| Patents for C22B 41 - Obtaining germanium (284) |
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| 01/21/2015 | CN103334011B 从提锗煤渣和提锗酸渣中二次回收锗的工艺方法 From mention mention germanium and germanium cinder acid residue secondary recovery process for germanium |
| 01/07/2015 | CN204080060U 含锗原料提锗实验装置 Germanium germanium-containing materials experimental device |
| 12/24/2014 | CN102766765B 氧化锌粉回收利用方法 Zinc oxide recycling method |
| 12/10/2014 | CN103388086B 一种从含锗废弃元件中提取锗的方法 A method for extracting germanium from germanium-containing scrap elements |
| 07/30/2014 | CN103952575A 一种从含锗物料中回收锗的方法 A germanium-containing materials recovered from germanium method |
| 07/30/2014 | CN103952547A 一种锌加压浸出一段渣的处理方法 A zinc pressure leach treatment period of slag |
| 06/25/2014 | CN103882230A 一种从含锗渣中直接硫酸浸出锗的方法 A method for leaching germanium germanium-containing slag directly from sulfuric acid |
| 06/25/2014 | CN103882228A 从铟冶炼系统萃余液中富集回收镓锗的方法 Recycling methods gallium and germanium, indium enrichment from smelting system raffinate |
| 06/25/2014 | CN102433435B 一种萃取锗镓的萃取剂及其萃取方法 Extraction solvent extraction method for the extraction of germanium and gallium |
| 06/18/2014 | CN103866124A Method for extracting germanium from germanium-containing acidic solution by using TiO2.nH2O |
| 05/07/2014 | CN101638725B 从低锗煤尘中湿法富集锗精矿的一种方法 Low enriched germanium germanium concentrate wet coal dust in one way |
| 04/30/2014 | CN103757422A Method for recovering germanium from germanium-containing multi-metal material |
| 04/02/2014 | CN103695657A Method for enriching and recovering gallium and germanium from zinc hydrometallurgy waste residues |
| 03/26/2014 | CN103667693A Method for extracting germanium from high-silicon raw material |
| 03/05/2014 | CN103614576A Method for recycling germanium from germanium-containing glass |
| 02/12/2014 | CN102345021B Method for recovering germanium from germanium smoke dust by microwave pretreatment |
| 01/29/2014 | CN103540755A Method for enriching germanium from low-concentration germanium-containing solution |
| 01/15/2014 | CN103509948A Method for enriching germanium from zinc hydrometallurgy leaching solution |
| 01/09/2014 | WO2014007500A1 Method for preparing germanium nanoparticles by using laser photolysis of gaseous molecule |
| 01/08/2014 | CN203382811U Novel pyrogenic process extraction equipment for germanium |
| 01/08/2014 | CN203382807U Oxidizing roasting equipment for recovered germanium, gallium, indium and selenium |
| 01/01/2014 | CN102936661B Method for decomposing and leaching germanium and indium from lead and zinc alloy residues |
| 12/25/2013 | CN103468977A Method for selectively leaching germanium and gallium from complex smelting slag with germanium and gallium or ore with germanium and gallium |
| 12/25/2013 | CN103468963A Method for crystal separation of zinc and cadmium from zinciferous waste residues |
| 12/11/2013 | CN102787242B Method for recovering germanium and indium from germanium-containing material generated from lead and zinc smelting process |
| 11/19/2013 | US8585797 Method for preparing nanocrystalline germanium in GeO2 and freestanding germanium nanoparticles |
| 11/13/2013 | CN103388086A Method for extracting germanium from germanium-containing abandoned element |
| 11/13/2013 | CN102628109B Complexing germanium depositing agent and application in germanium enriching in germanium-containing ore solution thereof |
| 10/23/2013 | CN103361496A Method for volatilizing, enriching and extracting germanium concentrate from low-quality low-grade germanium-containing powdery brown coal in chain grate furnace |
| 10/02/2013 | CN103334011A Process for secondary recovery of germanium from germanium refining coal cinder and germanium refining acid sludge |
| 09/25/2013 | CN103320611A Method for selectively extracting gallium and germanium from peracid lixivium containing gallium and germanium |
| 09/04/2013 | CN101892397B Process method for comprehensively recovering germanium from hydrolysis mother liquor and washing water |
| 08/21/2013 | EP2627792A1 Method for treating a solution containing zinc sulphate |
| 08/21/2013 | CN102634659B Process for recycling gallium from gallium and germanium contained concentrate |
| 08/21/2013 | CN102191391B Method for extracting germanium from high-impurity low-grade complex zinc oxide powder |
| 08/06/2013 | US8500844 Process for producing powders of germanium |
| 08/01/2013 | US20130192424 Method for treating a solution containing zinc sulphate |
| 07/17/2013 | CN103205563A Method for extracting rare noble metals by wet method |
| 07/10/2013 | CN102719679B Method for recycling gallium and germanium from germanium-extracted residues |
| 07/10/2013 | CN101476042B Method for recycling indium and germanium from alkali slag |
| 07/03/2013 | CN203030148U Waste gas treatment device for crude germanium smelting |
| 06/26/2013 | CN103173624A Method for recovery germanium from germanium-containing flue dust |
| 06/26/2013 | CN103173620A Germanium oxide separation and extraction method |
| 06/19/2013 | CN103160688A Method for preparing germanium concentrate from germanium-containing leachate through utilizing zinc powder replacement method |
| 06/19/2013 | CN101476052B Germanium volatilization oxidation oven |
| 06/12/2013 | CN103154283A Method for treating a solution containing zinc sulphate |
| 05/15/2013 | CN102199706B Method for comprehensively recovering valuable metal in diode core |
| 04/24/2013 | CN102140588B Method for preparing tara tannin germanium extracting agent |
| 03/20/2013 | CN102978391A Technology for zinc wet-process clean smelting and resource comprehensive recycling |
| 02/20/2013 | CN202744613U Chloridizing distillation device for extracting germanium from germanium concentrate |
| 02/20/2013 | CN102936661A Method for decomposing and leaching germanium and indium from lead and zinc alloy residues |
| 02/13/2013 | CN102925689A Method for recovering germanium in waste and old germanium-doped fibers |
| 01/22/2013 | CA2580398C Process for the production of ge by reduction of geci4, with liquid metal |
| 12/27/2012 | US20120325052 Method and Device for Producing a Radionuclide |
| 12/26/2012 | CN102181652B Germanium leaching enrichment method for germanium-containing soot of power plant |
| 12/12/2012 | CN102337391B Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 11/21/2012 | CN102787243A Method for recycling germanium from zinc distillation residues |
| 11/21/2012 | CN102787242A Method for recovering germanium and indium from germanium-containing material generated from lead and zinc smelting process |
| 11/21/2012 | CN102094128B Method for comprehensively recovering various valuable metals from germanium-containing material by wet process |
| 11/07/2012 | CN102766765A Zinc oxide powder recycling method |
| 10/17/2012 | CN102181653B Method for recovering germanium from germanium-containing smoke dust |
| 10/10/2012 | CN102719679A Method for recycling gallium and germanium from germanium-extracted residues |
| 10/03/2012 | CN102703717A Method for recycling gallium and germanium from residual liquid of process that germanium is extracted from coal dust containing germanium |
| 10/03/2012 | CN102703707A Method for recovering indium and germanium from zinc leaching residue |
| 10/03/2012 | CN102703695A Method for comprehensively recovering iron and germanium from zinc calcine containing high iron and high indium |
| 10/03/2012 | CN102703690A Method for separating high-ferrosilicon complex zinc oxide lean ores through combined treatment |
| 10/03/2012 | CN102031371B Method for enriching germanium from wet process zinc smelting system |
| 09/27/2012 | DE112009001931T5 Verfahren zur Reinigung eines Materials, das ein Halbmetallelement oder ein Metallelement als Hauptkomponente enthält A process for the purification of a material containing a metalloid element or a metal element as a main component |
| 09/12/2012 | CN102121066B Process for reducing consumption of hydrochloric acid during chlorination distillation of germanium-containing raw material |
| 09/05/2012 | CN202420170U Integrated automatic zone melting furnace |
| 08/30/2012 | US20120217446 Crystal manufacturing |
| 08/22/2012 | CN202390513U Device for improving recovery rate of pyrometallurgy for germanium in brown coal |
| 08/15/2012 | CN102634659A Process for recycling gallium from gallium and germanium contained concentrate |
| 08/15/2012 | CN102181649B Method for recovering germanium from germanium extraction residues |
| 08/08/2012 | CN102628109A Complexing germanium depositing agent and application in germanium enriching in germanium-containing ore solution thereof |
| 08/08/2012 | CN101956079B Rare and noble metal recycling device |
| 08/01/2012 | CN102618721A Method for extracting germanium, indium and zinc from high iron, silicon and manganese materials containing germanium, indium and zinc |
| 08/01/2012 | CN102618719A Method for directly leaching zinc and recovering gallium, germanium and indium from zinc sulfide concentrate |
| 07/11/2012 | CN102560133A Method for extracting gallium and germanium from zinc smelting slag |
| 07/04/2012 | CN102534268A Production method of high-purity germanium dioxide |
| 07/04/2012 | CN102011007B Method for recycling germanium from germanium slag |
| 06/27/2012 | CN102071320B Solar cell germanium substrate slice processing liquid waste treatment process |
| 06/06/2012 | CN101831563B Method for gathering and recovering indium and germanium from indium and germanium containing material by using one-step method |
| 05/31/2012 | US20120132034 Process for producing refined metal or metalloid |
| 05/02/2012 | CN102433435A Extracting agent for extracting germanium and gallium and extraction method using same |
| 04/19/2012 | WO2012049361A1 Method for treating a solution containing zinc sulphate |
| 04/19/2012 | CA2812498A1 Method for treating a solution containing zinc sulphate |
| 03/28/2012 | CN102392144A Process method for recovering indium and germanium from germanium concentrate |
| 03/28/2012 | CN102392138A Technological method for comprehensively recovering valued metal such as indium and germanium from lead-zinc smoke |
| 03/21/2012 | CN102382994A Preparation method for radioactive 68Ge solution |
| 02/15/2012 | CN101263235B 通过用液体金属还原GeCl<sub>4</sub>生产Ge的方法 By reducing GeCl liquid metal <sub> 4 </ sub> Ge production methods |
| 02/08/2012 | CN102345021A Method for recovering germanium from germanium smoke dust by microwave pretreatment |
| 02/08/2012 | CN102345017A Method for recovering germanium from germanium oxide dust by carrying out alkali fusion under condition of microwave heating |
| 02/01/2012 | CN102337391A Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 12/14/2011 | CN102277504A 硬锌常压精馏提取锌、铟工艺 Hard zinc atmospheric distillation extraction of zinc, indium process |
| 12/14/2011 | CN101871047B 一种有机锗废液中锗的回收方法 An organic germanium germanium waste recycling process |
| 11/23/2011 | CN101967562B Method for recovering germanium from silicon-germanium alloy by wet method |
| 11/03/2011 | US20110268643 Production of Silicon |
| 11/02/2011 | CN101906542B Method for recovering germanium from flyash by wet process |
| 10/26/2011 | CN101760653B Method for recovering germanium from zinc dross |