Patents
Patents for C25C 7 - Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (6,884)
12/1987
12/01/1987CA1229817A1 Insoluble anodes for extracting lead from the electrolyte in electrochemical processes for recovering the metals contained in spent accumulators
11/1987
11/25/1987EP0246957A1 A method for treating organic waste material and a catalyst/cocatalyst composition useful therefor
11/24/1987US4708888 Electrocatalytic
11/17/1987US4707239 Anode with plurality of apertures for rapid removal gases produced
11/11/1987EP0244919A1 An electrode for an electrolytic cell for recovery of metals from metal bearing materials and method of making same
10/1987
10/27/1987US4702813 Applying one alloy coating, then different second alloy coating
10/27/1987US4702806 Electrode position of metal unto copper cathode positioned between filter trap
10/20/1987CA1228326A1 Process for electrowinning of metals
10/13/1987US4699704 Alkali and alkaline earth metal chlorides
10/13/1987CA1228051A1 Metal production by electrolysis of a molten electrolyte
10/06/1987US4698319 Densified composite containing one or more interwoven matrix compositions
09/1987
09/30/1987EP0238617A1 A method and apparatus for recovering copper from ores containing copper and iron sulphide
09/29/1987US4696731 Mixed metal oxide coating over amorphous metal alloy coating; fusion
09/24/1987DE3613583A1 Process and device for the reduction of acid mists in electrolysis
09/24/1987DE3609296A1 Device for varying the current in a pulse-like manner in a direct current load, especially an electrolytic bath for material deposition and material erosion
09/22/1987CA1227164A1 Drop collector for an apparatus for conveying electrodes
09/22/1987CA1227163A1 Method and apparatus for cleaning cathode or anode plates
09/15/1987US4693790 Method for monitoring the quality of ZnSO4 electrolyte containing Sb (V)
09/15/1987EP0222837A4 Electrolytic silver recovery.
09/09/1987EP0112902B1 Double l-shaped electrode for brine electrolysis cell
09/08/1987US4692229 Water purification
09/02/1987EP0234750A2 Current collecting assembly for a rotatable body
09/01/1987CA1226151A1 Cermets and their manufacture
08/1987
08/11/1987US4686025 Apparatus for the production of a metal by electrolyzing halides in a molten salt bath, by a simultaneous continuous double deposit
08/04/1987US4684450 Hydrometallurgy, electrochemistry, efficiency
08/04/1987US4684448 Process of producing neodymium-iron alloy
08/04/1987CA1225066A1 Electrode with surface film of oxide of valve metal incorporating platinum group metal or oxide
07/1987
07/29/1987EP0230171A1 Process and apparatus for the continuous manufacture of lithium by electrolysis of lithium chloride
07/28/1987US4683037 Dimensionally stable anode for molten salt electrowinning and method of electrolysis
07/28/1987CA1224743A1 Metal production by electrolysis of a molten electrolyte
07/22/1987EP0229533A2 Method and apparatus for recovery of metal from solution
07/22/1987EP0229516A1 Process and use of an apparatus for producing dysprosium-iron alloy and neodymium-dysprosium-iron alloy
07/22/1987CN86107232A Method and apparatus for stripping the metal layer electro-deposited on cathod plate
07/21/1987CA1224438A1 Support member and electrolytic method
07/15/1987EP0228443A1 Cell arrangement for electrometallurgical purposes, in particular aluminun electrolysis.
07/14/1987US4680100 Electrochemical cells and electrodes therefor
07/08/1987EP0227689A1 A method for the production of metals by electrolysis
07/07/1987US4678760 Method of forming a substantially interwoven matrix containing a refractory hard metal and a metal compound
07/07/1987US4678548 Corrosion-resistant support apparatus and method of use for inert electrodes
07/02/1987DE3546039A1 Process for obtaining metals in the form of crystals, and apparatus for carrying out this process
06/1987
06/30/1987US4676877 Process for production of fine and ultrafine zinc powders by electrolysis in a basic medium
06/30/1987US4676338 Composite material
06/23/1987US4675085 Silver from potograpic thiosulfate solutions odorless; voltage monitoring, hollow anodes
06/23/1987US4675084 Current density
06/17/1987CN86204935U Plate for electrolysis
06/16/1987EP0225343A1 Expanded metal mesh and coated anode structure.
06/03/1987EP0224400A1 Electrolytic apparatus for winning a substance from an electrolytic bath
06/02/1987US4670124 Cathode for use in the electrolytic refining of copper and method of making same
06/02/1987US4670121 Plant for the electrolytic production of reactive metals in molten salt baths
06/02/1987US4670114 Fine, uniform particles, and precipitation or depositing of particles from a solution
05/1987
05/27/1987EP0222837A1 Electrolytic silver recovery
05/27/1987EP0222829A1 Cathodic protection system for a steel-reinforced concrete structure and method of installation.
05/27/1987CN85108249A Recovery method, equipment and uses of the silver-plating rinse water in the fixed bed particulate cathode reactor
05/26/1987USRE32426 Electrode for fused melt electrolysis
05/26/1987US4668353 Bubbles, coalescing, electrolytic cells, masking, apertures, hoods
05/26/1987US4668352 Process and apparatus for automatic increased suction extraction on electrolysis tanks for the production of aluminum
05/13/1987EP0221187A1 Method of dissolving and recovering noble metals
05/12/1987US4664760 Electrolytic cell and method of electrolysis using supported electrodes
05/06/1987EP0220557A1 Inert composite electrode, particularly an anode for molten salt electrolysis
05/05/1987US4663010 Titanium, nickel, manganese alloy
04/1987
04/28/1987US4661232 Electrode for electrolytic extraction of metals or metal oxides
04/28/1987CA1221055A1 Packed cathode bed for electrowinning metals from fused salts
04/22/1987EP0219475A1 Electrowinning cell
04/22/1987EP0219473A1 A method for selectively recovering lead from complex sulfidic non-ferrous metal concentrates
04/22/1987EP0219157A1 Process for the electrolytic production of metals
04/21/1987US4659442 Method of reducing the loss of carbon from anodes when producing aluminum by electrolytic smelting, and an inert anode top for performing the method
04/21/1987CA1220761A1 Double l-shaped electrode for brine electrolysis cell
04/14/1987US4657643 Alkali metal and/or alkaline earth fluorides in a bath of molten chlorides
04/14/1987US4657464 Process and apparatus for stacking spent anodes
04/09/1987WO1987002074A1 A method and apparatus for recovering copper from ores containing copper and iron sulphide
04/08/1987EP0217438A1 Process and apparatus for manufacturing very pure lithium by molten salt electrolysis
04/08/1987EP0217429A1 Cathode for the electrolytic refining of copper, and process for its manufacture
03/1987
03/31/1987US4654137 Multicompartmented cell with freely-extendible tubular membrane
03/31/1987CA1219836A1 Electrolytic cell sections separated by shields providing zigzag circulation
03/25/1987EP0215649A1 Platinum/ECA-1500 combination anode coating for low pH high current density electrochemical process anodes
03/25/1987EP0215643A1 Method for monitoring the quality of zinc sulfate electrolyte containing antimony (V)
03/24/1987CA1219552A1 Low oxygen overvoltage lead anodes
03/24/1987CA1219551A1 Apparatus and method for electrolysis and float
03/24/1987CA1219546A1 Method for the electrolytic production of lead
03/12/1987EP0197071A4 Production of zinc from ores and concentrates.
03/11/1987EP0214116A1 Process for electrolytically refining silver
03/11/1987EP0105896B1 Apparatus for continuous production of zinc electroplated sheet
03/10/1987US4648954 Magnesium aluminum spinel in light metal reduction cells
03/04/1987EP0211924A1 Method of controlling the alumina feed into reduction cells for producing aluminium.
03/03/1987US4647358 Current-feeding cathode-mounting device
03/03/1987US4647355 Apparatus for molten salt electrolysis
02/1987
02/25/1987EP0211322A1 Silver recovery system
02/24/1987US4645582 Minimization of voltage drop
02/17/1987US4643819 Permeable electrodes; impervious anode, copper wired meshed cathode
02/04/1987EP0210961A1 Plant for the electrolytic production of reactive metals in molten salt baths
02/03/1987US4640712 Impure zinc powder, preparation thereof, and use as a selective reductant for pentachloropyridine
02/03/1987CA1217454A1 Apparatus and method for electrolysis and inclined electrodes
01/1987
01/27/1987US4639302 Electrolytic cell for recovery of metals from metal bearing materials
01/20/1987CA1216823A1 Reusable electrolysis cathode for electrodeposition of metals
01/15/1987WO1987000211A1 Cell arrangement for electrometallurgical purposes, in particular aluminun electrolysis
01/15/1987WO1987000210A1 A method for the production of metals by electrolysis
01/07/1987CN85104858A The cathodic master plate made by powder metallurgy and its prodn. technology for metallic electrolytical refining
12/1986
12/30/1986EP0206941A1 Cathode for metal electrowinning
12/30/1986EP0205631A1 Process for coating a porous electrode
12/30/1986CA1215935A1 Method of producing metals by cathodic dissolution of their compounds in electrolytic cells
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