| Patents for C22B 59 - Obtaining rare earth metals (1,691) |
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| 07/28/2010 | CN101787450A Method for enriching tantalum and niobium, rare earth element, iron and phosphorus from rare metal ores |
| 07/27/2010 | US7763684 star polymers comprising polyamines having terminal carbamylmethyl phosphine oxide groups, used for extracting metals from aqueous effluents coming from spent nuclear fuel reprocessing plants or spent nuclear fuel dissolution solutions |
| 07/21/2010 | CN101781719A Method for recovering rare earth from oil shale waste slag |
| 07/21/2010 | CN101781706A Process for separating rare-earth element by extraction |
| 07/14/2010 | CN101260466B Pretreatment method for organic extracting agent and application thereof |
| 07/07/2010 | EP2204461A1 High-purity ytterbium, sputtering target made of high-purity ytterbium, thin film containing high-purity ytterbium, and method for producing high-purity ytterbium |
| 07/07/2010 | CN101768674A Method for acquiring raw material for producing rare earth from phosphorus and rare earth paragenetic phosphate ore |
| 06/23/2010 | CN101748279A Method for recycling smelting slag of AB5 type rare earth-based hydrogen storage alloy |
| 06/23/2010 | CN101748275A Preparation method of low-thorium lutetium oxide |
| 06/02/2010 | CN101717859A Method for recovering rare earth from wastes of neodymium iron boron |
| 06/02/2010 | CN101186969B Method for separating rare earth, iron, copper, cobalt and tungsten from alloy |
| 05/26/2010 | CN1653198B Method for separating platinum group element |
| 05/19/2010 | CN101709392A Process method for extracting and separating rear earth without saponification |
| 05/19/2010 | CN101709378A Method for depositing rare earth cerium (IV) |
| 05/12/2010 | CN101705380A Method for recovering rare earth from rare earth-containing aluminum-silicon materials |
| 04/28/2010 | CN101698495A Method for separating and purifying lanthanum oxide with strong acidic cation-exchange fiber column |
| 04/21/2010 | CN101696467A Method for saponifying organic extracting agent |
| 02/03/2010 | CN101638731A Method for separating rare earth oxides from rare earth ore by using ammonium chloride-potassium chloride gas phase transmission |
| 02/03/2010 | CN100587090C Comprehensive utilization technique for hamartite and celestite symbiosis ore |
| 01/27/2010 | CN101633984A Production process of high-purity gadolinium oxide by acidic phosphorus type extracting agent |
| 01/27/2010 | CN100584970C Hybrid extraction method and extractant for extraction separation of rare earth elements |
| 01/27/2010 | CN100584969C Technique for extraction separation of quadravalence cerium, thorium and cerium less tervalence rare earth from sulphuric acid rare earth solution |
| 01/27/2010 | CN100584967C Method for separating highly-pure rare-earth oxide from rare earth mine for reinforced baking by sulfuric acid |
| 01/20/2010 | CN201386130Y Automatic control device for rare earth extraction separation production |
| 01/13/2010 | CN100580438C Magnetic resonance imaging scanner |
| 01/06/2010 | CN100577830C Process for recovering rare earth element in waste florescent lamps |
| 12/30/2009 | CN100575508C Method for separating highly-pure rare-earth oxide from yttrium-rich rare earth mine |
| 12/22/2009 | US7635421 Electrolytic processing of the substance in the electrolytic vessel is carried out such that a pair of the cathode and one of the anodes is used for main electrolysis and a pair of the cathode and the other anode is used for auxiliary electrolysis; recycling of spent nuclear fuels on commercial scale |
| 12/15/2009 | CA2311171C Process for preparing metal powders, metal powders thus prepared, and compacts containing said powders |
| 12/09/2009 | CN101597688A Method for recovering rare earth from phosphogypsum |
| 12/09/2009 | CN101597687A Method for converting sulphuric-acid rare earth crystallized from phosphogypsum leaching liquid into rare-earth chloride |
| 11/25/2009 | CN101586194A Leaching method for anode and cathode mixed materials of waste nickel-hydrogen battery |
| 11/25/2009 | CN101586191A Leaching method for cathode material of waste nickel-hydrogen battery |
| 11/05/2009 | US20090272230 Recovery of Rare Earth Elements |
| 11/02/2009 | CA2631190A1 Recovery of rare earth elements |
| 10/28/2009 | CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 10/21/2009 | EP2109691A1 Metallothermic reduction of in-situ generated titanium chloride |
| 10/21/2009 | CN101560612A Method for separating and recovering mixed vector dispersed supported liquid membrane of heavy rare earth metal |
| 10/14/2009 | CN100549193C Method for extracting metal scandium and titanium from red mud |
| 10/07/2009 | CN101550494A Method for preparing rare earth metals |
| 10/01/2009 | WO2009119720A1 Method and apparatus for collection of rare earth element |
| 08/26/2009 | CN100532595C Method for decomposing hamartite |
| 08/19/2009 | EP1496063B1 Extraction process for rare earth metal ions using a phosphonamide compound |
| 08/19/2009 | CN100529123C Method of acidic extractant complexing extraction separation rare-earth element |
| 08/13/2009 | US20090202386 Alloys, Bulk Metallic Glass, And Methods Of Forming The Same |
| 07/09/2009 | WO2009084318A1 Highly pure lanthanum, sputtering target comprising highly pure lanthanum, and metal gate film mainly composed of highly pure lanthanum |
| 06/30/2009 | US7554098 can be deployed to patient care facilities for regional, local, or on-site and on-demand production of adequately pure Yttrium-90; generator column comprise a 90Sr stock adsorbed on a sorbent; milking solution elutes 90Y from the column; concentration column sorbent captures y90 from milking solution |
| 06/10/2009 | CN101451200A Rare-earth enrichment recovery method from phosphorite |
| 05/27/2009 | CN101440430A Method for recycling rare earth from phosphogypsum leaching solution by fluoride precipitation method |
| 05/06/2009 | CN100485056C Zinc powder reduction process of preparing europium-enriched solution |
| 04/30/2009 | WO2009054217A1 High-purity ytterbium, sputtering target made of high-purity ytterbium, thin film containing high-purity ytterbium, and method for producing high-purity ytterbium |
| 04/08/2009 | CN101403052A Novel process for solvent extraction decomposition of little cerium and rich lanthanum from fluorine-carbon-cerium rare earth mine |
| 04/08/2009 | CN101403038A Endogenous heat type hemicontinuous reduction furnace forproducing magnesium, calcium and strontium |
| 04/01/2009 | CN101400607A Method of recovering rare earth element from composition containing rare earth fluoride |
| 03/25/2009 | EP1817437B1 Method of extracting europium(iii) and yttrium(iii) from concentrate of luminophore dust or sludge |
| 03/25/2009 | CN101392332A Cleaning production technique for directly transforming rare earth sulfate bake ore to extract rare earth |
| 03/25/2009 | CN101392323A Method and device for continuously preparing acidic phosphor/phosphine extractant rare earth soap by lime milk |
| 03/25/2009 | CN100471963C Ultrasonic leaching-extracting separation method for sulphating roasting rare earth mine |
| 03/18/2009 | CN101386909A Method for extracting rare-earth from ardealite |
| 02/19/2009 | WO2009021389A1 A PROCESS OF SMELTING MONAZITE RARE EARTH ORE RICH IN Fe |
| 01/28/2009 | CN101353178A Process for recovering rare earth oxide, process for producing abrasive containing rare earth oxide and polishing method using abrasive |
| 01/20/2009 | US7479262 Method for separating platinum group element |
| 01/14/2009 | CN101343690A Separation of cerium and non-cerium rare earth, method of manufacturing cerium based relief polishing powder |
| 01/14/2009 | CN100451140C Self protection process for preparing fluorescent grade europium oxide extractor by reducing extracting method |
| 01/14/2009 | CN100451138C Method for preparing ultra-thin highly-pure europium oxide by europium-rich sulfuric acid rare earth |
| 01/07/2009 | CN100449240C Method and device for melting rare earth magnet scrap and primary molten alloy of rare earth magnet |
| 12/31/2008 | EP1577408B1 Method for separating platinum group elements from selenum/tellurium bearing materials |
| 12/11/2008 | US20080306251 Rare-earth amidate coordination compounds |
| 12/10/2008 | CN101319276A Preextraction method for organic extraction agent, product and uses thereof |
| 12/10/2008 | CN101319275A Process for solvent extraction separation purification of rare earth element |
| 11/26/2008 | CN100436611C Method of purifying cerium by controlling pH |
| 11/26/2008 | CN100435899C Saponification of organic extractant |
| 11/19/2008 | CN101307391A Process for recovering rare earth element in waste florescent lamps |
| 11/19/2008 | CN101307384A Process for preparing high pure rare earth metals by layered distillation method and device |
| 11/12/2008 | CN201148456Y Apparatus for continuous saponification preparing extractive agent rare-earth soap |
| 10/29/2008 | CN101294245A Technique for extraction separation of quadravalence cerium, thorium and cerium less tervalence rare earth from sulphuric acid rare earth solution |
| 10/29/2008 | CN101294244A Technique for extraction separation of quadravalence cerium, thorium, fluorine and cerium less tervalence rare earth from sulphuric acid rare earth solution |
| 10/22/2008 | CN100427249C Halocarbon triggered synthesized anthracene lanthanide series metal organic compounds and preparation of nano lanthanide series metal dust through vacuum decomposition of same |
| 10/14/2008 | US7435399 Chromatographic extraction with di(2-ethylhexyl)orthophosphoric acid for production and purification of promethium-147 |
| 09/10/2008 | CN101260466A Pretreatment method for organic extracting agent and application thereof |
| 08/28/2008 | WO2008101396A1 Preprocessing method of an organic extractant and the preprocessed product and the use thereof |
| 08/13/2008 | CN100410611C Crucible for melting rare earth element alloy and rare earth element alloy |
| 07/31/2008 | WO2008091806A1 Metallothermic reduction of in-situ generated titanium chloride |
| 07/31/2008 | CA2676247A1 Metallothermic reduction of in-situ generated titanium chloride |
| 07/30/2008 | CN101230420A Hybrid extraction method and extractant for extraction separation of rare earth elements |
| 07/30/2008 | CN100406589C Method for preparing embedding ion liquid and neutral phosphor (phosphine) extractant composite material and its use |
| 07/16/2008 | CN100402431C Process for recovering rare earth oxide from waste liquid containing rare earth element, and process for producing rare earth oxide using same |
| 07/09/2008 | CN101215640A Method for reclaiming vanadium and rare earth compounds from heavy slag of blast furnace slag |
| 05/28/2008 | CN101186977A Method for decomposing hamartite |
| 05/28/2008 | CN101186970A Method for extracting neodymium from neodymium-iron-boron electroplating pre-processing acid washing waste water |
| 05/28/2008 | CN101186969A Method for separating rare earth, iron, copper, cobalt and tungsten from alloy |
| 05/28/2008 | CN101186967A Technique for comprehensive utilization clean production of phosphorus block ore and extracting rare earth form the phosphorus block ore |
| 05/21/2008 | CN101182601A Method for extracting metal scandium and titanium from red mud |
| 05/21/2008 | CN101182597A Method of acidic extractant complexing extraction separation rare-earth element |
| 04/16/2008 | CN100381196C Method of obtaining gallium-68 and use thereof and device for carrying out said method |
| 04/09/2008 | CN101157992A Comprehensive utilization technique for hamartite and celestite paragenic ore |
| 02/20/2008 | CN100370040C Method for extracting scandium from red mud |
| 02/20/2008 | CN100370039C Method for separating rare-earth element and fluorapatite, calcium chloraphosphate and calcium phosphate |
| 02/20/2008 | CN100369957C Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 02/14/2008 | US20080035025 Metal Peroxide Films |