ClassID:

168770

G01N30/36 - 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 fluid carrier; Flow patterns; Control of physical parameters of the fluid carrier in high pressure liquid systems

Recent Application in this class:
#1
20250362277
2025-11-27

LIQUID CHROMATOGRAPHY TECHNIQUE

#2
20250146984
2025-05-08

SAMPLE SEPARATION DEVICE WITH FLUID DRIVE UNIT DECOUPLING

#3
20240280547
2024-08-22

METHOD OF INTRODUCING A SAMPLE INTO A SEPARATION COLUMN AND CORRESPONDING SYSTEM

#4
20240280091
2024-08-22

DEVICE FOR CONTROLLING A PISTON PUMP UNIT FOR LIQUID CHROMATOGRAPHY

#5
20240100116
2024-03-28

EUCOMMIA ULMOIDES OLIV. LEAF EXTRACT CAPABLE OF PROTECTING HEALTH OF KIDNEY FUNCTION, AND PREPARATION AND DETECTION METHODS THEREOF

#6
20240060939
2024-02-22

SAMPLE METERING AND INJECTION FOR LIQUID CHROMATOGRAPHY

#7
20240019408
2024-01-18

METHOD FOR DETECTING MONOSACCHARIDE AND OLIGOSACCHARIDE CONTENT AND FINGERPRINT SPECTURM OF COMPOUND SOPHORA FLAVESCENS INJECTION

#8
20240011952
2024-01-11

MULTIDIMENSIONAL LC SYSTEM FOR ANALYSING ANTIBODIES

#9
20230135114
2023-05-04

Sample Injector With Metering Device Balancing Pressure Differences In An Intermediate Valve State

#10
20230077255
2023-03-09

Chromatography method for quantifying a non-ionic surfactant in a composition comprising the non-ionic surfactant and a polypeptide

#11
20230009990
2023-01-12

USE OF NEUTRAL pH MOBILE PHASES IN REVERSED PHASE CHROMATOGRAPHY OF ACIDIC PEPTIDES

#12
20220349863
2022-11-03

LC system and method with column backflushing

#13
20220347250
2022-11-03

Anti-aging chinese herb extract, extraction method and use thereof

#14
20220308019
2022-09-29

DETERMINING APPROPRIATENESS OF A SAMPLE SEPARATION APPARATUS FOR EXECUTING AN OPERATION BY SIMULATION

#15
20220299489
2022-09-22

MIXTURE OF ISOMERS OF AMINAPHTONE, ANALYTICAL METHOD FOR IDENTIFYING THEM AND PHARMACEUTICAL COMPOSITION COMPRISING SAID ISOMERS

#16
20220283127
2022-09-08

Branching off fluidic sample with low influence on source flow path

#17
20220235875
2022-07-28

VALVE ASSEMBLY

#18
20220170892
2022-06-02

ANALYZING DEVICE

#19
20210389285
2021-12-16

Fluid supply devices and fluid member for forming a mobile phase for a sample separating device

#20
20210382019
2021-12-09

System and valve for liquid chromatography

#21
20210285919
2021-09-16

Chromatograph and sample injection apparatus

#22
20210190734
2021-06-24

Sample metering and injection for liquid chromatography

#23
20210170305
2021-06-10

LIQUID CHROMATOGRAPHY TECHNIQUE

#24
20210164946
2021-06-03

Sample injector with metering device balancing pressure differences in an intermediate valve state

#25
20210102922
2021-04-08

Method of introducing a sample into a separation column and corresponding system

#26
20210101092
2021-04-08

Liquid chromatography technique

#27
20210072200
2021-03-11

Dianhydride analysis method

#28
20210055199
2021-02-25

System for measuring properties of mass transport behavior in membrane and solutions

#29
20210017970
2021-01-21

Device for controlling a piston pump unit for liquid chromatography

#30
20200340956
2020-10-29

Injector with fluid supply and mobile phase discharge

#31
20200333300
2020-10-22

Branching off fluidic sample with low influence on source flow path

#32
20200319146
2020-10-08

Liquid chromatography multi-draw method, system and use for sampling

#33
20200284769
2020-09-10

Method for operating a fractionation collector during chromatography

#34
20200271630
2020-08-27

Quick quantitative analysis method and analyzer for mixture based on spectral information

#35
20200116676
2020-04-16

SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE

#36
20200096486
2020-03-26

Preprocessing device and analysis system provided with same

#37
20200025725
2020-01-23

Supercritical fluid device

#38
20190369063
2019-12-05

Method for detecting trifluridine-related substance by high-performance liquid chromatography

#39
20190367509
2019-12-05

Dimer impurities of Apixaban and method to remove them

#40
20190265210
2019-08-29

System and valve for liquid chromatography

#41
20190265207
2019-08-29

Branching off fluidic sample with low influence on source flow path

#42
20190264671
2019-08-29

Pump for liquid chromatography with pressure sensor

#43
20190262745
2019-08-29

Liquid chromatography technique

#44
20190257757
2019-08-22

Breath Capture and Analysis System

#45
20190212309
2019-07-11

Method for detecting trifluridine-related substance by high-performance liquid chromatography

#46
20190185505
2019-06-20

Process of controlling the impurities of clindamycin hydrochloride

#47
20190178859
2019-06-13

Chromatography method for quantifying a nonionic surfactant in a composition comprising the non-ionic surfactant and a polypeptide

#48
20190170709
2019-06-06

Pressure system for liquid chromatography

#49
20190064125
2019-02-28

Measurement of fluid flow

#50
20190010940
2019-01-10

Method of pump operation, use of the method in HPLC, pump, pump system, and HPLC system

#51
20180269047
2018-09-20

Pseudo internal standard method, device and application for mass spectrometry quantitative analysis

#52
20180252684
2018-09-06

Carbon dioxide based chromatography systems including multiple carbon dioxide pumps

#53
20180246073
2018-08-30

SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE

#54
20180245581
2018-08-30

Liquid delivery device

#55
20180224405
2018-08-09

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

#56
20180172590
2018-06-21

Aldehyde Analysis System and Method of Use

#57
20180128787
2018-05-10

Method of introducing a sample into a separation column and corresponding system

#58
20180118737
2018-05-03

Dimer impurities of apixaban and method to remove them

#59
20170343520
2017-11-30

Branching off fluidic sample with low influence on source flow path

#60
20170284982
2017-10-05

Preprocessing device and analysis system provided with same

#61
20170284981
2017-10-05

PREPROCESSING DEVICE AND ANALYSIS SYSTEM PROVIDED WITH SAME

#62
20170276652
2017-09-28

ANALYZING DEVICE

#63
20170050120
2017-02-23

Method and apparatus for the equilibration of a packed chromatography column

#64
20160274071
2016-09-22

Liquid carbon dioxide delivery pump, and supercritical fluid chromatograph provided with the same

#65
20160258911
2016-09-08

Flow control in high performance liquid chromatography

#66
20160187304
2016-06-30

Apparatus and method for introducing sample into a separation unit of a chromatography system without disrupting a mobile phase

#67
20160178078
2016-06-23

Check valve having polymeric seat and poppet

#68
20160169843
2016-06-16

Pressure sensing and flow control in diffusion-bonded planar devices for fluid chromatography

#69
20150330954
2015-11-19

Supercritical fluid processing device

#70
20150308988
2015-10-29

Antibody Coformulations

#71
20150285239
2015-10-08

Determination of a fluid loss of a piston pump based on evacuation time variation

#72
20150246297
2015-09-03

System and method for controlling a liquid chromatography systems

#73
20150226712
2015-08-13

Rotary selector valve and associated systems and methods

#74
20150059865
2015-03-05

Modular solenoid valve kits and associated methods

#75
20150043303
2015-02-12

Valve switch modulation for reducing errors due to oscillations of the inlet fluid of a pump system

#76
20150040992
2015-02-12

Device capable of pressurization and associated systems and methods

#77
20150040756
2015-02-12

Regulator for improved thermal and pressure control for chromatography

#78
20150000416
2015-01-01

Fluidic chip with displacable patterned layer for detecting fluid pressure

#79
20140338432
2014-11-20

Methods of separating lipids

#80
20140193275
2014-07-10

Device for controlling a piston pump unit for liquid chromatography

#81
20140086003
2014-03-27

Valve switch modulation for reducing errors due to oscillations of the inlet fluid of a pump system

#82
20140061128
2014-03-06

Mobile phase preparation device for liquid chromatography

#83
20130219999
2013-08-29

Miniature HPLC device

#84
20130126721
2013-05-23

Measurement of 25-hydroxyvitamin D3 and C3-epi-25-hydroxyvitamin D3

#85
20130015138
2013-01-17

COMPRESSIBLE LIQUID FLASH CHROMATOGRAPHY

#86
20130000390
2013-01-03

Liquid chromatograph system

#87
20120328486
2012-12-27

Compound sample needle for liquid chromatograph

#88
20120303167
2012-11-29

Coordinating injector-valve switching with pump-stroke timing to mitigate effects of pressure pulses

#89
20120164744
2012-06-28

Flow Control in Multidimensional Chromatography

#90
20120162637
2012-06-28

Detection in Spatial Multidimensional Chromatography

#91
20120132013
2012-05-31

Sample injector with metering device balancing pressure differences in an intermediate valve state

#92
20120103887
2012-05-03

Liquid chromatograph system

#93
20110261642
2011-10-27

Valve switch modulation for reducing errors due oscillations of the inlet fluid of a pump system

#94
20110259451
2011-10-27

Chromatography system with fluid intake management

#95
20110094954
2011-04-28

Valve for use in high-performance liquid chromatography having a spherical seat with beveled outer faces

#96
20110059079
2011-03-10

Antibody Coformulations

#97
20110005304
2011-01-13

Flow control in high performance liquid chromatography

#98
20100173345
2010-07-08

Detection of blood plasma amygdalin of dissipating blood stasis botanical

#99
20100093099
2010-04-15

Detection of blood plasma Danshensu and Salvianolic acid B dissipating blood stasis botanical

#100
20100089134
2010-04-15

HPLC PUMPING APPARATUS WITH SILICON CARBIDE PISTON AND/OR WORKING CHAMBER

#101
20100083739
2010-04-08

Chromatography system with fluid intake management

#102
20100012584
2010-01-21

METHOD FOR ENRICHING ONE OR MORE COMPOUNDS OF A MIXTURE USING A LIQUID MOBILE PHASE CONTAINING A GAS

#103
20090266752
2009-10-29

Capillary-like connector for liquid chromatography, in particular, high-performance liquid chromatography with reduced dispersion and improved thermal characteristics

#104
20080268118
2008-10-30

Process for the separation and sensory evaluation of flavours using HTLC

#105
20080251141
2008-10-16

Backflow prevention for high pressure gradient systems

#106
20080145251
2008-06-19

High pressure pumping apparatus with coupled volumes in a pump working chamber

#107
20080115568
2008-05-22

Ultrahigh-pressure dual on-line solid phase extraction/capillary reverse-phase liquid chromatography system

#108
20080101970
2008-05-01

Pumping apparatus having a varying phase relationship between reciprocating piston motions

#109
20070283746
2007-12-13

Sample injector system for liquid chromatography

#110
20070183928
2007-08-09

VARIABLE FLOW RATE SYSTEM FOR COLUMN CHROMATOGRAPHY

#111
20070056357
2007-03-15

Method and device for providing defined fluid flow, especially for use in liquid chromatography

#112
20070000313
2007-01-04

Chromatography system with waste output

#113
20070000312
2007-01-04

Chromatography system with fluid intake management

#114
20070000308
2007-01-04

Chromatography system with flow sensing

#115
20060288803
2006-12-28

Chromatography system with blockage determination

#116
20060260695
2006-11-23

Device and method for controlling the flow of fluid in a conduit

#117
20060003029
2006-01-05

Method for monitoring the quality of a herbal medicine

#118
20050269264
2005-12-08

Chromatography system with gradient storage and method for operating the same

#119
20050214130
2005-09-29

Multidimensional pump apparatus and method for fully automated complex mixtures separation, identification, and quantification

#120
20050095145
2005-05-05

Liquid chromatograph pump with dual cylinders and dual plungers

#121
20050061724
2005-03-24

Integrated apparatus for degassing and blending multiple mobile phase streams

#122
20050042139
2005-02-24

Phased micro analyzer V, VI

#123
20050008516
2005-01-13

Backflow prevention for high pressure gradient systems

#124
16510913
2022-04-19

HPLC system with mixed-mode columns for measuring charged analytes in complex mixtures

#125
15845229
2018-07-17

Method for simultaneously detecting four isomers of resveratrol in peanut