ClassID:

35676

B03D1/01 - CPC Classification

Classification description:

Flotation; Flotation agents; Organic compounds containing nitrogen

Sub-classes:
Recent Application in this class:
#1
20260021492
2026-01-22

METHOD OF FLOTATION SEPARATION FOR COPPER-SULFUR POLYMETALLIC ORE

#2
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

#3
20250319478
2025-10-16

ENHANCED FLOTATION METHOD OF LEPIDOLITE ORE BASED ON HIGH-ENTROPY COLLECTION

#4
20250269387
2025-08-28

METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE WITH A CATIONIC COLLECTOR

#5
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

#6
20240149277
2024-05-09

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

#7
20240149276
2024-05-09

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

#8
20240082854
2024-03-14

METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE

#9
20240066528
2024-02-29

METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE

#10
20230339781
2023-10-26

ENHANCED FOAM FRACTIONATION OF OIL PHASE FROM AQUEOUS/OIL MIXED PHASE VIA INCREASED VISCOELASTICITY

#11
20230302464
2023-09-28

Novel Cationic Collectors for Improving a Process for Froth Flotation of Silicates

#12
20230249197
2023-08-10

METHOD FOR FLOTATION OF A SILICATE-CONTAINING IRON ORE

#13
20230091787
2023-03-23

Composition and method for use of 1-alkyl-5-oxopyrrolidine-3-carboxylic acids as collectors for phosphate and lithium flotation

#14
20230062243
2023-03-02

Carbamoyl)acetamide compound in flotation of calcium-bearing minerals

#15
20220266263
2022-08-25

COLLECTOR COMPOSITION

#16
20220266262
2022-08-25

A COLLECTOR COMPOSITION

#17
20220227936
2022-07-21

Collectors for flotation process

#18
20220212204
2022-07-07

Method for flotation of a silicate-containing iron ore with a cationic collector

#19
20220176386
2022-06-09

COLLECTOR COMPOSITIONS CONTAINING A N-ACYLATED AMINO ACID AND PROCESS TO TREAT NON-SULFIDIC ORES

#20
20210379604
2021-12-09

NOVEL METHOD FOR THE FLOTATION OF BASTNAESITE ORE

#21
20210331181
2021-10-28

Compositions and Methods for Controlling pH in Metal Flotation Processes

#22
20210323000
2021-10-21

Float sorting device for selective separation of non-metallic minerals

#23
20210253620
2021-08-19

Hydroximic acid-metal hydroxide coordination complex and preparation and application thereof

#24
20210252525
2021-08-19

Use Of Polyols For Improving A Process For Reverse Froth Flotation Of Iron Ore

#25
20210197210
2021-07-01

Process to treat metal or mineral ores and collector composition therefor

#26
20210121894
2021-04-29

Collector composition containing biodegradable compound and process for treating siliceous ores

#27
20210069729
2021-03-11

Concentration process of iron ore slimes

#28
20210039956
2021-02-11

Preparation of copper(II)-ammonia complex ion sulfidization activator and sulfidization flotation method for copper oxide ore

#29
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

#30
20200360938
2020-11-19

Esterquats for the flotation of non-sulfidic minerals and ores, and method

#31
20200048735
2020-02-13

PROCESS TO TREAT METAL OR MINERAL ORES AND COLLECTOR COMPOSITION THEREFOR

#32
20190389741
2019-12-26

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

#33
20190336984
2019-11-07

Compositions and methods for selective separation of minerals from sulfide ores

#34
20190240677
2019-08-08

Process to treat magnetite ore and collector composition

#35
20190217311
2019-07-18

Cationic polymer selective depressants and use thereof in mineral ore purification methods

#36
20190151860
2019-05-23

FLOTATION AGENT OF THIOL ETHER STRUCTURE

#37
20190112424
2019-04-18

AMINE-ALDEHYDE RESINS AND USES THEREOF IN SEPARATION PROCESSES

#38
20190070616
2019-03-07

Cationic flotation of silica and apatite from oxidized iron ores at natural pH

#39
20180251603
2018-09-06

Ether amine compounds and use thereof as flotation collector

#40
20180104701
2018-04-19

Composition of fatty acids and N-acyl derivatives of sarcosine for the improved flotation of nonsulfide minerals

#41
20180099293
2018-04-12

Compositions and methods for selective separation of minerals from sulfide ores

#42
20180071752
2018-03-15

Depressants for Mineral Ore Flotation

#43
20170253504
2017-09-07

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#44
20170252753
2017-09-07

Use of branched alcohols and alkoxylates thereof as secondary collectors

#45
20170209873
2017-07-27

Flotation of sphalerite from mixed base metal sulfide ores either without or with largely reduced amount of copper sulfate addition using 2-(alkylamino)ethanethiols as collectors

#46
20170203982
2017-07-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#47
20170144168
2017-05-25

Collector compositions and methods of using same in mineral flotation processes

#48
20170066896
2017-03-09

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

#49
20170028410
2017-02-02

Beneficiation of rare earth elements bearing ancylite

#50
20160280634
2016-09-29

Biological buffers with wide buffering ranges

#51
20160271624
2016-09-22

Flotation reagents and flotation processes utilizing same

#52
20160114337
2016-04-28

POLYAMIDOAMINE CATIONIC COLLECTORS AND METHODS FOR MAKING AND USING SAME

#53
20160107170
2016-04-21

Production method for low-sulfur iron ore

#54
20150360238
2015-12-17

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

#55
20150353836
2015-12-10

Methods of recovering bitumen from oil sands

#56
20150314305
2015-11-05

Polyquaternary polymer as a depressant in a method for froth flotation of potash ores

#57
20150290659
2015-10-15

Flotation of silicates from ores

#58
20150175775
2015-06-25

Process for manufacturing white pigment containing products

#59
20150129506
2015-05-14

Depressants for use in separation processes

#60
20150096925
2015-04-09

Collector compositions and methods for making and using same

#61
20150076038
2015-03-19

Reverse iron ore flotation by collectors in aqueous nanoemulsion

#62
20140314641
2014-10-23

Flotation reagents and flotation processes utilizing same

#63
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

#64
20140301921
2014-10-09

Amine-aldehyde resins and uses thereof in separation processes

#65
20140262974
2014-09-18

Composition and method for improvement in froth flotation

#66
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

#67
20140251919
2014-09-11

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

#68
20140144814
2014-05-29

Use of quaternary ammonium compounds as collectors in froth flotation processes

#69
20140144290
2014-05-29

Mixed collector compositions

#70
20140048455
2014-02-20

Amine and diamine compounds and their use for inverse froth flotation of silicate from iron ore

#71
20140048454
2014-02-20

COLLECTORS FOR ORE BENEFICIATION

#72
20140048453
2014-02-20

COLLECTORS FOR ORE BENEFICIATION

#73
20140027354
2014-01-30

Diamine compounds and their use for inverse froth flotation of silicate from iron ore

#74
20140021104
2014-01-23

Amine and diamine compounds and their use for inverse froth flotation of silicate from iron ore

#75
20130277280
2013-10-24

Amine-containing formulations for reverse froth flotation of silicates from iron ore

#76
20130161239
2013-06-27

Froth flotation process for the separation of silicates and alkaline earth metal carbonates using a collector comprising at least one hydrophobically modified polyalkyleneimine

#77
20130092603
2013-04-18

Collector compositions and methods of using the same

#78
20130068666
2013-03-21

Flotation process for recovering feldspar from a feldspar ore

#79
20130025410
2013-01-31

COLLECTOR AND FROTHING AGENT FOR FLOTATION BASED ON ORGANIC RESIDUES TO RECOVER METALS FROM MINERALS BY FROTH FLOTATION, COLLECTOR AND FROTHING AGENT RECOVERY PROCESS AND FOAMING FLOTATION PROCESS THAT USES THE COLLECTOR AND FROTHING AGENT

#80
20130004389
2013-01-03

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

#81
20120325725
2012-12-27

Flotation reagent for iron ores containing magnetite and/or haematite

#82
20120076717
2012-03-29

Separation of diamond from gangue minerals

#83
20120071371
2012-03-22

Aqueous particulate slurry compositions and methods of making same

#84
20110272503
2011-11-10

SYSTEMS AND PROCESSES FOR PRODUCING HIGH PURITY TRONA

#85
20110226674
2011-09-22

Mixture of collectors for flotation of clay minerals from potash ores

#86
20110203975
2011-08-25

Mixture of an amine alkoxylate ester and a quaternary ammonium compound as a collector for minerals containing silicate

#87
20110094942
2011-04-28

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

#88
20110017676
2011-01-27

Flotation aids and processes for using the same

#89
20110011589
2011-01-20

Well service compositions for consolidation of particulates in subterranean coal seams

#90
20100294725
2010-11-25

Azetidinium-functional polysaccharides and uses thereof

#91
20100213105
2010-08-26

Reverse iron ore flotation by collectors in aqueous nanoemulsion

#92
20100204071
2010-08-12

Aqueous particulate slurry compositions and methods of making same

#93
20100181233
2010-07-22

Collector for flotation of clay minerals from potash ores

#94
20100078364
2010-04-01

Process for the flotation of non-sulfidic minerals and ores

#95
20100065479
2010-03-18

Collector for the flotation of carbonates

#96
20100050504
2010-03-04

NORMAL AND ISO PARAFINES WITH LOW CONTENT OF AROMATICS, SULPHUR AND NITROGEN AS COLLECTOR FOR FROTH FLOTATION

#97
20100044280
2010-02-25

Flotation Process Using an Organometallic Complex as Activator

#98
20100040528
2010-02-18

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

#99
20100021370
2010-01-28

Flotation reagents and flotation processes utilizing same

#100
20090320718
2009-12-31

FLUOROSURFACTANTS

#101
20090301972
2009-12-10

Materials and process for enhancing selective separations

#102
20090266746
2009-10-29

MINERAL ORE FLOTATION AID

#103
20090206040
2009-08-20

Systems and methods for removing finely dispersed particulate matter from a fluid stream

#104
20090194731
2009-08-06

Oxidized and maleated derivative compositions

#105
20090152174
2009-06-18

Flotation reagent for minerals containing silicate

#106
20090114573
2009-05-07

Flotation reagent for silicates

#107
20090095686
2009-04-16

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

#108
20080308466
2008-12-18

Mineral Recovery from Ore

#109
20080197084
2008-08-21

Reversibly switchable surfactants and methods of use thereof

#110
20080029460
2008-02-07

Amine-aldehyde resins and uses thereof in separation processes

#111
20080017552
2008-01-24

Modified amine-aldehyde resins and uses thereof in separation processes

#112
20070221878
2007-09-27

Collector for sulfidic ores

#113
20070187301
2007-08-16

Fatty acid by-products and methods of using same

#114
20070071665
2007-03-29

Use of a derivative of aspartic acid as a collector in froth flotation processes

#115
20070012630
2007-01-18

Amine-aldehyde resins and uses thereof in separation processes

#116
20070000839
2007-01-04

Modified amine-aldehyde resins and uses thereof in separation processes

#117
20060251566
2006-11-09

Separation of diamond from gangue minerals

#118
20060226051
2006-10-12

USE OF UREA-FORMALDEHYDE RESIN IN POTASH ORE FLOTATION

#119
20060151397
2006-07-13

Amine-aldehyde resins and uses thereof in separation processes

#120
20060151360
2006-07-13

Modified amine-aldehyde resins and uses thereof in separation processes

#121
20060032800
2006-02-16

Collecting agent comprising ammoniated compounds (primary, secondary, tertiary amines), for use in the process of grinding and/or floating copper, molybdenum, zinc, and other contained mineral ores

#122
20060032799
2006-02-16

Use of fatty amine salts in conjunction with fatty acids as auxiliary agents for the floatation of potassium salts (sylvinite)

#123
20050252834
2005-11-17

Process and reagent for separating finely divided titaniferrous impurities from Kaolin

#124
20050150330
2005-07-14

Selective flotation agent and flotation method

#125
16406116
2020-02-11

Process and chemistry for reducing dolomite concentrations in phosphate processing

#126
14518310
2015-06-09

Separation of biocomponents from DDGS