ClassID:

33459

B01J41/20 - CPC Classification

Classification description:

Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties Anion exchangers for chromatographic processes

Recent Application in this class:
#1
20260132385
2026-05-14

NOVEL ANION-EXCHANGE CHROMATOGRAPHY METHODS FOR SEPARATION OF EMPTY FROM FULL RECOMBINANT ADENO-ASSOCIATED VIRUS PARTICLES

#2
20260061412
2026-03-05

ACID-FUNCTIONALIZED ION EXCHANGE MATERIAL

#3
20260028597
2026-01-29

PURIFICATION OF BIOLOGICAL PARTICLES

#4
20250304917
2025-10-02

A METHOD FOR SEPARATING ADENO-ASSOCIATED VIRUS CAPSIDS, COMPOSITIONS OBTAINED BY SAID METHOD AND USES THEREOF

#5
20250263676
2025-08-21

SCALABLE PURIFICATION METHOD FOR AAV1

#6
20240261705
2024-08-08

CHROMATOGRAPHY MEDIUM FOR USE IN PURIFICATION OF ENVELOPED VIRUS PARTICLES OR EXOSOMES

#7
20230416695
2023-12-28

SCALABLE PURIFICATION METHOD FOR AAV9

#8
20230323312
2023-10-12

Scalable purification method for AAV1

#9
20230219063
2023-07-13

Analytical method for sugar chains having acidic groups

#10
20230091082
2023-03-23

Chromatographic methods for purification of proteins from plasma

#11
20220362758
2022-11-17

ANTIBODY DRUG CONJUGATE PURIFICATION

#12
20220339618
2022-10-27

Ion Exchange Stationary Phases For Analyzing Polyvalent Ions

#13
20220339555
2022-10-27

Amine separation method using liquid chromatography

#14
20220297088
2022-09-22

FUNCTIONALIZED SUPPORT MATERIAL AND METHODS OF MAKING AND USING FUNCTIONALIZED SUPPORT MATERIAL

#15
20220204712
2022-06-30

Method for producing a hydrophilic surface on PS/DVB copolymer particles

#16
20220203347
2022-06-30

METHOD FOR REGENERATION OF AN OVERLOAD CHROMATOGRAPHY COLUMN

#17
20220168667
2022-06-02

A Chromatography System

#18
20220049240
2022-02-17

Purification methods for guanine-rich oligonucleotides

#19
20220041934
2022-02-10

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

#20
20220041650
2022-02-10

PURIFICATION METHOD FOR RECOMBINANT PROTEINS AND NANOPARTICLES

#21
20210395370
2021-12-23

METHOD FOR PURIFYING ACTIVE POLYPEPTIDES OR IMMUNOCONJUGATES

#22
20210348133
2021-11-11

Scalable purification method for AAV9

#23
20210348132
2021-11-11

Scalable purification method for AAV1

#24
20210308599
2021-10-07

Sulfonamide based anion exchange resins

#25
20210277364
2021-09-09

Scalable purification method for AAV8

#26
20210268477
2021-09-02

Sterile chromatography resin and use thereof in manufacturing processes

#27
20210238560
2021-08-05

Scalable purification method for AAVRH10

#28
20210162370
2021-06-03

Chromatography medium

#29
20210129128
2021-05-06

Longitudinal gradient chromatography columns

#30
20210047387
2021-02-18

METHODS FOR PURIFYING HETERODIMERIC MULTISPECIFIC ANTIBODIES FROM PARENTAL HOMODIMERIC ANTIBODY SPECIES

#31
20210016266
2021-01-21

Functionalized polyolefin capillaries for open tubular ion chromatography

#32
20210009658
2021-01-14

IL-15/IL-15Ralpha based conjugates purification method

#33
20200264144
2020-08-20

Ion exchange chromatography column, method, and system thereof

#34
20200231680
2020-07-23

Method for purifying active polypeptides or immunoconjugates

#35
20200181054
2020-06-11

Acetone purification systems and methods

#36
20200172971
2020-06-04

CHROMATOGRAPHY PACKING FOR SEPARATION AND/OR DETECTION OF METHYLATED DNA

#37
20200047176
2020-02-13

Anion exchange stationary phases based on crosslinked hydroxyalkylamine layer and glycidol

#38
20200002264
2020-01-02

High-purity carboxylic acid ester and method for producing same

#39
20190358621
2019-11-28

Multimodal chromatographic media for protein separation

#40
20190291094
2019-09-26

Anion exchange stationary phases based on crosslinked hydroxyalkylamine layer and glycidol

#41
20190284321
2019-09-19

Heat-Induced Grafting Of Nonwovens For High Capacity Ion Exchange Separation

#42
20190218250
2019-07-18

Methods of reducing level of one or more impurities in a sample during protein purification

#43
20190134621
2019-05-09

Ion exchange stationary phases for analyzing polyvalent ions

#44
20190126167
2019-05-02

SULFONAMIDE BASED ANION EXCHANGE RESINS

#45
20190111419
2019-04-18

Chromatography matrix

#46
20190046969
2019-02-14

Microparticles for cell disruption and/or biomolecule recovery

#47
20190023841
2019-01-24

Methods of preparing and purifying polyalkylene glycol derivative

#48
20190023735
2019-01-24

Multimodal anion exchange matrices

#49
20190002844
2019-01-03

Scalable purification method for AAV8

#50
20190002843
2019-01-03

Scalable purification method for AAV1

#51
20190002842
2019-01-03

Scalable purification method for AAV9

#52
20190002841
2019-01-03

Scalable purification method for AAVRH10

#53
20190001300
2019-01-03

Calcium alginate adsorbents

#54
20180371094
2018-12-27

Method for purifying active polypeptides or immunoconjugates

#55
20180369786
2018-12-27

Sterile chromatography resin and use thereof in manufacturing processes

#56
20180369785
2018-12-27

Separation medium

#57
20180353939
2018-12-13

Mixed-mode chromatography membranes

#58
20180273465
2018-09-27

HIGH-PURITY CARBOXYLIC ACID ESTER AND METHOD FOR PRODUCING SAME

#59
20180215786
2018-08-02

REMOVAL OF PROTEIN AGGREGATES FROM BIOPHARMACEUTICAL PREPARATIONS IN A FLOW-THROUGH MODE

#60
20180154281
2018-06-07

Chromatography ligand

#61
20180134740
2018-05-17

NOVEL CROSSLINKED POLYMERIC SUBSTRATES METHODS OF PREPARATION AND END USE APPLICATIONS OF THE SUBSTRATES

#62
20180127460
2018-05-10

Chromatographic methods for purification of proteins from plasma

#63
20180118598
2018-05-03

NITRATE REMOVAL BY ION EXCHANGE AND BIOREGENERATION

#64
20180093262
2018-04-05

Functionalized polyolefin capillaries for open tubular ion chromatography

#65
20180085743
2018-03-29

Chromatography media and method

#66
20180079797
2018-03-22

Methods for purifying heterodimeric multispecific antibodies from parental homodimeric antibody species

#67
20180071655
2018-03-15

Adsorbent for chromatographic separation of proteins

#68
20180005719
2018-01-04

Process for the purification of Ga-68 from eluate deriving from Ge/Ga generators and chromatographic columns for use in said process

#69
20170368534
2017-12-28

Method for separation of radioactive sample using monolithic body on microfluidic chip

#70
20170363592
2017-12-21

Charge reversible ion exchange resins, chromatography column, method, and system thereof

#71
20170320901
2017-11-09

Fluoride trapping arrangement

#72
20170232433
2017-08-17

Anionic exchange-hydrophobic mixed mode

#73
20170197156
2017-07-13

Superficially porous particle (SPP) chiral phases for liquid chromatography

#74
20170165638
2017-06-15

High surface area fiber media with nano-fibrillated surface features

#75
20170158732
2017-06-08

Virus reduction method

#76
20170145100
2017-05-25

Method for purifying active polypeptides or immunoconjugates

#77
20170121376
2017-05-04

Preparation methods for a novel generation of biological safe KLH products used for cancer treatment, for the development of conjugated therapeutic vaccines and as challenging agents

#78
20170065962
2017-03-09

PROTEIN ADSORBENT

#79
20170065906
2017-03-09

Continuous process for separation of proteins

#80
20170058019
2017-03-02

Immunoglobulin purification using pre-cleaning steps

#81
20170056874
2017-03-02

IL-15/IL-15Ralpha based conjugates purification method

#82
20170056854
2017-03-02

Functionalized support material and methods of making and using functionalized support material

#83
20170028394
2017-02-02

Ion-exchange composition comprising a complex of support particles, dispersant, and electrostatically bound layering particles

#84
20160370329
2016-12-22

Ion exchange chromatography column, method, and system thereof

#85
20160288089
2016-10-06

Chromatography medium

#86
20160200760
2016-07-14

Microparticles for cell disruption and/or biomolecule recovery

#87
20160199829
2016-07-14

Method for regeneration of spent ion exchange resins

#88
20160193598
2016-07-07

Adsorbent composition and use thereof

#89
20160187305
2016-06-30

Current-efficient suppressor and pretreatment device and method

#90
20160121321
2016-05-05

Amino-containing polymeric material with rigid and contorted divinyl crosslinker

#91
20160089667
2016-03-31

Sulfonyl-containing polymers based on free-radically polymerizable spirobisindane monomers

#92
20160082429
2016-03-24

Sulfonyl-containing polymeric material with rigid and contorted divinyl crosslinker

#93
20160046664
2016-02-18

Purification of immunoglobulins from plasma

#94
20160016992
2016-01-21

Methods of reducing level of one or more impurities in a sample during protein purification

#95
20150299248
2015-10-22

Multimodal anion exchange matrices

#96
20150292991
2015-10-15

Disposable direct capture device

#97
20150291760
2015-10-15

Method for the preparation of macroporous particles and macroporous microclusters

#98
20150258540
2015-09-17

Chromatography media and method

#99
20150247211
2015-09-03

Separation and recovery of xylose using weakly basic anion exchange resins

#100
20150203531
2015-07-23

Sterile chromatography resin and use thereof in manufacturing processes

#101
20150202595
2015-07-23

Sterile affinity chromatography resin

#102
20150073128
2015-03-12

Chromatography ligand

#103
20140367338
2014-12-18

Chromatography media and devices

#104
20140357742
2014-12-04

Protein adsorbent

#105
20140357741
2014-12-04

Methods and compositions for preparing and purifying noribogaine

#106
20140332387
2014-11-13

Current efficient electrolytic device and method

#107
20140273264
2014-09-18

Epoxy chemistry derived materials as mixed mode chromatography media, method for their synthesis and use

#108
20140178912
2014-06-26

Separation of glycans by mixed-mode liquid chromatography

#109
20140083946
2014-03-27

Hydrolytically stable ion-exchange stationary phases and uses thereof

#110
20140069870
2014-03-13

Glycidol functionalized anion exchange stationary phases

#111
20130309775
2013-11-21

Polymer for filler for preprocessing column

#112
20130237692
2013-09-12

Anionic exchange-hydrophobic mixed mode

#113
20130202626
2013-08-08

Method for purifying active polypeptides or immunoconjugates

#114
20130197200
2013-08-01

Methods of reducing level of one or more impurities in a sample during protein purification

#115
20130034893
2013-02-07

Methods for Coupling of Molecules to Metal/Metal Oxide Surfaces

#116
20120309618
2012-12-06

Method for production of chromatography media

#117
20120248033
2012-10-04

POROUS MATERIALS FOR SOLID PHASE EXTRACTION AND CHROMATOGRAPHY AND PROCESSES FOR PREPARATION AND USE THEREOF

#118
20120231195
2012-09-13

Electrostatically bound hyperbranched anion exchange surface coating prepared via condensation polymerization using ditertiary amine linkers for improved divalent anion selectivity

#119
20120220729
2012-08-30

LIQUID PHASE SEPARATION OF PLASMID DNA ISOFORMS AND TOPOISOMERS

#120
20120202976
2012-08-09

SEPARATION MATRICES

#121
20120156757
2012-06-21

PURIFICATION OF IMMUNOGENS USING A NON-POLYSACCHARIDE MATRIX

#122
20120077249
2012-03-29

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

#123
20120029176
2012-02-02

Chromatography media and method

#124
20120029154
2012-02-02

GRAFTING METHOD TO IMPROVE CHROMATOGRAPHY MEDIA PERFORMANCE

#125
20120024792
2012-02-02

Process for making improved chromatography media and method of use

#126
20120024791
2012-02-02

PROCESS FOR MAKING IMPROVED CHROMATOGRAPHY MEDIA AND METHOD OF USE

#127
20110313147
2011-12-22

CHROMATOGRAPHIC MATERIAL FOR THE ABSORPTION OF PROTEINS AT PHYSIOLOGICAL IONIC STRENGTH

#128
20110301330
2011-12-08

Cellulose gel for purification of immunoglobulin

#129
20110290714
2011-12-01

Monolithic organic porous body, monolithic organic porous ion exchanger, and process for producing the monolithic organic porous body and the monolithic organic porous ion exchanger

#130
20110266225
2011-11-03

Chromatography ligand

#131
20110240541
2011-10-06

MONOLITHIC COLUMN TECHNOLOGY FOR LIQUID CHROMATOGRAPHY

#132
20110210055
2011-09-01

High capacity ion chromatography stationary phases and method of forming

#133
20110166332
2011-07-07

ENHANCED ANTIBODY AGGREGATE REMOVAL WITH CAPTO ADHERE IN THE PRESENCE OF PROTEIN-EXCLUDED ZWITTERIONS

#134
20110139717
2011-06-16

Membranes and associated methods for purification of antibodies

#135
20110138935
2011-06-16

POLYMER FOR FILLER FOR PREPROCESSING COLUMN

#136
20110136925
2011-06-09

Graft copolymers for ion exchange chromatography

#137
20110121229
2011-05-26

ENANTIOSELECTIVE ZWITTERIONIC ION-EXCHANGE MATERIAL

#138
20110118442
2011-05-19

Chromatography ligand

#139
20110065900
2011-03-17

SEPARATION METHOD UTILIZING POLYALLYLAMINE LIGANDS

#140
20100324159
2010-12-23

Ion exchange porous resins for solid phase extraction and chromatography

#141
20100300972
2010-12-02

Porous materials for solid phase extraction and chromatography and processes for preparation and use thereof

#142
20100298548
2010-11-25

Method for production of separation media

#143
20100210821
2010-08-19

Process for isolation and purification of a target protein free of prion protein (PrP)

#144
20100116748
2010-05-13

Method of making macroporous anion exchange resins

#145
20100047904
2010-02-25

MATERIALS, METHODS AND SYSTEMS FOR PURIFICATION AND/OR SEPARATION

#146
20100047551
2010-02-25

Composite materials comprising supported porous gels containing reactive functional groups

#147
20100044316
2010-02-25

Composite materials comprising supported porous gels

#148
20100029914
2010-02-04

Packing material with excellent hydrophilicity and process for producing the same

#149
20100009867
2010-01-14

Multi-modal ion exchange chromatography resins

#150
20090277838
2009-11-12

Functionalized substrates with ion-exchange properties

#151
20090274634
2009-11-05

Crosslinked polymeric substrates methods of preparation and end use applications of the substrates

#152
20090184039
2009-07-23

MONOLITHIC COLUMN

#153
20090139323
2009-06-04

Ion exchange porous resins for solid phase extraction and chromatography

#154
20090127177
2009-05-21

Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation

#155
20090035552
2009-02-05

Composite materials comprising supported porous gels containing reactive functional groups

#156
20090032463
2009-02-05

Method for separating a substance from a fluid

#157
20090029438
2009-01-29

Composite material comprising supported porous gel containing functional groups and method of separating substances

#158
20090008328
2009-01-08

Separating substances with supported porous gels containing metal-affinity ligands complexed with metal ions

#159
20080314831
2008-12-25

Absorbing biological substances from liquid with supported porous gels containing binding sites

#160
20080312416
2008-12-18

Composite materials comprising supported porous gels containing metal-affinity ligands

#161
20080164211
2008-07-10

Mixed-modal anion-exchanged type separation material

#162
20080116138
2008-05-22

Packing Material for Ion Chromatography

#163
20080026375
2008-01-31

Compositions and Methods for Isolation of Biological Molecules

#164
20070259453
2007-11-08

Method of antibody purification

#165
20070244307
2007-10-18

Chromatography ligand

#166
20070243383
2007-10-18

Porous inorganic/organic hybrid particles for chromatographic separations and process for its preparation

#167
20070207493
2007-09-06

Positively charged membrane

#168
20070205156
2007-09-06

Ion exchange porous resins for solid phase extraction and chromatography

#169
20070161000
2007-07-12

Plasmid purification

#170
20070151910
2007-07-05

Chromatographic material for the absorption of proteins at physiological ionic strength

#171
20070142590
2007-06-21

Method of making macroporous anion exchange resins

#172
20070062854
2007-03-22

Agglomerated ion exchange particle bed and method

#173
20070039891
2007-02-22

Separation of proteins based on isoelectric point using solid-phase buffers

#174
20060263766
2006-11-23

Compositions and chromatography materials for bioseparation

#175
20060254969
2006-11-16

Column for ion chromatograph, suppressor and ion chromatograph

#176
20060249445
2006-11-09

Positively charged membrane

#177
20060246285
2006-11-02

Process for the production of cellulosic moulded bodies

#178
20060175237
2006-08-10

Method of preparing multi-modal anion-exchange ligands

#179
20060154997
2006-07-13

Ion exchanger

#180
20060154996
2006-07-13

Ion exchanger

#181
20060105325
2006-05-18

Adsorbent with enhanced protein binding capacity and selectivity

#182
20060091014
2006-05-04

Ion exchanger

#183
20060084765
2006-04-20

Crosslinked (meth)acrylamide particles, process for their production and their use

#184
20060076296
2006-04-13

Novel stationary phases for use in high-performance liquid chromatography

#185
20060021939
2006-02-02

Porous materials for solid phase extraction and chromatography and processes for preparation and use thereof

#186
20050287657
2005-12-29

Method for producing recombinant adenovirus

#187
20050274662
2005-12-15

Monolithic column

#188
20050267295
2005-12-01

Method for selective removal of a substance from samples containing compounds having nucleic acid structure

#189
20050261385
2005-11-24

Macroporous ion exchange resins

#190
20050261384
2005-11-24

Macroporous ion exchange resins

#191
20050242038
2005-11-03

Novel stationary phases for use in high-performance liquid chromatography

#192
20050242037
2005-11-03

Chromatographic two-layer particles

#193
20050222279
2005-10-06

Surface-modified base matrices

#194
20050214815
2005-09-29

Bi-functional polymer chip

#195
20050211621
2005-09-29

Positively charged membrane

#196
20050205494
2005-09-22

Method for separation of actinide elements

#197
20050189279
2005-09-01

Stationary phase for liquid chromatography using chemically modified diamond surfaces

#198
20050181224
2005-08-18

Coated ion exchanged substrate and method of forming

#199
20050161401
2005-07-28

Separation of sugars, sugar alcohols, carbohydrates and mixtures thereof

#200
20050032922
2005-02-10

Functionalized polymeric media for separation of analytes

#201
20050023203
2005-02-03

Universal bonded phase material for chromatographic separation