP0030212A1 Anode supporting system for a fusion electrolysis cell |
| 06/09/1981 | US4272339 Process for electrowinning of metals |
| 06/09/1981 | CA1102737A1 Rigging board |
| 06/03/1981 | EP0029520A1 Method for the separation of gases developed by a fusion electrolysis, and fusion electrolysis apparatus |
| 06/02/1981 | CA1102278A1 Cathode stripping system |
| 06/02/1981 | CA1102274A1 Production of al-si alloys |
| 05/27/1981 | EP0029272A2 An iridium compound and a bath and a process for electrodepositing iridium |
| 05/26/1981 | US4269690 Electrolytic apparatus for reclaiming dissolved metal from liquid |
| 05/26/1981 | US4269687 Reinforced at electrical contact by block of copper or alloy metallurgically bonded to the layer of copper surrounding the steel core; electrolytic cells |
| 05/26/1981 | US4269670 Partially coating an electrode with a mixture a group 8 oxide, a value metal oxide, and a group 4 or 5, binder oxide aging resistance |
| 05/19/1981 | CA1101364A1 Electrolytic production of magnesium from molten electrolyte containing magnesium chloride |
| 05/14/1981 | WO1981001299A1 Process and device for suppressing magnetic disturbances in electrolytic cells |
| 05/12/1981 | CA1100907A1 Metal recovery apparatus |
| 05/06/1981 | EP0028156A1 Insoluble anode |
| 05/05/1981 | US4265717 Method and apparatus for protecting electrodes from thermal shock during start up |
| 04/28/1981 | US4264685 Electrocatalyst |
| 04/28/1981 | US4264426 Electrolytic cell and a method for manufacturing the same |
| 04/28/1981 | US4264405 Apparatus for the mechanical separation of cathode metal from a matrix |
| 04/22/1981 | EP0027367A1 Method of manufacture of catalytic electrodes with coatings comprising platinum group electrocatalysts |
| 04/22/1981 | EP0027322A1 Process of electrowinning metals |
| 04/21/1981 | US4263120 Electrolytic cell for the recovery of nonferrous metals and improved anode therefor |
| 04/21/1981 | US4263108 Varying plating current |
| 04/16/1981 | WO1981000973A1 Electrode coating with platinum-group metal catalyst and semiconducting polymer |
| 04/15/1981 | EP0027016A1 Improvement in an apparatus for electrolytic production of magnesium metal from its chloride |
| 04/07/1981 | US4260470 Infiltrated sintered metal, ribs of metal with greater electrical conductivity |
| 04/07/1981 | CA1098862A1 Zinc regeneration process and device |