| Patents for C25C 5 - Electrolytic production, recovery or refining of metal powders or porous metal masses (865) |
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| 03/02/2004 | US6699579 Electroplating a uniformly thick layer of metal, including the iron, cobalt, or both to make a metal magnetic, onto a cathode from electrolyte, separating the layer from electrolyte to define flakes in the electrolyte having specific size |
| 02/12/2004 | US20040025638 Flushing zinc under protective coating of zinc chloride |
| 02/04/2004 | CN1472367A Preparing method for conductive composite bronze powder and composite bronze conductive sizing agent |
| 01/22/2004 | WO2004007808A1 Method and apparatus for producing niobium powder or tantalum powder |
| 01/22/2004 | WO2004007805A2 Spouted bed electrode cell for metal electrowinning |
| 01/20/2004 | CA2104120C Mineral recovery apparatus |
| 12/11/2003 | WO2003102275A2 Electrochemical process for preparing zinc metal and process for preparing zinc dithionite using electrochemically produced zinc metal |
| 12/04/2003 | US20030221972 Process for preparing zinc metal which comprises electrochemically reducing an aqueous alkaline slurry or solution of zinc oxide or any other compound that reacts with an aqueous base to produce zinc oxide, wherein the process |
| 10/22/2003 | CN1450205A Process for preparing titanium sponge from titanium oxide composite ore |
| 10/09/2003 | WO2003083178A1 Process for the preparation of zinc dithionite |
| 10/02/2003 | US20030183535 Preparing zinc dithionite comprising reacting zinc metal with sulfur dioxide, wherein the zinc metal used in the reaction is produced by electrochemical reduction in an undivided electrochemical cell of an aqueous alkaline slurry or |
| 09/18/2003 | WO2003076692A1 Minimising carbon transfer in an electrolytic cell |
| 09/18/2003 | CA2479050A1 Minimising carbon transfer in an electrolytic cell |
| 09/03/2003 | EP1339884A2 Metal and alloy powders and powder fabrication |
| 08/27/2003 | EP1337692A1 Intermetallic compounds |
| 06/25/2003 | EP1259652A4 Process and apparatus for recovery of cyanide and metals |
| 06/12/2003 | WO2003048425A2 Electrochemical process for preparation of zinc metal |
| 06/12/2003 | US20030106806 Electrochemical process for preparation of zinc metal |
| 05/27/2003 | US6569311 Electrochemically reducing the solubilized zinc oxide or zinc compound to zinc powder, while continuously or intermittently adding zinc based compound to the cell to maintain the concentration and the same way removing zinc powder formed |
| 05/27/2003 | US6569310 Dissolving the zinc oxide or the other zinc compound in an aqueous alkali or alkaline earth metal hydroxide solution, passing a current to the cell to electrochemically reduce the zinc oxide to zinc powder |
| 05/15/2003 | US20030089619 Process and apparatus for recovery of cyanide and metals |
| 04/10/2003 | WO2003029146A1 Process for preparing zinc metal |
| 03/27/2003 | US20030057105 Compositions containing aqueous basic saturated solutions of zinc oxide and processes for preparing said solutions and zinc metal |
| 03/27/2003 | US20030057101 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 03/19/2003 | CN1404530A Electrolytic reduction of metal oxides such as titanium dioxide and process application |
| 03/13/2003 | US20030047463 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 03/13/2003 | US20030047462 Electrolysis of mixed metal oxide feedstock in a fused metal salt or a mixture of such salts under conditions such that ionisation of oxygen rather than metal deposition occurs and that oxygen dissolves in the electrolyte |
| 02/27/2003 | WO2003016594A1 Method of manufacturing titanium and titanium alloy products |
| 12/05/2002 | DE10123585C1 Production of metals which foam on heat treatment or metal foams comprises suspending a propellant which splits gas on heat treatment in a galvanic electrolyte, and galvanically depositing the metal with the electrolyte on a substrate |
| 11/27/2002 | EP1259652A1 Process and apparatus for recovery of cyanide and metals |
| 11/20/2002 | EP1257679A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 11/20/2002 | EP1257678A1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 11/20/2002 | EP1257677A1 Method of manufacture for ferro-titanium and other metal alloys by electrolytic reduction |
| 09/26/2002 | US20020134689 Continuous electrochemical process for preparation of zinc powder |
| 09/26/2002 | US20020134688 Electrochemical process for preparation of zinc powder |
| 09/17/2002 | US6451183 Method and apparatus for electrowinning powder metal from solution |
| 09/04/2002 | EP0835334B1 Production of zinc fuel pellets |
| 08/20/2002 | US6436539 Plurality of electrolytically prepared dendritic zinc alloy particles and bismuth as a minor alloying element in a concentration |
| 08/15/2002 | WO2002040725A3 Metal and alloy powders and powder fabrication |
| 08/07/2002 | EP1229150A1 Electrochemical process for preparation of Zinc powder |
| 08/02/2002 | CA2347308A1 Electrochemical process for preparation of zinc powder |
| 07/11/2002 | WO2001007684A3 Method and apparatus for electrowinning powder metal from solution |
| 05/23/2002 | WO2002040748A1 Intermetallic compounds |
| 05/23/2002 | WO2002040725A2 Metal and alloy powders and powder fabrication |
| 05/23/2002 | CA2429024A1 Metal and alloy powders and powder fabrication |
| 05/21/2002 | CA2224148C Process for making shaped copper articles |
| 05/15/2002 | CN1084803C Process for making copper metal powder, copper oxides and copper foil |
| 04/23/2002 | US6376063 Making particulates of controlled dimensions by electroplating |
| 03/28/2002 | US20020037433 Particulates of controlled dimension |
| 03/27/2002 | EP0915997B1 Process for preparing solvent-stabilised metal colloids and substrate-immobilised metal clusters |
| 01/02/2002 | EP1165862A1 Process for recovering copper from a high acid mixed metal solution |
| 11/27/2001 | US6322609 Low density high surface area copper powder and electrodeposition process for making same |
| 11/20/2001 | US6319391 Separation in bath containing aqueous oxidizing electrolyte; electrolysis to disintegrate; particle fall through grid |
| 11/15/2001 | WO2001062996A9 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 08/30/2001 | WO2001062996A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 08/30/2001 | WO2001062995A1 Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms |
| 08/30/2001 | WO2001062994A1 Method of manufacture for ferro-titanium and other metal alloys electrolytic reduction |
| 08/30/2001 | WO2001062993A1 Process and apparatus for recovery of cyanide and metals |
| 08/30/2001 | CA2401034A1 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 08/30/2001 | CA2400806A1 Process and apparatus for recovery of cyanide and metals |
| 08/22/2001 | EP0795046B1 Process for making copper metal powder, copper oxides and copper foil |
| 06/27/2001 | EP0695377B1 Process for making copper metal powder, copper oxides and copper foil |
| 05/01/2001 | US6224739 Electrolytic reduction of transition metal salts |
| 04/10/2001 | CA2204858C Process for making copper metal powder, copper oxides and copper foil |
| 02/14/2001 | CN1284139A Low density high surface area copper powder and electrodeposition process for making same |
| 02/01/2001 | WO2001007684A2 Method and apparatus for electrowinning powder metal from solution |
| 11/15/2000 | EP1051542A1 Low density high surface area copper powder and electrodeposition process for making same |
| 11/07/2000 | CA2144217C 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 |
| 10/25/2000 | CN1057802C Method for preparing thin tungsten powder by using molten-salt electrolysis |
| 07/27/2000 | WO2000043576A1 Process for recovering copper from a high acid mixed metal solution |
| 07/27/2000 | CA2360994A1 Process for recovering copper from a high acid mixed metal solution |
| 05/16/2000 | CA2155207C Process for making copper metal powder, copper oxides and copper foil |
| 05/04/2000 | DE19850235A1 Base metals are recovered from acidic process solutions, especially electroplating, pickling or waste solutions, by dosing into a circulating catholyte of a divided electrolysis cell |
| 04/18/2000 | CA2176487C Process for making copper wire |
| 03/14/2000 | US6036839 Electrodepositing the copper powder from an electrolyte solution having controlled concentrations of copper, sulfate, chloride and iron ions yields particles for sintering of high strength objects, powder metallurgy |
| 01/26/2000 | CN2360424Y Electrolytic appts for prodn. high pure electrolytic ferrous powder by utilizing iron waste material |
| 12/23/1999 | WO1999066107A1 Making particulates of controlled dimensions |
| 10/06/1999 | CN1230600A Technological process of desorbing electrolytic gold from gold-carrying carbon |
| 08/12/1999 | WO1999040240A1 Low density high surface area copper powder and electrodeposition process for making same |
| 08/12/1999 | CA2317573A1 Low density high surface area copper powder and electrodeposition process for making same |
| 08/04/1999 | EP0836523A4 Process for making shaped copper articles |
| 07/20/1999 | US5925463 Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed clusters by electrochemical reduction of metal salts |
| 05/19/1999 | EP0915997A1 Process for preparing solvent-stabilised metal colloids and substrate-immobilised metal clusters |
| 03/16/1999 | US5882502 Electrochemical apparatus and system for extracting and recovering metals from their compounds |
| 01/20/1999 | CN1041757C Zn powder prodn. method from material containing Zn by immersion electrolysis process |
| 12/30/1998 | EP0795046A4 Process for making copper metal powder, copper oxides and copper foil |
| 12/09/1998 | EP0854941A4 Electrochemical system |
| 11/17/1998 | US5837119 Plating surfaces, growing copper dendrites with current density, nucleation, removal and heat treatment |
| 10/13/1998 | US5820653 Process for making shaped copper articles |
| 09/02/1998 | CN1192165A Process for making shaped copper articles |
| 08/05/1998 | EP0835334A4 Production of zinc fuel pellets |
| 08/04/1998 | US5789348 Metallic powders |
| 07/29/1998 | EP0854941A1 Electrochemical system |
| 07/28/1998 | US5785837 Preparation of transparent conductors ferroelectric memory materials and ferrites |
| 06/23/1998 | CA2087698C Coated porous metal panel and method |
| 04/29/1998 | CN1180112A Method for preparing thin tungsten powder by using molten-salt electrolysis |
| 04/22/1998 | EP0836523A1 Process for making shaped copper articles |
| 04/15/1998 | EP0835334A1 Production of zinc fuel pellets |
| 02/05/1998 | WO1998004763A1 Process for preparing solvent-stabilised metal colloids and substrate-immobilised metal clusters |
| 02/05/1998 | DE19630581A1 Verfahren zur Herstellung von Solvens-stabilisierten Metallkolloiden und trägerfixierten Metallclustern Process for the preparation of solvent-stabilized metal colloids and substrate fixed metal clusters |