ClassID:

119288

C22B7/006 - page 2 - CPC Classification

Classification description:

Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals Wet processes

Recent Application in this class:
#301
20140041485
2014-02-13

Process for magnesium production

#302
20140034090
2014-02-06

Method for detaching coatings from scrap

#303
20130336857
2013-12-19

Sustainable process for reclaiming precious metals and base metals from e-waste

#304
20130302226
2013-11-14

Method and apparatus for recycling lithium-ion batteries

#305
20130269484
2013-10-17

Valuable metal leaching method, and valuable metal collection method employing the leaching method

#306
20130264273
2013-10-10

Submersible filters for use in separating radioactive isotopes from radioactive waste materials

#307
20130171047
2013-07-04

Method for recycling of rare earth and zirconium oxide materials

#308
20130078726
2013-03-28

Method of recovering heavy metal and reagent for recovery of heavy metal for use in the same

#309
20130060075
2013-03-07

Method and apparatus for homogenizing and stabilizing an iron-bearing residue

#310
20130026049
2013-01-31

METHOD FOR RECOVERING VALUABLE METALS

#311
20130014611
2013-01-17

Method for recovering tantalum

#312
20120325676
2012-12-27

Process to recycle end of life CDTE modules and manufacturing scrap

#313
20120322929
2012-12-20

Pretreatment method for chelate resin having pyridine ring used for collecting catalyst in terephthalic acid production process

#314
20120318713
2012-12-20

Methods of re-using a spent FCC Catalyst

#315
20120312126
2012-12-13

Metal recovery method and dialysis device

#316
20120247509
2012-10-04

Method of washing anode slime from lead-bismuth alloy electrolysis

#317
20120247271
2012-10-04

PROCESS FOR RECOVERING METALS AND METAL COMPOUNDS FROM MINED ORE AND OTHER METAL-BEARING RAW SOURCE MATERIALS

#318
20120198965
2012-08-09

Method of manufacturing Fe and Ni containing material, ferronickel mass using the Fe and Ni containing material and method for manufacturing the ferronickel mass

#319
20120164039
2012-06-28

PALLADIUM ION ADSORBENT AND METHODS FOR SEPARATING AND RECOVERING PALLADIUM USING IT

#320
20120144959
2012-06-14

SMELTING METHOD

#321
20120125853
2012-05-24

Method for collecting metal

#322
20120107200
2012-05-03

Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste

#323
20120097557
2012-04-26

Container having a sensor adapter

#324
20120073601
2012-03-29

Method for removing mercury contamination from solid surfaces

#325
20120045382
2012-02-23

Scorodite-type iron-arsenic compound particles, production method thereof, and arsenic-containing solid

#326
20120034153
2012-02-09

Electrolytic recycling of compounds

#327
20120028868
2012-02-02

REMOVAL OF METAL SALT-COMPRISING IONIC LIQUIDS FROM WORKPIECES AND RECYCLING OF SUCH LIQUIDS

#328
20120014860
2012-01-19

Method for recovering nitric acid and purifying silver nitrate electrolyte

#329
20110309029
2011-12-22

Method for removing arsenic as scorodite

#330
20110300040
2011-12-08

Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution

#331
20110296952
2011-12-08

Soldering process

#332
20110278498
2011-11-17

HYDROCOMPOSITE WITH IRON AND STEEL SLAG AS STARTING MATERIAL AND METHOD FOR PRODUCING THE SAME

#333
20110272292
2011-11-10

Metal collection method and metal collection device

#334
20110223072
2011-09-15

Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste

#335
20110203929
2011-08-25

RECOVERY OF LITHIUM FROM AQUEOUS SOLUTIONS

#336
20110176978
2011-07-21

Metal recovery from hydroconverted heavy effluent

#337
20110174739
2011-07-21

Lithium recovery device using separator reservoir, lithium recovery method and lithium adsorption/desorption system using the same

#338
20110165041
2011-07-07

Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates

#339
20110163042
2011-07-07

Removal method of manganese from waste water

#340
20110160423
2011-06-30

Purification method of polyamic acid resin and polyimide resin

#341
20110132146
2011-06-09

METHOD AND APPARATUS FOR RECOVERING INDIUM FROM ETCHING WASTE SOLUTION CONTAINING INDIUM AND FERRIC CHLORIDE

#342
20110089045
2011-04-21

ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF METALLIC IRON AND SULFURIC ACID VALUES FROM IRON-RICH SULFATE WASTES, MINING RESIDUES AND PICKLING LIQUORS

#343
20110062215
2011-03-17

SOLDERING PROCESS

#344
20110048968
2011-03-03

RECYCLING TUNGSTEN CARBIDE

#345
20110046430
2011-02-24

Metal remediation using a mesoporous nanocomposite

#346
20110045962
2011-02-24

Process for recycling spent pot linings (SPL) from primary aluminium production

#347
20110033913
2011-02-10

METHOD AND APPARATUS FOR THEMICROBIOLOGICAL REMOVAL OF MERCURY FROM CONTAMINATED MATERIALS,

#348
20110011215
2011-01-20

Rare metal extractant

#349
20110005350
2011-01-13

Recovery method and recovery apparatus of thallium in cement production facilities

#350
20100329970
2010-12-30

METHOD FOR RECOVERY OF COPPER, INDIUM, GALLIUM, AND SELENIUM

#351
20100322831
2010-12-23

METHOD FOR THE PRODUCTION OF METAL PRODUCTS

#352
20100316560
2010-12-16

PROCESS FOR THE PRODUCTION OF MIXED-METAL-OXIDE INORGANIC PIGMENTS FROM INDUSTRIAL WASTES

#353
20100316544
2010-12-16

Method for collection of valuable metal from ITO scrap

#354
20100307979
2010-12-09

CHELATE RESIN

#355
20100300250
2010-12-02

Process for recovering metals from coal liquefaction residue containing spent catalysts

#356
20100294082
2010-11-25

Method for collection of valuable metal from ITO scrap

#357
20100288646
2010-11-18

Method of recovering valuable metals from IZO scrap

#358
20100288645
2010-11-18

Method of recovering valuable metals from IZO scrap

#359
20100286464
2010-11-11

Methods of Treatment of Chromite Ore Processing Residue

#360
20100284874
2010-11-11

Method for treating fly ash

#361
20100282615
2010-11-11

Method of recovering valuable metals from IZO scrap

#362
20100278686
2010-11-04

Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials

#363
20100266484
2010-10-21

Method of processing diarsenic trioxide

#364
20100252506
2010-10-07

Method for producing chelate resins

#365
20100252078
2010-10-07

Apparatus for Recycling Noble Metals

#366
20100242678
2010-09-30

Method of manufacturing Fe and Ni containing material, ferronickel mass using the Fe and Ni containing material and method for manufacturing the ferronickel mass

#367
20100233767
2010-09-16

PROCESS FOR THE RECOVERY OF MAGNESIUM FROM A SOLUTION AND PRETREATMENT

#368
20100226839
2010-09-09

Method For Recovery of Gallium

#369
20100199807
2010-08-12

Recovering metals from complex metal sulfides

#370
20100193467
2010-08-05

METHOD FOR THE TREATMENT AND REUSE OF A STRIPPER SOLUTION

#371
20100193372
2010-08-05

Method for collection of valuable metal from ITO scrap

#372
20100181259
2010-07-22

Method for controlling a waste water concentration of cleaning solution containing phosphorus

#373
20100170853
2010-07-08

System and method for wastewater treatment

#374
20100166626
2010-07-01

Method for wastewater treatment

#375
20100166625
2010-07-01

System and method for wastewater treatment

#376
20100163497
2010-07-01

SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#377
20100163491
2010-07-01

System and method for wastewater treatment

#378
20100163489
2010-07-01

SYSTEM AND METHOD FOR WASTEWATER TREATMENT

#379
20100155330
2010-06-24

TARGET MATERIAL REMOVAL USING RARE EARTH METALS

#380
20100139457
2010-06-10

Method and apparatus for recovering indium from etching waste solution containing indium and ferric chloride

#381
20100135876
2010-06-03

PROCESS FOR SOLUBILIZING, REDUCING AND FIXING HEXAVALENT CHROMIUM CONTAINED IN CHROMITE ORE PROCESSING RESIDUE INTO TRIVALENT CHROMIUM

#382
20100116090
2010-05-13

Method for recovering metal

#383
20100101964
2010-04-29

Method of recovering valuable metal from scrap containing conductive oxide

#384
20100101963
2010-04-29

Method of recovering valuable metal from scrap conductive oxide

#385
20100087697
2010-04-08

Methods of treatment of chromite ore processing residue

#386
20100084281
2010-04-08

Method for collection of valuable metal from ITO scrap

#387
20100084279
2010-04-08

Method for collection of valuable metal from ITO scrap

#388
20100072075
2010-03-25

Method of recovering valuable metal from scrap containing conductive oxide

#389
20100071507
2010-03-25

Pre-treatment process for liberation of metals from waste printed circuit boards using organic solution

#390
20100065502
2010-03-18

Method and apparatus for removing metal from waste water

#391
20100064853
2010-03-18

Methods for chemical recovery of non-carrier-added radioactive tin from irradiated intermetallic Ti-Sb targets

#392
20100059910
2010-03-11

Apparatus for recycling metal from metal ions containing waste solution

#393
20100059909
2010-03-11

Apparatus for Recycling Noble Metals

#394
20100055011
2010-03-04

Method for recovering ruthenium

#395
20100044631
2010-02-25

Arsenic-containing solid and method for producing it

#396
20090304561
2009-12-10

Reactor for separating aluminium from multi-layer film materials

#397
20090301260
2009-12-10

Efficient process for previous metal recovery from cell membrane electrode assemblies

#398
20090293673
2009-12-03

POWDERED METALS EXTRACTED FROM ACID MINE DRAINAGE AND THEIR USE IN THE MANUFACTURE OF PRESSED METAL ARTICLES

#399
20090277305
2009-11-12

Recovery of rhenium

#400
20090266542
2009-10-29

Capillary injector

#401
20090257931
2009-10-15

METHOD OF RECOVERING NOBLE METALS AND RECOVERING SYSTEM FOR NOBLE METALS

#402
20090191107
2009-07-30

PROCESSES FOR THE RECOVERY OF RUTHENIUM FROM MATERIALS CONTAINING RUTHENIUM ORRUTHENIUM OXIDES OR FROM RUTHENIUM-CONTAINING NOBLE METAL ORE CONCENTRATES

#403
20090180945
2009-07-16

Liquid and solid effluent treatment process

#404
20090148366
2009-06-11

Magnesium Oxide Recovery

#405
20090148364
2009-06-11

Method for Increasing the Yield When Chlorinating Titaniferous Raw Materials

#406
20090136399
2009-05-28

Process for recovering base metals from spent hydroprocessing catalyst

#407
20090118565
2009-05-07

Method in connection with steel production

#408
20090110620
2009-04-30

Process for metals recovery from spent catalyst

#409
20090104107
2009-04-23

Methods of making and washing scorodite

#410
20090095686
2009-04-16

Process And System For Treating Waste From Aluminum Production Containing PAH And Fluoride Ions By Flotation And Stabilization

#411
20090095132
2009-04-16

PROCESSING OF METAL CHLORIDE SOLUTIONS AND METHOD AND APPARATUS FOR PRODUCING DIRECT REDUCED IRON

#412
20090071881
2009-03-19

Method for Production of Bulk Concentrate for Extracting Precious Metals

#413
20090039315
2009-02-12

Aqueous solutions containing metal cyanide for cyanide leaching for the winning of gold and silver

#414
20090029447
2009-01-29

Process for removing mercury from air or water

#415
20080317650
2008-12-25

Oxides of Manganese Processed in Continuous Flow Reactors

#416
20080293559
2008-11-27

Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste

#417
20080261477
2008-10-23

Method for collecting metal

#418
20080255402
2008-10-16

SYSTEM FOR SEPARATING AND EXTRACTING HEAVY METALS FROM POLLUTED LIQUID WASTE

#419
20080241410
2008-10-02

Method of recycling electroless nickel waste

#420
20080236457
2008-10-02

Method for treating bottom ash

#421
20080233724
2008-09-25

Recycling of electrochemical-mechanical planarization (ECMP) slurries/electrolytes

#422
20080221248
2008-09-11

Method for preparing surface-imprinted polymer microspheres having a core-shell form for selective separation of heavy metal ions

#423
20080103348
2008-05-01

Processes for treatment of solid wastes containing heavy metals

#424
20080087553
2008-04-17

Method of extracting hexavalent chromium

#425
20080083623
2008-04-10

METHOD AND APPARATUS FOR TREATMENT OF PLATING SOLUTIONS

#426
20080075644
2008-03-27

Method of producing iron-arsenic compound excellent in crystallinity

#427
20080019891
2008-01-24

Copper recoery method and system therefor

#428
20070264178
2007-11-15

Waste solids handling

#429
20070256931
2007-11-08

Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor

#430
20070244225
2007-10-18

Treatment of aqueous compositions containing contaminants

#431
20070224097
2007-09-27

Methods of treatment of chromite ore processing residue

#432
20070221246
2007-09-27

Method for dissolving oilfield scale

#433
20070196725
2007-08-23

Method for the mixed recycling of lithium-based anode batteries and cells

#434
20070104628
2007-05-10

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

#435
20070036699
2007-02-15

Method of extracting contaminants from solid matter

#436
20070025899
2007-02-01

Process for metals recovery from spent catalyst

#437
20060254388
2006-11-16

Method of removing coating from coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating

#438
20060243604
2006-11-02

Method and apparatus for treating waste water

#439
20060183958
2006-08-17

Process for the treatment of waste metal chlorides

#440
20060182675
2006-08-17

Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate

#441
20060148933
2006-07-06

Treatment of aqueous compositions containing contaminants

#442
20060127291
2006-06-15

High density, high stability, sized metal oxide powder and process for making same

#443
20060123952
2006-06-15

Process and apparatus for extracting zinc

#444
20060068112
2006-03-30

Recycling process for boron nitride

#445
20060037435
2006-02-23

Method for treating slag

#446
20050255017
2005-11-17

Method for separating platinum group element

#447
20050238549
2005-10-27

Electronic controls for pollutant removal

#448
20050230457
2005-10-20

Soldering process

#449
20050225014
2005-10-13

Filter extraction mechanism

#450
20050220697
2005-10-06

Simultaneous recovery of potassium chloride and KCL enriched edible salt

#451
20050207954
2005-09-22

Soil cleaning process

#452
20050147472
2005-07-07

Disposal of accumulated waste solids from processing of titanium-bearing ores

#453
20050112041
2005-05-26

Method for producing higher purity zinc oxide

#454
20050109636
2005-05-26

Process for producing a ready-to-use electrolyte

#455
20050103402
2005-05-19

Passivation of sulfidic iron-containing rock

#456
20050087107
2005-04-28

Building and other materials containing treated bauxite tailings and process for making same

#457
20050087040
2005-04-28

Method for recycling metals from swarf

#458
20050036930
2005-02-17

Method for inhibiting oxidation of metal sulfide-containing material

#459
18186584
2023-10-31

Gemini surfactant for use in recycling lithium batteries

#460
17122633
2025-05-20

Processing of PCD elements

#461
16200448
2019-10-08

Method of recovering materials bound to a metallic substrate using cryogenic cooling

#462
14868358
2016-08-30

Synthesis of nanoparticles of metals and metal oxides using plant seed extract

#463
14279240
2016-12-06

Systems and methods for changing the chemistry in heaps, piles, dumps and components