| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 07/06/2011 | CN102115822A Method for recovering rare earth oxide from fluorescent powder and polishing powder waste |
| 07/06/2011 | CN101353178B Process for recovering rare earth oxide, process for producing abrasive containing rare earth oxide and polishing method using abrasive |
| 06/30/2011 | WO2011077961A1 Substance for collection of metal, metal collection method using the substance, and metal separation/collection apparatus using the substance |
| 06/22/2011 | CN201873734U Rotating disc type continuous liquid adding device |
| 06/15/2011 | CN102094121A Method for preparing sulphate slag into metallic aluminum and rare metals by roasting |
| 06/15/2011 | CN102094116A Device and method for decomposing rare earth ore through sulfuric acid low-temperature dynamic roasting |
| 06/08/2011 | CN1511966B Ore dressing process for rare earth crude ore with high iron content |
| 06/08/2011 | CN101550494B Method for preparing rare earth metals |
| 06/03/2011 | WO2011065602A1 Method for extracting rare earth material from monazite |
| 05/25/2011 | CN102071317A Composite extracting agent for extracting scandium from red mud hydrochloric acid leachate |
| 05/25/2011 | CN102071316A Three-component separation method of multi-component rare earth |
| 05/18/2011 | CN102061392A Method for extracting scandium from modified red mud by using composite extractant |
| 05/18/2011 | CN101492771B Hingganite ore concentrate decomposition method |
| 05/11/2011 | CN102051477A Method for chemically separating bastnaesite and urdite from mixed rare earth concentrate |
| 05/11/2011 | CN101638731B Method for separating rare earth oxides from rare earth ore by using ammonium chloride-potassium chloride gas phase transmission |
| 05/04/2011 | CN102046820A Method and apparatus for collection of rare earth element |
| 05/04/2011 | CN102041384A Synergistic extraction separation method of rare-earth elements |
| 05/04/2011 | CN102041383A Method for online saponification and Ca<2+> removal of extracting agent used for rare earth separation |
| 05/04/2011 | CN101781719B Method for recovering rare earth from oil shale waste slag |
| 04/27/2011 | CN102031363A Multi-stage roasting method for rare earth ore concentrate and equipment thereof |
| 04/20/2011 | CN101451200B Rare-earth enrichment recovery method from phosphorite |
| 04/19/2011 | US7927391 Ceria based glass polishing composition and a process for the manufacture thereof |
| 04/13/2011 | CN201793680U Device for changing extraction liquid feeding mode |
| 04/13/2011 | CN102011020A Method for recovering rare earth elements from neodymium-iron-boron wastes |
| 04/13/2011 | CN102011010A Method for totally extracting vanadium, gallium and scandium by using titanium dioxide hydrolysis waste acid to leach steel slag containing vanadium |
| 04/13/2011 | CN101698495B Method for separating and purifying lanthanum oxide with strong acidic cation-exchange fiber column |
| 04/06/2011 | CN102002590A Application of cyclophane amide compound containing three central hydrogen bonds as extracting agent in separation of rare-earth elements |
| 04/06/2011 | CN101476033B Novel method for leaching, impurity removing and precipitating ion type rare earth ore |
| 03/31/2011 | WO2011008137A3 Method for extracting rare earth elements from phosphogypsum |
| 03/30/2011 | CN101994004A Process for extracting and separating rare-earth elements |
| 03/30/2011 | CN101709378B Method for depositing rare earth cerium (IV) |
| 03/16/2011 | CN201762414U Shock percolation device |
| 03/16/2011 | CN201762119U Device for recycling washing water of extraction production line |
| 03/16/2011 | CN101985694A Preparation method for recovering high-purity yttrium europium from fluorescent powder scrap |
| 03/16/2011 | CN101660049B Method for leaching cathode material of nickel-hydrogen used battery |
| 03/16/2011 | CN101586194B Leaching method for anode and cathode mixed materials of waste nickel-hydrogen battery |
| 03/16/2011 | CN101586191B Leaching method for cathode material of waste nickel-hydrogen battery |
| 03/09/2011 | CN101560612B Method for separating and recovering mixed vector dispersed supported liquid membrane of heavy rare earth metal |
| 03/03/2011 | WO2011024184A1 Dialkyldiaza-tetraalkyloctane diamide derivatives useful for the separation of trivalent actinides from lanthanides and process for the preparation thereof |
| 02/23/2011 | CN101979680A Method for removing aluminum from rare-earth feed liquid |
| 02/23/2011 | CN101979336A Method for simultaneously treating waste water and recovering rare earth of rare earth separation plant |
| 02/23/2011 | CN101979335A Process for recycling trace rare earth produced by treatment of waste residues and waste water of rare earth mine |
| 02/16/2011 | CN101974690A Process for recovering rare earth from waste water from rare earth mine exploitation by precipitation-extraction method |
| 02/16/2011 | CN101974686A Back extraction solution prepared by extraction separation of washing organic matter of saponification wastewater by recycling rare earth and solution washing method |
| 02/09/2011 | CN101967560A Method for preparing saponifier by recycled wastewater of rare earth carbonate precipitation |
| 02/09/2011 | CN101967559A Self recycling method of waste water in rare earth carbonate precipitation |
| 02/09/2011 | CN101967558A Method for preparing saponifier by directly recycling saponification wastewater produced by extraction and separation of rare earth |
| 02/09/2011 | CN101967557A Method for recycling carbonate rare-earth deposited wastewater to extraction and separation process for washing organic substances and preparing re-extraction solution and lotion |
| 02/09/2011 | CN101967555A Method for dipping and decomposing bastnaesite after activation |
| 02/03/2011 | WO2011012579A1 Increase in the separation factor between americium and curium and/or between lanthanides in a liquid-liquid extraction process |
| 02/03/2011 | US20110023660 Method and apparatus for recovery of rare earth element |
| 02/02/2011 | CN101748275B Preparation method of low-thorium lutetium oxide |
| 01/26/2011 | CN101956078A Method for separating and recycling rare-earth elements from molten salt electrolysis wastes of rare-earth metals |
| 01/20/2011 | WO2011008137A2 Method for extracting rare earth elements from phosphogypsum |
| 01/20/2011 | WO2011006974A1 Method for extracting at least one chemical element from a molten salt medium |
| 01/20/2011 | CA2765335A1 Method for extracting at least one chemical element from a molten salt medium |
| 01/05/2011 | CN201692689U Heating device for mixer settler |
| 01/05/2011 | CN101935762A Method for comprehensively recycling rare earth oxalate precipitate waste liquid |
| 01/05/2011 | CN101935756A Method for reclaiming rare-earth and organic phase from third phase of rare-earth extraction |
| 12/30/2010 | US20100326237 Composition of matter tailoring: system i |
| 12/29/2010 | CN101928829A Method for extracting and separating rare earth elements |
| 12/23/2010 | WO2010146876A1 Metal recovery method and device |
| 12/23/2010 | US20100319491 Method for extracting and separating rare earth elements |
| 12/22/2010 | EP2264196A1 Method for extracting and separating rare earth elements |
| 12/15/2010 | CN101914679A Method for preparing lanthanum-enriched rare earth chloride from bastnaesite |
| 12/08/2010 | CN101910431A Highly pure lanthanum, sputtering target comprising highly pure lanthanum, and metal gate film mainly composed of highly pure lanthanum |
| 12/08/2010 | CN101906536A On-site extraction, drainage and liquid collection process with auxiliary tunnels |
| 12/01/2010 | CN101899565A Process for decomposing Baotou rare earth ore concentrate and treating tail gas by medium-temperature reinforced roasting method |
| 11/25/2010 | US20100296963 Crystal structure of a plasma membrane proton pump |
| 11/24/2010 | CN201648485U Device for removing slag in return pipe of rare earth extraction tank body |
| 11/24/2010 | CN201648484U Rare-earth extraction tank body mixing chamber water seal device |
| 11/24/2010 | CN201648483U Escaping-liquid recovering device of rare-earth extraction and separation tank |
| 11/10/2010 | CN101880782A Process for rare-earth smelting resource reclamation and cyclic production |
| 11/10/2010 | CN101880053A Method for preparing oil-free rare earth carbonate |
| 11/10/2010 | CN101319275B Process for solvent extraction separation purification of rare earth element |
| 11/09/2010 | US7829044 For (back) extracting rare earth metal ions from aqueous solutions |
| 11/03/2010 | CN101876007A Method for separating rare earth sulfate solution by saponifiable extraction |
| 10/27/2010 | CN101870506A Technique for recycling rare earth from rare earth mining wastewater by resin adsorption method |
| 10/14/2010 | US20100260640 High Purity Ytterbium, Sputtering Target Made Thereof, Thin Film Containing the Same, and Method of Producing the Same |
| 10/13/2010 | CN101463426B Comprehensive utilization method for red mud |
| 09/15/2010 | CN101835914A High-purity ytterbium, sputtering target made of high-purity ytterbium, thin film containing high-purity ytterbium, and method for producing high-purity ytterbium |
| 09/15/2010 | CN101831543A Process for precipitating rare earth continuously |
| 09/08/2010 | CN101824554A Liquid alkali roasting decomposition extraction process of mixed rare earth concentrates |
| 09/08/2010 | CN101824553A Liquid alkali high-temperature roasting decomposition process of caustic soda liquid of mixed rare earth concentrates |
| 09/08/2010 | CN101824539A Wet metallurgy method for decomposing hard alloy |
| 09/08/2010 | CN101824537A Ultra-pure gadolinium oxide and electrochemical reduction fully-closed type extracting production process thereof |
| 09/08/2010 | CN101824536A Process for extracting rare-earth from sulfuric acid treating phosphorite process |
| 09/08/2010 | CN101824535A Process for gathering trace rare earth from phosphoric acid by using centrifugal extracting equipment |
| 09/08/2010 | CN101824531A Liquid alkali low-temperature roasting decomposition process of caustic soda liquid of mixed rare earth concentrates |
| 09/08/2010 | CN101403052B Novel process for solvent extraction decomposition of little cerium and rich lanthanum from fluorine-carbon-cerium rare earth mine |
| 09/02/2010 | WO2010098381A1 Method for recovering rare earth elements from re-tm-based mixture |
| 09/02/2010 | US20100221137 Hydrogen Storage Material with Intermediate Bond Strength and Process for Making the Same |
| 09/01/2010 | EP2224024A1 Highly pure lanthanum, sputtering target comprising highly pure lanthanum, and metal gate film mainly composed of highly pure lanthanum |
| 09/01/2010 | CN101392332B Cleaning production technique for directly transforming rare earth sulfate bake ore to extract rare earth |
| 09/01/2010 | CN101294244B Technique for extraction separation of quadravalence cerium, thorium, fluorine and cerium less tervalence rare earth from sulphuric acid rare earth solution |
| 08/25/2010 | CN101812589A Control method of rare earth extraction process based on ion characteristic color identification |
| 08/18/2010 | CN1872377B Method for saponifying extraction agent |
| 08/11/2010 | CN101403038B Endogenous heat type hemicontinuous reduction furnace for producing magnesium, calcium and strontium |
| 08/05/2010 | WO2010087227A1 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 |
| 07/28/2010 | CN101787451A Method for improving efficiency of acidic organophosphorus extractant for extraction separation of rare-earth elements |