| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 01/10/1987 | CN85101168A Process for producing tin from lean tin oxides or raw oxides-suephides/concentrates |
| 01/06/1987 | US4634507 Process for the production of lead from sulphide ores |
| 12/30/1986 | US4632738 From sulfide concentrate, cation exchange membrane |
| 12/30/1986 | CA1215935A1 Method of producing metals by cathodic dissolution of their compounds in electrolytic cells |
| 12/24/1986 | CN86103146A Method for the production of metals by electrolysis |
| 12/23/1986 | CA1215679A1 Spontaneous deposition of metals using fuel fed catalytic electrode |
| 12/17/1986 | EP0110904B1 Device for casting, particularly converter for casting and/or post-treating molten metal |
| 12/16/1986 | US4629543 Electrolysis of isotopic mercuric oxide in an aqueous electrolyte containing glacial acetic acid |
| 12/09/1986 | US4627899 Electrolytic cell and methods combining electrowinning and electrochemical reactions employing a membrane or diaphragm |
| 12/04/1986 | WO1986007046A1 Method and apparatus for purification of gold |
| 12/02/1986 | US4626331 Electrolytic cell employing fluidized bed |
| 12/02/1986 | CA1214748A1 Process for nickel electroreplenishment for nickel refinery electrolyte |
| 11/25/1986 | CA1214430A1 Gold recovery in fractionating column containing particulate absorbent using organic liquid |
| 11/25/1986 | CA1214428A1 Electrolysis of tin complexes |
| 11/20/1986 | WO1986006761A1 Electrolytic metal recovery |
| 11/06/1986 | WO1986006418A1 Method of dissolving and recovering noble metals |
| 11/04/1986 | CA1213561A1 Chrome recovery from ferric chromic hydroxide by oxidation to dichromate |
| 10/28/1986 | US4619749 Calibration a reference threshold potential, then adjustment of plating current |
| 10/28/1986 | CA1213243A1 Electrolysis using two electrolytically conducting phases |
| 10/15/1986 | EP0197769A2 Purifying mixed-cation electrolyte |
| 10/15/1986 | EP0197071A1 Production of zinc from ores and concentrates. |
| 09/30/1986 | CA1212077A1 Process for producing metallic gallium |
| 09/24/1986 | CN85109224A Gold recovery process |
| 09/24/1986 | CN85102460A Electrolysis-crystalization method for producing high purity gallium |
| 09/16/1986 | US4612102 Silver recovery system |
| 09/16/1986 | US4612093 Method and apparatus for purification of gold |
| 09/16/1986 | CA1211290A1 Selective extraction of leau from its sulphides |
| 09/03/1986 | CN85108534A Extraction process of tin from copper-smelting sludge |
| 09/03/1986 | CN85104334A Concurrent production of electrolytic metallic manganese and fibred electrolytic manganese dioxide |
| 09/02/1986 | US4609443 Procedure for the cathodic electrowinning of metals, with the corresponding acid generation, from its salt solution |
| 08/28/1986 | WO1986004933A1 An improved method for the zinc electrowinning |
| 08/26/1986 | US4608136 Oxidation of carbonaceous material and electrodeposition of a metal at the cathode of an electrolytic cell |
| 08/05/1986 | US4604175 Dividing into two streams, reducing cupper chloride to copper and oxidation of ferric chloride to ferrous chloride using chlorine permeable anode |
| 08/05/1986 | CA1208901A1 Foundry device in particular converter for pouring and/or treating of molten metal |
| 07/30/1986 | CN85100163A Method of extracting gallium from dissociation mother liquor from the production of alumina |
| 07/22/1986 | US4601805 Preparation of lead or copper |
| 07/08/1986 | US4599153 Complexing with a phosphine oxide |
| 07/08/1986 | EP0172847A4 Metal recovery process. |
| 07/02/1986 | CN85103707A Technology to extract gold, silver and copper from gold ore |
| 07/01/1986 | US4597842 Electrolysis |
| 07/01/1986 | US4597841 Process of recovering lead from old lead accumulator scrap and reduction plate for this process |
| 06/10/1986 | US4594132 Oxidizing with curric chlorid solution, acidification, separation, extraction, stripping and electrowinning |
| 06/04/1986 | EP0183602A1 Process and apparatus for recovering silver from fixing baths |
| 05/20/1986 | CA1204767A1 Production of organotin halides |
| 04/23/1986 | EP0179040A2 A method for the purification of gases containing mercury and simultaneous recovery of the mercury in metallic form |
| 04/23/1986 | EP0178958A1 Process for electrolytic oxidation, and electrolytic apparatus therefor |
| 04/22/1986 | CA1203500A1 Selective electrowinning of palladium |
| 04/10/1986 | WO1986002107A1 Production of zinc from ores and concentrates |
| 04/08/1986 | US4581115 Apparatus for the precipitation of copper from a liquid electrolyte conducted through a multi-cell electrolytic tank |
| 04/08/1986 | CA1203029A1 Treatment of solutions to facilitate the removal of ferric iron therefrom |
| 04/02/1986 | EP0176373A1 Process for treating water and effluents by ultrafiltration and electrolysis, and apparatus therefor |
| 04/01/1986 | CA1202491A1 Metal sulphide extraction |
| 03/25/1986 | US4578163 Gold recovery process |
| 03/10/1986 | CN85107417A Extraction of zinc from ores and concentrates |
| 03/05/1986 | EP0172847A1 Metal recovery process. |
| 02/25/1986 | US4572582 Earth battery using veined material such as coal as first electrode, and placing second electrode in metal to be mined |
| 02/20/1986 | EP0155955A4 Electrode for electrometallurgical processes. |
| 02/19/1986 | EP0171647A1 Process for the electrolytic deposition of metals from an electrolysis bath |
| 02/19/1986 | EP0171478A2 Electrolyzing process and electrolytic cell employing fluidized bed |
| 02/11/1986 | US4569729 Refining gold and other metals; electrolysis of electrolyte, fluidized electrodes |
| 02/05/1986 | EP0170632A2 Process for the cathodic electrowinning of metals, with the corresponding acid generation, from their salt solutions |
| 01/21/1986 | CA1199502A1 Hydrometallurgical method for recovering metal materials from spent lead-acid storage batteries |
| 01/14/1986 | US4564432 Apparatus for recovering metals dissolved in a solution |
| 01/07/1986 | CA1199003A1 Process for recovering noble metals and an electrolyzer for use in the process |
| 12/31/1985 | US4561957 Electrolysis of waste fixer solution |
| 12/31/1985 | US4561947 Process for the recovery of noble metals from ores; which process uses thiourea |
| 12/24/1985 | US4560453 Efficient, safe method for decoppering copper refinery electrolyte |
| 12/24/1985 | CA1198290A1 Process for the production of electrolytic zinc or high purity zinc salts from secondary zinc raw- materials |
| 12/18/1985 | EP0164757A2 A method of etching copper circuit boards and an etch solution |
| 12/17/1985 | CA1198081A1 Process for electrowinning of massive zinc with hydrogen anodes |
| 12/17/1985 | CA1198080A1 Simultaneous leaching and electrodeposition of precious metals |
| 12/17/1985 | CA1198079A1 Refining copper-bearing material contaminated with nickel, antimony and/or tin |
| 12/10/1985 | US4557908 Process for the treatment of a purge solution particularly intended for a process for the extraction of zinc by electrolysis |
| 12/10/1985 | US4557812 Purifying mixed-cation electrolyte |
| 12/03/1985 | US4556469 Conductive fiber cathode, metal oxide flow-through anode, separator, housing |
| 12/03/1985 | US4555942 Method for continually controlling the quality of cathode copper |
| 12/03/1985 | CA1197490A1 Purification of nickel electrolyte |
| 11/19/1985 | US4554058 Electrolytic production of precious metals |
| 11/19/1985 | CA1196886A1 Cathode for use in the electrolytic refining of copper |
| 11/13/1985 | EP0161224A1 Process for copper chloride aqueous electrolysis |
| 11/12/1985 | US4552629 Leaching, filtration, oxidation, stripping circulation |
| 11/12/1985 | CA1196558A1 Method for treatment of copper anodes to be electrorefined |
| 11/10/1985 | CN85200287U Electrolyzer for solid state substance containning pb |
| 11/05/1985 | US4551213 Hydrometallurgy |
| 10/23/1985 | EP0158910A2 Process for recovering copper from an ammoniacal copper-etching solution, and regeneration of this solution |
| 10/08/1985 | US4545972 Process for recovery of metal chloride and cuprous chloride complex salts |
| 10/02/1985 | EP0156721A1 Process for producing fine and ultrafine zinc powders by electrolysis in basic media |
| 10/02/1985 | EP0155955A1 Electrode for electrometallurgical processes. |
| 10/01/1985 | US4544460 Removal of potassium chloride as a complex salt in the hydrometallurgical production of copper |
| 09/26/1985 | WO1985004195A1 Process for producing fine and ultra fine zinc powders by electrolysis in basic medium |
| 09/24/1985 | US4543169 Ion exchanging |
| 09/24/1985 | CA1193996A1 Process and apparatus for the recuperation of zinc from industrial wastes containing zinc |
| 09/24/1985 | CA1193995A1 Aluminium electroplating solution |
| 09/24/1985 | CA1193994A1 Aluminium electroplating solution |
| 09/12/1985 | WO1985003955A1 Metal recovery process |
| 08/13/1985 | CA1191813A1 Process for solution control in an electrolytic zinc plant circuit |
| 08/13/1985 | CA1191812A1 Mist suppressant for solvent extraction metal electrowinning |
| 07/31/1985 | EP0150032A2 Process for the recovery of lead from accumulator scraps and reduction plate therefor |
| 07/30/1985 | EP0137776A4 Method of maintaining and testing for proper concentrations of thiourea in copper refining electrolysis cells. |
| 07/10/1985 | EP0063567B1 A process for recovering noble metals |