| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 03/06/2013 | CN102952946A Method for removing fluorine in bastnaesite sulfuric acid leaching liquid by using zirconium-containing adsorbent |
| 03/06/2013 | CN101880782B Process for rare-earth smelting resource reclamation and cyclic production |
| 02/28/2013 | US20130047783 Integrated Spin Systems for the Separation and Recovery of Gold, Precious Metals, Rare Earths and Purification of Water |
| 02/27/2013 | CN102251098B Method for extracting rare noble metals |
| 02/20/2013 | CN102936665A Method for extracting rare earth elements |
| 02/20/2013 | CN102936664A Method for extracting rare earth elements and rare earth extraction system |
| 02/20/2013 | CN102936656A Method for removing fluorine in bastnaesite sulfuric acid leaching liquid by aluminiferous adsorbing agent |
| 02/19/2013 | US8377165 Recovery of elements from hydrothermal products |
| 02/14/2013 | WO2013022020A1 Method for recovering element and apparatus for recovering element |
| 02/13/2013 | CN102925721A Enrichment method for improving scandium grade |
| 02/13/2013 | CN102925681A Method for separating valuable components of monazite slags |
| 02/13/2013 | CN102925668A Method for leaching out scandium from niobium tailing dressing |
| 02/13/2013 | CN102268551B Method for producing mischmetal with aluminum oxide red mud |
| 02/07/2013 | WO2013018710A1 Method for recovering rare earth element |
| 02/07/2013 | WO2013016813A1 Process for recovering metals by reduction and carbonylation |
| 02/07/2013 | CA2843760A1 Process for recovering metals by reduction and carbonylation |
| 02/06/2013 | CN102912157A Method for extracting and separating light rare earth |
| 02/06/2013 | CN102912134A Neodymium, iron and boron waste recycling process with approximately zero wastewater discharge |
| 02/06/2013 | CN102912127A Local-stage aqueous-phase inner circulation device with box-type extraction tank |
| 02/06/2013 | CN102912117A Double-calcination process of sulfuric acid and rare earth concentrate rotary kiln calcination device |
| 02/06/2013 | CN102912112A Method for pre-processing neodymium iron boron wire cutting waste oil sludge |
| 01/30/2013 | CN102899500A Preparation method for producing electronic-grade rare earth red lead by using lead plaster of waste lead-acid storage battery |
| 01/30/2013 | CN102899488A Resource transforming method for separating rare earth from fluorine by utilizing rare earth ore concentrate hydrochloric leachate |
| 01/30/2013 | CN102899486A Method for leaching bastnaesite-containing rare-earth ore concentrates in complexing mode and preparing kryocide |
| 01/30/2013 | CN102899485A Method for extracting scandium from scandium-containing material by resin-in-pulp method |
| 01/30/2013 | CN102899479A Pretreatment method of oil sludge obtained after neodymium-iron-boron material grinding through machine tool |
| 01/30/2013 | CN102199681B Method for separating and enriching iron and rare earth in rare earth crude ore containing iron |
| 01/24/2013 | WO2013011901A1 Method for separating/collecting rare earth element, and apparatus for separating/collecting rare earth element |
| 01/24/2013 | WO2012082597A3 Process for metal recovery from catalyst waste |
| 01/23/2013 | CN102888514A Method for recycling rare earth cerium oxide from waste glass |
| 01/16/2013 | CN202675927U Ethanol condensing device for ester displacement in rare earth production |
| 01/16/2013 | CN202671624U Rare earth-extracted emulsion treatment separating device |
| 01/16/2013 | CN202671622U Re-extraction organic phase subcritical flow clarifying tank |
| 01/16/2013 | CN202671621U Alkaline hydrolysis tank for rare earth production |
| 01/16/2013 | CN202666842U Corrosion-resistant tank for producing rare earth |
| 01/16/2013 | CN202666484U Rare earth separating device |
| 01/16/2013 | CN102876894A Method for extracting and separating rare earth elements in hydrochloric acid system |
| 01/16/2013 | CN102876893A Method for extracting and separating rare earth elements in sulfuric acid system |
| 01/16/2013 | CN102876889A Method for extracting rare earth from rare-earth-contained apatite ores |
| 01/16/2013 | CN102251117B Method for extracting rare earth component from crystal waste slag |
| 01/10/2013 | WO2013005349A1 High-purity yttrium, process for producing high-purity yttrium, high-purity yttrium sputtering target, metal gate film deposited with high-purity yttrium sputtering target, and semiconductor element and device equipped with said metal gate film |
| 01/10/2013 | CA2840720A1 High-purity yttrium, process of producing high-purity yttrium, high-purity yttrium sputtering target, metal gate film deposited with high-purity yttrium sputtering target, and semiconductor element and device equipped with the metal gate film |
| 01/09/2013 | CN102864319A Method for leaching rare earth elements from nickel oxide ore |
| 01/03/2013 | WO2013002376A1 Process for producing decarbonized reclaimed material from r-fe-b permanent magnet alloy |
| 01/03/2013 | WO2013001661A1 High-purity erbium, sputtering target comprising high-purity erbium, metal gate film having high-purity erbium as main component thereof, and production method for high-purity erbium |
| 01/03/2013 | CA2840560A1 High-purity erbium, sputtering target comprising high-purity erbium, metal gate film having high-purity erbium as main component thereof, and production method for high-purity erbium |
| 01/02/2013 | CN102851501A Method for extracting and separating light rare earth element |
| 01/02/2013 | CN102847342A Method for separating aqueous phase and organic phase in extraction tank by mechanical stirring |
| 12/30/2012 | CA2846932A1 Process for producing rare metal |
| 12/30/2012 | CA2846930A1 Process for producing rare metal |
| 12/27/2012 | US20120328493 Method for extracting and separating light rare earth element |
| 12/27/2012 | US20120325052 Method and Device for Producing a Radionuclide |
| 12/27/2012 | CA2780545A1 Method for extracting and separating light rare earth element |
| 12/26/2012 | CN102230082B Method for recovering rare earth and niobium from rare metallic ores |
| 12/26/2012 | CN102071317B Composite extracting agent for extracting scandium from red mud hydrochloric acid leachate |
| 12/20/2012 | CA2839740A1 Methods of recovering rare earth elements |
| 12/19/2012 | CN202610298U Full-automatic high, intermediate and low temperature-controlled roasting system for decomposing rare earth concentrates with sulfuric acid |
| 12/19/2012 | CN102828030A Method for recycling rare earth elements in rare earth fluorescent powder waste by ultrasonic-submolten salt process |
| 12/19/2012 | CN102828026A Method for extracting and separating rare earth element by utilizing acidic extractant |
| 12/13/2012 | US20120315182 Preparation of R5X4 materials by carbothermic processing |
| 12/12/2012 | CN102822361A Efficient method for collection of platinum-group element from copper-iron scrap |
| 12/12/2012 | CN102816930A Method for gas phase precipitation of rare earth |
| 12/06/2012 | WO2012163200A1 Method for separating rare earth from phosphorus ore |
| 12/04/2012 | US8323592 Method and apparatus for recovery of rare earth element |
| 11/29/2012 | WO2012161216A1 Complex and uses thereof |
| 11/28/2012 | EP2527477A1 Efficient method for collection of platinum-group element from copper-iron scrap |
| 11/28/2012 | CN202558901U Water seal device with water retaining ring in mixing chamber of rare earth extraction tank body |
| 11/28/2012 | CN102796888A Process for extracting rare earth from phosphate concentrate |
| 11/28/2012 | CN102796876A Method for extracting scandium oxide from titanium slag chloride waste |
| 11/28/2012 | CN102796872A Method for recycling rare earths from cathode-ray tube fluorescent powder |
| 11/28/2012 | CN102796867A Method for removing impurities from ionic rare-earth ore |
| 11/28/2012 | CN101914679B Method for preparing lanthanum-enriched rare earth chloride from bastnaesite |
| 11/21/2012 | CN202543284U Automatic control system for rare earth precipitation process |
| 11/21/2012 | CN202543283U System for extracting EuCl3 rich solution |
| 11/21/2012 | CN202543282U Flow control equipment for thin rare earth chloride in rare earth |
| 11/21/2012 | CN202543280U Rare-earth extraction tank heating equipment |
| 11/21/2012 | CN202538452U Positive pressure filter device applied to rare-earth powder washing |
| 11/21/2012 | CN102787236A Ion-absorbing type rare earth in-situ mineral leaching mother liquor recovery process |
| 11/21/2012 | CN102041383B Method for online saponification and Ca<2+> removal of extracting agent used for rare earth separation |
| 11/15/2012 | WO2012152408A1 Method for obtaining metals and rare earth metals from scrap |
| 11/15/2012 | CA2835166A1 Method for obtaining metals and rare earth metals from scrap |
| 11/14/2012 | CN102776375A Method for recycling rare earths from waste neodymium-iron-boron material |
| 11/14/2012 | CN102776366A Process for decomposing waste rare earth luminescent materials by two times of acidolysis |
| 11/14/2012 | CN102277483B Method for preparing rare earth chloride by using Baiyunebo rare earth concentrate |
| 11/14/2012 | CN101824535B Process for gathering trace rare earth from phosphoric acid by using centrifugal extracting equipment |
| 11/08/2012 | WO2012149642A1 Processes for recovering rare earth elements from various ores |
| 11/08/2012 | CA2834151A1 Processes for recovering rare earth elements from various ores |
| 11/07/2012 | CN102766766A Non-saponification rare earth extraction separation process |
| 11/07/2012 | CN102181655B Multistage distillation crucible made of tantalum material and distillation process |
| 10/31/2012 | CN102758083A Method for transforming rare earth concentrated sulfuric acid roasted ores |
| 10/24/2012 | CN102747222A Composite ammonium salt leaching agent for preventing landslide in in-situ leaching of ion absorpt deposit |
| 10/24/2012 | CN102745742A Method for producing titanium-rich material by processing vanadium-titanium-containing blast furnace slag with titanium white waste acid |
| 10/18/2012 | WO2012140998A1 Method for recovering heavy rare earth element |
| 10/18/2012 | WO2012139484A1 Tantalum-material multilevel distillation crucible and distillation process |
| 10/17/2012 | CN102220488B Method for separating tombarthite from phosphorus ore |
| 10/11/2012 | WO2012137727A1 Method for separating and recovering rare earth elements |
| 10/11/2012 | WO2012137495A1 Method for recovering rare earth metals |
| 10/10/2012 | CN102719685A Separation and extraction technology for enriching thulium lutetium in thulium ytterbium lutetium reducing slag |
| 10/10/2012 | CN102719674A Method for extracting rare earth from oxidized neodymium iron boron waste |
| 10/09/2012 | US8282703 Rare earth recovery from phosphor material and associated method |