| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 11/20/2013 | CN103397212A Membrane technology-based ionic rare earth ore extraction technology and device therefor |
| 11/20/2013 | CN103397211A Rapid method for destroying structure of cathode-ray tube phosphor waste material |
| 11/20/2013 | CN103397183A Extraction method for rare-earth oxide from ionic adsorption type rare earth ore |
| 11/20/2013 | CN102976525B Method for treating and recycling rare earth oxalate precipitation mother solution |
| 11/20/2013 | CN102676853B Rare earth separation method with material linkage cyclic utilization function |
| 11/14/2013 | WO2013166781A1 Method for recovering rare earth from waste rare-earth-containing light-emitting material |
| 11/13/2013 | EP2661513A1 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 |
| 11/13/2013 | CN103392018A Method for extraction and separation of lanthanoid elements and actinoid elements, and means for extraction and separation of lanthanoid elements and actinoid elements |
| 11/13/2013 | CN102912127B Local-stage aqueous-phase inner circulation device with box-type extraction tank |
| 11/07/2013 | WO2013163711A1 System and method for rare earths extraction |
| 11/06/2013 | CN103382532A Comprehensive utilization method for extraction separation of dolomite in rare earth |
| 11/06/2013 | CN102936665B Method for extracting rare earth elements |
| 11/06/2013 | CN102676811B Method and system for extracting EuCl3-rich solution |
| 10/31/2013 | US20130287653 Recovery of Rare Earth Elements and Compounds from Coal Ash |
| 10/31/2013 | US20130283978 Composition for collecting metal component |
| 10/31/2013 | US20130283977 Process for extraction of rare earth elements |
| 10/30/2013 | EP2655679A1 Rare earth recovery from phosphor material and associated method |
| 10/30/2013 | CN103374652A Method for comprehensively recycling rare earth and fluorine in process of treating bastnaesite |
| 10/23/2013 | CN203247155U Rare earth waste water reclamation and treatment device |
| 10/23/2013 | CN103361499A Method for recovering rare earth elements from spent automobile catalyst |
| 10/23/2013 | CN103361498A Method for separating impurities from rare earth in rare-earth-ore leaching solution to purify rare earth |
| 10/23/2013 | CN103361488A Recycling method of scandium in titanium white waste water |
| 10/23/2013 | CN103361486A Method for extracting high purity scandium oxide and titanium from waste acid solution containing scandium and titanium |
| 10/23/2013 | CN102912157B Method for extracting and separating light rare earth |
| 10/23/2013 | CN102453800B Method for recovering rare earth elements from waste catalytic cracking catalyst containing rare earth elements |
| 10/23/2013 | CN102031363B Multi-stage roasting method for rare earth ore concentrate and equipment thereof |
| 10/23/2013 | CN101768674B Method for acquiring raw material for producing rare earth from phosphorus and rare earth paragenetic phosphate ore |
| 10/23/2013 | CN101705380B Method for recovering rare earth from rare earth-containing aluminum-silicon materials |
| 10/17/2013 | WO2013152423A1 Process for extraction of rare earth elements |
| 10/17/2013 | DE112011104468T5 Seltenerd-Rückgewinnung aus Leuchtstoffmaterial und dazugehöriges Verfahren Rare earth recovery of phosphor material and associated method |
| 10/16/2013 | CN103352131A Method for scandium concentration from complex high-acidity scandium contained solution |
| 10/16/2013 | CN103352130A Scandium combined extraction method from red mud and titanium dioxide waste liquid |
| 10/16/2013 | CN102382982B Method for separating rare earth ions by extraction of liquid-liquid-liquid three-phase system |
| 10/10/2013 | US20130263699 Magnet Recycling |
| 10/09/2013 | EP2646584A1 Magnet recycling |
| 10/09/2013 | CN103343245A Method for removing impurity aluminum in rare earth solution by neutralization-magnetic flocculation-magnetic separation |
| 10/09/2013 | CN103343234A Method for preparing neodymium and iron oxides by using neodymium iron boron oil sludge through regeneration and co-precipitation |
| 10/08/2013 | US8551396 Hydrogen storage material with intermediate bond strength and process for making the same |
| 10/03/2013 | WO2013146472A1 Method for rare-earth element recovery |
| 10/03/2013 | WO2013145455A1 Method for recovering rare-earth element |
| 10/03/2013 | WO2013143271A1 Method for extracting and separating rare-earth element |
| 10/02/2013 | CN203222609U Rare-earth liquid feeding pressure stabilizing device |
| 09/26/2013 | WO2013138900A1 Processes for recovering rare earth elements and rare metals |
| 09/25/2013 | EP2641982A1 Production method for high-purity lanthanum, high-purity lanthanum, sputtering target composed of high-purity lanthanum, and metal gate film containing high-purity lanthanum as main component |
| 09/25/2013 | CN203212617U Automatic early warning device for rare earth extraction slot body |
| 09/25/2013 | CN103328663A 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 |
| 09/25/2013 | CN103320629A Method for extracting cerium (IV) from sulfur phosphorus mixed acid system and preparing cerous phosphate nano material |
| 09/25/2013 | CN103320608A Separation and recovery method of rare earth and apparatus employing the method |
| 09/25/2013 | CN102605198B Decomposition method of bastnaesite |
| 09/19/2013 | WO2013136941A1 Scandium extraction method |
| 09/19/2013 | CA2837834A1 Scandium extraction method |
| 09/18/2013 | CN103305708A Method for separating scandium from thorium in organic phase by means of back extraction |
| 09/18/2013 | CN103305697A Recovering and reutilizing method of waste residues and waste liquid of rare earth polishing powder |
| 09/18/2013 | CN102471829B Method for extracting at least one chemical element from a molten salt medium |
| 09/11/2013 | EP2636760A1 Capsule for non-ferrous metal collection and method for collecting non-ferrous metal |
| 09/11/2013 | CN203187728U Buffer mechanism in extraction technology |
| 09/11/2013 | CN203183751U Material liquid buffering device |
| 09/11/2013 | CN103298958A Capsule for non-ferrous metal collection and method for collecting non-ferrous metal |
| 09/11/2013 | CN103290235A Comprehensive utilization process of strontium-containing rare-earth ore |
| 09/11/2013 | CN103290224A Recovery process for valuable metals in tungsten residues |
| 09/11/2013 | CN103290209A Rare earth extraction tank heating equipment and heating method |
| 09/11/2013 | CN103288248A Combined treatment method for rear earth smelting/separating wastewater |
| 09/11/2013 | CN102639729B Method for extracting rare earth elements from phosphogypsum |
| 09/04/2013 | CN102618736B Extraction separation method of rare-earth element |
| 08/28/2013 | CN103270181A 磁体再循环 Magnet recirculation |
| 08/28/2013 | CN103266224A Ion-adsorption-type rare earth extracting method |
| 08/28/2013 | CN103265568A Cucurbit [8]urils-rare earth metal supramolecular polymer as well as synthetic method and application thereof |
| 08/28/2013 | CN102206756B Method for comprehensively recycling rare earth nickel-metal hydride battery waste through direction reduction-slag-metal melting and separation |
| 08/21/2013 | CN203144495U Fluorescent powder waste pre-treatment decomposer |
| 08/21/2013 | CN203144494U Fluorescent powder waste acidolysis device |
| 08/21/2013 | CN203144493U Efficient oxidation roasting kiln for recycling fluorescent powder waste |
| 08/21/2013 | CN103261457A Rare earth recovery from phosphor material and associated method |
| 08/21/2013 | CN103255301A Leaching method of weathered crust illuviation type ion rare earth ore |
| 08/21/2013 | CN102796888B Process for extracting rare earth from phosphate concentrate |
| 08/21/2013 | CN102206755B Method for separating and recovering valuable elements from neodymium-iron-boron wastes |
| 08/14/2013 | CN103243226A Method for preparing rare earth concentrate from low-grade light rare earth tailings |
| 08/14/2013 | CN103243220A Treatment method of fused salt chlorination slag |
| 08/14/2013 | CN103243219A Method for removing aluminum impurity from rare earth solution by utilizing neutralization-flocculation method |
| 08/14/2013 | CN102312098B Method for separation and purification of fluorescent grade yttrium oxide and europium oxide from waste phosphor powder |
| 08/07/2013 | CN203116496U Material airtight transfer device used for rotary kilns in multistage series connection |
| 08/07/2013 | CN203112896U Material mixing and feeding device for rare earth ore concentrate baking |
| 08/07/2013 | CN103233134A Recycling method of organic phase used for extracting scandium |
| 08/07/2013 | CN103233123A Integrated recovery method of waste and old rare earth capacitance battery |
| 07/31/2013 | CN203096143U Feed liquid selective high-efficiency iron removing device |
| 07/31/2013 | CN203096140U Special iron removal device for dysprosium product liquid |
| 07/31/2013 | CN103225023A Method for leaching and recovering rare earth element from rare earth slag |
| 07/31/2013 | CN103224248A Method of preparing rare earth carbonate and recycling materials thereof |
| 07/24/2013 | CN103221560A Production method for high-purity lanthanum, high-purity lanthanum, sputtering target composed of high-purity lanthanum, and metal gate film containing high-purity lanthanum as main component |
| 07/24/2013 | CN103215463A Method for decomposing bastnaesite through calcification transformation-leaching |
| 07/24/2013 | CN103215451A Recovery method of rare earth elements in ionic rare earth smelting acid dissolution slag |
| 07/24/2013 | CN103215448A Method for extracting scandium from scandium-containing iron-rich acid liquor through P507 |
| 07/24/2013 | CN103215447A Method for extracting scandium from scandium-enriched ferrous acid solution by using P204 |
| 07/24/2013 | CN103215439A Method for extracting scandium from scandium enrichment |
| 07/17/2013 | CN203065540U Electrothermal decomposition tank for decomposing mixed rare-earth concentrate by using electric-heating internal heating method |
| 07/17/2013 | CN103203120A Liquid-liquid Extraction Unit, Multistage Extraction Apparatus, And Multistage Continuous Extraction System |
| 07/16/2013 | US8486354 Method for extracting rare earth material from monazite |
| 07/11/2013 | WO2013103099A1 Method for separating and recovering rare-earth element |
| 07/10/2013 | CN103194627A Method for removing aluminum in rare earth solution |
| 07/10/2013 | CN103194626A Separating and recycling method of rare earth elements |
| 07/10/2013 | CN102046820B Method and apparatus for collection of rare earth element |