ClassID:

35678

B03D1/012 - CPC Classification

Classification description:

Flotation; Flotation agents; Organic compounds containing sulfur

Recent Application in this class:
#1
20260145179
2026-05-28

BIS-LIGAND CHALCOPYRITE COLLECTOR AND PREPARATION METHOD AND APPLICATION THEREOF

#2
20260077364
2026-03-19

COLLECTOR COMPOSITION FOR BENEFICIATING CARBONACEOUS PHOSPHATE ORES

#3
20260070068
2026-03-12

AMMONIATED POLYCARBAMIDE SEPARATION AIDS FOR MINERAL FLOTATION

#4
20260008925
2026-01-08

MERCAPTIDE MICROEMULSIONS

#5
20260001783
2026-01-01

ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGED CATIONS FROM AQUEOUS OR AQUEOUS/OIL MIXED PHASE VIA INCREASED VISCOELASTICITY

#6
20250332599
2025-10-30

MERCAPTIDE MICROEMULSIONS COLLECTORS FOR MINERAL FLOTATION

#7
20250235878
2025-07-24

STABLE IONIC XANTHATE COMPOSITIONS IN AQUEOUS SOLUTION

#8
20240376047
2024-11-14

COLLECTOR, FLOTATION METHOD, AND COMPOUND

#9
20240286929
2024-08-29

ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGED CATIONS FROM AQUEOUS OR AQUEOUS/OIL MIXED PHASE VIA INCREASED VISCOELASTICITY

#10
20240149277
2024-05-09

DITHIOCARBAMATE DEPRESSANTS, METHODS AND USES THEREOF IN FROTH FLOTATION MINERAL SEPARATION

#11
20240149276
2024-05-09

APPLICATION OF SELENIUM-CONTAINING ORGANIC COMPOUNDS IN COPPER SULFIDE FLOTATION COLLECTORS

#12
20230338971
2023-10-26

METHOD FOR SELECTIVELY RECOVERING ARSENIC-CONTAINING COPPER MINERAL, AND FLOTATION AGENT USED IN SAME

#13
20230143136
2023-05-11

SODIUM PETROLEUM SULFONATE COLLECTOR FOR FLUORITE FLOTATION AND ITS PREPARATION AND APPLICATION METHOD

#14
20220388013
2022-12-08

Mining Collectors

#15
20220184630
2022-06-16

MySx/ZSH MIXTURE AS SULFIDIZING AGENT

#16
20220062919
2022-03-03

METHODS AND COMPOSITIONS FOR PROCESSING SULFIDE ORES

#17
20210276023
2021-09-09

ALKYL THIOETHER ETHYL HYDROXAMIC ACID BENEFICIATION REAGENT AND PREPARATION METHOD AND APPLICATION THEREOF

#18
20210197211
2021-07-01

BENEFICIATION OF PHOSPHATE FROM PHOSPHATE CONTAINING ORES

#19
20210171759
2021-06-10

SULFONATED MODIFIERS FOR FROTH FLOTATION

#20
20210155791
2021-05-27

SULFONATED MODIFIERS FOR FROTH FLOTATION

#21
20210017046
2021-01-21

Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity

#22
20210002218
2021-01-07

Method for preparing thionocarbamate and co-producing 2-mercaptoethanol or O-alkylthioethyl xanthate

#23
20200391224
2020-12-17

REAGENT FOR SEDIMENTARY PHOSPHATE FLOTATION

#24
20200316613
2020-10-08

Mineral processing

#25
20200109105
2020-04-09

Mining collectors

#26
20190389741
2019-12-26

Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity

#27
20190336984
2019-11-07

Compositions and methods for selective separation of minerals from sulfide ores

#28
20190309389
2019-10-10

Process for separation of antimony and arsenic from a leach solution

#29
20190248682
2019-08-15

Method for removing heavy metals from an aqueous solution

#30
20190217310
2019-07-18

Method of using flotation collector containing azolethione structure

#31
20190151860
2019-05-23

FLOTATION AGENT OF THIOL ETHER STRUCTURE

#32
20190111442
2019-04-18

Methods for flotation recovery of value material from coarse-sized particles

#33
20180345297
2018-12-06

Compositions and methods for reverse froth flotation of phosphate ores

#34
20180257089
2018-09-13

Recovery of molybdenum using sodium metabisulfite and a thiocarbonate depressant

#35
20180222846
2018-08-09

Mining collectors

#36
20180112288
2018-04-26

Stabilization process for an arsenic solution

#37
20180099293
2018-04-12

Compositions and methods for selective separation of minerals from sulfide ores

#38
20180057680
2018-03-01

Sulfonated modifiers for froth flotation

#39
20180057679
2018-03-01

Sulfonated modifiers for froth flotation

#40
20180043373
2018-02-15

Collector for beneficiating carbonaceous phosphate ores

#41
20180036742
2018-02-08

Mining Collector Compositions Containing Dodecylmethyl Sulfide and Processes for the Recovery of Metals Therewith

#42
20170361335
2017-12-21

Process for the selective floatation of kainite from mineral mixtures using sulfated fatty acids as the collector reagent

#43
20170282193
2017-10-05

Mercaptanized Dicyclopentadiene Compositions and Use Thereof as a Mining Chemical Collector

#44
20170252753
2017-09-07

Use of branched alcohols and alkoxylates thereof as secondary collectors

#45
20170165681
2017-06-15

Stable aqueous composition of neutral collectors and their use in mineral beneficiation processes

#46
20170144168
2017-05-25

Collector compositions and methods of using same in mineral flotation processes

#47
20170066896
2017-03-09

Capillary foams, methods of making thereof, and uses thereof including for mitigation of oil spills

#48
20170028410
2017-02-02

Beneficiation of rare earth elements bearing ancylite

#49
20160346790
2016-12-01

Depressants for mineral ore flotation

#50
20160340756
2016-11-24

Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate

#51
20160271624
2016-09-22

Flotation reagents and flotation processes utilizing same

#52
20160151791
2016-06-02

Method for improving rheological properties of mineral slurry

#53
20160114336
2016-04-28

Mineral processing

#54
20160107170
2016-04-21

Production method for low-sulfur iron ore

#55
20150360238
2015-12-17

CONDITIONING OF THE ORE IN THE COMMINUTION STEP AND RECOVERY OF DESIRED METAL VALUES BY FLOTATION

#56
20150353836
2015-12-10

Methods of recovering bitumen from oil sands

#57
20150328645
2015-11-19

Method for separating calcium carbonate and gypsum

#58
20150209801
2015-07-30

MONOTHIOPHOSPHATE CONTAINING COLLECTORS AND METHODS

#59
20150196926
2015-07-16

Depressants for mineral ore flotation

#60
20150174588
2015-06-25

Methods for facilitating mineral extraction

#61
20150144570
2015-05-28

Glycerides and fatty acid mixtures and methods of using same

#62
20150090666
2015-04-02

Collectors for mineral flotation

#63
20140369906
2014-12-18

Enrichment of metal sulfide ores by oxidant assisted froth flotation

#64
20140314641
2014-10-23

Flotation reagents and flotation processes utilizing same

#65
20140305848
2014-10-16

Method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrrhotite by exploiting the synergy of multiple depressants

#66
20140262974
2014-09-18

Composition and method for improvement in froth flotation

#67
20140251920
2014-09-11

Enhanced foam removal of total suspended solids and multiply charged cations from aqueous or aqueous/oil mixed phase via increased viscoelasticity

#68
20140251919
2014-09-11

Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity

#69
20140044618
2014-02-13

Process of gold and copper recovery from mixed oxide—sulfide copper ores

#70
20130092605
2013-04-18

Froth flotation processes

#71
20130092604
2013-04-18

Froth flotation processes

#72
20130092603
2013-04-18

Collector compositions and methods of using the same

#73
20120168387
2012-07-05

Glycerides and fatty acid mixtures and methods of using same

#74
20120145605
2012-06-14

COLLECTORS FOR FLOTATION OF MOLYBDENUM-CONTAINING ORES

#75
20120076717
2012-03-29

Separation of diamond from gangue minerals

#76
20110198296
2011-08-18

Sulfide flotation aid

#77
20110094942
2011-04-28

Method for separating arsenic mineral from copper-bearing material with high arsenic grade

#78
20110038770
2011-02-17

Processing nickel bearing sulphides

#79
20110020198
2011-01-27

Process for recovering copper sulphide from copper bearing ores by froth flotation

#80
20110017676
2011-01-27

Flotation aids and processes for using the same

#81
20100233050
2010-09-16

Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores

#82
20100078364
2010-04-01

Process for the flotation of non-sulfidic minerals and ores

#83
20100044280
2010-02-25

Flotation Process Using an Organometallic Complex as Activator

#84
20100040528
2010-02-18

Process of purification of minerals based on calcium carbonate by flotation in the presence of quaternary imidazolium methosulfate

#85
20100021370
2010-01-28

Flotation reagents and flotation processes utilizing same

#86
20090320718
2009-12-31

FLUOROSURFACTANTS

#87
20090194731
2009-08-06

Oxidized and maleated derivative compositions

#88
20090095686
2009-04-16

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

#89
20080308466
2008-12-18

Mineral Recovery from Ore

#90
20080197053
2008-08-21

Froth flotation process with pH modification

#91
20080185317
2008-08-07

Dithiocarbamate collectors and their use in the beneficiation of mineral ore bodies

#92
20080017552
2008-01-24

Modified amine-aldehyde resins and uses thereof in separation processes

#93
20070221878
2007-09-27

Collector for sulfidic ores

#94
20060251566
2006-11-09

Separation of diamond from gangue minerals

#95
20060151360
2006-07-13

Modified amine-aldehyde resins and uses thereof in separation processes

#96
20060000753
2006-01-05

Flotation of sulfide mineral species with oils

#97
20050242001
2005-11-03

Recovery of valuable metals

#98
20050167339
2005-08-04

Composition formed of mercaptans which can be used in a process for the flotation of ores

#99
20050150330
2005-07-14

Selective flotation agent and flotation method

#100
20050047983
2005-03-03

Ester quaternary cationic flotation collectors

#101
20050042157
2005-02-24

Process for the beneficiation of sulfide minerals

#102
17016978
2023-05-02

Flotation reagents from acidic olive oil

#103
16406116
2020-02-11

Process and chemistry for reducing dolomite concentrations in phosphate processing

#104
15631137
2018-05-15

Maximise the value of a sulphide ore resource through sequential waste rejection

#105
15358188
2017-03-21

Mercaptanized dicyclopentadiene compositions and use thereof as a mining chemical collector

#106
15284809
2016-12-27

Mixed decyl mercaptans compositions and use thereof as mining chemical collectors

#107
15090643
2017-01-10

Mercaptanized dicyclopentadiene compositions and use thereof as a mining chemical collector

#108
14981475
2016-11-29

Mixed decyl mercaptans compositions and use thereof as mining chemical collectors

#109
14876902
2016-09-20

Dipentene dimercaptan compositions and use thereof as a mining chemical collector