Patents for C25C 5 - Electrolytic production, recovery or refining of metal powders or porous metal masses (865) |
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02/05/1998 | CA2262105A1 Process for preparing solvent-stabilized metal colloids and substrate-immobilized metal clusters |
11/26/1997 | CN1166186A Proces sof rmaking copper metal powder, copper oxides and copper foil |
11/05/1997 | EP0571467B1 Mineral recovery apparatus |
10/23/1997 | WO1997038771A1 Process for making shaped copper articles |
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 |
04/24/1997 | WO1997014825A1 Process for making copper metal powder, copper oxides and copper foil |
04/15/1997 | US5620584 Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed metal clusters by electrochemical reduction of metal salts |
04/03/1997 | WO1997012078A1 Electrochemical system |
04/03/1997 | CA2232970A1 Electrochemical system |
01/15/1997 | EP0739430A4 Process for making copper wire |
12/11/1996 | CN1137809A Process for making copper wire |
11/26/1996 | US5578183 Production of zinc pellets |
11/14/1996 | WO1996035830A1 Production of zinc fuel pellets |
10/30/1996 | EP0739430A1 Process for making copper wire |
10/30/1996 | CN1033173C Tech. for preparing alloy ultro-micro partical by heat treatment precipitation electrochemistry extraction |
08/27/1996 | US5549811 Process for decontamination soils polluted with metals |
06/25/1996 | US5529672 Mineral recovery apparatus |
06/13/1996 | DE4443392A1 Electrochemical redn. of metal salts to form colloids for optical and electronic use, etc. |
05/28/1996 | US5520792 Process for making copper metal powder, copper oxides and copper foil |
05/14/1996 | US5516408 Below the melting point, leaching, solvent extraction, electrodeposition |
05/09/1996 | WO1996013624A1 Process for making copper wire |
04/24/1996 | CN1121360A Process for making copper metal powder, copper oxides and copper foil |
03/14/1996 | WO1996007774A1 Preparation of lead-zirconium-titanium film and powder by electrodeposition |
03/05/1996 | US5496462 Process for obtaining a fine powder of dendritic cadmium |
02/07/1996 | EP0695377A1 Process for making copper metal powder, copper oxides and copper foil |
12/14/1995 | WO1995033871A1 Device for the production of ultrafine powders |
11/21/1995 | EP0695377A4 Process for making copper metal powder, copper oxides and copper foil |
10/31/1995 | US5462647 Electrolysis of soluble salts of lead, zirconium and titanium in electrolyte bath |
10/17/1995 | US5458746 Leaching |
09/27/1995 | CN1109109A Process for the electrochemical dissolution of sulfur-containing and/or concentrated minerals by ion-exchange membranes and potential differences |
09/21/1995 | DE4408958A1 Electron conductive particles contg. reactive heavy metal |
09/21/1995 | DE4408512A1 Electrochemical redn. of metal salts to form colloids for optical and electronic use, etc. |
09/20/1995 | EP0672765A1 Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed metal clusters by electrochemical reduction of metal salts |
07/27/1995 | WO1995020063A1 Preparation of superconductor precursor powders |
07/05/1995 | EP0661766A1 Zinc powder and battery anodes containing the same |
05/30/1995 | US5419987 High performance zinc powder and battery anodes containing the same |
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 |
05/09/1995 | US5413987 Preparation of superconductor precursor powders |
04/15/1995 | CA2104064A1 Removal of metal of graphite |
03/15/1995 | EP0642394A1 Process for decontamination of metal-polluted earth |
03/08/1995 | CN1099808A Tech. for preparing alloy ultro-micro partical by heat treatment precipitation electrochemistry extraction |
12/06/1994 | US5370784 Electrolytic process for the production of fine-grained, single-phase metallic alloy powders |
10/27/1994 | WO1994024334A1 Process for making copper metal powder, copper oxides and copper foil |
06/01/1994 | CN1087387A Method and apparatus for mineral recovery |
02/23/1994 | CN1082616A Technology of electric deposition of copper powder and extracting cupric oxide ore by carbon amino method |
02/03/1994 | WO1994002663A1 Method and apparatus for mineral recovery |
12/29/1993 | EP0575709A1 Method for electrolytic production of finely divided, single phase alloy powders |
12/15/1993 | EP0571467A4 Mineral recovery apparatus |
12/15/1993 | CN1023134C Molten salt electrolytic process for producing Ti-Al alloy powder |
12/09/1993 | WO1993024250A1 Method for decontaminating soils polluted by metals |
12/09/1993 | WO1993024249A1 Process for decontamination of metal-polluted earth |
12/09/1993 | CA2136847A1 Process for the decontamination of lands polluted by metals |
12/09/1993 | CA2113826A1 Method for decontaminating soils polluted by metals |
12/01/1993 | EP0571467A1 Mineral recovery apparatus |
11/11/1993 | DE4214415A1 Extracting metal and metal cpds. from combustion engine residue by chelation - using chelating agent soln. in electrolyte and synergistic effect obtd. by motion in relation to electric field |
11/04/1993 | DE4227179C1 Platinum@ electrolysis recovery - has cation exchange membrane separating anode and cathode zones to give metal powder without producing chlorine@ gas |
09/08/1993 | EP0559246A2 Coated porous metal panel |
04/06/1993 | US5200054 Dissolving metal salt; forming ice coating on cathode which has internal refrigerant conduit; depositing metal on cathode; recovering metal by melting and refreezing |
03/23/1993 | US5195243 Method of making a coated porous metal panel |
03/10/1993 | CN1069780A Process for seperating copper, zinc, lead, iron and tin from brass |
02/24/1993 | CN1069297A Zn powder production method |
01/05/1993 | US5176810 Reduction by molten salt electrolysis, heat treatment |
12/16/1992 | CN1019459B Fabrication method of superifine colummar metallic powder |
09/03/1992 | WO1992014865A1 Mineral recovery apparatus |
08/26/1992 | CN1063909A Molten salt electrolysis for producing ti-al alloy powder |
08/18/1992 | CA1306440C Rotary electroplating of spaced conductive areas |
08/05/1992 | EP0497675A1 Process for manufacturing a fine dendritic cadmium powder and powder obtained by this process |
08/04/1992 | US5135567 Reducing with hydrogen; heat treatment |
07/29/1992 | CA2060111A1 Process for obtaining a fine powder of dendritic cadmium and powder obtained from this process |
05/12/1992 | CA1300554C Method for selectively recovering lead from complex sulphidic non-ferrous metal concentrates |
01/08/1992 | EP0464380A2 Method for producing metal powders |
12/18/1991 | EP0461510A2 Method for producing metal powders |
08/21/1991 | CN1053932A Technology for making foam metal |
08/20/1991 | CA1287814C Process to prepare transition metal powders by electrolysis in molten salts baths |
07/16/1991 | CA1286251C Electrowinning cell |
06/05/1991 | EP0429748A1 Electrode for the recovery of metals from a solution containing metal-ions |
03/05/1991 | US4997532 Process for extracting noble metals |
01/23/1991 | EP0409420A1 Hybrid chromium recovery |
01/20/1991 | CA2017196A1 Hybrid chromium recovery process |
08/14/1990 | US4948476 Using electrolytic oxidation cell and coupled transport module |
06/30/1990 | CA2006893A1 Process for extracting noble metals |
05/23/1990 | EP0253841B1 Process for producing transition metal powders by electrolysis in baths of molten salts |
12/13/1989 | EP0172847B1 Metal recovery process |
10/25/1989 | CN2046504U Electrolyzer for producing metal powder |
09/26/1989 | CA1261297A1 Electrolytic recovery process and system for obtaining titanium metal from its ore |
09/20/1989 | CN1035629A Fabrication method of superfine colummar metallic powder |
02/08/1989 | CN1030950A Production of active lead powder with cinder in waste battery |
12/01/1988 | DE3716118A1 Process for incorporating whiskers in metal powders or in granular metallic material and the further processing of the latter to produce mouldings |
09/27/1988 | US4773978 Apparatus for the production of metals by electrolysis |
09/13/1988 | US4770750 Process for producing transition metal powders by electrolysis in melted salt baths |
06/16/1988 | DE3641754A1 Process for preparing aluminium nitride powder |
04/19/1988 | US4738762 Electrowinning system |
03/29/1988 | US4734172 Method for selectively recovering lead from complex sulphidic non-ferrous metal concentrates |
03/15/1988 | CA1234070A1 Electrowinning metal in diaphragm cell with smooth cathode |
02/09/1988 | US4724051 Impure zinc powder, preparation thereof, and use as a selective reductant for pentachloropyridine |
01/27/1988 | EP0253841A1 Process for producing transition metal powders by electrolysis in baths of molten salts. |
01/12/1988 | US4718996 Recovery of tungsten, scandium, iron, and manganese values from tungsten bearing material |
12/29/1987 | US4715934 Process and apparatus for separating metals from solutions |