ClassID:

168800

G01N30/52 - CPC Classification

Classification description:

Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation; Column chromatography; Conditioning of the sorbent material or stationary liquid Physical parameters

Sub-classes:
Recent Application in this class:
#1
20260091368
2026-04-02

SYSTEM AND METHOD OF APPLIED RADIAL TECHNOLOGY CHROMATOGRAPHY

#2
20260085108
2026-03-26

METHODS OF SEPARATING CHELATOR

#3
20260079138
2026-03-19

USE OF VAPOR DEPOSITION COATED FLOW PATHS FOR IMPROVED ANALYTICAL ANALYSIS

#4
20260061412
2026-03-05

ACID-FUNCTIONALIZED ION EXCHANGE MATERIAL

#5
20260028598
2026-01-29

Method for separating full and empty AAV particles

#6
20250090978
2025-03-20

METHOD OF PURIFICATION AND PURIFIED PRODUCTS

#7
20250085260
2025-03-13

TUNABLE LASER SPECTROSCOPY MEASUREMENT OF C13 ETHANE

#8
20240402141
2024-12-05

METHOD FOR FILLING COLUMN WITH CHROMATOGRAPHY CARRIER, METHOD FOR STORING SLURRY, AND SLURRY

#9
20240157332
2024-05-16

System and method of applied radial technology chromatography

#10
20240151695
2024-05-09

Direct capture using large bead chromatography media

#11
20240142414
2024-05-02

DYNAMIC AXIAL COMPRESSION FOR PREPARATIVE COLUMNS USING EXTERNAL COMPRESSION

#12
20240075407
2024-03-07

Method of purification and purified products

#13
20240011954
2024-01-11

GAS CHROMATOGRAPHY SYSTEMS AND METHODS WITH DIAGNOSTIC AND PREDICTIVE MODULE

#14
20230417711
2023-12-28

Microscale Collector-Injector Technologies For Passive Environmental Vapor Sampling And Focused Injection

#15
20230393104
2023-12-07

USE OF VAPOR DEPOSITION COATED FLOW PATHS FOR IMPROVED ANALYTICAL ANALYSIS

#16
20230390738
2023-12-07

Packing material and method for producing the same, and column for size exclusion chromatography

#17
20230366860
2023-11-16

DUAL STATIONARY PHASE GRADIENT COLUMNS FOR NEW SELECTIVITIES IN LIQUID CHROMATOGRAPHY

#18
20230226464
2023-07-20

SPACER RING FOR CHROMATOGRAPHY DEVICE

#19
20230191281
2023-06-22

Sample clean up method

#20
20220362685
2022-11-17

Chromatographic cassette

#21
20220299486
2022-09-22

Dynamic axial compression for preparative columns using external compression

#22
20220297087
2022-09-22

System and method of applied radial technology chromatography

#23
20220229025
2022-07-21

CHROMATOGRAPHY BEADS CONTAINER LIFTING SYSTEM

#24
20220074899
2022-03-10

Micro-separator having stationary phase with three dimensional nano-structure and method for manufacturing the same

#25
20210181164
2021-06-17

Vacuum liquid extraction and purification systems and methods

#26
20210055271
2021-02-25

Direct capture using large bead chromatography media

#27
20200309744
2020-10-01

HYDROPHILIC ANION EXCHANGE CHROMATOGRAPHY MEDIA

#28
20200254362
2020-08-13

Sample clean up device and method

#29
20200232954
2020-07-23

Microscale collector-injector technologies for passive environmental vapor sampling and focused injection

#30
20200217827
2020-07-09

Use of vapor deposition coated flow paths for improved analytical analysis

#31
20200173966
2020-06-04

DEVICES AND METHODS FOR ENRICHING PEPTIDES DURING BIOANALYTICAL SAMPLE PREPARATION

#32
20200114278
2020-04-16

Chromatographic cassette

#33
20190366235
2019-12-05

Stackable planar adsorptive devices

#34
20190176127
2019-06-13

System and method of applied radial technology chromatography

#35
20190107516
2019-04-11

Vacuum liquid extraction and purification systems and methods

#36
20190060871
2019-02-28

Chromatography stationary phase

#37
20180348174
2018-12-06

Monolithic sorbents having a metal cladding

#38
20180236378
2018-08-23

Laterally-fed membrane chromatography device

#39
20180224405
2018-08-09

Method for analyzing related substances of a pharmaceutical composition containing a polymeric carrier

#40
20180149627
2018-05-31

LOW PRESSURE ANION EXCHANGE CHROMATOGRAPHY-TURBIDIMETRIC METHOD FOR SIMULTANEOUS ONLINE ANALYSIS OF TRACE SULFIDE AND CHLORIDE IN WATER SAMPLES

#41
20180128790
2018-05-10

Detection system and method with nanostructure flow cell

#42
20170328872
2017-11-16

CHROMATOGRAPHIC SEPARATION DEVICE HAVING IMPROVED PEAK CAPACITY

#43
20170312735
2017-11-02

Silica-based stationary phase for a chromatography column and methods for producing the same

#44
20170259189
2017-09-14

Hyper-productive chromatography system and process

#45
20170182433
2017-06-29

Stackable planar adsorptive devices

#46
20170108474
2017-04-20

MASS SPECTROMETRY METHOD FOR ORGANIC ACID, ANALYTICAL COLUMN AND ANALYTICAL DEVICE

#47
20160161453
2016-06-09

Stackable planar adsorptive devices

#48
20160153943
2016-06-02

Monolithic column chromatography

#49
20160109417
2016-04-21

Adsorbent and analysis method using same

#50
20150219604
2015-08-06

Chromatography columns

#51
20150140333
2015-05-21

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#52
20150089997
2015-04-02

System and method for rapid analysis of polycyclic aromatic hydrocarbons

#53
20140367338
2014-12-18

Chromatography media and devices

#54
20140339170
2014-11-20

Stackable planar adsorptive devices

#55
20120222470
2012-09-06

WAY OF METHOD TRANSFER OF LIQUID CHROMATOGRAPH AND LIQUID CHROMATOGRAPH SYSTEM

#56
20120048108
2012-03-01

Differential acceleration chromatography

#57
20120045788
2012-02-23

Device for sample preparation

#58
20110297542
2011-12-08

METHOD OF FABRICATION OF MONOLITHIC STATIONARY PHASES FOR SEPARATIONS, AND METHODS OF SEPARATION USING SUCH STATIONARY PHASES

#59
20110290999
2011-12-01

MONOLITHIC COLUMN CHROMATOGRAPHY

#60
20110272357
2011-11-10

APPARATUS AND METHOD FOR MATERIAL SEPARATION

#61
20110094955
2011-04-28

Separating agent for optical isomers and separation column for optical isomers

#62
20110089095
2011-04-21

SEPARATING AGENT FOR OPTICAL ISOMERS AND SEPARATION COLUMN FOR OPTICAL ISOMERS

#63
20110039690
2011-02-17

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#64
20110023711
2011-02-03

Monolith adsorbent and method and apparatus for adsorbing samples with the same

#65
20100256925
2010-10-07

System for automated compression of chromatography columns

#66
20100210820
2010-08-19

Protein refolding column filler and column

#67
20100173070
2010-07-08

Porous Substrates, Articles, Systems and Compositions Comprising Nanofibers and Methods of Their Use and Production

#68
20100032357
2010-02-11

CHROMATOGRAPHY COLUMN AND MANUFACTURING METHOD OF THE SAME

#69
20090297853
2009-12-03

PROCESS FOR PREPARING SUBSTRATES WITH POROUS SURFACE

#70
20090288473
2009-11-26

Way of method transfer of liquid chromatograph and liquid chromatograph system

#71
20090188799
2009-07-30

METHOD AND APPARATUS FOR GENERATING A HIGH PURITY ELUANT

#72
20090184039
2009-07-23

MONOLITHIC COLUMN

#73
20090143227
2009-06-04

Porous substrates, articles, systems and compositions comprising nanofibers and methods of their use and production

#74
20090139934
2009-06-04

Differential acceleration chromatography

#75
20090100906
2009-04-23

Phased micro analyzer VIII

#76
20090053470
2009-02-26

Method for Preparing Monolithic Separation and Reaction Media in a Separation or Reaction Channel

#77
20080283458
2008-11-20

Separation column and liquid chromatography apparatus using the same

#78
20080277346
2008-11-13

Process for preparing substrates with porous surface

#79
20080245716
2008-10-09

Separation column and liquid chromatography system with this column

#80
20080190850
2008-08-14

Apparatuses and methods for electrochemically modifying the retention of species on chromatography material

#81
20080093300
2008-04-24

Monolithic column chromatography

#82
20080074661
2008-03-27

Online analyte detection by surface enhanced Raman scattering (SERS)

#83
20070274867
2007-11-29

STATIONARY PHASE FOR A MICRO FLUID ANALYZER

#84
20070262021
2007-11-15

System for automated compression of chromatography columns

#85
20070227957
2007-10-04

Separating agent for optical isomers and separation column for optical isomers

#86
20070221557
2007-09-27

Chromatography column having flexible substrate

#87
20070189944
2007-08-16

Porous microparticles with solid cores

#88
20070012627
2007-01-18

Narrow I.D. monolithic capillary columns for high efficiency separation and high sensitivity analysis of biomolecules

#89
20060266708
2006-11-30

Integrated on-line two-dimensional method and device for synchroned analytical temperature rising elution fractionation and gel permeation chromatography

#90
20060228261
2006-10-12

Stationary phase materials for micro gas analyzer

#91
20060196832
2006-09-07

System for automated compression of chromatography columns

#92
20060000238
2006-01-05

Method for forming a capillary column for filtering, separation and concentration

#93
20050274662
2005-12-15

Monolithic column

#94
20050271545
2005-12-08

Column for analytical temperature rising elution fractionation (ATREF)

#95
20050252774
2005-11-17

Method and apparatus for generating a high purity eluant

#96
20050236313
2005-10-27

Composition and method for high efficiency chromatography

#97
20050176154
2005-08-11

Molecular topological fractionation of macromolecules

#98
20050142662
2005-06-30

Phased micro analyzer VIII

#99
20050136195
2005-06-23

Methods and devices utilizing adsorption of chiral molecules at a surface or interface

#100
20050087494
2005-04-28

Protection of the chromatographic bed in dynamic axial compression chromatography devices

#101
20050061745
2005-03-24

Separation system, components of a separation system and methods of making and using them

#102
20050023221
2005-02-03

Channeled polymer fibers as stationary/support phases for chemical separation by liquid chromatography and for waste stream clean-up

#103
20050019814
2005-01-27

Pressure-enhanced extraction and purification

#104
18720294
2024-11-26

Tunable laser spectroscopy measurement of C13 ethane

#105
18386944
2025-09-09

Separation module