| Patents for C22B 58 - Obtaining gallium or indium (821) |
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| 10/28/2008 | US7442356 Process for producing inorganic spheres |
| 10/22/2008 | CN101289712A Process for recovering indium from indium-containing material |
| 10/02/2008 | WO2008117649A1 Method of recovering valuable metal from scrap containing conductive oxide |
| 09/17/2008 | CN101265525A Method for enriching indium from indium-containing crude lead produced by pyrogenic process zinc smelting technique |
| 09/10/2008 | EP1966401A1 Method for recovering rare metals in a zinc leaching process |
| 09/03/2008 | CN101255504A Production technique for extracting gallium from coal ash and coal gangue |
| 09/03/2008 | CN101255502A Process for comprehensive recovery of indium, cadmium, thallium and zinc from lead system smoke |
| 08/06/2008 | CN201095646Y Leaching tower for dense moving bed |
| 07/31/2008 | WO2008090672A1 Method and apparatus for collection of indium from etching waste solution containing indium and ferric chloride |
| 07/31/2008 | WO2008090671A1 Method and apparatus for collection of indium from etching waste solution containing indium and ferric chloride |
| 06/25/2008 | CN100396804C Technology for extracting Gallium metal from lead-zine tail ore slug smelting by extracting-electrolytic method |
| 06/11/2008 | CN101198710A Indium containing metal producing method |
| 06/11/2008 | CN101195873A Deposition gallium from water solution |
| 06/11/2008 | CN101195872A Desorbent of ion exchange resin |
| 05/28/2008 | CN101186976A Method for withdrawing indium from indium-containing material |
| 05/14/2008 | CN101177741A Method for producing 4N metal gallium |
| 05/14/2008 | CN101177740A Method for separating indium in zinc calcine acid leaching solution |
| 04/16/2008 | CN100381196C Method of obtaining gallium-68 and use thereof and device for carrying out said method |
| 04/09/2008 | CN101157991A Production method for extracting indium from indium-containing blister lead |
| 04/09/2008 | CN101157983A Method for leaching indium directly from indium ore |
| 04/02/2008 | EP1905855A1 Method for recovering indium from indium-containing material |
| 03/04/2008 | US7338589 Electrolysis; solvent extraction; ion exchanging |
| 02/27/2008 | CN101133172A Method and apparatus for recovering indium from waste liquid crystal display |
| 02/27/2008 | CN101130835A Production method for extracting gallium |
| 02/27/2008 | CN100371472C Method for extracting metallic gallium from aluminium oxide production procedure |
| 02/06/2008 | CN101117662A Method for producing metal gallium with coproduction of alumina |
| 01/30/2008 | CN101115854A Method for recovering indium |
| 01/30/2008 | CN101113491A Method for leaching indium from indium sulfide concentrate by two-ores method |
| 01/30/2008 | CN101113490A Method for leaching indium from indium sulfide concentrate |
| 01/16/2008 | CN101104890A Method for reclaiming indium from waste mercury-free basic zinc-manganese battery |
| 01/16/2008 | CN101104887A Method for extracting indium-zinc alloy from waste mercury-free basic zinc-manganese battery |
| 01/16/2008 | CN101104884A Method for leaching, enriching and reclaiming indium from lead-zinc smelting by-product zinc oxide |
| 01/16/2008 | CN101104883A Method for reclaiming indium and tin from ITO waste material by pickling-vulcanization deposition combined technique |
| 12/05/2007 | CN101082086A Preparation method of high-purity gallium |
| 11/28/2007 | CN101078053A Method for extracting metal indium, zinc and bismuth from blast furnace gas ash |
| 11/28/2007 | CN101078052A Method for synthetically reclaiming iron and non-ferrous metal from solid waste of iron and steel plant |
| 11/28/2007 | CN100351408C Method for extracting indium from high-indium high-iron zinc sulphide concentrates by pressure acid leach and solvent extraction |
| 11/14/2007 | CN100348748C Process for comprehensive recovery of rare earth and thorium from rare earth ore |
| 10/17/2007 | EP1845169A1 Method for recovering indium |
| 10/03/2007 | CN100340679C Separation method of indium tin mixture |
| 09/13/2007 | WO2007102207A1 Process for producing indium-containing metal |
| 08/29/2007 | EP1099770B1 Refining process for high purity gallium for producing compound semiconductor and apparatus for the same |
| 07/05/2007 | WO2007074207A1 Method for recovering rare metals in a zinc leaching process |
| 07/05/2007 | CA2632923A1 Method for recovering rare metals in a zinc leaching process |
| 06/27/2007 | CN1323177C High Iron zinc calcine process method |
| 05/23/2007 | CN1966745A Extraction and separation technology for reclaiming main impurity in indium in hydrochloric acid system |
| 05/23/2007 | CN1966742A Technology for separating indium and antimony in indium extraction process |
| 04/04/2007 | CN1308466C Production method of zinc indium by pressurized acid leaching neutralization precipitation separation indium from indium containing high iron zinc sulfide concentrate |
| 03/28/2007 | CN1938438A Method for producing indium-containing metal |
| 02/14/2007 | CN1912153A Method for extracting metallic gallium from aluminium oxide production procedure |
| 02/08/2007 | WO2007015392A1 Method and apparatus for recovering indium from waste liquid crystal display |
| 02/08/2007 | US20070031329 Method of obtaining gallium-68 and use thereof and device for carrying out said method |
| 02/01/2007 | WO2007013903A2 Composition and method for improved aluminum hydroxide production |
| 01/23/2007 | US7166143 Refining an indium sponge under a layer of alkali to form indium; smelting the indium under a layer of chloride melt to form a salt melt; treating the salt melt with twice distilled water to form indium metal; treating the indium metal with an acetic acid solution water |
| 01/04/2007 | US20070003462 Removal of non-water soluble substances from solutions of aqueous metal extracts |
| 12/28/2006 | US20060292050 Composition and method for improved aluminum hydroxide production |
| 12/06/2006 | CN1288259C Process for extracting zinc and indium from low-grade zinc concentrates by wet method |
| 11/22/2006 | CN1865462A Method for direct extraction of indium from fluosilicic acid slurry |
| 11/15/2006 | CN1284871C Refining process of high purity gallium for producing compound semiconductor |
| 11/01/2006 | CN1282608C Technology for processing insoluble residue after recovering gallium metal form carbon precipitation spent liquor |
| 08/31/2006 | US20060191853 Water-in-oil-in-water emulsions of hydroxamated polymers and methods for using the same |
| 08/03/2006 | WO2006080742A1 Method for recovering high purity indium |
| 08/03/2006 | WO2006080565A1 Method for recovering indium |
| 08/02/2006 | CN1267583C Preparation of high purity indium |
| 08/01/2006 | CA2295468C Separation and concentration method |
| 06/21/2006 | CN1260381C Process for comprehensive recovering gallium and arsenic from industrial waste material of gallium arsenide |
| 05/31/2006 | CN1780679A Method of obtaining gallium-68 and use thereof and device for carrying out said method |
| 05/24/2006 | CN1775972A Technology for extracting Gallium metal from lead-zine tail ore slug smelting by extracting-electrolytic method |
| 04/12/2006 | CN1757768A Separation method of indium tin mixture |
| 03/29/2006 | CN1247806C Method for preparing sponge indium from indium slag |
| 02/22/2006 | CN1243116C Indium-zinc alloy vacuum distilling dezincification method |
| 02/22/2006 | CN1243114C Vacuum processing method for sponge indium |
| 02/08/2006 | CN1730683A High Iron zinc calcine process method |
| 01/18/2006 | CN1721559A Process for comprehensive recovery of rare earth and thorium from rare earth ore |
| 01/11/2006 | CN1718782A Production method of zinc indium by pressurized acid leaching neutralization precipitation separation indium from indium containing high iron zinc sulfide concentrate |
| 01/04/2006 | EP1610886A1 Method of obtaining gallium-68 and use thereof and device for carrying out said method |
| 12/14/2005 | CN1231606C Technique for integrated treatment for fuming of dregs of lead/stibium blast furnace |
| 11/16/2005 | CN1227703C Apparatus and method for producing indium ion beam |
| 11/09/2005 | CN1226432C High purity gallium for preparation of compound semiconductor, and apparatus for purifying the same |
| 10/13/2005 | WO2005095659A1 Method for producing indium-containing metal |
| 10/05/2005 | CN1221474C Method for preparing aqueous solution containing indium with low-content metal impurities |
| 09/28/2005 | CN1673416A Method for producing indium-containing aqueous solution |
| 09/07/2005 | CN1664134A Process for extracting zinc and indium from low-grade zinc concentrates by wet method |
| 08/23/2005 | US6932852 Method and apparatus for enhanced purification of high-purity metals |
| 07/21/2005 | US20050155870 Method for producing indium-containing aqueous solution |
| 06/23/2005 | US20050132844 Refining an indium sponge under a layer of alkali to form indium; smelting the indium under a layer of chloride melt to form a salt melt; treating the salt melt with twice distilled water to form indium metal; treating the indium metal with an acetic acid solution water |
| 05/25/2005 | CN1619018A Preparation method of ultra high pure metal gallium |
| 04/20/2005 | CN1197984C Process for extracting Ga from Ga-containing ore |
| 04/06/2005 | CN1603434A Method for preparing sponge indium from indium slag |
| 04/06/2005 | CN1603431A Vacuum processing method for sponge indium |
| 03/23/2005 | CN1598016A Process for comprehensive recovering gallium and arsenic from industrial waste material of gallium arsenide |
| 02/16/2005 | CN1580301A Indium-zinc alloy vacuum distilling dezincification method |
| 01/26/2005 | CN1569638A Technology for processing insoluble residue after recovering gallium metal form carbon precipitation spent liquor |
| 01/25/2005 | US6846470 Reducing impurities using ion exchange resin |
| 01/19/2005 | CN1566380A Refining process of high purity gallium for producing compound semiconductor |
| 10/27/2004 | CN1540006A Technique for integrated treatment for fuming of dregs of lead/stibium blast furnace |
| 10/21/2004 | WO2004089517A1 Method of obtaining galliun-68 and use thereof and device for carrying out saif method |
| 10/19/2004 | US6805833 Apparatus for enhanced purification of high-purity metals |
| 05/06/2004 | US20040083854 Method and apparatus for enhanced purification of high-purity metals |
| 05/04/2004 | US6730538 Fabricating electronic devices using actinide oxide semiconductor materials |