ClassID:

33448

B01J41/04 - CPC Classification

Classification description:

Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties Processes using organic exchangers

Sub-classes:
Recent Application in this class:
#1
20260131289
2026-05-14

Anion Exchange Separation Article, Methods of Making, and Methods of Using

#2
20260102764
2026-04-16

CHROMIUM AND ARSENIC SEPARATIONS USING POROUS ORGANIC FRAMEWORKS

#3
20260078248
2026-03-19

SIDE-CHAIN FUNCTIONALIZED POLYSTYRENES AS MEMBRANE MATERIALS FOR ALKALINE WATER ELECTROLYZERS, FUEL CELLS AND FLOW BATTERIES

#4
20260070049
2026-03-12

METHOD FOR EXTRACTING LEAD-212 AND BISMUTH-212 FROM THORIUM-232 DECAY CHAIN

#5
20260035271
2026-02-05

Ammonium-Coordinated Exchanger (ACE) for Anion Contaminant Removal from Water

#6
20250249445
2025-08-07

METHOD AND SYSTEM FOR PRODUCTION OF PRODUCED WATER AND DESALINATION TREATMENT RESINS

#7
20240294401
2024-09-05

METHOD FOR REMOVING FLUORINE-CONTAINING COMPOUND FROM WASTE WATER

#8
20240286090
2024-08-29

ANION EXCHANGE POLYMERS AND ANION EXCHANGE MEMBRANES INCORPORATING SAME

#9
20240226808
2024-07-11

DETACHABLE CHEMICAL FILTERS

#10
20240066516
2024-02-29

MAINTAINING METHOD FOR COOLING SYSTEM

#11
20230312849
2023-10-05

STYRENIC BLOCK COPOLYMER COMPOSITION AND ANION EXCHANGE MEMBRANES MADE THEREOF

#12
20230158483
2023-05-25

CELLULOSE-BASED ION-EXCHANGE MEMBRANE, PRODUCTION METHOD FOR SAME, EXOSOME PURIFICATION DEVICE, AND EXOSOME PURIFICATION METHOD

#13
20230149916
2023-05-18

MEMBRANE FOR REMOVING ANIONIC MATERIALS

#14
20230113100
2023-04-13

METHOD AND SYSTEM FOR REMOVING CONTAMINANTS FROM SOIL

#15
20230107868
2023-04-06

Membranes and Their Uses

#16
20230100967
2023-03-30

Membrane Stacks and Their Uses

#17
20230067288
2023-03-02

BIPOLAR MEMBRANE

#18
20230052881
2023-02-16

SODIUM SULFATE BY-PRODUCT PROCESSING IN LITHIUM AND BATTERY CHEMICAL PRODUCTION

#19
20230024923
2023-01-26

FLUOROCARBON DESTRUCTION SYSTEM AND METHOD

#20
20220363711
2022-11-17

PURIFICATION METHODS FOR CARBOHYDRATE-LINKED OLIGONUCLEOTIDES

#21
20220339618
2022-10-27

Ion Exchange Stationary Phases For Analyzing Polyvalent Ions

#22
20220134254
2022-05-05

PROCESSES AND SYSTEMS FOR REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES FROM FLUIDS, SUCH AS POTABLE WATER, USING DIMETHYLETHANOLAMINE RESIN

#23
20220089931
2022-03-24

Forming drilling fluid from produced water

#24
20220072485
2022-03-10

Anion exchange polymers and anion exchange membranes incorporating same

#25
20220041934
2022-02-10

Method for preparing needle coke for ultra-high power (UHP) electrodes from heavy oil

#26
20220016616
2022-01-20

Device and method for purifying organic amine solution

#27
20210363031
2021-11-25

Method for removing fluorine-containing compound from waste water

#28
20210275998
2021-09-09

Catalysts, methods of making, and methods of hydrofluorination

#29
20210247373
2021-08-12

Method for analyzing metal impurity content and kit for analyzing metal impurity content

#30
20210246050
2021-08-12

Method for producing ultrapure water, ultrapure water production system, and ion exchanger-filled module

#31
20210008539
2021-01-14

Multi-column continuous resin regeneration system

#32
20210008499
2021-01-14

BIPOLAR MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#33
20200384454
2020-12-10

Metal organic framework membranes

#34
20200384383
2020-12-10

Method for purifying nonaqueous liquid substance and ion exchange resin-filled cartridge with external air blocking member

#35
20200377386
2020-12-03

Phospate recovery by acid retardation

#36
20200339442
2020-10-29

Component addition polymerization

#37
20200239336
2020-07-30

SYSTEMS AND PROCESSES FOR REMOVING CONTAMINANTS FROM WATER

#38
20200206725
2020-07-02

Hybrid sorbent

#39
20200171479
2020-06-04

Phosphate adsorbing agent for blood processing, blood processing system and blood processing method

#40
20200070140
2020-03-05

Salt tolerant anion exchange medium

#41
20200069822
2020-03-05

Sterile chromatography resin and use thereof in manufacturing processes

#42
20200016529
2020-01-16

Reclaiming method

#43
20190352179
2019-11-21

Method and system for producing purified aqueous hydrogen peroxide solution

#44
20190314749
2019-10-17

Filter medium and method for producing such a filter medium

#45
20190299124
2019-10-03

Lipophilic guanidinium compounds for removal of oxyanions from aqueous solutions

#46
20190291094
2019-09-26

Anion exchange stationary phases based on crosslinked hydroxyalkylamine layer and glycidol

#47
20190134621
2019-05-09

Ion exchange stationary phases for analyzing polyvalent ions

#48
20190118144
2019-04-25

BIPOLAR MEMBRANE

#49
20180354815
2018-12-13

Nanomaterials, devices, and methods of water treatment

#50
20180346350
2018-12-06

Process using ion exchange resins for the treatment of wastewater emanating from purified terephthalic acid production

#51
20180345269
2018-12-06

Terminally-crosslinked methyl morpholinium-functionalized block copolymers, and anion exchange membranes using the same

#52
20180257066
2018-09-13

Metal contamination inhibitor, metal contamination inhibition membrane, method for preventing metal contamination, and method for cleaning product

#53
20180207612
2018-07-26

Organosilicon material for the decontamination of water

#54
20180154348
2018-06-07

Composition, method and apparatus for sulfite removal from beverages

#55
20180043346
2018-02-15

Ion exchange polymers and ion exchange membranes incorporating same

#56
20170333846
2017-11-23

Composite anion exchange membrane, method for producing the same, ion exchange membrane module, and ion exchange device

#57
20170320901
2017-11-09

Fluoride trapping arrangement

#58
20170320053
2017-11-09

Bipolar ion exchange sheet and manufacturing method therefor

#59
20170269042
2017-09-21

SELECTIVE ISOLATION OF ARN ACIDS FROM CRUDE OILS

#60
20170252707
2017-09-07

Anion exchange polymers and anion exchange membranes incorporating same

#61
20170240574
2017-08-24

Alkenyl(perfluoroalkyl)phosphinic acids

#62
20170232433
2017-08-17

Anionic exchange-hydrophobic mixed mode

#63
20170158732
2017-06-08

Virus reduction method

#64
20170087545
2017-03-30

Anion exchange resin, electrolyte membrane for fuel cell, binder for forming electrode catalyst layer, battery electrode catalyst layer and fuel cell

#65
20170057848
2017-03-02

Ion exchange membrane, ion exchange membrane laminated body provided with ion exchange membrane, electrochemical cell provided with ion exchange membrane laminated body, and water treatment apparatus provided with electrochemical cell

#66
20170043333
2017-02-16

Air collector with functionalized ion exchange membrane for capturing ambient CO

#67
20170029804
2017-02-02

Method of purifying nucleic acids and kit for purifying nucleic acids

#68
20170029287
2017-02-02

Purification of Ge/Ga generator eluate from Fe(III) intended to improve specific radioactivity of Ga-based radiopharmaceuticals

#69
20170015568
2017-01-19

Phosphate recovery by acid retardation

#70
20160376213
2016-12-29

Silver loaded halide removal resins for treating halide containing solutions

#71
20160375398
2016-12-29

Reclaiming device, reclaiming method, and recovery unit for COor HS or both

#72
20160361690
2016-12-15

Functional polymer membrane and method for producing same

#73
20160347758
2016-12-01

Macrocycle with repeating triazole-carbazole units

#74
20160312317
2016-10-27

Method for recovering an acid from acid/sugar solutions

#75
20160207797
2016-07-21

ION EXCHANGE RESIN REGENERATION METHOD

#76
20150307434
2015-10-29

Method for recovering anionic fluorinated emulsifier

#77
20150076072
2015-03-19

High-capacity anion exchange materials

#78
20140356275
2014-12-04

Method for producing a moisture swing sorbent for carbon dioxide capture from air

#79
20140234201
2014-08-21

Methods for making chlorous acid and chlorine dioxide

#80
20140197107
2014-07-17

Method of purifying nucleic acids, method of extracting nucleic acids and kit for purifying nucleic acids

#81
20140148521
2014-05-29

Method for removal of metal ions from an aqueous solution

#82
20120318743
2012-12-20

Water Desalination and Treatment System and Method

#83
20120279397
2012-11-08

Air collector with functionalized ion exchange membrane for capturing ambient CO

#84
20120270129
2012-10-25

Heat transfer system, fluid, and method

#85
20120234764
2012-09-20

Method for treating boron-containing water

#86
20120177557
2012-07-12

PROCESS FOR TREATING CATALYST PRECURSORS

#87
20120123139
2012-05-17

BIODIESEL PURIFICATION BY A CONTINUOUS REGENERABLE ADSORBENT PROCESS

#88
20120114547
2012-05-10

Stabilization and ionic triggering of nitric oxide release

#89
20120077249
2012-03-29

Separation Of Virus And/Or Protein From Nucleic Acids By Primary Amines

#90
20120061322
2012-03-15

Methods and Apparatuses for Treating a Dispersion Bath

#91
20120012530
2012-01-19

Molecularly imprinted polymer ion exchange resins

#92
20110210055
2011-09-01

High capacity ion chromatography stationary phases and method of forming

#93
20110209614
2011-09-01

Air collector with functionalized ion exchange membrane for capturing ambient CO

#94
20110147313
2011-06-23

Process for the treatment of the aqueous stream coming from the fischer-tropsch reaction by means of ion exchange resins

#95
20110121229
2011-05-26

ENANTIOSELECTIVE ZWITTERIONIC ION-EXCHANGE MATERIAL

#96
20110048413
2011-03-03

Process and plant for producing sugar products from grapes

#97
20110036776
2011-02-17

PROCESSING METHOD OF LIQUID

#98
20110030508
2011-02-10

Process for Metal Seperation Using Resin-in-Pulp or Resin-in-Solution Processes

#99
20100288308
2010-11-18

METHOD AND SYSTEM FOR PRODUCING ULTRAPURE WATER, AND METHOD AND SYSTEM FOR WASHING ELECTRONIC COMPONENT MEMBERS

#100
20100275734
2010-11-04

Purification of Ge/Ga generator eluate from Fe(III) intended to improve specific radioactivity of Ga-based radiopharmaceuticals

#101
20100272633
2010-10-28

METHOD FOR PRODUCING ALCOHOL, METHOD FOR PRODUCING HYDROGEN OR SYNTHESIS GAS USING THE METHOD FOR PRODUCING ALCOHOL, AND ALCOHOL

#102
20100240915
2010-09-23

Pre-Treatment of Crude Alcohol or Furan Feed to a Vapor Permeation Apparatus

#103
20100116748
2010-05-13

Method of making macroporous anion exchange resins

#104
20100098819
2010-04-22

Apparatus and method for isolating and/or eliminating at least one solute from a solution

#105
20100095842
2010-04-22

REMOVAL OF CARBON DIOXIDE FROM AIR

#106
20100093894
2010-04-15

Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkyl amines

#107
20100093893
2010-04-15

Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines

#108
20100084343
2010-04-08

SYSTEM AND PROCESS FOR THE REMOVAL OF FLUOROCHEMICALS FROM WATER

#109
20100006505
2010-01-14

FILTER WITH IODINATED RESIN AND FILTER LIFE INDICATOR

#110
20090324836
2009-12-31

Method for producing unsaturated carboxylic acid-modified vinyl alcohol polymer, and gas barrier film or gas barrier laminate using the same

#111
20090263311
2009-10-22

METHOD OF REMOVING IMPURITIES FROM SOLIDS

#112
20090199460
2009-08-13

Biodiesel purification by a continuous regenerable adsorbent process

#113
20090185965
2009-07-23

Method for separating zirconium and hafnium

#114
20090158891
2009-06-25

PROCESS FOR RECOVERING PLATINUM GROUP METALS, RHENIUM AND GOLD

#115
20090145850
2009-06-11

Method of removing and recovering contaminants from solutions with modified anion exchange materials having metal inside the materials

#116
20090136410
2009-05-28

Stabilization and ionic triggering of nitric oxide release

#117
20090081117
2009-03-26

Process for preparing aluminium species

#118
20090039027
2009-02-12

Purification of water

#119
20090026141
2009-01-29

EFFLUENT TREATMENT PROCESS

#120
20090022638
2009-01-22

Ion exchanger for winning metals of value

#121
20090008333
2009-01-08

Perchlorate Destruction

#122
20080264868
2008-10-30

Process for preparing molecularly imprinted polymer ion exchange resins

#123
20080262285
2008-10-23

Method for removing phosphate from aqueous solutions

#124
20080250723
2008-10-16

Process and apparatus for treating exhausted abrasive slurries for the recovery of their reusable components

#125
20080191170
2008-08-14

Use of Ionic Liquids

#126
20080169241
2008-07-17

Method of making and using modified anion exchange materials with metal inside the materials

#127
20080135488
2008-06-12

Process for removing fluorosurfactant from an aqueous fluoropolymer dispersion using sorbent pouches

#128
20080128361
2008-06-05

Reduction of Sulfate Ions in Alcohols

#129
20080110296
2008-05-15

Process for recovering platinum group metals, rhenium and gold

#130
20080047901
2008-02-28

Apparatus for treatment of chemical mechanical polishing fluid

#131
20080038188
2008-02-14

Indium adsorbent and indium fractioning method

#132
20070244324
2007-10-18

Method for coating the internal surface of a reaction vessel

#133
20070217982
2007-09-20

Air collector with functionalized ion exchange membrane for capturing ambient CO

#134
20070207075
2007-09-06

Separation of germanium-68 from gallium-68

#135
20070142590
2007-06-21

Method of making macroporous anion exchange resins

#136
20070131619
2007-06-14

Method for demineralizing condensate

#137
20070105965
2007-05-10

Method for preparing an ion exchange media

#138
20070102365
2007-05-10

Method for extracting perchlorate-ion from an aqueous solution

#139
20070080114
2007-04-12

Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina

#140
20070041884
2007-02-22

Resin and process for extracting non-ferrous metals

#141
20070023360
2007-02-01

Removing fluorosurfactant from aqueous fluoropolymer dispersion using sorbent pouches

#142
20070023359
2007-02-01

Methods of the purification and use of moderately saline water particularly for use in aquaculture, horticulture and, agriculture

#143
20060231496
2006-10-19

Method of treating polyaluminium compounds

#144
20060171875
2006-08-03

Methods for making chlorine dioxide

#145
20060148972
2006-07-06

Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines

#146
20060144780
2006-07-06

Process for removing perchlorate ions from water streams

#147
20060138050
2006-06-29

Method and apparatus for metal removal by ion exchange

#148
20060131240
2006-06-22

Process for treating solvents

#149
20060084812
2006-04-20

Purification of impure materials using non-aqueous solvents

#150
20060073248
2006-04-06

Apparatus and method for isolating and/or eliminating at least one solute from a solution

#151
20060054561
2006-03-16

Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment

#152
20060037913
2006-02-23

Modified anion exchange materials with metal inside the materials, method of making same and method of removing and recovering metals from solutions

#153
20060036021
2006-02-16

Removing fluorosurfactant from aqueous fluoropolymer dispersions

#154
20060034749
2006-02-16

Methods for making chlorous acid and chlorine dioxide

#155
20060024839
2006-02-02

Inorganic carbon removal

#156
20060011550
2006-01-19

Inorganic contaminant removal from water

#157
20050282240
2005-12-22

Method for identifying peptides in a biological sample

#158
20050239632
2005-10-27

Perchlorate destruction

#159
20050211631
2005-09-29

Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions

#160
20050196337
2005-09-08

Methods for making chlorous acid and chlorine dioxide

#161
20050192436
2005-09-01

Method for the desalting of saccharide solution and an anion exchanger

#162
20050189299
2005-09-01

Process for preparing fluoropolymer dispersions

#163
20050167366
2005-08-04

Method for perchlorate removal from ground water

#164
20050145571
2005-07-07

Extraction and recovery of ions from a solution

#165
20050131240
2005-06-16

Process for separating tocopherol homologues

#166
20050115905
2005-06-02

Nitrate removal

#167
20050109636
2005-05-26

Process for producing a ready-to-use electrolyte