| Patents for C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884) |
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| 02/09/1989 | WO1989001060A1 Method and apparatus for recovering metals from solutions |
| 02/07/1989 | US4802961 Automatic electrolytic unit; efficient withdrawal from solution |
| 02/07/1989 | CA1249791A1 Method and automatic superaspiration device on aluminium electrolysis cells |
| 02/01/1989 | EP0301115A1 Cathode hangers |
| 01/12/1989 | DE3821232A1 Kontinuierlicher anodenaufbau zur elektrolytischen verfeinerung von schweren nichteisenmetallen Continuous anode for electrolytic refinement construction of heavy non-ferrous metal |
| 01/03/1989 | CA1248048A1 Equipment for cleaning remnants of carbon blocks |
| 12/28/1988 | CN88103116A Drum electrolysis |
| 12/15/1988 | DE3819020A1 Method for adjusting the amount of zinc powder when removing impurities from zinc sulphate solutions |
| 12/07/1988 | EP0294001A1 Process for measuring the effective inhibitor concentration during metal deposition from aqueous electrolytes |
| 12/06/1988 | US4789450 Electrolytic cell |
| 12/06/1988 | US4789445 Method for the electrodeposition of metals |
| 12/01/1988 | WO1988009400A1 Controlling processes for the electrolytic recovery of metals |
| 12/01/1988 | WO1988009399A1 Drum electrolysis |
| 11/22/1988 | US4786386 Softening |
| 11/22/1988 | US4786384 Plater's rinse waste water |
| 11/15/1988 | US4784742 Cathode for magnesium production |
| 11/15/1988 | CA1244795A1 Current bypass assembly for electrolytic cells |
| 11/10/1988 | DE3811472A1 Verfahren zur aufarbeitung von metallchloridloesungen Process for working up metal chloride solutions |
| 10/12/1988 | EP0286093A1 A method for electrowinning a metal using an electrode unit consisting of assembled anode plates and cathode plates and a frame body for forming such an electrode unit |
| 10/12/1988 | EP0286092A1 Apparatus for hanging and handling plate members |
| 10/11/1988 | US4776941 Hollow metallic electrode with orifices in plates |
| 10/11/1988 | US4776931 Intermittent applying plating voltage until exceeds threshold |
| 10/11/1988 | US4776928 Pressing rigid u-shaped members with slots and resilience lips against electrode |
| 10/04/1988 | US4775455 Carbonaceous aggregate in curable phenol-formaldehyde resin |
| 10/04/1988 | US4775452 Process for dissolution and recovery of noble metals |
| 09/28/1988 | EP0284128A1 Suspension bar for anode and/or cathode sheets in the electrolytic refining of metals and a method for the manufacture of such a suspension bar |
| 09/28/1988 | EP0283785A1 Process for recovering mercury by electrolysis |
| 09/27/1988 | US4774210 Densification aid for aluminum borate products |
| 09/27/1988 | US4773978 Apparatus for the production of metals by electrolysis |
| 09/20/1988 | CA1242163A1 Method for electrolytically obtaining magnesium metal |
| 09/13/1988 | CA1241929A1 Producing magnesium in cell with bipolar electrodes and cavities in cathodic faces |
| 08/30/1988 | US4767453 Agitation under inert gas |
| 08/23/1988 | US4766552 Method of controlling the alumina feed into reduction cells for producing aluminum |
| 08/23/1988 | US4765879 Conductive metal coated with rare earth compound and metal or metal oxide before active layer |
| 08/23/1988 | US4765874 Laminated electrode the use thereof |
| 08/23/1988 | CA1240954A1 Electrode for electrometallurgical processes |
| 08/17/1988 | CN85102283B Method for making nd-ferro master alloy |
| 08/09/1988 | US4762603 Process for forming electrodes |
| 08/09/1988 | US4762598 Silver from waste photographic solutions |
| 08/03/1988 | EP0128160B1 Electrolytic cell for recovery of metals from metal bearing materials |
| 08/02/1988 | CA1239899A1 Method and apparatus of cleaning residual anodes employed for fused-salt electrolysis |
| 07/28/1988 | WO1988005427A1 Electrically conductive titanium suboxides |
| 06/29/1988 | EP0272803A2 Electrode for electrorefining |
| 06/08/1988 | CN86107877A Improvement in an apparatus for rapid dissolution of metal alloy sample for chemical analysis |
| 06/07/1988 | US4749464 Fiberglass edging strips impregnated with resins |
| 06/07/1988 | US4749463 Electrometallurgical cell arrangement |
| 06/07/1988 | US4749456 Electrolytic recovery of copper from waste water |
| 06/07/1988 | CA1237797A1 Method and apparatus for effecting current reversal in electro-deposition of metals |
| 06/01/1988 | EP0268738A2 Electrolytic cell for separating metals |
| 05/31/1988 | US4747924 Electrolytic reduction |
| 05/25/1988 | EP0268102A1 Anode and electrochemical cell for the recovery of metals from aqueous solutions |
| 05/25/1988 | CN85100748B Electrolysis tank for continuous production of nd-metal and nd-fe alloy |
| 05/24/1988 | US4746410 Current collecting assembly for a rotatable body |
| 05/24/1988 | US4746409 Electrolytic refining of copper |
| 05/17/1988 | US4744876 Electrolyzer for extracting a substance from an electrolytic bath |
| 05/17/1988 | CA1236792A1 Solution treatment process namely for zinc electrowinning |
| 05/10/1988 | US4743351 Coated valve metal anode for electrolytic extraction of metals or metal oxides |
| 05/05/1988 | WO1988003182A1 Reticulate electrode and cell for recovery of metals from waste waters |
| 05/04/1988 | EP0266312A1 Reticulate electrode and cell for recovery of metals from waste water |
| 04/27/1988 | CN87210630U Electrolytic cell for polarographic analysis |
| 04/26/1988 | US4740279 Process and apparatus for producing high-purity lithium metal by fused-salt electrolysis |
| 04/21/1988 | WO1988002793A1 Metal separation process |
| 04/20/1988 | EP0264263A1 Metal separation process |
| 04/19/1988 | US4738762 Electrowinning system |
| 04/12/1988 | US4737248 Electrolytic reduction of fluorides in molten bath with iron cathode |
| 04/12/1988 | US4737247 Hollow nonconductive positioning spacer containing heat exchanger |
| 04/06/1988 | EP0137776B1 Method of maintaining and testing for proper concentrations of thiourea in copper refining electrolysis cells |
| 04/05/1988 | US4735922 Porous refractory hard metal compositions and method of forming same |
| 04/05/1988 | CA1234844A1 Process and apparatus for stacking spent anodes |
| 04/05/1988 | CA1234780A1 Anode with reverse angle lug registered with anode body |
| 04/05/1988 | CA1234778A1 Flowing ionizable gases along exposed edge of catalytic electrode or barrier of cell |
| 03/30/1988 | EP0261747A1 Fluid bed electrolysis cell |
| 03/29/1988 | US4734172 Method for selectively recovering lead from complex sulphidic non-ferrous metal concentrates |
| 03/29/1988 | CA1234550A1 Electrolytic cell for recovery of metals from metal bearing materials |
| 03/22/1988 | CA1234366A1 Reticulate electrode for recovery of metal ions and method for making |
| 03/02/1988 | EP0257710A1 Molten salt electrowinning electrode, method and cell |
| 03/02/1988 | EP0179115B1 Method and device for the automatic oversuction on electrolysis containers for the production of aluminum |
| 03/01/1988 | US4728408 Compact electrolytic silver recovery system |
| 03/01/1988 | US4728407 Multiple chamber silver extraction system |
| 03/01/1988 | US4728402 Cationic and anionic separating membranes |
| 02/25/1988 | WO1988001313A1 Molten salt electrowinning electrode, method and cell |
| 02/16/1988 | US4724589 Vibration to shake loose deposits |
| 02/16/1988 | CA1232870A1 Electrolysis electrode and production method thereof |
| 02/09/1988 | US4724055 Continuous production of lithium metal by electrolysis of lithium chloride |
| 02/09/1988 | US4724051 Impure zinc powder, preparation thereof, and use as a selective reductant for pentachloropyridine |
| 02/03/1988 | EP0255451A1 Process for shutting down and restarting an electrolytic refining plant |
| 02/02/1988 | CA1232227A1 Manufacturing electrode by immersing substrate in aluminium halide and other metal solution and electroplating |
| 01/20/1988 | EP0253783A1 Process for refining gold and apparatus employed therefor |
| 01/13/1988 | EP0252172A1 Electrolysis process |
| 01/13/1988 | CN87103965A Durabe eletrolytic electrode and process for manufacture thereof |
| 01/05/1988 | US4717692 Electrodes |
| 01/05/1988 | CA1231137A1 Method for monitoring the quality of znso.sub.4 electrolyte containing sb (v) |
| 12/29/1987 | US4715934 Process and apparatus for separating metals from solutions |
| 12/29/1987 | CA1230844A1 Apparatus and method for electrolysis of mgc1.sub.2 |
| 12/23/1987 | CN86207512U Separator for stripping doposited metals from cathod electrode |
| 12/17/1987 | WO1987007653A1 Method and plant for electrolysis by seeping through one or a plurality of porous voluminal electrodes |
| 12/15/1987 | USRE32561 Coated metal anode for the electrolytic recovery of metals |
| 12/09/1987 | CN87103801A Durable electrolytic electrode and process for manufacturing the same |
| 12/08/1987 | CA1230080A1 Electrode chamber unit intended for an electrochemical cell having a porous percolation electrode |
| 12/08/1987 | CA1229997A1 Composition suitable for use as inert electrode having good electrical conductivity and mechanical properties |