| Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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| 04/22/1998 | EP0806047A4 Method for removal of technetium from radio-contaminated metal |
| 04/15/1998 | EP0835951A1 Method and apparatus for extracting lithium by applying voltage across lithium-ion conducting solid electrolyte |
| 04/15/1998 | EP0835334A1 Production of zinc fuel pellets |
| 04/09/1998 | WO1998014640A1 Mobius electrolysis |
| 04/08/1998 | EP0833964A1 Process for making wire |
| 04/01/1998 | EP0832306A2 Chloride assisted hydrometallurgical extraction of nickel and cobalt from sulphide ores |
| 04/01/1998 | EP0832303A1 Chloride assisted hydrometallurgical extraction of metal |
| 04/01/1998 | EP0832302A1 Chloride assisted hydrometallurgical extraction of metal |
| 04/01/1998 | EP0815270A4 Atmospheric mineral leaching process |
| 03/31/1998 | US5733431 Method for removing copper ions from copper ore using organic extractions |
| 03/31/1998 | US5733429 Fine grains |
| 03/26/1998 | DE19710510A1 Purifying electrolytic copper@ refining solution |
| 03/24/1998 | US5730854 Alkoxylated dimercaptans as copper additives and de-polarizing additives |
| 03/10/1998 | CA2214879A1 Polyacrylic acid additives for copper electrorefining and electrowinning |
| 03/04/1998 | CN1174899A Making of tin-lead alloy by electrochemistry method |
| 03/04/1998 | CN1037620C Compound alloy anode for electrolytic production of metal manganes and its preparation method |
| 02/26/1998 | WO1998007901A1 Device for cleaning a contaminated capillary and porous medium |
| 02/26/1998 | WO1998007900A1 Method for removing copper ions from copper ore using organic extractants |
| 02/24/1998 | US5720867 Process for the electrochemical recovery of the metals copper, zinc, lead, nickel or cobalt |
| 02/24/1998 | CA2161308C Selective bismuth and antimony removal from copper electrolyte |
| 02/19/1998 | WO1997045571A3 Alkoxylated dimercaptans as copper additives |
| 02/18/1998 | CN1173553A Method and apparatus for automated stripping of zinc sheets from aluminum cathode base plates |
| 02/10/1998 | CA2041927C Cathode stripping apparatus |
| 02/03/1998 | CA2047441C Installation for removing the zinc deposited by electrolysis on aluminium plates |
| 01/22/1998 | WO1998002600A1 Method for cleaning capillary and porous media |
| 01/15/1998 | WO1998001604A1 Electrolytic metal recovery method |
| 01/08/1998 | DE19635039C1 Continuous recovery of copper@ from used circuit boards |
| 01/07/1998 | EP0815289A1 Process for electrowinning of copper matte |
| 01/07/1998 | EP0815270A1 Atmospheric mineral leaching process |
| 12/31/1997 | WO1997049836A1 Apparatus and method for copper extraction by in-situ electrolysis in heap-leaching of ores |
| 12/11/1997 | WO1997046722A1 Recovery of iron products from waste material streams |
| 12/11/1997 | CA2257910A1 Recovery of iron products from waste material streams |
| 12/09/1997 | US5695629 Continuous processing |
| 12/04/1997 | WO1997045571A2 Alkoxylated dimercaptans as copper additives |
| 11/27/1997 | WO1997044499A1 Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals |
| 11/27/1997 | CA2252849A1 Ferric fluoborate/organic extractant hydrometallurgical process for recovering metals |
| 11/26/1997 | CN1166186A Proces sof rmaking copper metal powder, copper oxides and copper foil |
| 11/26/1997 | CN1165874A Additive for electrolysizing metal manganese |
| 11/25/1997 | US5690806 Cell and method for the recovery of metals from dilute solutions |
| 11/20/1997 | WO1997043023A1 Process for the recovery of nickel |
| 11/20/1997 | DE19643834C1 Direct electrolytic refining of used copper@ cable scrap |
| 11/18/1997 | US5688393 In electrolytic cell |
| 11/13/1997 | WO1997042360A1 Copper cathode starting sheets |
| 11/13/1997 | CA2252891A1 Copper cathode starting sheets |
| 11/12/1997 | EP0806487A1 Extraction of antimony from sulfide ores by alkaline leaching, recovery of elemental sulfur and electrowinning antimony from fluoborate solution |
| 11/12/1997 | EP0806047A2 Method for removal of technetium from radio-contaminated metal |
| 11/06/1997 | CA2204463A1 Process for hydrometallurgic and electrochemical treatment of sulfur antimony ores with production of electrolytic antimony and elemental sulfur |
| 11/05/1997 | EP0701636B1 Method and apparatus for the electrolytic production of copper wire |
| 11/05/1997 | EP0571467B1 Mineral recovery apparatus |
| 11/04/1997 | US5683488 Method for producing an iron feedstock from industrial furnace waste streams |
| 10/29/1997 | EP0803591A1 A process and apparatus for desilvering a silver-containing solution |
| 10/29/1997 | EP0802884A1 Recovery of chemical values from industrial wastes |
| 10/23/1997 | WO1997039166A1 Process for making wire |
| 10/23/1997 | WO1997038771A1 Process for making shaped copper articles |
| 10/23/1997 | CA2224183A1 Process for making wire |
| 10/21/1997 | US5679232 Forming thin web of metal foil, cutting, shaping |
| 10/15/1997 | EP0800567A2 Method for demetallating refinery feedstreams |
| 10/14/1997 | US5676817 Three stage purification; ph reduction, anion exchange and membrane electrolysis |
| 09/24/1997 | CN1035957C Process and apparatus for manufacture of metal foil |
| 09/23/1997 | US5670035 Solvent extraction, stripping, electrowinning |
| 09/23/1997 | US5670033 Process for making copper metal powder, copper oxides and copper foil |
| 09/17/1997 | EP0795046A1 Process for making copper metal powder, copper oxides and copper foil |
| 09/16/1997 | US5667665 Process of producing high purity cobalt |
| 09/16/1997 | US5667557 Hydrometallurgical extraction and recovery of copper, gold, and silver via cyanidation and electrowinning |
| 09/12/1997 | WO1997033007A1 Process for recovery of zinc from sphalerite containing ores or concentrates |
| 08/20/1997 | EP0789784A1 Process for decomposing and recovering the metal components from superalloys |
| 08/20/1997 | CN1157338A Leaching device for electrolyzed silver |
| 08/05/1997 | CA1339206C Method for hla-dp typing |
| 07/30/1997 | EP0786021A1 Process for making copper foil |
| 07/22/1997 | US5650057 Chloride assisted hydrometallurgical extraction of metal |
| 07/17/1997 | WO1997025453A1 Process for electrowinning of copper matte |
| 07/17/1997 | CA2214532A1 Process for electrowinning of copper matte |
| 07/15/1997 | US5647876 Method of removing volatile metals from slag using an acid wash |
| 07/05/1997 | CA2166590A1 Aluminum alloy cathode plate for electrowinning of zinc |
| 06/26/1997 | CA2240125A1 Container for corrosive material |
| 06/05/1997 | WO1997020087A1 Methods and apparatus for enhancing electrorefining intensity and efficiency |
| 06/05/1997 | CA2239045A1 Methods and apparatus for enhancing electrorefining intensity and efficiency |
| 06/03/1997 | US5635051 Intense yet energy-efficient process for electrowinning of zinc in mobile particle beds |
| 05/28/1997 | EP0775763A1 Silver electrolysis method in moebius cells |
| 05/27/1997 | US5632963 Process for the removal of impurity elements from solutions of valuable metals |
| 05/21/1997 | CN2254449Y Metallic silver recovery instrument for chemical oxygen consumption waste liquid |
| 05/21/1997 | CN1150182A Direct electrolyzing method for producing high-quality fine Sn using low-quality crude Sn |
| 05/21/1997 | CN1034958C Process for producing Zn by electrolysis of ZnS ore and its electrolytic cell |
| 05/21/1997 | CN1034957C Directly electrolytic extraction method of electrolytic copper by copper sulfide ore and its electrolytic cell |
| 05/20/1997 | US5630931 Process for the hydrometallurgical and electrochemical treatment of the active mass of exhausted lead batteries, to obtain electrolytic lead and elemental sulphur |
| 05/06/1997 | US5626739 Electrokinetic leaching |
| 04/24/1997 | WO1997014825A1 Process for making copper metal powder, copper oxides and copper foil |
| 04/24/1997 | DE19643003A1 Electrolytic production of zinc@ for batteries |
| 04/22/1997 | US5622615 Process for electrowinning of copper matte |
| 04/15/1997 | US5620586 Silver electrolysis method in Moebius cells |
| 04/15/1997 | CA2063474C Method and apparatus for recovering lead from batteries |
| 04/09/1997 | CN1147027A Process for producing electrolytic metal manganese using SOx from waste flue gas |
| 04/03/1997 | WO1997012078A1 Electrochemical system |
| 04/03/1997 | CA2232970A1 Electrochemical system |
| 04/02/1997 | EP0765944A1 Method of removing volatile metals from gasification slag particles using an acid wash |
| 03/27/1997 | CA2180308A1 Method of removing volatile metals from slag using an acid wash |
| 03/26/1997 | CN1145958A Direct electrolysis process of refining copper-bearing waste material |
| 03/12/1997 | CN1034231C Prodn. of zinc by complex compound electrolysis |
| 03/11/1997 | US5609745 Process for the electrochemical oxidation of Am(III) to Am(VI) usable for separating americium from spent nuclear fuel reprocessing solutions |
| 03/06/1997 | WO1997008363A1 Intense yet energy-efficient process for electrowinning of zinc in mobile particle beds |