ClassID:

119518

C22B59/00 - page 2 - CPC Classification

Classification description:

Obtaining rare earth metals

Recent Application in this class:
#301
20190218643
2019-07-18

Extractant for rare earth extraction from aqueous phosphoric acid solutions and method of extraction

#302
20190185964
2019-06-20

METHOD FOR PURIFYING SCANDIUM AND SCANDIUM EXTRACTANT

#303
20190176056
2019-06-13

Heavy metal separations using strongly paramagnetic column packings in a nonhomogeneous magnetic field

#304
20190169710
2019-06-06

Method for extracting rare earth elements contained in permanent magnets

#305
20190161828
2019-05-30

Production of scandium-containing concentrate and further extraction of high-purity scandium oxide from the same

#306
20190161827
2019-05-30

Extraction of scandium values from copper leach solutions

#307
20190160394
2019-05-30

Separating rare earth metal oxalates

#308
20190153562
2019-05-23

Preparation of rare earth metals and other chemicals from industrial waste coal ash

#309
20190144968
2019-05-16

Method for removing radioactive element thorium in rare earth mineral

#310
20190136344
2019-05-09

Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste

#311
20190136343
2019-05-09

Processing of iron-rich rare earth bearing ores

#312
20190136340
2019-05-09

Hydrometallurgical process and method for recovering metals

#313
20190119785
2019-04-25

System and method for concentrating rare earth elements from coal byproducts/slag

#314
20190119778
2019-04-25

Engineered microbes for rare earth element adsorption

#315
20190105630
2019-04-11

Preparation of chitosan-based microporous composite material and its applications

#316
20190085428
2019-03-21

Methods of purifying precious metal

#317
20190078175
2019-03-14

Selective recovery of rare earth metals from an acidic slurry or acidic solution

#318
20190062870
2019-02-28

SOLUBILIZATION OF SCANDIUM FROM FLUORIDE BEARING MATERIALS

#319
20190062869
2019-02-28

Scandium purification method

#320
20190062868
2019-02-28

Rapid synthesis of gallium alloys

#321
20190054457
2019-02-21

Composite extractant-enhanced polymer resin, method of making the same, and its usage for extraction of valuable metal(s)

#322
20190040494
2019-02-07

Bauxite residue recycling

#323
20190040492
2019-02-07

Method for recovering scandium

#324
20190024213
2019-01-24

Method for recovering scandium

#325
20190024209
2019-01-24

AGENT FOR SELECTIVE METAL RECOVERY, METAL RECOVERY METHOD, AND METAL ELUTION METHOD

#326
20190017147
2019-01-17

Separation method of rare earth element and iron and rare earth element-containing slag

#327
20190017144
2019-01-17

Method for separating metal components

#328
20180371579
2018-12-27

Method for recovering scandium

#329
20180363098
2018-12-20

Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps

#330
20180361392
2018-12-20

COMBINED GRINDING AND LEACHING APPARATUS FOR ORES AND WASTES AND METHODS OF USE THEREOF

#331
20180320249
2018-11-08

Method of refining of scandium oxide from concentrates using solvent extraction

#332
20180320248
2018-11-08

SELECTIVE EXTRACTION OF CERIUM FROM OTHER METALS

#333
20180312941
2018-11-01

Dissolution and separation of rare earth metals

#334
20180312940
2018-11-01

Method for recovering scandium values from leach solutions

#335
20180305832
2018-10-25

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#336
20180282840
2018-10-04

Recovery of scandium values through selective precipitation of hematite and basic iron sulfates from acid leachates

#337
20180266074
2018-09-20

System for recovering minerals from the seabed

#338
20180265948
2018-09-20

Rare earth element extraction from coal

#339
20180245182
2018-08-30

Methods and systems for recovering products from iron and steel slag

#340
20180245181
2018-08-30

Useful method for separating light rare earth elements and heavy rare earth elements

#341
20180237887
2018-08-23

SELECTIVE SULFATION ROASTING OF RARE EARTH MAGNET WASTE

#342
20180236459
2018-08-23

Hard drive non-destructive dismantling system

#343
20180216209
2018-08-02

Process and apparatus for producing uranium or a rare earth element

#344
20180209015
2018-07-26

Recovery of rare earths from concentrates containing fluorine

#345
20180202025
2018-07-19

Process for the recovery of rare earth metals from permanent magnets

#346
20180195147
2018-07-12

Engineered microbes for rare earth element adsorption

#347
20180195146
2018-07-12

Method of separating rare earth elements from rare earth polishing powder wastes

#348
20180187289
2018-07-05

MATERIALS DERIVED FROM COAL USING ENVIRONMENTALLY FRIENDLY SOLVENTS

#349
20180171434
2018-06-21

Alkaline solution method for recovering rare earth elements

#350
20180163284
2018-06-14

System and a method for metallurgical extraction of rare earth elements and niobium

#351
20180162741
2018-06-14

METHOD OF REMOVING YTTRIUM FROM YTTRIUM-CONTAINING EUROPIUM OXIDE

#352
20180142321
2018-05-24

Use of novel compounds for selectively extracting rare earths from aqueous solutions including phosphoric acid and associated extraction method

#353
20180142320
2018-05-24

Process of solvent extraction for separation of rare earth elements (REEs) through partial reflux of rare earths in solvent based on separation factor

#354
20180119251
2018-05-03

Methods of recovering rare earth elements from a material

#355
20180117564
2018-05-03

Molecularly imprinted polymer beads for extraction of lithium, mercury, and scandium

#356
20180087136
2018-03-29

METHOD OF PRODUCING HIGH-PURITY ERBIUM

#357
20180087128
2018-03-29

Method for recovering scandium

#358
20180066337
2018-03-08

Method for isolating americium from liquid radioactive waste and for separating americium from rare earth elements

#359
20180057383
2018-03-01

Novel Radioresistant Alga of the Genus Coccomyxa

#360
20180051359
2018-02-22

Process for the separation and purification of scandium medical isotopes

#361
20180030577
2018-02-01

Scandium-containing master alloys and method for making the same

#362
20180023168
2018-01-25

Method for recovering scandium

#363
20170368610
2017-12-28

Mechano-chemical de-mixing of metal alloys and mixed materials

#364
20170356067
2017-12-14

Acid digestion processes for recovery of rare earth elements from coal and coal byproducts

#365
20170326530
2017-11-16

Surface-functionalized polyolefin fibers and their use in methods for extracting metal ions from liquid solutions

#366
20170321301
2017-11-09

Method for recovering high-purity scandium

#367
20170306514
2017-10-26

Processes for recovering rare earth elements

#368
20170306443
2017-10-26

Method for extracting ultra high purity alumina from wasterwater

#369
20170306439
2017-10-26

Methods for liquid extraction of rare earth metals using ionic liquids

#370
20170297062
2017-10-19

Hard drive dismantling system

#371
20170291827
2017-10-12

Processes for selective recovery of rare earth metals present in acidic aqueous phases resulting from the treatment of spent or scrapped permanent magnets

#372
20170275733
2017-09-28

METHOD FOR PLATINUM RECOVERY FROM MATERIALS CONTAINING RHENIUM AND PLATINUM METALS

#373
20170275732
2017-09-28

Method for extraction and separation of rare earth elements

#374
20170260606
2017-09-14

Processing for the extraction of rare earth elements

#375
20170240574
2017-08-24

Alkenyl(perfluoroalkyl)phosphinic acids

#376
20170233849
2017-08-17

Method of refining of scandium oxide from concentrates using solvent extraction

#377
20170204499
2017-07-20

Acid leaching of rare earth minerals

#378
20170204498
2017-07-20

Simple chemical method for the separation of rare earth metals

#379
20170198373
2017-07-13

Method for recovering thorium and rare earth elements from rare earth waste residues

#380
20170175229
2017-06-22

Methods and composition for sequential isolation of rare earth elements

#381
20170175225
2017-06-22

Scandium recovery process

#382
20170166994
2017-06-15

Lixiviant for rare earth production

#383
20170166993
2017-06-15

Ligand assisted chromatography for metal ion separation

#384
20170137915
2017-05-18

Method for recovering rare earth element

#385
20170114429
2017-04-27

Method for platinum recovery from materials containing rhenium and platinum metals

#386
20170107597
2017-04-20

Method of purifying yttrium

#387
20170101698
2017-04-13

Functionalized Adsorbents for the Recovery of Rare Earth Elements from Aqueous Media

#388
20170037493
2017-02-09

Utilization of temperature heat adsorption skin temperature as scale control reagent driver

#389
20170025695
2017-01-26

Chlorination of processing residues as a variable load for grid scale electrical load following and storage

#390
20170022071
2017-01-26

Separation of terbium(III,IV) oxide

#391
20170016088
2017-01-19

Recovering rare earth metals from magnet scrap

#392
20170008926
2017-01-12

Rare earth material-binding peptide and use thereof

#393
20160376683
2016-12-29

Monazite and apatite paragenetic ore enrichment method

#394
20160369372
2016-12-22

Method for the acid treatment of red mud

#395
20160362766
2016-12-15

Recovering heavy rare earth metals from magnet scrap

#396
20160355937
2016-12-08

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#397
20160348214
2016-12-01

Process for metals leaching and recovery from radioactive wastes

#398
20160348213
2016-12-01

Extractant and method for extracting and separating yttrium

#399
20160346736
2016-12-01

Membrane assisted solvent extraction for rare earth element recovery

#400
20160340757
2016-11-24

Scandium recovery method

#401
20160325359
2016-11-10

Method for producing monodisperse spherical granules

#402
20160319396
2016-11-03

Systems for recovering rare earth elements

#403
20160312337
2016-10-27

Recovery of rare earth elements by liquid-liquid extraction from fresh water to hypersaline solutions

#404
20160304987
2016-10-20

Processes for preparing alumina and various other products

#405
20160304986
2016-10-20

Liquid-liquid extraction unit, multistage liquid-liquid extraction apparatus using the unit, and multistage continuous extraction system for rare earth elements

#406
20160289795
2016-10-06

Systems and processes for recovering scandium values from laterite ores

#407
20160260530
2016-09-08

Short-process method for preparing sintered NdFeB magnets with high magnetic properties recycling from NdFeB sludge

#408
20160258074
2016-09-08

Treatment of titanium ores

#409
20160251739
2016-09-01

Method of recovering rare-earth elements

#410
20160222532
2016-08-04

Purification of coal and fly ash by ionic liquids

#411
20160208364
2016-07-21

Separation of recycled rare earths

#412
20160177420
2016-06-23

Solvent extraction of scandium from leach solutions

#413
20160177419
2016-06-23

Method for separation of rare earth ion

#414
20160153071
2016-06-02

Processes for recovering rare earth elements from aluminum-bearing materials

#415
20160153070
2016-06-02

Systems and methodologies for direct acid leaching of scandium-bearing ores

#416
20160153069
2016-06-02

Method for treating solution containing rare earth

#417
20160153067
2016-06-02

PROCESSES FOR PREPARING TITANIUM OXIDE AND VARIOUS OTHER PRODUCTS

#418
20160145717
2016-05-26

PROCESS OF ISOLATING RARE EARTH ELEMENTS

#419
20160145715
2016-05-26

Treatment process for recovery and separation of elements from liquors

#420
20160138133
2016-05-19

Extraction and recovery of yttrium and rare earth elements

#421
20160138132
2016-05-19

A SYSTEM AND METHOD FOR SEPARATION AND PURIFICATION OF DISSOLVED RARE EARTH/PRECIOUS METALS ELEMENTS/COMPOUNDS

#422
20160115569
2016-04-28

METHOD FOR SYNTHESIZING A RARE EARTH ELEMENT BY REDOX REACTION

#423
20160108498
2016-04-21

Method for recovering rare earth element

#424
20160068930
2016-03-10

Extraction/separation method

#425
20160068929
2016-03-10

EXTRACTION OF RARE EARTH METALS FROM NdFeB USING SELECTIVE SULFATION ROASTING

#426
20160068926
2016-03-10

Method of electrolytically assisted carbochlorination

#427
20160053344
2016-02-25

Sulfonamide-based separation media for rare earth element separations

#428
20160047015
2016-02-18

Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrate

#429
20160047014
2016-02-18

Method for recovering scandium

#430
20160040268
2016-02-11

Methods for extracting rare-earth metals and preparing gypsum plaster from phosphogypsum hemihydrate

#431
20160032423
2016-02-04

Methods for concentrating rare-earth metals in phosphogypsum and removing thereof from wet process phosphoric acid

#432
20160032421
2016-02-04

PROCESSES FOR TREATING FLY ASHES

#433
20160032419
2016-02-04

METHOD FOR SELECTIVELY RECOVERING THE RARE EARTHS FROM AN AQUEOUS ACID SULFATE SOLUTION RICH IN ALUMINUM AND PHOSPHATES

#434
20160024617
2016-01-28

Methods for gas-phase thermochromatographic separations of fission and activation products

#435
20160024616
2016-01-28

Method for re-extraction of rare-earth metals from organic solutions and preparing concentrate of rare-earth metals

#436
20160017459
2016-01-21

Systems and methods for separating and recovering rare earths

#437
20160010178
2016-01-14

Adsorbent for rare earth element and method for recovering rare earth element

#438
20160010177
2016-01-14

Method for separating impurities from an acidic solution containing nickel and cobalt and/or scandium

#439
20160002751
2016-01-07

SELECTIVE EXTRACTION OF CERIUM FROM OTHER METALS

#440
20150368755
2015-12-24

Method for producing a solid scandium-containing material of enhanced scandium content

#441
20150361527
2015-12-17

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#442
20150361526
2015-12-17

Method for recovering heavy rare earth element

#443
20150354026
2015-12-10

Extraction of metals from metallic compounds

#444
20150344991
2015-12-03

Method for recovering rare earth element

#445
20150329940
2015-11-19

System and process for selective rare earth extraction with sulphur recovery

#446
20150307966
2015-10-29

Process, method and plant for recovering scandium

#447
20150307965
2015-10-29

Processes for recovering rare earth elements from aluminum-bearing materials

#448
20150307958
2015-10-29

Monazite ballast separation and recovery method

#449
20150292060
2015-10-15

Method for isolating rare earths and/or adjacent metal element(s) contained in the magnetic phase of permanent magnets

#450
20150292059
2015-10-15

Method and system for separating rare earth elements

#451
20150292057
2015-10-15

Method for metal production

#452
20150284872
2015-10-08

Method and apparatus for extracting and removing rare earth metal ions from plating solution

#453
20150284822
2015-10-08

Method for recovering rare earth metals from solid minerals and/or by-products of solid mineral processing

#454
20150284821
2015-10-08

Method for recovering scandium

#455
20150252449
2015-09-10

Method for comprehensively recovering rare earth elements and fluorine element in a bastnaesite treatment process

#456
20150225813
2015-08-13

Technologies of twice dissolved by hydrochloric acid for waste rare earth luminescent materials

#457
20150211095
2015-07-30

Leaching method of rare-earth metals using hydrochloric acid from manganese nodule

#458
20150211094
2015-07-30

Method for processing ash, particularly fly ash

#459
20150203979
2015-07-23

RECOVERY OF RARE EARTH METALS

#460
20150197826
2015-07-16

Hydrometallurgical process and method for recovering metals

#461
20150184268
2015-07-02

Method for separating and refining scandium

#462
20150176105
2015-06-25

Rare earth element compositions obtained from particulate material comprising kaolin and methods for obtaining such compositions

#463
20150176104
2015-06-25

Systems and methods for recovery of rare-earth constituents from environmental barrier coatings

#464
20150174659
2015-06-25

NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES

#465
20150167120
2015-06-18

Processes for rare earths recovery from wet-process phosphoric acid

#466
20150159239
2015-06-11

Processes for preparing titanium oxide and various other products

#467
20150158086
2015-06-11

Method and device for recovering hydrogen pulverized powder of raw-material alloy for rare-earth magnet

#468
20150143954
2015-05-28

SYSTEM AND METHOD FOR SELECTIVELY REMOVING METALS FROM INDUSTRIAL WASTE

#469
20150139871
2015-05-21

Recovery of rare earth elements and compounds from coal ash

#470
20150122084
2015-05-07

Method of recovering rare earth elements from oxidized scrap of permanent magnet

#471
20150104361
2015-04-16

PROCESSES FOR RECOVERING RARE EARTH ELEMENTS AND RARE METALS

#472
20150086449
2015-03-26

Method of recovering rare-earth elements

#473
20150059528
2015-03-05

Method for extracting and separating rare-earth element

#474
20150053049
2015-02-26

PROCESS FOR RECOVERING METALS BY REDUCTION AND CARBONYLATION

#475
20150047469
2015-02-19

Method for Recovering Rare Earth from Rare Earth Element-Containing Alloy

#476
20150047465
2015-02-19

Method for the integration of carbochlorination into a staged reforming operation as an alternative to direct residue oxidation for the recovery of valuable metals

#477
20150023836
2015-01-22

HIGH STRENGTH AND HIGH TOUGHNESS METAL AND METHOD OF PRODUCING THE SAME

#478
20140377150
2014-12-25

Scandium extraction method

#479
20140373683
2014-12-25

Processes for recovering rare earth elements from various ores

#480
20140369904
2014-12-18

Processes for preparing alumina and various other products

#481
20140369903
2014-12-18

Method and system for purifying charged radioisotopes

#482
20140356259
2014-12-04

Selective Separation of Rare Earth Metals by Integrated Extraction and Crystallization

#483
20140356258
2014-12-04

Method for separating and recovering rare-earth elements

#484
20140328737
2014-11-06

Cobalt extraction method

#485
20140322107
2014-10-30

Method for recovering rare earth element

#486
20140314639
2014-10-23

Method for recovering scandium from intermediate products formed in the hydrometallurgical processing of laterite ores

#487
20140311294
2014-10-23

Methods and systems for recovering rare earth elements

#488
20140294701
2014-10-02

Surface-functionalized mesoporous carbon materials

#489
20140294700
2014-10-02

Method of manufacturing non-carrier-added high-purity Lu compounds as well as non-carrier-added Lu compounds

#490
20140283652
2014-09-25

Rare earth element recovery method

#491
20140234187
2014-08-21

Valuable metal extraction agent and valuable metal extraction method using said extraction agent

#492
20140199203
2014-07-17

HIGH-PURITY LANTHANUM, METHOD FOR PRODUCING SAME, SPUTTERING TARGET COMPRISING HIGH-PURITY LANTHANUM, AND METAL GATE FILM COMPRISING HIGH-PURITY LANTHANUM AS MAIN COMPONENT

#493
20140193317
2014-07-10

Methods of recovering scandium from titanium residue streams

#494
20140186239
2014-07-03

Method for recovering rare earth element

#495
20140166501
2014-06-19

Element recovery method and element recovery apparatus

#496
20140165783
2014-06-19

Method and system for recovering bond coat and barrier coat materials from overspray and articles

#497
20140154155
2014-06-05

Refining methods and agents for rare earth production

#498
20140140884
2014-05-22

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

#499
20140124366
2014-05-08

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

#500
20140123809
2014-05-08

Method for producing R-Fe-B based permanent magnet alloy recycled material having removed carbon

#501
20140096647
2014-04-10

Process for the Recovery of AB5 Alloy from Used Nickel/Metal Hydride Batteries

#502
20140090518
2014-04-03

Method for obtaining metals and rare earth metals from scrap

#503
20140072509
2014-03-13

Methods of increasing an amount of zeolite in a zeolite-containing material

#504
20140034480
2014-02-06

Tantalum-material multilevel distillation crucible and distillation process

#505
20140033868
2014-02-06

Method for extraction and separation of lanthanoid elements and actinoid elements, and means for extraction and separation of lanthanoid elements and actinoid elements

#506
20140023571
2014-01-23

Method of recovering rare earths from a solid mixture containing a halophosphate and a rare earth compound and solid mixtures suitable for this method

#507
20130343969
2013-12-26

Particulate Materials for Uranium Extraction and Related Processes

#508
20130340571
2013-12-26

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

#509
20130336856
2013-12-19

System and method for rare earths extraction

#510
20130313659
2013-11-28

Method for producing high-purity lanthanum, high-purity lanthanum, sputtering target formed from high-purity lanthanum, and metal gate film having highy-purity lanthanum as main component

#511
20130309150
2013-11-21

Rare earth recovery from phosphor

#512
20130287653
2013-10-31

Recovery of rare earth elements and compounds from coal ash

#513
20130283978
2013-10-31

Composition for collecting metal component

#514
20130283977
2013-10-31

Process for extraction of rare earth elements

#515
20130263699
2013-10-10

Magnet recycling

#516
20130241010
2013-09-19

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

#517
20130206588
2013-08-15

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#518
20130171047
2013-07-04

Method for recycling of rare earth and zirconium oxide materials

#519
20130123534
2013-05-16

Method for synthesizing rare earth metal extractant

#520
20130112043
2013-05-09

Method for separating nickel and cobalt from active material contained in spent nickel-metal hydride battery

#521
20130109563
2013-05-02

PREPARING CERIUM(III) COMPOUNDS

#522
20130108526
2013-05-02

METHOD FOR MATERIALS RECOVERY FROM CATALYSTS COMPRISING IRON, CERIUM, MOLYBDENUM, AND POTASSIUM

#523
20130102806
2013-04-25

Method for synthesizing rare earth metal extractant

#524
20130091989
2013-04-18

Method for recovering rare earth compounds, vanadium and nickel

#525
20130047783
2013-02-28

Integrated spin systems for the separation and recovery of gold, precious metals, rare earths and purification of water

#526
20130001096
2013-01-03

Process for producing rare metal

#527
20120328493
2012-12-27

Method for extracting and separating light rare earth element

#528
20120318713
2012-12-20

Methods of re-using a spent FCC Catalyst

#529
20120219477
2012-08-30

Method for extracting rare earth material from monazite

#530
20120207656
2012-08-16

System and Method for Recovery of Scandium Values From Scandium-Containing Ores

#531
20120175316
2012-07-12

METHOD FOR EXTRACTING AT LEAST ONE CHEMICAL ELEMENT FROM A MOLTEN SALT MEDIUM

#532
20120172626
2012-07-05

Dialkyldiaza-tetraalkyloctane diamide derivatives useful for the separation of trivalent actinides from lanthanides and process for the preparation thereof

#533
20120160061
2012-06-28

Increase in the separation factor between americium and curium and/or between lanthanides in a liquid-liquid extraction operation

#534
20120156116
2012-06-21

Process For Metal Recovery From Catalyst Waste

#535
20120152756
2012-06-21

Treatment of titanium ores

#536
20120152062
2012-06-21

Rare earth recovery from phosphor material and associated method

#537
20120148442
2012-06-14

Nanowire preparation methods, compositions, and articles

#538
20120137829
2012-06-07

Magnet recycling

#539
20120125155
2012-05-24

Method and device for recovering hydrogen pulverized powder of raw-material alloy for rare-earth magnet

#540
20120125153
2012-05-24

Recovery of elements from hydrothermal products

#541
20120114538
2012-05-10

Method for extracting rare earth elements from phosphogypsum

#542
20120087849
2012-04-12

METHOD FOR RECOVERING LANTHANUM FROM ZEOLITES CONTAINING LANTHANUM

#543
20110300017
2011-12-08

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

#544
20110280778
2011-11-17

Method of precipitation of metal ions

#545
20110277592
2011-11-17

SEPARATION METHOD FOR CARRIER-FREE RADIOLANTHANIDES

#546
20110274597
2011-11-10

Use of Mg(HCO3)2 and/or Ca(HCO3)2 aqueous solution in metal extractive separation and purification

#547
20110272292
2011-11-10

Metal collection method and metal collection device

#548
20110217222
2011-09-08

Process for the acid digestion of metal-containing compounds

#549
20110192255
2011-08-11

COMPOSITION FOR COLLECTING METAL COMPONENT

#550
20110182786
2011-07-28

Hydrometallurgical process and method for recovering metals

#551
20110023660
2011-02-03

Method and apparatus for recovery of rare earth element

#552
20110011215
2011-01-20

Rare metal extractant

#553
20100319491
2010-12-23

Method for extracting and separating rare earth elements

#554
20100272596
2010-10-28

High-purity lanthanum, sputtering target comprising high-purity lanthanum, and metal gate film mainly comprising high-purity lanthanum

#555
20100260640
2010-10-14

High purity ytterbium, sputtering target made thereof, thin film containing the same, and method of producing the same

#556
20100155675
2010-06-24

Filled Skutterudites for Advanced Thermoelectric Applications

#557
20100155330
2010-06-24

TARGET MATERIAL REMOVAL USING RARE EARTH METALS

#558
20100150798
2010-06-17

Actinide extraction methods

#559
20100018347
2010-01-28

SEPARATION OF RADIUM AND RARE EARTH ELEMENTS FROM MONAZITE

#560
20100003176
2010-01-07

PROCESS FOR PRETREATING ORGANIC EXTRACTANTS AND ITS PRODUCT AND APPLICATION

#561
20090272230
2009-11-05

Recovery of rare earth elements

#562
20090090621
2009-04-09

Erbium Sputtering Target and Manufacturing Method

#563
20090078087
2009-03-26

PROCESS FOR THE ACID DIGESTION OF METAL-CONTAINING COMPOUNDS

#564
20090026138
2009-01-29

Process for separating at least one actinide element from lanthanide elements in an aqueous medium by sequestration and membrane filtration

#565
20080306251
2008-12-11

Rare-earth amidate coordination compounds

#566
20080115627
2008-05-22

Metal Extraction In Liquid Or Supercritical-Fluid Solvents

#567
20080041769
2008-02-21

Pneumatic flotation column

#568
20070169859
2007-07-26

High strength and high toughness metal and method of producing the same

#569
20070104628
2007-05-10

Apparatus and method for recovering rare-earth and noble metals from an article

#570
20070003790
2007-01-04

Rare earth metal member and making method

#571
20060252629
2006-11-09

Rare earth alloy-melting crucible and rare earth alloy

#572
20060205920
2006-09-14

Phosphorus dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides

#573
20060151326
2006-07-13

Electrolytic apparatus for use in oxide electrowinning method

#574
20060018813
2006-01-26

Method of separating and purifying Yttrium-90 from Strontium-90

#575
20060016470
2006-01-26

Filled skutterudites for advanced thermoelectric applications

#576
20060000522
2006-01-05

Remelting of rare earth magnet scrap and/or sludge, magnet-forming alloy, and sintered rare earth magnet

#577
20050255017
2005-11-17

Method for separating platinum group element

#578
20050107599
2005-05-19

Phosphonamides, process for producing the same, and use thereof

#579
20050016635
2005-01-27

Crucible for melting rare earth element alloy and rare earth element alloy

#580
17828063
2022-10-18

Integrated method for purifying metal gadolinium and preparing gadolinium oxide nanomaterials by arc plasma

#581
17316397
2022-01-25

Method for extracting rare earth metals

#582
17201729
2024-09-10

Method embodiments for extracting elements from coal combustion products

#583
17193028
2023-05-02

Methods and systems for extracting materials from fly ash

#584
16549641
2022-10-11

System and method embodiments for element extraction and separation

#585
16431919
2020-07-14

Rare earth solution image capture device and method

#586
15821304
2020-05-12

Strategic metal and mineral element ore processing using mixing and oxidant treatment

#587
15254232
2019-06-18

Process for recycling rare earth magnets

#588
14537194
2018-07-24

Method of direct solvent extraction of rare earth metals from an aqueous acid-leached ore slurry

#589
14500361
2015-12-01

Water supply launder of table gravity concentrator