ClassID:

119324

C22B11/042 - CPC Classification

Classification description:

Obtaining noble metals by wet processes Recovery of noble metals from waste materials

Sub-classes:
Recent Application in this class:
#1
20250320579
2025-10-16

METHOD FOR PROCESSING ROUGH COPPER CONCENTRATES FROM WASTE TAILINGS

#2
20250043388
2025-02-06

METHOD FOR RECOVERY OF SILVER IONS FROM AQUEOUS COMPOSITIONS

#3
20240318278
2024-09-26

Environmentally-Friendly Compositions and Methods for Extracting Minerals and Metals from Ore

#4
20240309488
2024-09-19

METHOD FOR REDUCTIVE EXTRACTION OF IRIDIUM, RHODIUM AND/OR RUTHENIUM

#5
20240301532
2024-09-12

SELECTIVE METAL RECOVERY

#6
20240175156
2024-05-30

A PROCESS FOR PRECIPITATING PARTICLES OF PLATINUM GROUP METALS

#7
20240018624
2024-01-18

METHOD FOR SELECTIVE EXTRACTION OF GOLD BY NIACIN

#8
20230340681
2023-10-26

METHOD FOR CLEAN RECOVERY OF PALLADIUM

#9
20230234027
2023-07-27

Three-dimensional alkynyl-containing porous aromatic framework polymer and preparation method and use thereof

#10
20230080921
2023-03-16

EXTRACTION OF COPPER, GOLD AND OTHER ELEMENTS FROM WASTE MATERIALS

#11
20230037130
2023-02-02

Method for disposal of waste printed circuit board thermal cracking slag and smelting soot

#12
20220389537
2022-12-08

Method for recovering precious metal

#13
20220349023
2022-11-03

Noble metal extraction method and apparatus

#14
20220251679
2022-08-11

METAL RECOVERY USING MOLTEN SALT AND RELATED SYSTEMS

#15
20220235434
2022-07-28

SIMPLIFIED METHOD OF GOLD RECOVERY FROM ELECTRONIC WASTE

#16
20220235433
2022-07-28

SIMPLIFIED METHOD OF GOLD RECOVERY FROM ELECTRONIC WASTE

#17
20220228235
2022-07-21

Method for recycling silver present on a photovoltaic cell

#18
20220205061
2022-06-30

MATERIALS AND PROCESSES FOR RECOVERING PRECIOUS METALS

#19
20220162724
2022-05-26

Recovery of PGMs and chromite from mixed PGM/CR ores

#20
20220154307
2022-05-19

CONJUGATED POLYMERS FOR THE SELECTIVE ELECTROLESS RECOVERY OF GOLD AND SILVER FROM SOLUTIONS

#21
20220136083
2022-05-05

MERCURY COLLECTION SYSTEM

#22
20210395858
2021-12-23

Method for the recovery of palladium

#23
20210260603
2021-08-26

Iron chelators as activators in alkaline flotation circuits

#24
20210130925
2021-05-06

Metal recovery method using adsorbent

#25
20210010102
2021-01-14

Metal cementing apparatus and continuous cementation method by means of same

#26
20200340076
2020-10-29

Environmentally-friendly compositions and methods for extracting minerals and metals from ore

#27
20200230573
2020-07-23

Silica aggregate, adsorbent, adsorption column, cleaning system, method for treating liquid, and method for producing silica aggregate

#28
20200141016
2020-05-07

Method of recovering Pt or Ag or Pt and Ag from sulfate based metal solutions

#29
20200115772
2020-04-16

Biological ore processing for the isolation of heavy metals

#30
20200048734
2020-02-13

RECOVERY OF GOLD AND/OR SILVER

#31
20190352741
2019-11-21

METHOD OF DETECTION AND EXTRACTING METALS FROM ORE-BEARING SLURRY

#32
20190284062
2019-09-19

Radiation source for intra-lumen imaging capsule

#33
20190233917
2019-08-01

Methods, Materials and Techniques for Precious Metal Recovery

#34
20190032170
2019-01-31

Method for comprehensive recovery of silver-containing lead slag

#35
20180258511
2018-09-13

Process for the production of metallic gold nanoparticles from na efluente arising from acid mine drainage bioremediation

#36
20180073103
2018-03-15

Recovery of gold from solution

#37
20180073100
2018-03-15

Biological processing of scrap metal, household waste and/or industrial waste for the isolation of heavy metals

#38
20180057910
2018-03-01

Biological ore processing for the isolation of heavy metals

#39
20180021743
2018-01-25

Process for the recovery of gold from anode slimes

#40
20170327927
2017-11-16

Method for leaching precious metal contained in decopperized anode slime

#41
20170275733
2017-09-28

METHOD FOR PLATINUM RECOVERY FROM MATERIALS CONTAINING RHENIUM AND PLATINUM METALS

#42
20170198370
2017-07-13

Hydrometallurgical treatment of anode sludge

#43
20170145541
2017-05-25

Process for extracting noble metals from anode slime

#44
20170101699
2017-04-13

RECOVERY OF GOLD AND/OR SILVER FROM SCRAP

#45
20170088964
2017-03-30

SYSTEM AND METHOD FOR RECOVERING METAL FROM METAL-CONTAINING WASTE LIQUID

#46
20170058381
2017-03-02

Method for separation of chemically pure Os from metal mixtures

#47
20160244862
2016-08-25

Process for the selective recovery of lead and silver

#48
20160068927
2016-03-10

Method of preparing a gold-containing solution and process arrangement for recovering gold and silver

#49
20160053343
2016-02-25

Method for concentrating metals from scrap containing metal

#50
20150251145
2015-09-10

Process for the recovery of gold from anode slimes

#51
20140331822
2014-11-13

Process of leaching gold

#52
20140328736
2014-11-06

Method for separation of chemically pure Os from metal mixtures

#53
20140193316
2014-07-10

Method for recycling metals

#54
20140165786
2014-06-19

Method for the removal and recovery of metals and precious metals from substrates

#55
20140154156
2014-06-05

Recovery of reusable osmium tetroxide

#56
20140109725
2014-04-24

Process for the recovery of gold from anode slimes

#57
20140096649
2014-04-10

Alkaline and acid pressure oxidation of precious metal-containing materials

#58
20130319178
2013-12-05

Process for separating at least one platinoid element from an acidic aqueous solution comprising, besides this platinoid element, one or more other chemical elements

#59
20130283978
2013-10-31

Composition for collecting metal component

#60
20130180363
2013-07-18

METHOD FOR EFFICIENTLY RECOVERING PLATINUM GROUP ELEMENTS FROM COPPER-IRON SCRAP

#61
20130139648
2013-06-06

Recovery Method for High Purity Platinum

#62
20130104701
2013-05-02

Method for recovering gold by solvent extraction

#63
20130089477
2013-04-11

Method and apparatus for recovering rare metal

#64
20130026049
2013-01-31

METHOD FOR RECOVERING VALUABLE METALS

#65
20120304828
2012-12-06

Process of leaching gold

#66
20120292201
2012-11-22

Stripping gold components and the method of stripping gold

#67
20120274008
2012-11-01

OXYGEN TORCH RECLAMATION OF METALS WITH NITRIC ACID RECOVERY

#68
20120164039
2012-06-28

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

#69
20120128528
2012-05-24

Alkaline and acid pressure oxidation of precious metal-containing materials

#70
20120125853
2012-05-24

Method for collecting metal

#71
20120067172
2012-03-22

Metal recovery method using protonemata of moss plants

#72
20120036962
2012-02-16

Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same

#73
20110308356
2011-12-22

METHOD FOR SORPTION RECOVERY OF PRECIOUS METALS

#74
20110274598
2011-11-10

SUSTAINABLE RECOVERY OF METAL COMPOUNDS

#75
20110253552
2011-10-20

Method of electrochemical dissolution of ruthenium-cobalt-based alloy

#76
20110192255
2011-08-11

COMPOSITION FOR COLLECTING METAL COMPONENT

#77
20110174112
2011-07-21

Method for the recovery of nobel metals

#78
20110174111
2011-07-21

Method of mineral raw materials processing

#79
20110088512
2011-04-21

Method of precious metal recovery

#80
20110083531
2011-04-14

SELECTIVE GOLD EXTRACTION FROM COPPER ANODE SLIME WITH AN ALCOHOL

#81
20110017022
2011-01-27

Method of recovering metal

#82
20110011215
2011-01-20

Rare metal extractant

#83
20100314242
2010-12-16

Method for Recovering Gold, Silver, Copper and Iron from Plasma-Caused Slag Containing Valuable Metals

#84
20100288079
2010-11-18

Method for recovering catalytic elements from fuel cell membrane electrode assemblies

#85
20100276354
2010-11-04

Systems and methods for removing contaminate material from a flowable material

#86
20100255315
2010-10-07

EPOXY RESIN COMPOSITION

#87
20100252966
2010-10-07

PRECIOUS METAL RECOVERY DEVICE

#88
20100252078
2010-10-07

Apparatus for Recycling Noble Metals

#89
20100242681
2010-09-30

Method for concentration of gold in copper sulfide minerals

#90
20100224029
2010-09-09

Method for separation and recovery of noble metals

#91
20100180730
2010-07-22

Method of separating rhodium from platinum and/or palladium

#92
20100059909
2010-03-11

Apparatus for Recycling Noble Metals

#93
20100055011
2010-03-04

Method for recovering ruthenium

#94
20090288518
2009-11-26

Recycling process for moulded catalyst bodies

#95
20090158894
2009-06-25

Method for recovering gold

#96
20090158891
2009-06-25

PROCESS FOR RECOVERING PLATINUM GROUP METALS, RHENIUM AND GOLD

#97
20090123350
2009-05-14

Recovery of precious metals and their compounds from natural quartz ore using sodium silicate manufacturing techniques

#98
20090114600
2009-05-07

Metal compound removal

#99
20090071881
2009-03-19

Method for Production of Bulk Concentrate for Extracting Precious Metals

#100
20090007729
2009-01-08

Method of precious metal recovery

#101
20080261477
2008-10-23

Method for collecting metal

#102
20080236337
2008-10-02

Method for recovering rhodium

#103
20080110296
2008-05-15

Process for recovering platinum group metals, rhenium and gold

#104
20070256931
2007-11-08

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

#105
20070227903
2007-10-04

Precious Metal Recovery

#106
20070202025
2007-08-30

Method For Recovery Of Palladium

#107
20070104628
2007-05-10

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

#108
20070065353
2007-03-22

Method of homogenization and, optionally, analysis for processing moist noble metal-containing recycling materials with an unknown noble metal content

#109
20070062335
2007-03-22

Method for processing anode sludge

#110
20070039419
2007-02-22

Treatment of reclaim water for use in metals recovery

#111
20060151399
2006-07-13

Metal compound removal

#112
20050255017
2005-11-17

Method for separating platinum group element

#113
20050188791
2005-09-01

Process to recover base metals

#114
20050160877
2005-07-28

Method for the recovery of gold

#115
20050067299
2005-03-31

Electrolytic method in diaphragm-type cell

#116
15440077
2017-08-29

Compounds and methods for the reduction of halogenated hydrocarbons

#117
15003265
2016-08-30

Method for synthesizing noble metal nanoparticles using dead cancer cells

#118
14868358
2016-08-30

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