| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 02/26/2014 | CN203451589U Automatic control device for flow of rare earth feed liquid |
| 02/26/2014 | CN203451301U Treatment and recycling device for acid-containing wastewater of raffinate in rare earth extracting process |
| 02/26/2014 | CN103602837A Method for collecting scandium oxide from anatase associated scandium mineral |
| 02/26/2014 | CN103602836A Crude rare earth metal purification method in solid phase |
| 02/26/2014 | CN103602812A Rare-earth organic extractant and back-extraction process thereof |
| 02/25/2014 | US8657917 Method for recycling metals from waste molybdic catalysts |
| 02/20/2014 | WO2014027950A1 Recovery of rare earth metals |
| 02/19/2014 | EP2698438A1 Tantalum-material multilevel distillation crucible and distillation process |
| 02/19/2014 | CN203440432U Laterite nickel ore processing system |
| 02/13/2014 | WO2014023464A1 Process and apparatus for winning at least one valuable metal oxide |
| 02/13/2014 | WO2014023092A1 Process for decomposing waste rare earth luminescent materials by two times of acidolysis |
| 02/12/2014 | CN103582711A Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 02/12/2014 | CN103572064A Method for enriching lead and recovering rare earth from rare earth lead slag |
| 02/12/2014 | CN103572058A Method for gathering rear-earth rear elements from sulfuric acid-process titanium white waste liquor and preparing white gypsum |
| 02/12/2014 | CN103570158A Method for recovering rare earth from rare earth production wastewater and implementing up-to-standard release of ammonia nitrogen |
| 02/12/2014 | CN102978406B Regeneration method for rhenium-containing high-temperature alloy scrap |
| 02/12/2014 | CN102787236B Ion-absorbing type rare earth in-situ mineral leaching mother liquor recovery process |
| 02/12/2014 | CN102560158B Transformation method for mixed rare earth concentrate and concentrated sulfuric acid low-temperature roasted ore |
| 02/06/2014 | WO2014021119A1 Method and apparatus for separating and recovering rare earth elements |
| 02/06/2014 | WO2014020626A1 Process for recovering rare earth metals |
| 02/06/2014 | US20140033868 Method For Extraction And Separation Of Lanthanoid Elements And Actinoid Elements, And Means For Extraction And Separation Of Lanthanoid Elements And Actinoid Elements |
| 02/06/2014 | DE102012213457A1 Recycling waste comprising rare earth elements, produced during manufacturing of detector modules, comprises treating waste by heating to first temperature, and recovering rare earth elements from residues obtained during heating of waste |
| 02/05/2014 | CN103561861A Complex and uses thereof |
| 02/05/2014 | CN103555954A Method for recovering rare earth elements from waste nickel-metal hydride batteries |
| 02/05/2014 | CN103555950A Recycling method of samarium cobalt magnetic waste material |
| 02/05/2014 | CN103555943A Mineral leaching process of bastnaesite |
| 02/05/2014 | CN103555939A Mineral leaching method and mineral leaching system for ionic rare earth mine |
| 02/05/2014 | CN103553958A Column [5] aromatic derivative modified by amido podand as well as preparation method and application thereof |
| 01/30/2014 | WO2014018421A1 Processes for the recovery of fluoride and silica products and phosphoric acid from wet-process phosphoric acid facilities and contaminated waste waters |
| 01/30/2014 | WO2014015973A1 Method for separating permanent magnets from a mixture of scrap |
| 01/29/2014 | CN103540756A Method for dissolving out rare-earth by treating waste neodymium-iron-boron materials |
| 01/29/2014 | CN103540752A Method for enriching scandium, titanium and vanadium from sulfuric acid method titanium dioxide waste acid, and for treating waste acid |
| 01/29/2014 | CN103540746A Method of separating lanthanum from rare earth nitrate slurry as well as rare earth ore concentrate separation method |
| 01/29/2014 | CN103540740A Clean separating method of Baotou rare-earth ore concentrate |
| 01/23/2014 | WO2014014380A1 Method for the acid treatment of red mud |
| 01/23/2014 | WO2014013929A1 Method for recovering rare earth from rare earth element-containing alloy |
| 01/23/2014 | US20140023571 Method of recovering rare earths from a solid mixture containing a halophosphate and a rare earth compound and solid mixtures suitable for this method |
| 01/22/2014 | EP2686458A1 Processes for recovering rare earth elements from aluminum-bearing materials |
| 01/22/2014 | CN103534368A Method for obtaining metals and rare earth metals from scrap |
| 01/22/2014 | CN103534367A Processes for recovering rare earth elements from aluminum-bearing materials |
| 01/22/2014 | CN103526058A Technique for preparing high-purity praseodymium from industrial praseodymium raw material |
| 01/22/2014 | CN103526057A Method of comprehensive recovery of rare precious metals in rare earth smelting slag |
| 01/22/2014 | CN103526056A Wet-method atmospheric oxidation method of cerium in rare earth hydroxides |
| 01/22/2014 | CN103526055A Process for grouping quasi-fractionated extraction of neodymium/samarium through bastnaesite |
| 01/22/2014 | CN103526054A Method for preparing rare earth ore concentrates by using low-grade light rare earth tailings |
| 01/22/2014 | CN103526014A Method for leaching weathering crust eluvial type rare earth ore with aluminum inhibition |
| 01/15/2014 | EP2684971A1 Apparatus and method for recovering rare earth metal from rare earth magnet |
| 01/15/2014 | CN103509952A Technology for recovering rare earth from permanent magnet waste of electronic waste |
| 01/15/2014 | CN103509944A Method for in-situ leaching of rare-earth ores from weathering crust elution-deposited rare earth ore |
| 01/15/2014 | CN103509943A Method for recovering rare earth from weathering crust elution-deposited rare earth ore residual liquid |
| 01/08/2014 | EP2682486A1 Cobalt extraction method |
| 01/03/2014 | WO2014000404A1 Process for recycling rare earths in permanent magnet scrap of electronic waste |
| 01/01/2014 | EP2679693A1 Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 01/01/2014 | EP2678457A1 Method for extraction and separation of lanthanoid elements and actinoid elements, and means for extraction and separation of lanthanoid elements and actinoid elements |
| 01/01/2014 | CN203373433U Device for electrolyzing and reducing europium |
| 01/01/2014 | CN103484695A Treatment method for comprehensively recovering valuable elements from laterite-nickel ore |
| 01/01/2014 | CN103484668A Weathering crust illuviation-type rare-earth ore leaching agent and method for extracting rare earths by using same |
| 01/01/2014 | CN102703682B Comprehensive recovery method of rare metal ore |
| 12/27/2013 | WO2013190879A1 Method for separating and refining scandium |
| 12/26/2013 | US20130343969 Particulate Materials for Uranium Extraction and Related Processes |
| 12/26/2013 | US20130340571 Dissolution and recovery of at least one element nb or ta and of at least one other element u or rare earth elements from ores and concentrates |
| 12/25/2013 | CN203355355U Water sealing device for rare earth acid solution extraction groove unit |
| 12/25/2013 | CN103468981A Rare earth liquid metering and conveying device for rare earth extraction tank |
| 12/25/2013 | CN103468980A Method for extracting scandium from lateritic nickel ore |
| 12/25/2013 | CN103468979A Method for recycling scandium from lateritic nickel ore smelted iron aluminum slag |
| 12/25/2013 | CN103468978A Method for extracting scandium from lateritic nickel ore sulfuric acid leaching solution |
| 12/25/2013 | CN103468972A Treatment method for comprehensive recycling of scandium and nickel cobalt from lateritic nickel ore |
| 12/25/2013 | CN103468950A Method for removing metal ion purity of rare earth aqueous solution extraction |
| 12/25/2013 | CN103468949A Treatment method for scandium-containing cobalt nickel hydroxide |
| 12/25/2013 | CN103468948A Method for comprehensive recycling of metals from scandium-containing cobalt nickel hydroxide |
| 12/25/2013 | CN103468946A Device for automatically controlling flow rate of rare-earth feed liquid |
| 12/25/2013 | CN103466821A Device for treating and recycling acid-containing wastewater of extraction raffinate in rare earth extraction process |
| 12/25/2013 | CN103466738A Method for removing ammonia nitrogen and recovering rare earth from low-concentration solution containing ammonium and rare earth |
| 12/25/2013 | CN103466679A Preparation method of high-purity yttrium oxide |
| 12/19/2013 | US20130336856 System and method for rare earths extraction |
| 12/18/2013 | CN103451442A Method for separating rare-earth resource from rear-earth slag by virtue of supergravity |
| 12/18/2013 | CN103451427A Heavy rare earth and light rare earth separation method and extraction agent |
| 12/18/2013 | CN103451425A Thorium element and rare earth element separation method and separation reagent |
| 12/11/2013 | CN103443305A Method for recovering heavy rare earth element |
| 12/11/2013 | CN103443304A Method for separating and recovering rare earth elements |
| 12/11/2013 | CN103436720A Process for leaching rare earth from ion-adsorption type rare earth ore without using ammonium salt |
| 12/11/2013 | CN103436719A Lutetium oxide recovered from cerium-doped lutetium aluminate scintillation crystal waste and recovery method |
| 12/11/2013 | CN103436718A High-purity lanthanum metal preparation method |
| 12/11/2013 | CN103436700A Method for extraction of scandium in titanium chloride smoke dusts and fused salt chloride residues by using compound extraction agent |
| 12/11/2013 | CN103436697A Rare-earth carbonate crystallizing and precipitating method for processing aluminum-containing rare-earth feed liquid |
| 12/11/2013 | CN102345022B Rare earth metal agglutinant |
| 12/11/2013 | CN102337405B Method for applying baotite mixed carbonate-rare earth precipitation wastewater in precipitation of europium (II) sulfate |
| 12/05/2013 | WO2013177729A1 Method for separating rare-earth by coupled recycling of materials |
| 12/04/2013 | CN203320079U Organic phase continuous saponification equipment in rare earth extraction process |
| 12/04/2013 | CN103421965A Technological method for rare earth fractional extraction and separation through adopting double feed inlets |
| 12/04/2013 | CN103418166A Method for adsorbing and separating low-concentration rare earth ions with oxidized graphene colloid |
| 12/04/2013 | CN102912117B Double-calcination process of sulfuric acid and rare earth concentrate rotary kiln calcination device |
| 11/27/2013 | EP2666877A1 Method for producing high-purity lanthanum, high-purity lanthanum, sputtering target formed from high-purity lanthanum, and metal gate film having high-purity lanthanum as main component |
| 11/27/2013 | CN103415631A Dissolution and recovery of at least one element nb or ta and of at least one other element u or rare earth elements from ores and concentrates |
| 11/27/2013 | CN103409650A Novel method for utilizing hydrogen plasma electric arc melting technology to prepare high-purity rare earth gadolinium elementary substance |
| 11/27/2013 | CN103409649A Method and device for reducing, extracting and separating rear earth through fused salt and liquid metal |
| 11/27/2013 | CN103408091A Recovery method of rare earth oxalate precipitation wastewater |
| 11/21/2013 | WO2013170370A1 Processes for recovering rare earth elements from various materials |
| 11/21/2013 | US20130309150 Rare earth recovery from phosphor |
| 11/20/2013 | CN103397213A Method for decomposing and extracting Baotou rare earth ore through mixed alkali roasting process |