ClassID:

33430

B01J39/04 - CPC Classification

Classification description:

Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties Processes using organic exchangers

Sub-classes:
Recent Application in this class:
#1
20260108871
2026-04-23

METHOD FOR PREPARING SCHIFF BASE-MODIFIED IONIC FRAMEWORK MATERIAL AND USE THEREOF IN ADVANCED PURIFICATION OF 177 LU-CONTAINING MEDICAL WASTEWATER

#2
20260108870
2026-04-23

POLYMER ADSORBENTS FOR SELECTIVE IONS ADSORPTION

#3
20260091381
2026-04-02

ETHYLENE OXIDE NEUTRALIZING MATERIAL INCORPORATING ION EXCHANGE RESINS

#4
20260014494
2026-01-15

IMPURITY ACQUISITION METHOD AND IMPURITY ACQUISITION APPARATUS FOR ACQUIRING METAL IMPURITIES IN ORGANIC SOLVENTS

#5
20250376390
2025-12-11

METHODS AND APPARATUS FOR REGENERATION OF RESIN FOR WATER PURIFICATION

#6
20240417299
2024-12-19

MOLECULAR MODIFICATION PROCESS FOR WASTEWATER TREATMENT AND PURIFICATION

#7
20240226808
2024-07-11

DETACHABLE CHEMICAL FILTERS

#8
20240117507
2024-04-11

WATER ELECTROLYSIS

#9
20240066516
2024-02-29

MAINTAINING METHOD FOR COOLING SYSTEM

#10
20230416214
2023-12-28

REDUCTIVE DIMERIZATION OF FURFURAL VIA A CONTINUOUS PROCESS

#11
20230356210
2023-11-09

METHOD FOR REMOVING ACIDS FROM ORGANIC SOLVENTS

#12
20230193420
2023-06-22

Process for oxidative cleavage of vegetable oils containing monosaturated fatty acid triglycerides

#13
20230141211
2023-05-11

Process for recovering precious metals from molecular sieve bodies

#14
20230107868
2023-04-06

Membranes and Their Uses

#15
20230100967
2023-03-30

Membrane Stacks and Their Uses

#16
20230067288
2023-03-02

BIPOLAR MEMBRANE

#17
20230017362
2023-01-19

NEW LITHIUM-SODIUM SEPARATION METHOD

#18
20220297029
2022-09-22

Methods and systems for removing pressure and air from chromatography columns

#19
20220168723
2022-06-02

METHOD FOR FORMING CARBON-CARBON BOND

#20
20220089557
2022-03-24

Reductive dimerization of furfural via a continuous process

#21
20220041934
2022-02-10

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

#22
20220002497
2022-01-06

BLOCK POLYMER COMPOSITE MEMBRANES

#23
20210308358
2021-10-07

METHODS AND APPARATUS FOR EXTRACTING DOXORUBICIN FROM BLOOD AND MEASURING DOXORUBICIN IN BLOOD

#24
20210253743
2021-08-19

Thermally stable, dispersible cellulose nanocrystals

#25
20210245149
2021-08-12

Ion exchange resin transportation and storage

#26
20210221763
2021-07-22

Method for producing acetic acid

#27
20210087698
2021-03-25

WATER ELECTROLYSIS

#28
20210062296
2021-03-04

SYSTEMS AND METHODS FOR SELECTIVE RECOVERY OF METALS FROM ION EXCHANGE RESINS

#29
20210008539
2021-01-14

Multi-column continuous resin regeneration system

#30
20210008499
2021-01-14

BIPOLAR MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#31
20200384454
2020-12-10

Metal organic framework membranes

#32
20200384383
2020-12-10

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

#33
20200377386
2020-12-03

Phospate recovery by acid retardation

#34
20200339442
2020-10-29

Component addition polymerization

#35
20200206726
2020-07-02

Method for washing ion exchange resin and method for preparing bisphenol A

#36
20200055962
2020-02-20

Method for preparing anionic macromolecular compound exhibiting improved water solubility

#37
20200024163
2020-01-23

WASTEWATER FILTRATION METHOD AND SYSTEM

#38
20200016529
2020-01-16

Reclaiming method

#39
20200010923
2020-01-09

Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions

#40
20190352179
2019-11-21

Method and system for producing purified aqueous hydrogen peroxide solution

#41
20190300464
2019-10-03

Method for purifying organic solvent

#42
20190176143
2019-06-13

Ion exchange resin transportation and storage

#43
20190151838
2019-05-23

Silver recovery as Agnanoparticles from ion-exchange regenerant solution

#44
20190118144
2019-04-25

BIPOLAR MEMBRANE

#45
20190083903
2019-03-21

Methods and systems for removing pressure and air from chromatography columns

#46
20190055131
2019-02-21

Method for producing purified aqueous solution of silicic acid

#47
20190046969
2019-02-14

Microparticles for cell disruption and/or biomolecule recovery

#48
20190013551
2019-01-10

Polymeric ion traps for suppressing or minimizing transition metal ions and dendrite formation or growth in lithium-ion batteries

#49
20180354815
2018-12-13

Nanomaterials, devices, and methods of water treatment

#50
20180282169
2018-10-04

SILICA SYNTHESIS

#51
20180257066
2018-09-13

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

#52
20180215882
2018-08-02

Swellable and insoluble nanofibers and use thereof in the treatment of essentially aqueous effluents

#53
20180126370
2018-05-10

Ion exchange membrane

#54
20180065070
2018-03-08

Air filter comprising a multilayer filter material

#55
20180043346
2018-02-15

Ion exchange polymers and ion exchange membranes incorporating same

#56
20180043344
2018-02-15

Process for producing ion exchange membrane for electrolysis, and ion exchange membrane for electrolysis

#57
20180036689
2018-02-08

Functional polymer membrane, method for manufacturing same, composition for forming functional polymer membrane, separation membrane module, and ion-exchange device

#58
20170340797
2017-11-30

Methods and apparatus for extracting doxorubicin from blood and measuring doxorubicin in blood

#59
20170321299
2017-11-09

Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions

#60
20170320053
2017-11-09

Bipolar ion exchange sheet and manufacturing method therefor

#61
20170320051
2017-11-09

POROUS SILICA AND CHROMATOGRAPHIC CARRIER

#62
20170319735
2017-11-09

WASTE TANK FILTER FOR A VEHICLE

#63
20170305833
2017-10-26

Method for producing composition containing purified chlorogenic acids

#64
20170297939
2017-10-19

GREYWATER RECYCLING SYSTEMS AND DEVICES, AND RELATED METHODS

#65
20170236604
2017-08-17

Platinum oxide colloidal solution, manufacturing method therefor, manufacture apparatus thereof, and method of injection noble metal of boiling water nuclear power plant

#66
20170197203
2017-07-13

REGENERATABLE ION EXCHANGE MATERIAL FOR REDUCING THE AMOUNT OF CO2

#67
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

#68
20170037155
2017-02-09

Thermally stable, dispersible cellulose nanocrystals

#69
20170029804
2017-02-02

Method of purifying nucleic acids and kit for purifying nucleic acids

#70
20170029585
2017-02-02

Cation exchange membrane and method for producing potassium hydroxide aqueous solution

#71
20170029299
2017-02-02

PHYSICO-CHEMICAL PROCESS FOR REMOVAL OF NITROGEN SPECIES FROM RECIRCULATED AQUACULTURE SYSTEMS

#72
20170015568
2017-01-19

Phosphate recovery by acid retardation

#73
20160375398
2016-12-29

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

#74
20160333513
2016-11-17

Laundry washing machine and method for controlling a laundry washing machine

#75
20160326683
2016-11-10

Laundry washing machine and method for controlling a laundry washing machine

#76
20160289790
2016-10-06

Selective regeneration of isotope-specific media resins in systems for separation of radioactive isotopes from liquid waste materials

#77
20160207785
2016-07-21

Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media

#78
20160200760
2016-07-14

Microparticles for cell disruption and/or biomolecule recovery

#79
20160193598
2016-07-07

Adsorbent composition and use thereof

#80
20160193547
2016-07-07

Enantioselective zwitterionic ion-exchange material

#81
20160185625
2016-06-30

Method for treating oil-containing aqueous mixtures with cation exchange resin

#82
20150209775
2015-07-30

Branched-chain fatty acids as liquid cation exchangers

#83
20150086786
2015-03-26

Beta zeolite and method for producing same

#84
20140234201
2014-08-21

Methods for making chlorous acid and chlorine dioxide

#85
20140197107
2014-07-17

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

#86
20140163111
2014-06-12

POROUS BIOMOLECULE-CONTAINING METAL-ORGANIC FRAMEWORKS

#87
20140148521
2014-05-29

Method for removal of metal ions from an aqueous solution

#88
20140054224
2014-02-27

Liquid cation exchanger

#89
20140048741
2014-02-20

FILTRATION MEDIA

#90
20140039210
2014-02-06

Liquid cation exchanger

#91
20140034577
2014-02-06

Fuel filter for the removal of a soap contaminant from diesel fuel

#92
20130264273
2013-10-10

Submersible filters for use in separating radioactive isotopes from radioactive waste materials

#93
20130200002
2013-08-08

Calcium removal method

#94
20120318743
2012-12-20

Water Desalination and Treatment System and Method

#95
20120288426
2012-11-15

Method for separation of monovalent metals from multivalent metals

#96
20120270129
2012-10-25

Heat transfer system, fluid, and method

#97
20120184796
2012-07-19

Capture and removal of radioactive species from an aqueous solution

#98
20120157556
2012-06-21

Synthesis of sequestration resins for water treatment in light water reactors

#99
20120123139
2012-05-17

BIODIESEL PURIFICATION BY A CONTINUOUS REGENERABLE ADSORBENT PROCESS

#100
20120114547
2012-05-10

Stabilization and ionic triggering of nitric oxide release

#101
20120091034
2012-04-19

PROCESS FOR PRODUCING MIDDLE DISTILLATES BY HYDROISOMERIZATION AND HYDROCRACKING OF A HEAVY FRACTION DERIVED FROM A FISCHER-TROPSCH EFFLUENT

#102
20120061322
2012-03-15

Methods and Apparatuses for Treating a Dispersion Bath

#103
20120048775
2012-03-01

PROCESS FOR PRODUCING MIDDLE DISTILLATES BY HYDROISOMERIZATION AND HYDROCRACKING OF A HEAVY FRACTION DERIVED FROM A FISCHER-TROPSCH EFFLUENT EMPLOYING A RESIN

#104
20120012530
2012-01-19

Molecularly imprinted polymer ion exchange resins

#105
20110318253
2011-12-29

Method for purifying lithium bicarbonate

#106
20110147313
2011-06-23

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

#107
20110121229
2011-05-26

ENANTIOSELECTIVE ZWITTERIONIC ION-EXCHANGE MATERIAL

#108
20110076776
2011-03-31

Methods, systems and devices for analyzing a biological fluid sample following ion exchange

#109
20110048413
2011-03-03

Process and plant for producing sugar products from grapes

#110
20110030508
2011-02-10

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

#111
20100288700
2010-11-18

POST TREATMENT OF DESALINATED AND SOFT WATER FOR BALANCED WATER COMPOSITION SUPPLY

#112
20100272633
2010-10-28

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

#113
20100240915
2010-09-23

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

#114
20100206814
2010-08-19

System and method for selectively removing ions from acidic solutions

#115
20100196190
2010-08-05

Process for recovery of nickel and cobalt from laterite ores using ion exchange resin

#116
20100005962
2010-01-14

Adsorptive filter material

#117
20090263311
2009-10-22

METHOD OF REMOVING IMPURITIES FROM SOLIDS

#118
20090239256
2009-09-24

Detection of Micro-Organisms

#119
20090199460
2009-08-13

Biodiesel purification by a continuous regenerable adsorbent process

#120
20090136410
2009-05-28

Stabilization and ionic triggering of nitric oxide release

#121
20090078649
2009-03-26

Method for selective removal of cadmium

#122
20090056707
2009-03-05

Process of removing calcium and obtaining sulfate salts from an aqueous sugar solution

#123
20090026141
2009-01-29

EFFLUENT TREATMENT PROCESS

#124
20090001023
2009-01-01

Process for removing soluble and insoluble oxidation by-products from non-polar lubricating and hydraulic fluids

#125
20080289448
2008-11-27

Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents

#126
20080264868
2008-10-30

Process for preparing molecularly imprinted polymer ion exchange resins

#127
20080250723
2008-10-16

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

#128
20080191170
2008-08-14

Use of Ionic Liquids

#129
20080167491
2008-07-10

T-butoxycarbonylaminoethylamine for the Synthesis of PNA Monomer Units, Amino Acid Derivatives, Intermediates Thereof, and Processes for Productions of Them

#130
20080152578
2008-06-26

APPARATUS FOR PRODUCING A STABLE OXY-CHLORO ACID

#131
20080053909
2008-03-06

Ammonia recovery process

#132
20080023652
2008-01-31

Lithographic apparatus and device manufacturing method

#133
20070105965
2007-05-10

Method for preparing an ion exchange media

#134
20070080114
2007-04-12

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

#135
20070041884
2007-02-22

Resin and process for extracting non-ferrous metals

#136
20070034573
2007-02-15

Method and apparatus for metal removal by ion exchange

#137
20070023359
2007-02-01

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

#138
20060226062
2006-10-12

Lithographic apparatus and device manufacturing method

#139
20060171875
2006-08-03

Methods for making chlorine dioxide

#140
20060138050
2006-06-29

Method and apparatus for metal removal by ion exchange

#141
20060084812
2006-04-20

Purification of impure materials using non-aqueous solvents

#142
20060037912
2006-02-23

Ion exchange materials, method of forming ion exchange materials, and methods of treating liquids

#143
20060034749
2006-02-16

Methods for making chlorous acid and chlorine dioxide

#144
20060011550
2006-01-19

Inorganic contaminant removal from water

#145
20050282240
2005-12-22

Method for identifying peptides in a biological sample

#146
20050247633
2005-11-10

Treatment process for removing radioactive thorium from solvent extraction liquid effluent

#147
20050245729
2005-11-03

Method of separation by adsorption

#148
20050205495
2005-09-22

Method for removal of arsenic from water

#149
20050196337
2005-09-08

Methods for making chlorous acid and chlorine dioxide

#150
20050194319
2005-09-08

Ion exchange process

#151
20050187402
2005-08-25

T-butoxycarbonylaminoethylamine for the synthesis of PNA monomer units, amino acid derivatives, intermediates therof, and processes for productions of them

#152
20050175758
2005-08-11

Rapid-action agent for preparing cold and hot beverages from drinking water

#153
20050051491
2005-03-10

Regenerant reuse

#154
20050035057
2005-02-17

Method for removing heavy metals from media containing heavy metals by means of a Lyocell moulded body, cellulosic moulded body comprising absorbed heavy metals, and the use of the same

#155
20050004240
2005-01-06

Monodisperse anion exchangers

#156
17959086
2023-05-02

Ion lithium extraction apparatus