Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) |
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12/13/1995 | EP0584188B1 Electrolytic desilvering process |
11/22/1995 | EP0683136A2 Silver removal |
11/22/1995 | EP0682806A1 Process for the treatment of particulate material |
11/21/1995 | US5468354 Electrolysis of aqueous solution of zinc, nickel, cadmium or cobalt chloro-ammino complex in cell with anode and cathode in intercommunicated compartments to form metal, ammonia, chlorine and nitrogen; electrolyte pH controlled at 6-8 |
11/21/1995 | US5468353 Mist suppressant for solvent extraction metal electrowinning |
11/21/1995 | EP0695377A4 Process for making copper metal powder, copper oxides and copper foil |
11/16/1995 | WO1995030783A1 Mist suppressant for solvent extraction metal electrowinning |
11/16/1995 | WO1995030626A1 Recovery of chemical values from industrial wastes |
11/16/1995 | CA2188658A1 Recovery of chemical values from industrial wastes |
11/07/1995 | US5464507 Process for the electrolytic deposition of metals |
11/07/1995 | US5464506 Electrolytic device and method having a porous and stirring electrode |
11/07/1995 | CA2148320A1 Electrochemical deionisation |
11/02/1995 | EP0527882B1 Method and device for porous-electrode electrolysis |
10/25/1995 | CN1110725A Compound alloy anode for electrolytic production of metal manganes and its preparation method |
10/18/1995 | EP0627013B1 Process for separating disturbing elements from solutions of valuable metals |
10/18/1995 | CN1110326A New process for extracting copper by leaching-electrode position |
10/17/1995 | US5458746 Leaching |
10/17/1995 | US5458745 Method for removal of technetium from radio-contaminated metal |
10/12/1995 | EP0701636A4 Method and apparatus for the electrolytic production of copper wire |
10/10/1995 | CA2017032C Hydrometallurgical silver refining |
10/05/1995 | WO1995026418A1 Hydrometallurgical extraction process |
10/04/1995 | EP0675213A1 Electrolytic copper foil for printed wiring boards and process for producing the same |
09/27/1995 | CN1109109A Process for the electrochemical dissolution of sulfur-containing and/or concentrated minerals by ion-exchange membranes and potential differences |
09/26/1995 | US5453253 Reacting with concentrate of zinc sulfide in dilute sulfuric acid; suspending, flashing, separation, leaching, and electrolysis |
09/26/1995 | US5453111 Method for separation of metals from waste stream |
09/19/1995 | US5451298 Method and device for the electrolytic recovery of silver in two film processing machines |
09/19/1995 | CA1337021C Process for the extraction and purification of gallium from bayer liquors |
09/13/1995 | CN1029746C One step electrolysis method for extracting copper |
09/08/1995 | WO1995023880A1 Treatement of electrolyte solutions |
09/06/1995 | EP0479956B1 Silver recovery device |
08/23/1995 | EP0663021A4 Electrolytic oxidizer. |
08/22/1995 | US5443708 Cathode for the electrolytic deposition of non-ferrous metals |
08/15/1995 | US5441609 Process for continuous electrochemical lead refining |
08/09/1995 | CN1106473A Membrane powersupplyless electrolysis process |
08/09/1995 | CN1029487C Method and apparatus for separating and reclaiming artificial diamond and contact media metal from synthetic plate |
08/08/1995 | US5439562 Electrochemical decontamination of radioactive metals by alkaline processing |
08/02/1995 | CN1106078A Pre-treating technology and device for manufacturing metal foil |
07/26/1995 | CA2140990A1 Procedure for stripping electrolytic copper deposited on stainless steel, titanium or other metallic permanent cathodes |
07/19/1995 | EP0663021A1 Electrolytic oxidizer |
07/18/1995 | US5434035 Fixer additives used in combination with iron complex based bleaches to improve desilvering |
07/05/1995 | EP0661593A2 Fixer additives used in combination with iron complex based bleaches to improve desilvering |
06/28/1995 | CN1104266A Technology for extracting gold by directly electrolysing noble liquid cyanide |
06/28/1995 | CN1104265A Suspension electrolyte technology for copper mine |
06/27/1995 | US5427877 Method and apparatus for controlling an automatic silver recovery system for a photographic processor |
06/13/1995 | US5423957 Electrolytic process for dissolving platinum, platinum metal impurities and/or platinum metal alloys |
06/08/1995 | WO1995015566A1 Process for the treatment of particulate material |
05/31/1995 | EP0655419A1 Process for treating photographic waste water |
05/31/1995 | CN1028659C Purifying lead electrolytic solution technology |
05/31/1995 | CN1028658C Purifying copper electrolytic solution technology |
05/30/1995 | US5419882 Adsorption by manganese dioxide sludge |
05/24/1995 | EP0654547A1 Electrochemical refining of metals |
05/23/1995 | CA2136052A1 Process for the electrochemical dissolution of sulfur-containing and/or concentrated minerals by ion-exchange membranes and potential differences |
05/17/1995 | CN1102673A Method of electrolysis extracting copper from material containing cupric sulfide |
05/11/1995 | DE4338228A1 Cyclic process for reprocessing metal-containing residues |
05/05/1995 | CA2134586A1 Purification of aqueous solutions |
05/02/1995 | US5411645 Hydrogen assisted reduced oxide soldering system |
05/02/1995 | US5411643 Integrated process of using chloric acid to separate zinc oxide and manganese oxide |
05/02/1995 | US5411575 Treatment of ores for copper and gold with cyanide |
05/02/1995 | CA1335435C Drum electrolysis |
04/26/1995 | CN2195552Y Electrolysis bath for processing metal manganese |
04/25/1995 | US5409582 Passing aqueous solution containing ionic silver and copper through electrowinning cell at first potential to deplete silver, diluting and electrowinning at a second potential to deplete copper |
04/05/1995 | EP0646185A1 Production of metals from minerals |
04/05/1995 | CN1101083A A cathode for the electrolytic deposition of non-ferrous metals |
03/23/1995 | WO1995008009A1 Process for the recovery of a heavy metal |
03/21/1995 | US5399249 Metal recovery device |
03/16/1995 | WO1995007375A1 Cell for the recovery of metals from dilute solutions |
03/16/1995 | CA2169482A1 Cell for the recovery of metals from dilute solutions |
03/15/1995 | CN1100153A Method for removal of copper from electrolytic nickel anodic liquid |
03/14/1995 | CA1334745C Continuous silver refining cell |
03/01/1995 | EP0640424A1 Hydrogen assisted reduced oxide soldering system |
02/28/1995 | US5393389 Electrolytic process for obtaining high purity platinum from contaminated platinum |
02/28/1995 | US5393388 From concentrated hydrochloric acid solutions of platinum alloys containing rhodium, iridium and/or palladium |
02/20/1995 | CA2111124A1 Hydrogen assisted reduced oxide soldering system |
02/15/1995 | EP0638667A1 Process for continuous electrochemical lead refining |
02/15/1995 | EP0638664A1 Process and apparatus for regenerating solutions containing metal ions and sulfuric acid |
02/14/1995 | US5389212 Method for recovering photographic and industrial waste |
01/18/1995 | EP0634503A1 A cathode for the electrolytic deposition of non-ferrous metals |
01/17/1995 | CA1333960C Hydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteries |
01/12/1995 | DE4322740A1 Process for recovering tin metal from tin compounds RSn in the gaseous state |
01/10/1995 | CA1333895C Process for electrowinning copper |
01/03/1995 | US5378340 Apparatus for the electrolytic recovery of silver |
01/03/1995 | US5378329 Process for the preparation of an alkaline-zinc slurry for use in batteries |
01/03/1995 | US5378328 Electrowinning from hot sulfuric acid solution; corrosion resistant anode and cathode |
12/14/1994 | EP0521865B1 Device for the electrolytic regeneration of an etching agent containing metal, especially copper |
12/13/1994 | US5372684 Process for the direct electrochemical refining of copper scrap |
12/13/1994 | US5372683 Method and apparatus for the electrolytic extraction of metals from a solution containing metal ions |
12/07/1994 | EP0627504A1 Method and apparatus for controlling electrolytic silver recovery for two film processing machines |
12/07/1994 | EP0627503A2 Process for heavy metal electrowinning |
12/07/1994 | EP0627502A2 Electroplating method and apparatus |
12/06/1994 | US5370781 Electrode |
11/30/1994 | CN2183998Y Tower filling bed-type electric tank |
11/29/1994 | US5368701 Process for forming Zintl phases and the products thereof |
11/29/1994 | CA1333267C Hydrometallurgical process for recovering in pure metal form all the lead contained in the active mass of exhausted batteries |
11/23/1994 | EP0625592A1 Method and device for the electrolytic recovery of silver in two film processing machines |
11/22/1994 | US5366612 Process for making copper foil |
11/09/1994 | CN1094762A One-step Zn smelting technique by suspension electrolysis of ZnS |
11/08/1994 | US5362369 Fully automatic current control for metal depletion cells |
11/02/1994 | CN1094460A Directly electrolytic extraction of electrolytic copper by copper sulfide ore |
10/27/1994 | WO1994024338A1 Process for making copper foil |
10/27/1994 | WO1994024334A1 Process for making copper metal powder, copper oxides and copper foil |