ClassID:

119499

C22B34/34 - CPC Classification

Classification description:

Obtaining refractory metals; Obtaining chromium, molybdenum or tungsten Obtaining molybdenum

Sub-classes:
Recent Application in this class:
#1
20250276328
2025-09-04

MAGNETIC SEPARATION OF PARTICLES SUPPORTED BY SPECIFIC SURFACTANTS

#2
20250179609
2025-06-05

LOW TEMPERATURE REDUCTION OF METAL OXIDES

#3
20250122594
2025-04-17

SYSTEM AND METHOD FOR PRODUCING MOLYBDENUM 99

#4
20230295767
2023-09-21

Low temperature reduction of metal oxides

#5
20230026044
2023-01-26

METHOD AND ARRANGEMENT FOR REDUCING IMPURITIES FROM A ROASTED MOLYBDENUM CONCENTRATE

#6
20220396851
2022-12-15

METHOD FOR PRODUCING COPPER METAL FROM COPPER CONCENTRATES WITHOUT GENERATING WASTE

#7
20220364205
2022-11-17

Method for extracting a refractory metal from an ore, a concentrate or a waste product

#8
20220119917
2022-04-21

METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM SILICATE-CONTAINING ORE

#9
20220119913
2022-04-21

METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM MINERAL ORES VIA PRESSURE OXIDATION

#10
20210407699
2021-12-30

System and method for producing molybdenum 99

#11
20210222268
2021-07-22

METHOD AND SYSTEM FOR TREATING MOLYBDENUM-CONTAINING SEWAGE IN MOLYBDENUM ORE AREA

#12
20210071283
2021-03-11

Opportunities for recovery augmentation process as applied to molybdenum production

#13
20200399738
2020-12-24

Method for clean metallurgy of molybdenum

#14
20200131047
2020-04-30

Process for the selective removal of copper compounds and other impurities with respect to molybdenum and rhenium, from molybdenite concentrates

#15
20200040428
2020-02-06

Separation of copper and molybdenum sulfides from pyrite using a sea water/desalinated water hybrid process

#16
20190360072
2019-11-28

Mineral processing method

#17
20190345200
2019-11-14

Peptide and use thereof

#18
20190145707
2019-05-16

Roasting furnace, use thereof and method for the processing of ores or concentrates

#19
20190136340
2019-05-09

Hydrometallurgical process and method for recovering metals

#20
20190105630
2019-04-11

Preparation of chitosan-based microporous composite material and its applications

#21
20190054458
2019-02-21

RECOVERY AND PRECIPITATION OF VARIOUS ELEMENTS AND COMPOUNDS

#22
20180305832
2018-10-25

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

#23
20180282837
2018-10-04

METHOD FOR EXTRACTING METALS FROM CONCENTRATED SULPHURATED MINERALS CONTAINING METALS BY DIRECT REDUCTION WITH REGENERATION AND RECYCLING OF THE REDUCING AGENT, IRON, AND OF THE FLUX, SODIUM CARBONATE

#24
20180274060
2018-09-27

Opportunities for recovery augmentation process as applied to molybdenum production

#25
20180142326
2018-05-24

Purification process

#26
20180017327
2018-01-18

Plant and method for recovering metals and/or metal oxides from industrial process waste, in particular refinery waste

#27
20170037492
2017-02-09

Molybdenum recovery from aqueous nitric acid solution by solvent extraction

#28
20160355937
2016-12-08

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

#29
20160333442
2016-11-17

Solvent extraction of transition metals

#30
20160271624
2016-09-22

Flotation reagents and flotation processes utilizing same

#31
20160199854
2016-07-14

Separation of copper minerals from pyrite using air-metabisulfite treatment

#32
20160153071
2016-06-02

Processes for recovering rare earth elements from aluminum-bearing materials

#33
20160002750
2016-01-07

Hydrometallurgical process for recovery of metals and/or semimetals from waste materials containing compound semiconductor materials and/or back contact materials and/or transparent electrically conducting oxides (TCOS)

#34
20150361527
2015-12-17

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

#35
20150315672
2015-11-05

RECOVERY AND PRECIPITATION OF VARIOUS ELEMENTS AND COMPOUNDS

#36
20150307965
2015-10-29

Processes for recovering rare earth elements from aluminum-bearing materials

#37
20150209864
2015-07-30

Method for synthesizing nanowires and nanofoam

#38
20150197826
2015-07-16

Hydrometallurgical process and method for recovering metals

#39
20150147247
2015-05-28

METHOD OF PRE-TREATING MOLYBDENITE CONTAINING COPPER

#40
20150144480
2015-05-28

Industrial microwave ultrasonic reactor chemical leaching method

#41
20150135903
2015-05-21

Processes for recovering metals from aqueous solutions

#42
20150111022
2015-04-23

Coating for metal cellular structure and method therefor

#43
20150104362
2015-04-16

METHODS AND APPARATUS FOR RECOVERING MOLYBDENUM IN URANIUM IN-SITU RECOVERY PROCESS

#44
20140373683
2014-12-25

Processes for recovering rare earth elements from various ores

#45
20140314641
2014-10-23

Flotation reagents and flotation processes utilizing same

#46
20140301918
2014-10-09

Process for recovery of technical grade molybdenum from diluted leaching acid solutions (PLS), with highly concentrated arsenic, from metallurgical residues

#47
20140286839
2014-09-25

Process for the selective removal of molybdenum from a solution containing it

#48
20140127095
2014-05-08

Processes for recovering metals from aqueous solutions

#49
20140037491
2014-02-06

Molybdenum metal powder

#50
20130312570
2013-11-28

Purification process

#51
20130302225
2013-11-14

Compositions and methods of using a ketoxime in a metal solvent extraction reagent

#52
20130283978
2013-10-31

Composition for collecting metal component

#53
20130247718
2013-09-26

Methods of metal extraction using oximes

#54
20130243673
2013-09-19

SEPARATION OF TUNGSTEN FROM AMMONIUM MOLYBDATE SOLUTIONS

#55
20130220078
2013-08-29

Method for leaching of copper and molybdenum

#56
20130206588
2013-08-15

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

#57
20130155581
2013-06-20

Retrieval of high value refractory metals from alloys and mixtures

#58
20130133485
2013-05-30

Method of oxidative leaching of molybdenum—rhenium sulfide ores and/or concentrates

#59
20120305208
2012-12-06

Process for recovering molybdate or tungstate from aqueous solutions

#60
20120300891
2012-11-29

Methods of separating medical isotopes from uranium solutions

#61
20120219478
2012-08-30

Methods of metal extraction from ammoniacal solutions using oximes

#62
20120219476
2012-08-30

Methods of metal extraction using oximes

#63
20120219475
2012-08-30

Compositions and methods of using a ketoxime in a metal solvent

#64
20120219474
2012-08-30

Metal solvent extraction reagents and use thereof

#65
20120204681
2012-08-16

MOLYBDENUM REFINING METHOD

#66
20120174709
2012-07-12

Manufacturing method of ferromolybdenum from molybdenite

#67
20120148461
2012-06-14

PROCESS FOR MULTI METAL SEPARATION FROM RAW MATERIALS AND SYSTEM FOR USE

#68
20120018376
2012-01-26

Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper

#69
20110250107
2011-10-13

Column geometry to maximize elution efficiencies for molybdenum-99

#70
20110223054
2011-09-15

Production of molybdenum metal powder

#71
20110192255
2011-08-11

COMPOSITION FOR COLLECTING METAL COMPONENT

#72
20110182786
2011-07-28

Hydrometallurgical process and method for recovering metals

#73
20110155651
2011-06-30

Separation of copper minerals from pyrite using air-metabisulfite treatment

#74
20110088513
2011-04-21

Method for solubilizing molybdenum oxide concentrates

#75
20110079108
2011-04-07

Method and apparatus for isolating the radioisotope molybdenum-99

#76
20110014097
2011-01-20

SYSTEM AND METHOD FOR CONVERSION OF MOLYBDENITE TO ONE OR MORE MOLYBDENUM OXIDES

#77
20110005354
2011-01-13

Processes for recovering metals from aqueous solutions

#78
20100098605
2010-04-22

Reduction of copper content in the molybdenite concentrate

#79
20100084327
2010-04-08

RECOVERY AND PRECIPITATION OF VARIOUS ELEMENTS AND COMPOUNDS

#80
20100021370
2010-01-28

Flotation reagents and flotation processes utilizing same

#81
20090320648
2009-12-31

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

#82
20090274598
2009-11-05

Process for recovering molybdate or tungstate from aqueous solutions

#83
20090126531
2009-05-21

Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same

#84
20080190243
2008-08-14

Molybdenum metal powders

#85
20080118422
2008-05-22

System and method for conversion of molybdenite to one or more molybdenum oxides

#86
20080067112
2008-03-20

METHODS FOR THE RECOVERY OF MOLYBDENUM

#87
20070138065
2007-06-21

Method to improve the cleaner froth flotation process

#88
20070108672
2007-05-17

METHOD FOR PRODUCING MOLYBDENUM METAL AND MOLYBDENUM METAL

#89
20070056909
2007-03-15

Method and apparatus for desorbing material

#90
20060182674
2006-08-17

Reduction of copper content in the molybdenite concentrate

#91
20060151072
2006-07-13

Molybdenum alloy x-ray targets having uniform grain structure

#92
20050072735
2005-04-07

Purification of ammonium metallate solutions

#93
20050019247
2005-01-27

Production of pure molybdenum oxide from low grade molybdenite concentrates

#94
15973555
2019-05-14

Method and apparatus for extracting high-purity molybdenum oxide powders and nanopowders from low-grade concentrates

#95
15358188
2017-03-21

Mercaptanized dicyclopentadiene compositions and use thereof as a mining chemical collector

#96
15090643
2017-01-10

Mercaptanized dicyclopentadiene compositions and use thereof as a mining chemical collector

#97
14876902
2016-09-20

Dipentene dimercaptan compositions and use thereof as a mining chemical collector