| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
|---|
| 11/09/1982 | CA1135213A1 Cathodic dissolution of cobaltic hydroxide |
| 11/03/1982 | EP0063671A1 Method and equipment for separating iodine in solid form, from an acid mercury salt solution |
| 11/03/1982 | EP0063567A1 A process for recovering noble metals. |
| 10/19/1982 | CA1133850A2 Flat anode having low waste coefficient |
| 10/06/1982 | EP0061468A1 Recovery of silver from ores and concentrates. |
| 09/29/1982 | EP0061392A1 Process and apparatus for the electrotreatment of composite powdery materials |
| 09/28/1982 | US4351705 Refining copper-bearing material contaminated with nickel, antimony and/or tin |
| 09/22/1982 | EP0060791A1 Use of reinforced lead anodes for the electrolytic treatment of zinc in sulfate solution and method for their manufacture |
| 09/21/1982 | CA1132090A2 Method of and anodes for use in electrowinning metals |
| 09/21/1982 | CA1132089A1 Electrochemical cell |
| 08/25/1982 | EP0058506A1 Bipolar refining of lead |
| 08/24/1982 | US4346062 Chlorination leaching with sulfur extraction for recovery of zinc values |
| 08/24/1982 | US4345980 From zinc sulfate electrolyte |
| 08/24/1982 | CA1130237A1 Recovery of copper and zinc from complex chloride solutions |
| 08/18/1982 | EP0057955A2 Aluminium electroplating solution |
| 08/18/1982 | EP0057954A2 Aluminium electroplating solution |
| 08/17/1982 | US4344829 Of indane with zinc in a water insoluble solvent, followed by electrolysis of zinc chloride |
| 08/10/1982 | CA1129376A1 Electrodes for electrolytic recovery of metals |
| 08/10/1982 | CA1129211A1 Recovery and separation of gadolinium and gallium |
| 07/06/1982 | US4338125 Thermal deamalgamation and reaction with methane, nitrogen or water vapor |
| 06/29/1982 | US4337128 Redox systems |
| 06/29/1982 | CA1126684A1 Bipolar refining of lead |
| 06/22/1982 | CA1126201A1 Hydrometallurgical method for treating nickel mattes |
| 06/10/1982 | EP0043821A4 Apparatus for recovering metals from solution. |
| 06/08/1982 | CA1125228A1 Process for electrowinning nickel or cobalt |
| 06/08/1982 | CA1125227A1 Process for recovering cobalt electrolytically |
| 05/26/1982 | EP0052106A1 Process for electrowinning of metals |
| 05/25/1982 | US4331520 Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers |
| 05/25/1982 | CA1124210A1 Sintered electrodes with electrocatalytic coating |
| 05/18/1982 | US4330387 Modified carbon or graphite fibrous percolating porous electrode, and electrochemical reactors fitted with such an electrode |
| 05/18/1982 | US4330386 Combined ion-exchange particulate bed electrolytic cell |
| 05/18/1982 | US4330380 Thiocyanate additive |
| 05/18/1982 | US4330379 Leaching of zinc containing sulphide minerals |
| 05/18/1982 | US4330377 Electrolytic process for the production of tin and tin products |
| 05/18/1982 | CA1123781A1 Hydrometallurgical process for the extraction of base metals and iron |
| 05/18/1982 | CA1123778A1 Process and apparatus for the purification of gallium |
| 05/11/1982 | CA1123373A1 Recovery of acid with electrolytic conversion of ferrous to ferric ions and extraction |
| 05/11/1982 | CA1123372A1 Electrowinning slurry prepared by acid leaching and precipitation of copper with calcium sulfite |
| 05/10/1982 | EP0040243A4 Process and apparatus for producing metals at porous hydrophobic catalytic barriers. |
| 04/27/1982 | US4326942 Cell wherin electrolyte flows through channels at uniform rate |
| 04/27/1982 | US4326938 Planar carbon fiber electrode structure |
| 04/27/1982 | CA1122565A1 Simultaneous electrodissolution and electrowinning of metals from sulphide minerals |
| 04/21/1982 | EP0050042A1 Electrode, cell and process for recovering metals |
| 04/15/1982 | WO1982001195A1 Recovery of silver and gold from ores and concentrates |
| 04/13/1982 | CA1121605A1 Recovery of non-ferrous metals by thermal treatment of solutions containing non-ferrous and iron sulphates |
| 04/06/1982 | US4323541 Selective two stage leaching of nickel from nickel-copper matte |
| 04/06/1982 | CA1121301A1 Selective removal of bismuth and antimony from copper electrolyte by salt addition |
| 04/06/1982 | CA1121134A1 Process for the continuous manufacture of metallic anodes from molten metal |
| 03/23/1982 | CA1120423A1 Electrowinning of metals |
| 03/17/1982 | EP0047595A1 Electrochemical cell |
| 03/16/1982 | US4319971 Method and means for recovering silver by electrolysis |
| 03/16/1982 | US4319970 Method and apparatus for electrolytic separation of metals, particularly copper |
| 02/23/1982 | CA1118710A1 Hard, heat-resistant nickel electrodeposits |
| 02/09/1982 | CA1117897A1 Continuous process for the purification of zinc plant electrolyte |
| 02/04/1982 | WO1982000303A1 A process for recovering noble metals and an electrolyzer for use in the process |
| 02/02/1982 | US4313808 Electrodialyzer and method of regenerating waste photographic processing solution |
| 01/26/1982 | US4312724 Leaching and oxidation with ferric chloride, electrodeposition |
| 01/20/1982 | EP0043821A1 Apparatus for recovering metals from solution. |
| 01/19/1982 | CA1116553A1 Electrolytic cell |
| 01/12/1982 | US4310395 Process for electrolytic recovery of nickel from solution |
| 01/05/1982 | CA1115658A1 Addition agents in lead electrodeposition |
| 12/30/1981 | EP0042747A1 Method of treating rare-earth minerals or concentrates |
| 12/29/1981 | US4308122 Using electrolysis |
| 12/08/1981 | US4304646 Method for selective removal of copper contaminants from activator solutions containing palladium and tin |
| 11/25/1981 | EP0040243A1 Process and apparatus for producing metals at porous hydrophobic catalytic barriers. |
| 11/24/1981 | CA1113034A2 Precipitation of selenium from copper electrowinning solutions |
| 11/18/1981 | EP0039873A2 Method of producing metals and semimetals by cathodic dissolution of their compounds in electrolytic cells, and metals and metalloids produced |
| 10/27/1981 | US4297183 Process for the treatment of solutions of lead chloride |
| 10/21/1981 | EP0038137A1 Silver recovery apparatus and method |
| 10/20/1981 | CA1111125A1 Method and apparatus for control of electrowinning of zinc |
| 10/13/1981 | US4294682 Data acquisition systems |
| 10/07/1981 | EP0037325A1 Electrolytic process using a porous electrode and its application to the recovery of metals from aqueous solutions |
| 10/07/1981 | EP0036863A1 Electroplating from a thiosulfate-containing medium without sulfiding |
| 09/29/1981 | US4292147 Using an electrolyte obtained from the leaching of a zinc-or cadmium-containing material with chlorine solution |
| 09/29/1981 | US4292144 Electrolysis; reversing polarity of electrodes and repositioning a screen; temperature control; flakes and fibers |
| 09/29/1981 | CA1109826A1 Electrolytic metal recovery with sulphate ion diffusion through ion-permeable membrane |
| 09/29/1981 | CA1109825A1 Process for direct electrochemical recovery of copper from dilute acidic solutions |
| 09/29/1981 | CA1109682A1 Recovery of lead values |
| 09/22/1981 | US4290865 Recovering copper from a copper-bearing source |
| 09/17/1981 | WO1981002589A1 Process for electrowinning of metals |
| 09/15/1981 | CA1108867A1 Hydrometallurgical process for the treatment of sulphidized compounds containing lead |
| 09/08/1981 | US4288305 Process for electrowinning nickel or cobalt |
| 09/08/1981 | US4288304 Hydrometallurgical process for treatment of sulphur ores |
| 09/08/1981 | CA1108554A1 Method for electrolytic deposition of manganese |
| 09/02/1981 | EP0035008A2 Process and apparatus for treating photographic baths |
| 09/01/1981 | US4287044 Silver recovery apparatus |
| 09/01/1981 | US4287030 By vacuum melting and electrochemical refining |
| 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 | CA1107678A1 Nickel recovery from sulfur-deficient mattes |
| 08/19/1981 | EP0033956A1 Stable lead dioxide anode and method for production |
| 08/11/1981 | CA1106622A1 Hydrometallurgical method for treating sulphide ores |
| 08/06/1981 | WO1981002169A1 Aqueous electrowinning of metals |
| 08/04/1981 | US4282082 Slurry electrowinning apparatus |
| 08/04/1981 | US4282075 Electrodeposition of metals |
| 08/04/1981 | CA1106310A1 Process and apparatus for the recovery of particulate crystalline product from an electrolysis system |
| 08/04/1981 | CA1106309A1 Production of metallic lead |
| 07/23/1981 | WO1981002028A1 Apparatus for recovering metals from solution |
| 07/21/1981 | US4279711 Using a fuel added to the electrolyte for oxidation |
| 07/21/1981 | US4279710 Oxidation during electrolysis using a fuel and water |