| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 07/04/2013 | US20130171047 Method for recycling of rare earth and zirconium oxide materials |
| 07/03/2013 | CN103184356A Treatment method for rare earth phosphate rock and enrichment method for rare earth |
| 07/03/2013 | CN103184343A Method for recovering rare earth, thorium and iron in waste residue of rare earth acid technological process |
| 07/03/2013 | CN103184332A Method for roasting, converting and resolving fluorocarbon cerium rare earth mine by adding covering agent to calcium compound |
| 06/26/2013 | CN103173617A Method for removing radium from south ionic rare earth leachate |
| 06/20/2013 | WO2013090817A1 Rare earth recovery from phosphor |
| 06/19/2013 | CN102352448B Method for recovering rare earth from low-concentration rare earth solution through prussian blue colloidal nanoparticles |
| 06/19/2013 | CN102337398B Technique for extracting and separating rare earth-iron resources from rare earth tailings |
| 06/19/2013 | CN102211956B Utilization method of middle-low grade phosphate ore containing rare earth |
| 06/19/2013 | CN102146512B Hamartite smelting separation process |
| 06/19/2013 | CN101319276B Preextraction method for organic extraction agent, product and uses thereof |
| 06/13/2013 | WO2013086288A2 Method for recycling of rare earth and zirconium oxide materials |
| 06/13/2013 | WO2013085052A1 Rare earth element recovery method |
| 06/13/2013 | CA2857263A1 Rare earth element recovery method |
| 06/12/2013 | EP2602426A1 Liquid guiding and collection process with secondary channels for in situ leaching |
| 06/12/2013 | CN103146925A Method of recycling rear earth from neodymium iron boron waste |
| 06/12/2013 | CN103146921A Method for removing aluminum in rare-earth solution |
| 06/12/2013 | CN102417992B Purification method of thorium |
| 06/12/2013 | CN101824554B Liquid alkali roasting decomposition extraction process of mixed rare earth concentrates |
| 06/06/2013 | WO2013080066A1 Method for the material recycling of catalysts containing iron, cerium, molybdenum, and potassium |
| 06/06/2013 | WO2013079804A1 Method for processing ash, particularly fly ash |
| 06/06/2013 | CA2855899A1 Method for processing ash, particularly fly ash |
| 06/05/2013 | CN103131875A Preparation process for extracting high-purity rare earth oxides from waste rare earth luminescent materials |
| 06/05/2013 | CN103131874A Method recovering rare earth from precise instrument waste glass materials |
| 06/05/2013 | CN103131862A Pretreatment decomposition method for extracting high-purity rare earth oxide from phosphor powder waste material |
| 06/05/2013 | CN103131854A Method for comprehensively recovering scandium and titanium by leaching red mud with titanium white waste acid |
| 06/05/2013 | CN102312089B Method for recovering rare earth from rare-earth-contained phosphorite |
| 05/29/2013 | EP2597164A1 Method for separating nikel and cobalt from active materials contained in spent nickel-hydrogen battery |
| 05/29/2013 | CN103122410A Method for extracting and grouping-separating light, middle and heavy rare earth elements in multi-rare earth complex solution |
| 05/29/2013 | CN103122408A Method and device for extracting and separating praseodymium and neodymium |
| 05/29/2013 | CN102643985B Method for extracting valuable metals from high-iron bauxite with step-by-step acid leaching |
| 05/23/2013 | WO2013073376A1 Method for recovering rare earth element |
| 05/22/2013 | CN202948332U Automatic rare earth flow control device |
| 05/22/2013 | CN202945303U Isolation stirring device of rare earth extraction mixing clarifying tank |
| 05/22/2013 | CN202945299U Novel rare-earth settling tank |
| 05/22/2013 | CN202945298U Novel extraction box |
| 05/22/2013 | CN202942680U Heating device of mixer-settler |
| 05/22/2013 | CN103111363A Deep reduction comprehensive utilization method of iron ore containing rare earths |
| 05/16/2013 | WO2013069562A1 Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 05/16/2013 | CA2827635A1 Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 05/15/2013 | EP2592068A1 Method for synthesizing rare earth metal extractant |
| 05/15/2013 | EP2592067A1 Method for synthesizing rare earth metal extractant |
| 05/15/2013 | CN103103361A Method for preparing rare earth oxide from rare earth polishing powder waste |
| 05/15/2013 | CN103103351A Method for preparing high-purity calcium carbonate for saponifying rare earth extraction agent |
| 05/15/2013 | CN103103350A Method for decomposing rare earth ore concentrate at low temperature through alkaline process |
| 05/15/2013 | CN103103349A Method for decomposing bayan obo rare earth ore concentrate by acid and alkali combination at low temperature |
| 05/10/2013 | WO2013064944A1 Process for reprocessing spent catalysts |
| 05/09/2013 | US20130112043 Method for separating nickel and cobalt from active material contained in spent nickel-metal hydride battery |
| 05/02/2013 | WO2013060689A1 Method for treating phosphate rock |
| 05/02/2013 | US20130109563 Preparing cerium(iii) compounds |
| 05/02/2013 | US20130108526 Method for materials recovery from catalysts comprising iron, cerium, molybdenum, and potassium |
| 05/02/2013 | CA2852131A1 Method for treating phosphate rock |
| 05/01/2013 | CN103074505A Process for continuously extracting and separating rare earth |
| 05/01/2013 | CN103074504A Electrical heating internal resistance electric melting method for decomposing mixed rare earth ore concentrate and electric heating decomposer thereof |
| 05/01/2013 | CN102517463B Organic recovery method in extraction and separation line |
| 04/24/2013 | CN202902836U Smelting flame fusion furnace |
| 04/24/2013 | CN202892971U Same-level water-phase internal circulation device for box type extraction groove |
| 04/24/2013 | CN103068793A Method for synthesizing rare earth metal extractant |
| 04/24/2013 | CN103068792A Method for synthesizing rare earth metal extractant |
| 04/24/2013 | CN103060581A Method for extracting and recycling scandium in waste acid in titanium white production |
| 04/24/2013 | CN103060580A Method for separating titanium, scandium and zirconium in scandium extraction with titanium white waste acid |
| 04/24/2013 | CN103060560A Extracting agent for separating heavy rare earth element |
| 04/24/2013 | CN103060558A Rare earth extracting system |
| 04/24/2013 | CN103060557A Method for extracting rare earth element |
| 04/23/2013 | US8425654 Purification process for 153Gd produced in natural europium targets |
| 04/18/2013 | US20130091989 Method for recovering rare earth, vanadium and nickel |
| 04/17/2013 | CN103045865A Method for processing organic extraction agent for rare earth extraction |
| 04/17/2013 | CN103045851A Technique for decomposing Baotou rare-earth ores |
| 04/17/2013 | CN102312095B CRT (cathode ray tube) fluorescent powder processing method |
| 04/10/2013 | CN202869208U Device capable of improving oxygenation efficiency for neodymium iron boron oxidation materials |
| 04/10/2013 | CN103031441A Recycling method for metallic elements in waste nickel-hydrogen batteries |
| 04/10/2013 | CN103031438A Recovery process for rare earth and noble metal in automobile tail gas purification catalyst |
| 04/10/2013 | CN102321800B Method for preparing praseodymium-neodymium oxide |
| 04/10/2013 | CN102268552B Method for preparing scandium oxide by using alumina red mud |
| 04/04/2013 | WO2013044376A1 Method and system for magnetic separation of rare earths |
| 04/03/2013 | CN202849519U Rare earth extraction separation control device |
| 04/03/2013 | CN202849513U Extraction device for extracting scandium from red mud |
| 04/03/2013 | CN202849510U Rare earth oxalate sedimentation device |
| 04/03/2013 | CN103014359A Separation and recovery method of monazite slag |
| 04/03/2013 | CN103014358A Treatment method of tailings after separation and recovery of monazite slag |
| 04/03/2013 | CN103014334A Method for replacement dissolution of bastnaesite (bastnasite) |
| 04/03/2013 | CN103014333A Separation and recovery method of uranium, thorium and rare earth in monazite slag |
| 04/03/2013 | CN102382979B Technique for extracting rare earth from rare earth tailing and preparing calcium sulfate whiskers |
| 03/28/2013 | WO2013042340A1 Method for metal recovery or removal and method for producing lipids or pigment |
| 03/27/2013 | CN102994756A Method for enriching rare earth elements from red mud |
| 03/27/2013 | CN102994755A Method for recovering ionic rare earth element from red mud |
| 03/27/2013 | CN102994750A Rare earth saponification method of acidic complex extraction organic phase |
| 03/20/2013 | CN102978406A Regeneration method for rhenium-containing high-temperature alloy scrap |
| 03/20/2013 | CN102978401A Method for recovering rare earth and other metals from neodymium iron boron and samarium cobalt magnetic material waste |
| 03/20/2013 | CN102978399A Method for producing low chloride fine particle high purity rare earth compound through ultrasonic-assisted oxalate deposition |
| 03/20/2013 | CN102978398A Method for obviously lowering chlorine content in process of carbonic acid rare earth crystallization |
| 03/20/2013 | CN102978392A Microwave-assisted low-temperature acid pickling method of rare-earth ore concentrate |
| 03/20/2013 | CN102978379A Leaching method of associated rare earth elements of coal measure strata |
| 03/20/2013 | CN102976527A Method for obtaining scandium-rich material from acidic wastewater of titanium dioxide environment-friendly workshop |
| 03/20/2013 | CN102976525A Method for treating and recycling rare earth oxalate precipitation mother solution |
| 03/13/2013 | CN202786367U Rare earth ore dissolving device |
| 03/13/2013 | CN102965506A Method for removing aluminum from rare earth solution by benzoate precipitation method |
| 03/06/2013 | CN102959105A Substance for collection of metal, metal collection method using the substance, and metal separation/collection apparatus using the substance |
| 03/06/2013 | CN102959102A Method for separating nikel and cobalt from active materials contained in spent nickel-hydrogen battery |
| 03/06/2013 | CN102952948A Separation and purification method of rare earth metals in phosphor powder |