| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 04/18/2012 | CN102417992A Purification method of thorium |
| 04/18/2012 | CN102417983A 无皂化萃取分离硫酸稀土的方法 No method of saponification extraction separation of rare earth sulphate |
| 04/18/2012 | CN101870506B 树脂吸附法从稀土矿山开采废水中回收稀土的工艺 Resin adsorption rare earth recycling process wastewater from rare earth mining |
| 04/11/2012 | EP2439293A1 Method for recovering lanthane from zeolites containing lanthane |
| 04/11/2012 | CN102409172A 一种分离四价铈或四价铈与氟的方法 An isolated tetravalent cerium or tetravalent cerium and fluorine methods |
| 04/11/2012 | CN102409164A 一种混合稀土矿防结块焙烧方法 A mixed rare earth ore roasting method of anti-caking |
| 04/04/2012 | CN102399999A 一种稀土与锶共伴生多金属矿综合回收工艺 Rare earth and strontium were associated polymetallic ore Comprehensive Recovery Technology |
| 04/04/2012 | CN102399983A 氟碳铈矿(氟碳铈镧矿)咯合分离法 Bastnaesite (bastnasite) slightly close separation |
| 04/04/2012 | CN102399982A 氟碳铈矿(氟碳铈镧矿)混合酸分离法 Bastnaesite (bastnasite) mixed acid separation |
| 04/04/2012 | CN102399975A 氟碳铈矿(氟碳铈镧矿)清洁化分离法 Bastnaesite (bastnasite) clean separation |
| 03/28/2012 | CN101979336B Method for simultaneously treating waste water and recovering rare earth of rare earth separation plant |
| 03/21/2012 | CN202170278U 一种稀土矿区流域小溪和河水污染处理装置 Rare earth mining basin creek and river pollution treatment equipment |
| 03/21/2012 | CN102382982A Method for separating rare earth ions by extraction of liquid-liquid-liquid three-phase system |
| 03/21/2012 | CN102382979A Technique for extracting rare earth from rare earth tailing and preparing calcium sulfate whiskers |
| 03/21/2012 | CN101935756B Method for reclaiming rare-earth and organic phase from third phase of rare-earth extraction |
| 03/21/2012 | CN101824537B Ultra-pure gadolinium oxide and electrochemical reduction fully-closed type extracting production process thereof |
| 03/21/2012 | CN101400607B Method of recovering rare earth element from composition containing rare earth fluoride |
| 02/23/2012 | US20120042748 PURIFICATION PROCESS FOR 153Gd PRODUCED IN NATURAL EUROPIUM TARGETS |
| 02/22/2012 | CN102362009A Metal recovery method and device |
| 02/15/2012 | CN102352448A Method for recovering rare earth from low-concentration rare earth solution through prussian blue colloidal nanoparticles |
| 02/09/2012 | WO2012016513A1 Liquid guiding and collection process with secondary channels for in situ leaching |
| 02/08/2012 | CN102345022A Terres rares metal agglutinant |
| 02/01/2012 | CN202131349U 一种镧热还原法生产稀土金属的装置 Lanthanum rare earth metal thermal reduction method of production means |
| 02/01/2012 | CN202131192U 一种稀土矿区流域河床淤泥污染处理装置 Rare earth mining basin riverbed silt pollution treatment equipment |
| 02/01/2012 | CN102337405A Method for applying baotite mixed carbonate-rare earth precipitation wastewater in precipitation of europium (II) sulfate |
| 02/01/2012 | CN102337404A Synthesis of rare earth metal extractant |
| 02/01/2012 | CN102337398A Technique for extracting and separating rare earth-iron resources from rare earth tailings |
| 01/26/2012 | WO2012011205A1 Method for separating nikel and cobalt from active materials contained in spent nickel-hydrogen battery |
| 01/18/2012 | CN102325911A Method for recovering rare earth elements from re-tm-based mixture |
| 01/18/2012 | CN102321800A Method for preparing praseodymium-neodymium oxide |
| 01/12/2012 | WO2012005183A1 Method for synthesizing rare earth metal extractant |
| 01/12/2012 | WO2012005182A1 Method for synthesizing rare earth metal extractant |
| 01/12/2012 | CA2804239A1 Method for synthesizing rare earth metal extractant |
| 01/12/2012 | CA2804237A1 Method for synthesizing rare earth metal extractant |
| 01/11/2012 | CN102312098A Method for separation and purification of fluorescent grade yttrium oxide and europium oxide from waste phosphor powder |
| 01/11/2012 | CN102312095A CRT (cathode ray tube) fluorescent powder processing method |
| 01/11/2012 | CN102312092A Synthesis of rare earth metal extractant |
| 01/11/2012 | CN102312090A Process for extracting scandium from ore containing scandium through pressure leaching |
| 01/11/2012 | CN102312089A Method for recovering rare earth from rare-earth-contained phosphorite |
| 01/11/2012 | CN101876007B Method for separating rare earth sulfate solution by saponifiable extraction |
| 01/05/2012 | CA2745229A1 Synthesis of rare earth metal extractant |
| 01/05/2012 | CA2745228A1 Synthesis of rare earth metal extractant |
| 01/04/2012 | CN102304628A Method for extracting rare earth from phosphate rock by utilizing liquid membrane |
| 01/04/2012 | CN101906536B On-site extraction, drainage and liquid collection process with auxiliary tunnels |
| 01/04/2012 | CN101880053B Method for preparing oil-free rare earth carbonate |
| 12/28/2011 | CN102301018A 高纯度铒的制造方法、高纯度铒、包含高纯度铒的溅射靶以及以高纯度铒为主要成分的金属栅膜 The method for producing high purity erbium, erbium high purity, containing erbium sputtering target of high purity and high purity erbium as a main component a metal gate film |
| 12/28/2011 | CN102296182A 一种由废稀土研磨材料回收稀土元素的方法 An abrasive material recovered from waste the rare earth rare earth element method |
| 12/14/2011 | CN102277498A 用氧化铝赤泥富集稀土的方法 Alumina red mud enriched rare earth approach |
| 12/14/2011 | CN102277493A 萃取稀土元素的方法及稀土萃取系统 The method of extraction of rare earth elements and rare earth extraction system |
| 12/14/2011 | CN102277484A 混合稀土精矿碱法冶炼工艺中磷酸钠、氟化钠的分离回收方法 Mixed rare earth concentrate smelting process of alkaline phosphate, sodium fluoride separation and recovery methods |
| 12/14/2011 | CN102277483A 白云鄂博稀土精矿制备氯化稀土的新方法 A new method for preparing the Bayan Obo rare earth concentrates of rare earth chloride |
| 12/14/2011 | CN101824536B 一种从硫酸处理磷矿过程中提取稀土的工艺 Extraction of rare earths from a sulfuric acid phosphate process |
| 12/14/2011 | CN101787450B 一种从稀有金属矿石中富集钽铌、稀土元素、铁和磷的方法 An enrichment of rare metals tantalum and niobium from the ore, rare earth elements, iron and phosphorus method |
| 12/14/2011 | CN101748279B AB<sub>5</sub>型稀土系储氢合金冶炼废渣回收利用的方法 AB <sub> 5 </ sub> type rare earth based hydrogen storage alloy smelting waste recycling methods |
| 12/08/2011 | US20110300017 Method for Manufacturing High-Purity Erbium, High-Purity Erbium, Sputtering Target Composed of High-Purity Erbium, and Metal Gate Film having High-Purity Erbium as Main Component |
| 12/07/2011 | CN202063980U 一种稀土平衡料连续进料生产装置 Rare earth material balance continuous feed production plant |
| 12/07/2011 | CN102268552A 用氧化铝赤泥制备氧化钪的方法 Alumina red mud preparation method of scandium oxide |
| 12/07/2011 | CN102268551A 用氧化铝赤泥生产混合稀土的方法 Alumina red mud mixed rare earth production methods |
| 11/23/2011 | EP2388344A1 Method for extracting and separating rare earth elements |
| 11/23/2011 | EP2388343A1 Method for extracting and separating rare earth elements |
| 11/23/2011 | CN102251117A Method for extracting rare earth component from crystal waste slag |
| 11/23/2011 | CN102251106A Method for decomposing rare earth concentrate in Baotou by alkaline process |
| 11/23/2011 | CN102251098A Method for extracting rare noble metals |
| 11/17/2011 | US20110277592 Separation method for carrier-free radiolanthanides |
| 11/16/2011 | CN102242270A Method for recovering rare earth from catalyst waste residues |
| 11/15/2011 | CA2730558C Separation process for platinum group elements |
| 11/03/2011 | WO2011135991A1 Valuable metal recovery method |
| 11/02/2011 | EP2383354A1 Method for manufacturing high-purity erbium, high-purity erbium, sputtering target composed of high-purity erbium, and metal gate film having high-purity erbium as main component |
| 11/02/2011 | CN102230093A Preparation method for separating and purifying single heavy rare earth by using full-extraction process |
| 11/02/2011 | CN102230089A Process for extracting metal ytterbium from thulium ytterbium lutetium-enriched material |
| 11/02/2011 | CN102230082A Method for recovering rare earth and niobium from rare metallic ores |
| 10/26/2011 | CN101787451B Method for improving efficiency of acidic organophosphorus extractant for extraction separation of rare-earth elements |
| 10/19/2011 | CN102220488A Method for separating tombarthite from phosphorus ore |
| 10/18/2011 | US8038764 Rhenium recovery from superalloys and associated methods |
| 10/13/2011 | WO2011126375A1 Extraction of elements from carbonate-containing minerals |
| 10/12/2011 | CN102212674A Process for comprehensively recovering liquid alkali roasting resource of mixed rare earth concentrate |
| 10/12/2011 | CN102211956A Utilization method of middle-low grade phosphate ore containing rare earth |
| 10/05/2011 | CN102206763A Method for producing rare earth carbonate without discharge of ammonia and nitrogen |
| 10/05/2011 | CN102206756A Method for comprehensively recycling rare earth nickel-metal hydride battery waste through direction reduction-slag-metal melting and separation |
| 10/05/2011 | CN102206755A Method for separating and recovering valuable elements from neodymium-iron-boron wastes |
| 09/28/2011 | CN201992981U Tantalum multilevel crucible for distillation |
| 09/28/2011 | CN102199681A Method for separating and enriching iron and rare earth in rare earth crude ore containing iron |
| 09/14/2011 | CN102181655A Multistage distillation crucible made of tantalum material and distillation process |
| 09/14/2011 | CN102181646A Comprehensive recycle and utilization method based on selective oxidation/ reduction rare earth nickel-metal hydride battery waste |
| 09/14/2011 | CN102181643A Method for extracting rare earth from rare earth tailings |
| 09/07/2011 | CN102173491A Process for comprehensively utilizing rare-earth ore leaching waste liquid and calcining waste heat in rare earth production |
| 08/31/2011 | CN201952468U 一种稀土分离用萃取剂的在线皂化装置 A rare earth separation device using an online saponification extraction solvent |
| 08/17/2011 | CN102154558A Method for recovering rare earth by segments from neodymium iron boron waste |
| 08/17/2011 | CN102154557A Method for recovering rare earth elements from waste neodymium iron boron leftover material |
| 08/17/2011 | CN102154553A Method for removing iron and aluminum by autoxidation of iron-based waste material containing high-value elements |
| 08/17/2011 | CN102154548A Device and method for migration by adopting carrier mixed dual-phase sheet type combined liquid film |
| 08/10/2011 | CN102146512A Hamartite smelting separation process |
| 08/03/2011 | CN101565776B Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 07/28/2011 | WO2011090102A1 Efficient method for collection of platinum-group element from copper-iron scrap |
| 07/27/2011 | CN102134645A Desiliconizing method of hydrochloric acid leaching liquor of red mud |
| 07/20/2011 | CN102127646A Method for reprocessing rare earth slag by acid composition |
| 07/20/2011 | CN102127642A Method for enriching rare-earth elements from red mud |
| 07/20/2011 | CN102127641A Method for recovering scandium and titanium in titanium white wastewater |
| 07/13/2011 | CN201894913U Stirring device for production of rare earth |
| 07/06/2011 | CN201890910U Rare earth ore coprecipitation settling device |