ClassID:

168802

G01N2030/522 - 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 pressure

Recent Application in this class:
#1
20260126419
2026-05-07

GAS CHROMATOGRAPHY INSTRUMENT FOR DETERMINING A CONCENTRATION OF A VOLATILE MARKER

#2
20250085260
2025-03-13

TUNABLE LASER SPECTROSCOPY MEASUREMENT OF C13 ETHANE

#3
20240142414
2024-05-02

DYNAMIC AXIAL COMPRESSION FOR PREPARATIVE COLUMNS USING EXTERNAL COMPRESSION

#4
20220299486
2022-09-22

Dynamic axial compression for preparative columns using external compression

#5
20220244222
2022-08-04

Liquid delivery pump and liquid chromatograph

#6
20220214317
2022-07-07

High pressure high temperature direct fluid injection to gas chromatography in a PVT system

#7
20210382019
2021-12-09

System and valve for liquid chromatography

#8
20210181164
2021-06-17

Vacuum liquid extraction and purification systems and methods

#9
20200217826
2020-07-09

Method for amino acid analysis and system for amino acid analysis

#10
20200011841
2020-01-09

Parallel Separation and Washing in Size Exclusion Chromatography Separation or in Desalting of a Target from a Sample

#11
20190107516
2019-04-11

Vacuum liquid extraction and purification systems and methods

#12
20180128791
2018-05-10

Sorbent tube apparatus

#13
20180093201
2018-04-05

MODULAR-TYPE ANALYSIS SYSTEM

#14
20180078877
2018-03-22

HPLC column

#15
20160305918
2016-10-20

Piston and process column

#16
20110094953
2011-04-28

Chromatography column

#17
20100256925
2010-10-07

System for automated compression of chromatography columns

#18
20100181240
2010-07-22

HPLC COLUMN

#19
20100163490
2010-07-01

MODULAR CHROMATOGRAPHY DEVICE

#20
20100126921
2010-05-27

MULTIPLE SEGMENT CHROMATOGRAPHY ASSEMBLY FOR PACKING A CHROMATOGRAPHY COLUMN

#21
20100084341
2010-04-08

Chromatography column method of variable speed operation

#22
20100000928
2010-01-07

Chromatography columns and their operation

#23
20090184039
2009-07-23

MONOLITHIC COLUMN

#24
20090078634
2009-03-26

Chromatography columns

#25
20090014389
2009-01-15

Intelligent system and method for automated packing of chromatography columns

#26
20090001007
2009-01-01

Separation column for liquid chromatograph apparatus and liquid chromatograph apparatus using thereof

#27
20080203020
2008-08-28

Processes employing movable particles

#28
20080185327
2008-08-07

Disposable monolithic column

#29
20080179773
2008-07-31

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

#30
20080110814
2008-05-15

Chromatographic column and methods for controlling sorbent density

#31
20070262021
2007-11-15

System for automated compression of chromatography columns

#32
20070221557
2007-09-27

Chromatography column having flexible substrate

#33
20070138098
2007-06-21

Chromatography columns and their operation

#34
20070090035
2007-04-26

Method and apparatus for packing chromatography columns

#35
20060266684
2006-11-30

Chromatography column with movable adapter

#36
20060219616
2006-10-05

Intelligent system and method for automated packing of chromatography columns

#37
20060207939
2006-09-21

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

#38
20060196832
2006-09-07

System for automated compression of chromatography columns

#39
20060113232
2006-06-01

Chromatography columns

#40
20060054545
2006-03-16

Chromatography columns

#41
20060049090
2006-03-09

Chromatographic device and method of forming a chromatographic device

#42
20060043020
2006-03-02

Process for the extraction of paclitaxel and 9-dihydro-13-acetylbaccatin III from

#43
20060027502
2006-02-09

Chromatographic column seal

#44
20050274662
2005-12-15

Monolithic column

#45
20050224414
2005-10-13

Chromatographic column and methods for controlling sorbent density

#46
20050133452
2005-06-23

Separation method

#47
20050087494
2005-04-28

Protection of the chromatographic bed in dynamic axial compression chromatography devices

#48
20050061745
2005-03-24

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

#49
20050019814
2005-01-27

Pressure-enhanced extraction and purification

#50
18720294
2024-11-26

Tunable laser spectroscopy measurement of C13 ethane