| Patents for C22B 13 - Obtaining lead (1,881) |
|---|
| 01/07/2009 | CN101338371A Salt-dipping and replacing process for associated metallic lead in gold concentrate |
| 01/07/2009 | CN101338368A Method for preprocessing anode sludge and recovering dissipated metal |
| 12/31/2008 | CN201173701Y Metallurgical furnace discharging and plugging tool |
| 12/24/2008 | CN101328539A Oxidation oven ash hydrometallurgical leaching process |
| 12/17/2008 | CN101323905A Fire metallurgy process of copper lead zinc mixing ore concentrate |
| 12/10/2008 | CN101321881A Method for processing lead-containing materials |
| 12/10/2008 | CN101321880A Method and apparatus for lead smelting |
| 12/10/2008 | CN100441709C Method of refining noble lead or dore silver |
| 11/19/2008 | CN201151736Y Improved device for producing 2# antimony by arsenic-containing lead-antimony alloy |
| 10/22/2008 | CN101291008A Method of recycling waste lead acid battery lead by electrolyzing with acid-wet method |
| 10/21/2008 | US7438730 Mixing and agglomerating metal oxide, a carbonaceous material of coal, coke, charcoal or carbon-containing blast furnace dust and an organic binder, drying and heating to produce a reduced metal from the metal oxide |
| 10/21/2008 | CA2265068C Method for removal of lead ion |
| 10/08/2008 | CN101280364A Method for producing high-stibium crude lead |
| 09/10/2008 | CN101260479A Flash smelting method for lead |
| 09/04/2008 | US20080210604 Article having a circuit soldered with parts and method for recycling wastes of the same |
| 08/27/2008 | CN101253644A Plant for the recovery of spent electric batteries |
| 08/26/2008 | CA2185890C Solder recovery |
| 08/20/2008 | CN100412213C Non-ferrous metal smelting device |
| 08/13/2008 | CN101240379A Method for directly smelting lead zinc sulfide ore by hydrogen |
| 07/29/2008 | US7404924 Flotation device |
| 07/24/2008 | WO2008087684A1 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 07/24/2008 | CA2675403A1 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste |
| 07/16/2008 | CN101220414A Technique for casting and rolling to produce 5052 alloy with electrolytic aluminium liquid short process flow |
| 07/09/2008 | CN101217205A A method of pre-treatment and components separation of waste lead-acid accumulator |
| 07/09/2008 | CN101215643A Method and device for smelting low grade zinc lead material |
| 07/09/2008 | CN100400683C Method for producing metallic lead and zinc by using lead-zinc containing waste slag or lead-zinc monoxide mine |
| 07/03/2008 | WO2008077905A1 Device and method for processing uncrushed lead storage batteries at an improved rate |
| 07/02/2008 | CN201080490Y Bottom blowing molten pool reducing furnace for liquid high lead dross reduction |
| 06/26/2008 | WO2008074575A1 Apparatus and process for the treatment of crude lead |
| 06/25/2008 | CN201077861Y Secondary lead energy-saving smelting-furnace |
| 06/19/2008 | DE102006059589A1 Vorrichtung und Verfahren zum Behandeln von Werkblei Apparatus and method for treating work-lead |
| 06/18/2008 | CN101200777A Method and equipment for continuous smelting of lead sulphide concentrate |
| 06/11/2008 | CN101196301A Reverberator for recovery processing waste lead acid accumulator |
| 06/11/2008 | CN101195866A Finery for recycling and processing waste and old lead acid accumulator |
| 06/04/2008 | CN100392123C Recovery of non-ferrous metals from zinc residues |
| 05/15/2008 | WO2008056125A1 Lead recycling |
| 05/14/2008 | EP1654392B1 Utilization of lead shavings in abrasion mills for the production of lead oxide |
| 05/07/2008 | EP1917694A2 Plant for the recovery of spent electric batteries |
| 05/07/2008 | CN101173326A Method for recovery utilization of acid waste liquid generated in waste lead acid accumulator lead -recovery process |
| 04/30/2008 | CN201053026Y Non-ferrous metal smelting device |
| 03/26/2008 | CN101148700A Treatment method for jamesonite and equipment thereof |
| 03/12/2008 | CN101139660A Method for extracting iron-lead and gold-silver from gold concentrate acidifying baking residue |
| 03/12/2008 | CN101139657A Process for extracting calcium-magnesium ion from solid slag containing calcium-magnesium with ultrasonic assistance |
| 03/12/2008 | CN100374587C Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead |
| 03/05/2008 | CN201031246Y Cooling down cylinder for smelting |
| 02/27/2008 | CN100371476C Method of slag fuming |
| 02/07/2008 | WO2008014538A1 Lead slag reduction |
| 02/07/2008 | CA2658674A1 Lead slag reduction |
| 01/30/2008 | CN100365142C Method for extracting beryllium-7 and lead-210 radioactive tracer from falling rain |
| 01/16/2008 | CN101104888A Molten aluminum refining equipment |
| 01/16/2008 | CN100361751C Method for floatation and recovery of lead zinc mixed concentrate from gold mine cyaniding slag tails |
| 01/03/2008 | WO2008002114A1 Method for reprocessing lead-containing materials |
| 01/01/2008 | US7314500 Systems and methods for removing contaminate material from a flowable material |
| 12/19/2007 | CN101090984A Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 12/12/2007 | CN200988859Y Oxygen bottom blowing melting furnace |
| 12/12/2007 | CN101086038A Direct lead smelting method in molten pool and its device |
| 12/12/2007 | CN101086037A Cooling drum for smelting |
| 12/05/2007 | CN101082080A Method for reclaiming metal by copper smelting-furnace magnesia brick lining |
| 11/28/2007 | CN200982639Y Flame furnace for waste and old lead-acid battery recovery processing |
| 11/28/2007 | CN200981886Y Fining furnace for waste and old lead-acid accumulator recovery processing |
| 11/28/2007 | CN101078059A Desulfurization and transformation method for waste lead accumulator regenerative lead |
| 11/14/2007 | CN200974859Y Continuous slag casting machine |
| 11/14/2007 | CN200974858Y Oxygen gun device for oxygen bottom-blowing smelting furnace |
| 10/31/2007 | CN200967832Y Novel environment protective reverberating furnace |
| 10/25/2007 | WO2001016383A3 Process and solution |
| 10/18/2007 | WO2003074743A3 Process for bismuth recovery from lead-bismuth dross |
| 10/17/2007 | CN101054627A Method of refining noble lead or dore silver |
| 10/03/2007 | EP1346072B1 Apparatus for feeding solid material and oxidizing gas into suspension smelting furnace |
| 09/19/2007 | EP1834001A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals |
| 09/18/2007 | CA2439970C Recovery of metals from jarosite-containing materials |
| 09/11/2007 | CA2395851C A method for treatment of flue gas cleaning products |
| 08/22/2007 | CN1333091C Process and apparatus for extracting zinc |
| 08/08/2007 | CN101012514A Method for producing metallic lead and zinc by using lead-zinc containing waste slag or lead-zinc monoxide mine |
| 07/11/2007 | CN1995416A 有色金属冶炼装置 Non-ferrous metal smelting plant |
| 07/11/2007 | CN1325672C Lead smelting method and apparatus implementing the same |
| 06/27/2007 | CN1323177C High Iron zinc calcine process method |
| 06/20/2007 | EP1670960B1 Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 06/13/2007 | EP1641948B1 Recovery of non-ferrous metals from zinc residues |
| 06/07/2007 | WO2007026322A3 Plant for the recovery of spent electric batteries |
| 06/07/2007 | US20070125197 Recovery of non-ferrous metals from zinc residues |
| 05/03/2007 | US20070095169 metallurgy; zinc separation; flash or agitated bath fuming step, to produce an Fe-bearing slag and Zn- and Pb-bearing fumes; recovering Cu and the precious metals |
| 04/17/2007 | CA2142639C Method and apparatus for suspension smelting |
| 04/12/2007 | WO2007038840A1 Method and apparatus for lead smelting |
| 04/12/2007 | CA2624670A1 Method and apparatus for lead smelting |
| 03/28/2007 | CN2883397Y Oxygen supplying unit of oxygen-enriched smelting tech of lead blast furnace |
| 03/08/2007 | WO2007026322A2 Plant for the recovery of spent electric batteries |
| 03/07/2007 | CN1303234C Environmental protection method for extracting lead in waste storage battery |
| 03/01/2007 | US20070045842 Lead-containing solder bumps |
| 03/01/2007 | US20070045839 Lead-containing solder paste |
| 03/01/2007 | US20070045838 Lead-containing anodes |
| 02/08/2007 | US20070028720 Process for the high yield recovery of lead from spent lead-acid batteries with reduced associated production of slag and gaseous emissions |
| 01/31/2007 | CN1906315A Method of slag fuming |
| 01/23/2007 | US7165680 Selective flotation agent and flotation method |
| 01/17/2007 | EP1742877A2 Remediation of heavy metals in ammunition traps and shooting ranges |
| 01/10/2007 | CN1891841A Regenerative lead processing method and apparatus |
| 01/02/2007 | US7157064 Preparing an aqueous suspension of the solid or semisolid waste material, separating the solid and liquid material to obtain solid waste and liquid waste solution, collecting solid waste, repeating above steps, acidifying liquid waste |
| 12/28/2006 | WO2005074651A3 Remediation of heavy metals in ammunition traps and shooting ranges |
| 12/13/2006 | CN1878879A Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 12/05/2006 | CA2303650C Multiple coherent jet lance |
| 11/22/2006 | CN1865464A Method for extracting beryllium-7 and lead-210 radioactive tracer from falling rain |