ClassID:

119258

C22B3/18 - CPC Classification

Classification description:

Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae

Recent Application in this class:
#1
20260132481
2026-05-14

BIOREACTOR SYSTEM TO PRODUCE METAL

#2
20260103773
2026-04-16

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

#3
20260035764
2026-02-05

MICROBIAL-ASSISTED HEAP LEACHING

#4
20260015687
2026-01-15

METHOD FOR RECOVERING RARE EARTH METAL

#5
20250333814
2025-10-30

APTAMER-BASED MINERAL AND METAL COLLECTION

#6
20250313916
2025-10-09

PREPARATION METHOD OF IONIC RARE EARTH LEACHING AGENT

#7
20250263810
2025-08-21

COMPOSITIONS, SYSTEMS, AND METHODS FOR EXTRACTION OF METALS FROM MINERALS

#8
20250230521
2025-07-17

Microbial Platform for Rare Earth Bioaccumulation

#9
20250197962
2025-06-19

MATERIALS AND METHODS FOR RECOVERING METALS FROM ORE

#10
20250179608
2025-06-05

METHOD FOR RECOVERING METAL FROM METAL ELEMENT-CONTAINING SUBSTANCE

#11
20250179607
2025-06-05

EXTRACTING BASE METALS USING A WETTING AGENT AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT

#12
20250109458
2025-04-03

SYSTEMS AND METHODS FOR SELECTIVE LEACHING OF MANGANESE FROM ORES

#13
20250092487
2025-03-20

METHODS FOR LIBERATING PRECIOUS METALS USING A REAGENT HAVING A THIOCARBONYL FUNCTIONAL GROUP

#14
20250059626
2025-02-20

METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM COAL AND CLAY ORES

#15
20250059619
2025-02-20

System and Process for Genetically Modifying Organisms and Leaching Metals Using Genetically Modified Organisms

#16
20250043387
2025-02-06

MATERIALS AND METHODS FOR INCREASING GOLD RECOVERY FROM LEACHATE SOLUTIONS

#17
20240417827
2024-12-19

METHODS FOR EXTRACTING RARE EARTH ELEMENTS FROM ION-ADSORPTION CLAYS

#18
20240384368
2024-11-21

METAL RECOVERY MATERIAL, AND METHOD FOR RECOVERING METAL FROM SOLUTION INCLUDING METAL ION OR METAL COMPLEX ION

#19
20240376564
2024-11-14

BIO-LEACHING COMPOSITIONS AND METHODS FOR MINING METALS

#20
20240368725
2024-11-07

COMPOSITIONS AND METHODS FOR BIOLOGICAL PRODUCTION AND HARVEST OF PRECIOUS METALS, PLATINUM GROUP ELEMENTS, AND RARE EARTH ELEMENTS

#21
20240344169
2024-10-17

METAL RECOVERING METHOD

#22
20240318278
2024-09-26

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

#23
20240318277
2024-09-26

A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES

#24
20240295006
2024-09-05

EXTRACTING BASE METALS USING A WETTING AGENT AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT

#25
20240287642
2024-08-29

PROCESS

#26
20240279774
2024-08-22

COMPOSITIONS COMPRISING PROTEINS AND METHODS OF USE THEREOF FOR RARE EARTH ELEMENT SEPARATION

#27
20240274914
2024-08-15

METHOD OF RECOVERING METAL IONS FROM BATTERIES

#28
20240271249
2024-08-15

Heap Leaching an Ore

#29
20240254591
2024-08-01

PROCESSES AND METHODS FOR BIO-EXTRACTION OF TRACE METALS FROM METAL-OXIDE CONTAINING MATERIALS

#30
20240229188
2024-07-11

SYSTEMS AND METHODS FOR EXTRACTING RARE EARTH ELEMENTS WITH ENGINEERED MICROORGANISMS

#31
20240229187
2024-07-11

NOVEL PSEUDOMONAS STRAIN FOR METAL RECOVERY

#32
20240209472
2024-06-27

SYSTEMS AND METHODS FOR THE BINDING OF RARE EARTH ELEMENTS BY BETA ROLL PEPTIDES

#33
20240200163
2024-06-20

Method for Recovering Metal

#34
20240183001
2024-06-06

LIGNIN-BASED COMPOSITIONS AND RELATED HEAVY METAL RECOVERY METHODS

#35
20240167118
2024-05-23

Methods and Preparation of M13 Phage for Passive Recovery of Rare Earth Elements

#36
20240141457
2024-05-02

Method for biological recovery of metals from electrical and electronic waste

#37
20240132993
2024-04-25

SYSTEMS AND METHODS FOR EXTRACTING RARE EARTH ELEMENTS WITH ENGINEERED MICROORGANISMS

#38
20240132992
2024-04-25

NOVEL PSEUDOMONAS STRAIN FOR METAL RECOVERY

#39
20240035113
2024-02-01

Microbial-assisted Heap Leaching

#40
20230416866
2023-12-28

Metal Recovery Agent, Metal Compound Recovery Agent, and Method for Recovering Metal or Metal Compound

#41
20230407435
2023-12-21

OXIDATIVE BIOLEACHING OF BASE METALS

#42
20230339824
2023-10-26

ECOLOGICAL RELEASE OF ELEMENTS AND DEGRADATION OF ORGANICS USING HETEROTROPHIC MICROORGANISMS OUT OF MULTIPLE CARRIER MATERIALS

#43
20230321596
2023-10-12

METHOD FOR WET REMOVAL OF SULFUR DIOXIDE BY SILICATE BACTERIA-ENHANCED PULP

#44
20230227936
2023-07-20

Extracting base metals using a wetting agent and a thiocarbonyl functional group reagent

#45
20220348619
2022-11-03

RARE EARTH ELEMENT (REE)-BINDING PROTEINS

#46
20220178002
2022-06-09

PROCESSES AND SYSTEMS OF RECOVERY OF RARE EARTH ELEMENTS AND/OR LITHIUM BY MARINE MACROALGAE

#47
20210332392
2021-10-28

COMPOSITIONS AND METHODS OF USE THEREOF FOR SCANDIUM SEPARATION FROM RARE EARTH CONTAINING MATERIAL

#48
20210262059
2021-08-26

OPTIMIZED BIOPROCESSING METHOD

#49
20210252566
2021-08-19

MINIMIZATION OF ROCK PILE LEACHATE FORMATION AND METHODS OF TREATING ROCK PILE LEACHATES

#50
20210237006
2021-08-05

Method of preparing activated mineral solution

#51
20210221719
2021-07-22

Engineered yeast as a method for bioremediation

#52
20200346224
2020-11-05

MINERAL BENEFICIATION METHOD USING BIOREAGENT EXTRACTED FROM GRAM POSITIVE BACTERIA

#53
20200340077
2020-10-29

Recovery of copper from heap leach residues

#54
20200340076
2020-10-29

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

#55
20200277684
2020-09-03

Compositions and methods of use thereof for rare earth element separation

#56
20200263275
2020-08-20

Process for recovering metal from electronic waste

#57
20200216503
2020-07-09

Species of genus

#58
20200165698
2020-05-28

Process for recovering precious metals from secondary resources

#59
20200157577
2020-05-21

Method for decomposition of the metallorganic matter of graptolite-argillite by microbial consortium

#60
20200115772
2020-04-16

Biological ore processing for the isolation of heavy metals

#61
20200048732
2020-02-13

Metal recovery process

#62
20200002782
2020-01-02

METAL RECOVERY AGENT, METAL COMPOUND RECOVERY AGENT, AND METHOD FOR RECOVERING METAL OR METAL COMPOUND

#63
20190382869
2019-12-19

Heap Leaching

#64
20190345201
2019-11-14

Peptide binding to arsenic-containing mineral and use thereof

#65
20190292627
2019-09-26

Process for recovering metal

#66
20190284657
2019-09-19

Methods and systems for leaching a metal-bearing ore using a bio-augmentation process

#67
20190194600
2019-06-27

NOVEL CULTIVATION SYSTEM FOR THE EFFICIENT PRODUCTION OF MICROORGANISMS

#68
20190127822
2019-05-02

Leaching copper-containing ores

#69
20190119778
2019-04-25

Engineered microbes for rare earth element adsorption

#70
20190024209
2019-01-24

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

#71
20180363100
2018-12-20

Heap leaching

#72
20180251872
2018-09-06

Biotechnological procedure to remove magnetic sulfur impurities from iron concentrate ores

#73
20180237321
2018-08-23

Engineered yeast as a method for bioremediation

#74
20180195147
2018-07-12

Engineered microbes for rare earth element adsorption

#75
20180073100
2018-03-15

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

#76
20180057910
2018-03-01

Biological ore processing for the isolation of heavy metals

#77
20180002781
2018-01-04

Method of leaching copper from copper sulfide ore and method of evaluating iodine loss content of column leaching test of the copper sulfide ore

#78
20170335275
2017-11-23

COPPER SULPHIDE LEACHING IN FERROUS CHLORIDE MEDIUM WITH BACTERIA

#79
20170175223
2017-06-22

BIOLEACHING METHOD AND FACILITY

#80
20170159153
2017-06-08

Leaching aids and methods of using leaching aids

#81
20170088827
2017-03-30

BACTERIAL STRAIN FOR LEAD PRECIPITATION

#82
20170073632
2017-03-16

Feed material for biomass generator

#83
20170058377
2017-03-02

BIOTECHNOLOGICAL PROCEDURE TO REMOVE MAGNETIC SULFUR IMPURITIES FROM IRON CONCENTRATE ORES

#84
20160376680
2016-12-29

Processing and application of a purification system for a new alternative source of energy

#85
20160319394
2016-11-03

Noble metal recovery method

#86
20160273060
2016-09-22

BACTERIAL STRAIN, CUTIPAY, ISOLATED FROM THE SULFOBACILLUS THERMOSULFIDOOXIDANS SPECIES, BACTERIAL INOCULUM COMPRISING SAME, AND METHOD FOR THE BIOLEACHING OF MINERALS WHERE SAID BACTERIAL INOCULUM IS INOCULATED

#87
20160201161
2016-07-14

Polymer support and method of leaching of mineral concentrates

#88
20160160317
2016-06-09

METHOD AND SYSTEM FOR REMOVING SILICA FROM AN ORE

#89
20160159934
2016-06-09

Uses of certain platinoid accumulating plants for use in organic chemical reactions

#90
20160145717
2016-05-26

PROCESS OF ISOLATING RARE EARTH ELEMENTS

#91
20160138128
2016-05-19

METHOD FOR BIOLEACHING A METAL PRESENT IN A MATERIAL

#92
20160115564
2016-04-28

Method for bioleaching and solvent extraction with selective recovery of copper and zinc from polymetal concentrates of sulfides

#93
20160068927
2016-03-10

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

#94
20160032420
2016-02-04

METHODS FOR TREATING CARBON MATERIALS INCLUDING CARBONACEOUS ORES

#95
20160017459
2016-01-21

Systems and methods for separating and recovering rare earths

#96
20150361523
2015-12-17

USE OF OXYGENATED OR POLYOXYGENATED INORGANIC WEAK ACIDS, OR DERIVATIVES, RESIDUES AND WASTE THEREOF, IN ORDER TO INCREASE THE RECOVERY OF COPPER AND/OR THE CONCENTRATION OF COPPER IN PROCESSES FOR THE LEACHING OR BIOLEACHING OF COPPER MINERALS

#97
20150360984
2015-12-17

Processing and application of a purification system for gold mining, extraction of minerals and growth of algae biomass

#98
20150354024
2015-12-10

Methods for binding and precipitating gold using microbial-derived metallophores and their uses

#99
20150337410
2015-11-26

Heap leaching

#100
20150329936
2015-11-19

Method for recovery of metals from sulfide ores

#101
20150329935
2015-11-19

Method for recovering tungsten compound

#102
20150322544
2015-11-12

Brine leaching process for recovering valuable metals from oxide materials

#103
20150322541
2015-11-12

A METHOD OF ADAPTATION OF A BACTERIAL CULTURE AND LEACHING PROCESS

#104
20150315670
2015-11-05

METHOD FOR METAL CONCENTRATION, METHOD FOR METAL RECOVERY, DEVICE FOR METAL CONCENTRATION, AND DEVICE FOR METAL RECOVERY

#105
20150275328
2015-10-01

Method of mineral leaching

#106
20150275324
2015-10-01

Capsules of viable biomining microorganisms, with alginate and iron ions called biosigma bioleaching seeds (BBS) and their use for inoculation of these microorganisms in bioleaching processes

#107
20150267276
2015-09-24

Removal of arsenic using a dissimilatory arsenic reductase

#108
20150225809
2015-08-13

Methods and systems for leaching a metal-bearing ore

#109
20150130116
2015-05-14

Capsule for non-ferrous metal collection and method for collecting non-ferrous metal

#110
20150079661
2015-03-19

Feed material for biomass generator

#111
20140239561
2014-08-28

Bioleaching bioreactor with a system for injection and diffusion of air

#112
20140127789
2014-05-08

LEACH PROCESS

#113
20130288330
2013-10-31

CAPSULE FOR NON-FERROUS METAL COLLECTION AND METHOD OF COLLECTING NON-FERROUS METAL

#114
20130106001
2013-05-02

Heap leaching aeration system

#115
20130089378
2013-04-11

Ore leaching method for metals recovery

#116
20130058846
2013-03-07

Method for processing acidic solution that contains iodide ions and iron ions

#117
20120301392
2012-11-29

Heap leaching

#118
20120237995
2012-09-20

Process of treatment for oxidizing an acidic solution containing an iodide ion and an iron (II) ion

#119
20120208257
2012-08-16

Additive for bioleaching that is substantially made up of the Licanantase lipoprotein, and bioleaching process to which this additive is added to increase the recovery of copper

#120
20120128554
2012-05-24

Methods for agglomerating ores

#121
20120118110
2012-05-17

Methods and systems for leaching a metal-bearing ore for the recovery of a metal value

#122
20120067172
2012-03-22

Metal recovery method using protonemata of moss plants

#123
20120000318
2012-01-05

HIGH TEMPERATURE HEAP BIOLEACHING PROCESS

#124
20110298270
2011-12-08

IN SITU ORE LEACHING USING FREEZE BARRIERS

#125
20110229385
2011-09-22

Method of leaching copper sulfide ore

#126
20110207193
2011-08-25

Microorganisms, selenium acid compound-reducing agent, method for reducing and method for removing selenium acid compound, and process for producing metallic selenium

#127
20110201095
2011-08-18

Method of treating a sulphide mineral

#128
20110136125
2011-06-09

Method for the identification and quantification of microorganisms useful in biomining processes

#129
20110129891
2011-06-02

Process for Controlled Homogeneous Acid Leaching

#130
20110045581
2011-02-24

BIOREACTOR FOR CONTINUOUS PRODUCTION OF BIOLEACHING SOLUTIONS FOR INOCULATION AND IRRIGATION OF SULFIDE-ORE BIOLEACHING HEAPS AND DUMPS

#131
20110033913
2011-02-10

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

#132
20110023662
2011-02-03

High temperature leaching process

#133
20100313713
2010-12-16

Method of leaching copper sulfide ore

#134
20100199808
2010-08-12

Method for recovering metal values from refractory sulfide ore

#135
20100180729
2010-07-22

Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals

#136
20100126314
2010-05-27

High temperature heap bioleaching process

#137
20100120123
2010-05-13

Accelerated Heat Generation in Heap Bioleaching By Controlled Carbon Dioxide Addition

#138
20100058894
2010-03-11

Methods and systems for leaching a metal-bearing ore for the recovery of a metal value

#139
20090320648
2009-12-31

Recovery of molybdenum from molybdenum bearing sulfide materials by bioleaching in the presence of iron

#140
20090241734
2009-10-01

METHOD OF LEACHING COPPER SULFIDE ORES CONTAINING CHALCOPYRITE

#141
20090235784
2009-09-24

PRE-TREATMENT OF FEED TO NON-STIRRED SURFACE BIOREACTOR

#142
20090209027
2009-08-20

INTRODUCTION OF MICROORGANISMS IN BIO-ASSISTED HEAP LEACHING OPERATIONS

#143
20090158893
2009-06-25

MICROBIAL PRE-TREATMENT OF DOUBLE REFRACTORY GOLD ORES

#144
20090126532
2009-05-21

High temperature heap bioleaching process

#145
20090068076
2009-03-12

Nickel sulphide precipitation process

#146
20090061503
2009-03-05

Heap leaching of sulphide ores

#147
20090054249
2009-02-26

DNA fragments array from biomining microorganisms and method for detection of them

#148
20090035833
2009-02-05

Method for recovering metal values from refractory sulfide ore

#149
20090029447
2009-01-29

Process for removing mercury from air or water

#150
20090004728
2009-01-01

Method of biotreatment for solid materials in a nonstirred surface bioreactor

#151
20080311647
2008-12-18

Method of biotreating a solid material comprising an organic compound

#152
20080311605
2008-12-18

KIT AND METHOD TO PERFORM A BIOLOGICAL TEST DESIGNED TO EVALUATE MINERALS POTENTIAL FOR BEING BIOLEACHED

#153
20080284068
2008-11-20

Heap or Dump Leaching System Having an Air Distributor

#154
20080223176
2008-09-18

Metal recovery from a tank bioleaching solution with the use of coated magnetic particles

#155
20080207462
2008-08-28

DNA fragments array from biomining microorganisms and method for detection of them

#156
20080178706
2008-07-31

Heap bioleaching process

#157
20080173133
2008-07-24

Bioleaching Process Control

#158
20080134364
2008-06-05

Recovering metals from soil

#159
20080127779
2008-06-05

Process to increase the bioleaching speed of ores or concentrates of sulfide metal species, by means of continuous inoculation with leaching solution that contains isolated microorganisms, with or without presence of native microorganisms

#160
20080102515
2008-05-01

USE OF MINING WASTE AND CONCENTRATES CONTAINING PYRITE, IN THE CULTURE OF IRON-OXIDIZING AND SULFUR-OXIDIZING MICROORGANISMS AS AN ENERGY SOURCE FOR BACTERIAL GROWTH

#161
20080102514
2008-05-01

REACTOR FOR THE CULTURE, BIOOXIDATION OF SOLUTIONS AND/OR LARGE-SCALE PROPAGATION OF ISOLATED MICROORGANISMS AND/OR NATIVE MICROORGANISMS THAT ARE USEFUL IN ORE LEACHING

#162
20080069748
2008-03-20

MULTIVALENT IRON ION SEPARATION IN METAL RECOVERY CIRCUITS

#163
20080026450
2008-01-31

Method of leaching copper sulfide ores containing chalcopyrite

#164
20070264703
2007-11-15

Microorganism and Method for Leaching Mineral Sulphides

#165
20070251352
2007-11-01

Pelletized Feed Material for Biomass Generator

#166
20070202584
2007-08-30

Chloride ion-resistant sulfur-oxidizing bacteria

#167
20070193413
2007-08-23

Heap bioleaching process for the extraction of zinc

#168
20070172935
2007-07-26

Tank Bioleaching Process

#169
20070169587
2007-07-26

Optimization of bioleaching process

#170
20070125199
2007-06-07

High temperature heap bioleaching process

#171
20070107550
2007-05-17

Method for recovering metal values from concentrates of sulfide minerals

#172
20070098628
2007-05-03

Methods and apparatus for processing mixtures of liquids and solids

#173
20070054300
2007-03-08

Method for the identification and quantification of microorganisms useful in biomining processes

#174
20070042482
2007-02-22

Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals

#175
20070028721
2007-02-08

Treatment of base metal concentrate by a two-step bioleaching process

#176
20070028334
2007-02-01

Thlaspi caerulescens subspecies for cadmium and zinc recovery

#177
20060248983
2006-11-09

Heap leach

#178
20060090602
2006-05-04

Heap leaching

#179
20060035356
2006-02-16

Introduction of microorganisms in bio-assisted heap leaching operations

#180
20060002834
2006-01-05

Processing of acid-consuming mineral materials involving treatment with acidic biooxidation effluent

#181
20050232835
2005-10-20

Anti-oxidation method for sulfide minerals in sulfide ore

#182
20050211019
2005-09-29

Heap leach process

#183
20050136527
2005-06-23

Method of and apparatus for simulating a biological heap leaching process

#184
20050112741
2005-05-26

Method of biotreatment for solid materials in a nonstirred surface bioreactor

#185
20050103162
2005-05-19

High temperature heap bioleaching process

#186
20050082221
2005-04-21

Contaminant removal by additional ferns

#187
20050066773
2005-03-31

Heap bioleaching process for the extraction of zinc

#188
20050048907
2005-03-03

Air distributor for a bioleaching system

#189
20050044990
2005-03-03

Recovery of copper from chalcopyrite

#190
20050009170
2005-01-13

Preparation of metal nanoparticles in plants

#191
20050005737
2005-01-13

Method for recovering metal values from concentrates of sulfide minerals