| Patents for C22B 58 - Obtaining gallium or indium (821) |
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| 09/01/2010 | CN201567361U Production equipment for continuously desorbing tin from rough indium |
| 09/01/2010 | CN101818255A Method for comprehensively recovering valuable metals from copper blast furnace dust |
| 09/01/2010 | CN101818252A Non-volatile method for extracting zinc, iron and indium from solution of zinc, iron and indium |
| 08/25/2010 | CN101812603A Method for improving indium grade of enriched indium slag |
| 08/18/2010 | CN101805834A Non-destructive gallium-extracting method of gallium-contained porcelain clay |
| 08/18/2010 | CN101463425B Method for extraction separation of indium and tin from indium-tin mixing solution |
| 08/11/2010 | CN101798639A Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
| 08/11/2010 | CN101413059B Process for comprehensively and efficiently recycling zinc and indium in indium raffinate |
| 08/11/2010 | CN101289712B Process for recovering indium from indium-containing material |
| 08/04/2010 | CN101792868A Method for recycling gallium from gallium-bearing fly ash in Yili of Xinjiang |
| 07/28/2010 | CN101560611B Sponge indium vacuum direct ingot casting method |
| 07/21/2010 | CN201530784U Device for producing powdered mineral admixture from brown fused alumina smoke dust |
| 07/21/2010 | CN101255504B Production technique for extracting gallium from coal ash and coal gangue |
| 06/30/2010 | CN101760654A Method for recovering indium from indium-containing waste |
| 06/30/2010 | CN101760612A Method for recovering bismuth from secondary zinc oxide slag |
| 06/23/2010 | CN101748085A Leaching-ore bacteria and biological indium extraction process in sphalerite concentrate ore |
| 06/23/2010 | CN101492777B Method for producing molecular-beam epitaxy grade high-purity gallium |
| 06/23/2010 | CN101413064B Vacuum decomposing apparatus for separating gallium arsenide as metal gallium and metal arsenic |
| 06/16/2010 | CN101743332A Process for producing pure metallic indium from zinc oxide and/or solution containing the metal |
| 06/10/2010 | US20100139457 Method and apparatus for recovering indium from etching waste solution containing indium and ferric chloride |
| 06/09/2010 | CN101724750A Device for extracting gallium from sodium aluminate solution |
| 06/09/2010 | CN101386923B High-pure gallium preparation method |
| 06/02/2010 | CN101717868A Method for comprehensively recovering indium and gallium from distilled waste acid containing indium and gallium |
| 06/02/2010 | CN101717861A Process for extracting indium aluminum from high-aluminum high-iron scum containing indium aluminum |
| 06/02/2010 | CN101407864B Method for secondarily extracting gallium and germanium from fly ash |
| 05/19/2010 | CN101113490B Method for leaching indium from indium sulfide concentrate |
| 05/12/2010 | CN101705379A Method for recycling indium from silicon carbide materials containing indium |
| 05/05/2010 | CN101701296A Method for removing thallium by chlorination during production of high-purity indium |
| 05/05/2010 | CN101701292A Method for recovering indium and tin from ITO waste targets by utilizing oxidation method |
| 05/05/2010 | CN101701291A Method for recovering indium and tin from ITO waste target materials on basis of distillation |
| 04/29/2010 | US20100101367 Method and apparatus for recovering indium from waste liquid crystal displays |
| 04/21/2010 | CN101078052B Method for synthetically reclaiming iron and non-ferrous metal from solid waste of iron and steel plant |
| 04/13/2010 | CA2480808C Process for recovery of gallium |
| 03/31/2010 | CN101684562A Liquid making technique for manganese oxide ore |
| 03/17/2010 | CN101671833A Method for recovering silver in alloyed scrap containing indium, cadmium and silver |
| 03/17/2010 | CN101671777A Multi-metal recovery processing technique of waste liquid generated in germanium producing process |
| 02/16/2010 | CA2289965C Method for separation of metals from ore |
| 01/27/2010 | EP2147128A1 Process for producing pure metallic indium from zinc oxide and/or solution containing the metal |
| 01/20/2010 | CN201386129Y Gallium metal chemical extraction device |
| 01/20/2010 | CN100582265C Method for producing 4N metal gallium |
| 12/09/2009 | EP2130947A1 Method of recovering valuable metal from scrap containing conductive oxide |
| 12/09/2009 | CN201358292Y Vacuum decomposer capable of decomposing gallium arsenicde into metallic gallium and metallic arsenic |
| 12/09/2009 | CN201358291Y Metallic gallium longitudinal temperature gradient coagulation and purification device |
| 12/09/2009 | CN201358289Y Vacuum decomposer capable of decomposing gallium arsenide into metallic gallium and metallic arsenic |
| 12/09/2009 | CN101597699A Ion exchange method for extracting gallium from seed separation mother liquid |
| 12/09/2009 | CN101597692A Technological method for extracting indium from zinc oxide generated from waste residue from zinc by hydro-smelting |
| 11/25/2009 | CN101589164A Method and apparatus for collection of indium from etching waste solution containing indium and ferric chloride |
| 11/25/2009 | CN101589163A Method and apparatus for collection of indium from etching waste solution containing indium and ferric chloride |
| 11/18/2009 | CN100560758C Method for reclaiming indium from waste mercury-free basic zinc-manganese battery |
| 10/28/2009 | CN101565779A Method for producing zinc powder and reclaiming scattered metals indium and germanium by distilling aluminum hard zinc in vacuum |
| 10/28/2009 | CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 10/28/2009 | CN100554454C Method and apparatus for recovering indium from waste liquid crystal display |
| 10/21/2009 | CN101560611A Sponge indium vacuum direct ingot casting method |
| 10/21/2009 | CN101560602A Method for recycling gallium from alumina seed separation mother liquid using ion exchange method |
| 10/21/2009 | CN100552059C Method for leaching indium directly from indium ore |
| 10/07/2009 | CN201321485Y Installation for removing cadmium and thallium in production of high-purity indium |
| 09/23/2009 | CN101538659A Method for recovering metal gallium |
| 09/16/2009 | CN101532091A Technology of extracting and separating valuable metals such as Pb, In, Sb, Cu and Sn from lead smelting converter slags |
| 09/11/2009 | WO2009110149A1 Process for recovery of valuable metals from scrap izo |
| 09/09/2009 | CN101525696A Method for leaching indium from leaching residue containing indium |
| 09/09/2009 | CN101525693A Method for vulcanization, reducing oxidation and enrichment of low-grade material containing arsenic, indium and germanium |
| 08/20/2009 | WO2009101864A1 Method of recovering valuable metals from izo scrap |
| 08/20/2009 | WO2009101863A1 Method of recovering valuable metals from izo scrap |
| 08/05/2009 | CN101497947A Coarse gallium pretreatment impurity removing apparatus for producing high purity gallium |
| 07/29/2009 | CN101492777A Method for producing molecular-beam epitaxy grade high-purity gallium |
| 07/16/2009 | WO2009087908A1 Method of recycling useful metal |
| 07/15/2009 | EP2078767A1 Method for collection of valuable metal from ito scrap |
| 07/01/2009 | CN101469376A Method for recycling indium from solution containing indium and aluminium |
| 07/01/2009 | CN100507034C Method for separating indium in zinc calcine acid leaching solution |
| 07/01/2009 | CN100507033C Method for recovering indium |
| 06/17/2009 | CN101457307A Method and device for removing cadmium and thallium from high purity indium production |
| 06/03/2009 | CN201250274Y Device for diffluently solving opacification of indium liquid |
| 06/03/2009 | CN100494428C Production method for extracting gallium |
| 04/22/2009 | CN101413068A Metal gallium longitudinal temperature gradient solidification purification apparatus and method |
| 04/22/2009 | CN101413067A Chemical extraction method and apparatus for metal gallium |
| 04/22/2009 | CN101413066A Vacuum decomposing method for separating gallium arsenide as metal gallium and metal arsenic |
| 04/22/2009 | CN101413065A Vacuum decomposing apparatus for separating gallium arsenide as metal gallium and metal arsenic |
| 04/22/2009 | CN101413064A Vacuum decomposing apparatus for separating gallium arsenide as metal gallium and metal arsenic |
| 04/22/2009 | CN101413059A Process for comprehensively and efficiently recycling zinc and indium in indium raffinate |
| 04/15/2009 | CN101407864A Method for secondarily extracting gallium and germanium from fly ash |
| 04/08/2009 | CN101403051A Method for recycling indium from germanium distillation waste acid |
| 04/08/2009 | CN101403050A Washing method for recycling indium from germanium distillation waste acid |
| 04/08/2009 | CN101403049A Concentration method for recycling indium from germanium distillation waste acid |
| 04/08/2009 | CN101403048A Sulphuric acid solvent extraction method for recycling indium from germanium distillation waste acid |
| 04/08/2009 | CN101403047A Reduction acid-adjusting method for recycling indium from germanium distillation waste acid |
| 03/18/2009 | CN101386923A High-pure gallium preparation method |
| 02/18/2009 | CN101368231A Method for extracting metal gallium from coal ash |
| 02/18/2009 | CN101368230A Low-grade indium recycling process |
| 02/11/2009 | CN100460534C Preparation method of high-purity gallium |
| 01/21/2009 | CN101351567A Method for recovering rare metals in zinc leaching process |
| 12/31/2008 | CN101333606A Process for recovering gallium form gallium-purifying waste liquid |
| 12/31/2008 | CN101333605A Technology for extracting indium from indium-rich bottom lead |
| 12/17/2008 | CN100443604C Extraction and separation technology for reclaiming main impurity in indium in hydrochloric acid system |
| 12/17/2008 | CN100443601C Method for producing metal gallium with coproduction of alumina |
| 12/10/2008 | CN101319277A Alkalization method for recycling indium from germanium distillation waste acid |
| 11/27/2008 | WO2008141409A1 Process for producing pure metallic indium from zinc oxide and/or solution containing the metal |
| 11/19/2008 | CN101307390A Process for remove foreign metal of low boiling point in metal refining process |
| 11/06/2008 | WO2008132830A1 Method for recovering metal |
| 11/06/2008 | US20080271572 Method for Recovering Rare Metals in Zinc Leaching Process |
| 11/05/2008 | CN100430522C Preparation method of ultra high pure metal gallium |