ClassID:

168874

G01N30/78 - 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; Detectors specially adapted therefor using more than one detector

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

GAS CHROMATOGRAPHY INSTRUMENT FOR DETERMINING A CONCENTRATION OF A VOLATILE MARKER

#2
20260063603
2026-03-05

PROCESS FOR DIFFERENTIATION OF HIGH-VALUE NATURAL ESSENTIAL OIL-BASED AROMA CHEMICALS FROM SYNTHETIC ANALOGUES

#3
20250321183
2025-10-16

Spectroscopy Systems And Methods For Analyzing Liquids At Vacuum Ultraviolet (VUV) Wavelengths

#4
20250246268
2025-07-31

Multivariate Spectral Analysis and Monitoring for Biomanufacturing

#5
20250020620
2025-01-16

AN ELECTRON CAPTURE DETECTOR OPERATING WITH A SCINTILLATION CRYSTAL

#6
20240353378
2024-10-24

ANALYSIS DEVICE AND ANALYSIS METHOD FOR QUALITY INDEX OF NATURAL GAS PRODUCT AND APPLICATION

#7
20240319151
2024-09-26

CHROMATOSCOPY: AUTOMATED CHEMICAL ANALYSIS VIA IN-COLUMN SPECTROSCOPY

#8
20240310337
2024-09-19

Flow Splitter for Gas Chromatography Systems

#9
20240159719
2024-05-16

SYSTEM AND METHOD FOR DETECTING FLUID MIXTURE

#10
20240053308
2024-02-15

Peak Alignment Method for Gas Chromatography Flow Splitter

#11
20230417713
2023-12-28

ANALYTICAL APPARATUS

#12
20230408466
2023-12-21

Modular gas detection system for a wellbore

#13
20220266171
2022-08-25

Analysis method

#14
20220163500
2022-05-26

INDEX MATERIAL FOR CLASSIFICATION OF KOREAN GINSENG AND CLASSIFICATION OF KOREAN GINSENG SPECIES USING THE SAME

#15
20220101953
2022-03-31

Multivariate spectral analysis and monitoring for biomanufacturing

#16
20210405001
2021-12-30

LIQUID ANALYZER SYSTEM WITH ON-LINE ANALYSIS OF SAMPLES

#17
20210405000
2021-12-30

Gas phase component analysis device and gas phase component analysis method

#18
20210382022
2021-12-09

SYSTEM FOR COLLECTING LIQUID SAMPLES

#19
20210311000
2021-10-07

Gas chromatograph device and analysis support method for gas chromatograph device

#20
20210199632
2021-07-01

Transfer line, GCMS arrangement and mounting assembly

#21
20210193446
2021-06-24

Automatic MS-N characterization of mass spectrometric “dark matter”

#22
20210033571
2021-02-04

System and method for providing on-line measurement of impurities in liquid ethylene oxide streams

#23
20200400626
2020-12-24

Method for analysing hydrocarbons

#24
20200378934
2020-12-03

Method in a Chromatography System

#25
20200319149
2020-10-08

System for collecting liquid sample

#26
20200292518
2020-09-17

System and method for calculating the research octane number and the motor octane number for a liquid blended fuel

#27
20200225203
2020-07-16

Real-time air monitoring with multiple sensing modes

#28
20200200721
2020-06-25

Diagnostic apparatus

#29
20200011769
2020-01-09

INDENTIFICATION OF CHEMICALS IN A SAMPLE USING GC/SAW AND RAMAN SPECTROSCOPY

#30
20190376938
2019-12-12

Vacuum ultraviolet absorption spectroscopy system and method

#31
20190346411
2019-11-14

Progressive cellular architecture for microfabricated gas chromatograph

#32
20190339237
2019-11-07

Microwave resonator flame ionization detector

#33
20190331660
2019-10-31

Compact gas analysis device and method

#34
20190293614
2019-09-26

Vacuum ultraviolet absorption spectroscopy system and method

#35
20190277817
2019-09-12

Data analyzer for chromatograph mass spectrometry

#36
20190272894
2019-09-05

Multivariate spectral analysis and monitoring for biomanufacturing

#37
20190265215
2019-08-29

Integrated column and detector in a module for liquid chromatography

#38
20190179874
2019-06-13

Analysis data processing method and analysis data processing device

#39
20190170761
2019-06-06

Methods for the rapid preparation of labeled glycosylamines from complex matrices using molecular weight cut off filtration and on-filter deglycosylation

#40
20190137467
2019-05-09

Real-time air monitoring with multiple sensing modes

#41
20190025262
2019-01-24

Refrigerant introducer and gas chromatograph

#42
20180346957
2018-12-06

High throughput quantification and characterization of foot and mouth disease virus and products thereof

#43
20180339244
2018-11-29

METHOD FOR CONTROLLING CONTINUOUS CHROMATOGRAPHY AND MULTI-COLUMN CHROMATOGRAPHY ARRANGEMENT

#44
20180335408
2018-11-22

COMBINED FLUORESCENCE AND ABSORPTION DETECTOR FOR ON-COLUMN DETECTION AFTER CAPILLARY SEPARATION TECHNIQUES

#45
20180299416
2018-10-18

Method for identifying an analyte in a fluid

#46
20180284082
2018-10-04

HIGH-SPEED GAS SAMPLE ANALYSIS DEVICE USING GAS CHROMATOGRAPHY, AND METHOD THEREOF

#47
20180275113
2018-09-27

Method and system for contemporaneous analysis of a crude oil front end and a crude oil boiling point distribution via a single gas chromatograph

#48
20180275104
2018-09-27

Chromatography system and a method therefor

#49
20180250610
2018-09-06

MULTI-MODAL, MULTI-DETECTOR LIQUID CHROMATOGRAPHIC SYSTEM

#50
20180238844
2018-08-23

Analysis method for mycotoxins

#51
20180231511
2018-08-16

DETECTOR FOR LIQUID CHROMATOGRAPHY

#52
20180224354
2018-08-09

Identification of chemicals in a sample using GC/SAW and Raman spectroscopy

#53
20180120272
2018-05-03

Method to eliminate periodic noise from data collected with a chromatography system

#54
20180045690
2018-02-15

Chiral analysis method of bound amino acid and chiral analysis system

#55
20180011066
2018-01-11

Gas chromatograph

#56
20170234842
2017-08-17

Device and method for changing solution conditions in serial flow

#57
20170209812
2017-07-27

Multi-dimensional chromatography system using at-column dilution

#58
20170115260
2017-04-27

Both ultraviolet-visible and double monochromatic fluorescence dual detector for high performance liquid chromatography

#59
20170030874
2017-02-02

Vacuum ultraviolet absorption spectroscopy system and method

#60
20170030828
2017-02-02

Vacuum ultraviolet absorption spectroscopy system and method

#61
20170010243
2017-01-12

MULTIPLE COLUMN CHROMATOGRAPHIC SYSTEM AND METHODS OF USE

#62
20160377581
2016-12-29

Vacuum ultraviolet absorption spectroscopy system and method

#63
20160377531
2016-12-29

Vacuum ultraviolet absorption spectroscopy system and method

#64
20160363566
2016-12-15

Detector arrangement

#65
20160305917
2016-10-20

System for collecting liquid samples

#66
20160131617
2016-05-12

Liquid flow rate measurement device

#67
20150308993
2015-10-29

Odor sensing system

#68
20150308990
2015-10-29

System and method for analyzing a gas

#69
20150192590
2015-07-09

Method and apparatus for analyzing biomolecules using Raman spectroscopy

#70
20150168360
2015-06-18

Chromatogram display method, chromatogram display device, and chromatograph comprising said device

#71
20150153314
2015-06-04

Fast Field Mud Gas Analyzer

#72
20150153299
2015-06-04

Real-time air monitoring with multiple sensing modes

#73
20150027203
2015-01-29

Controlling interdetector band broadening

#74
20150020575
2015-01-22

System for analyzing a gas mixture including at least one chromatography column

#75
20140318217
2014-10-30

On-line analyzer for VOCs and method of using the same

#76
20140014585
2014-01-16

Chromatographic interface

#77
20130280742
2013-10-24

Quantification and characterization of allergens

#78
20130219991
2013-08-29

Gas chromatography recomposition-olfactometry for characterization of aroma mixtures

#79
20130125621
2013-05-23

System for analyzing a gas mixture including at least one chromatography column

#80
20130062515
2013-03-14

In-situ conditioning in mass spectrometer systems

#81
20130042673
2013-02-21

Methods and Apparatus for Analyzing Samples and Collecting Sample Fractions

#82
20130020263
2013-01-24

Parallel separation system

#83
20120309048
2012-12-06

DIAGNOSTIC APPARATUS

#84
20120285558
2012-11-15

PUMP REDUCING A FLUID FLOW BY A DETERMINED AMOUNT

#85
20120262178
2012-10-18

Apparatus and method for coupled LC-NMR analysis

#86
20120091063
2012-04-19

METHOD IN A CHROMATOGRAPHY SYSTEM

#87
20110317159
2011-12-29

Apparatus for effecting analysis with rapid analyte chemical separation and subsequent detection

#88
20110310390
2011-12-22

Methods and apparatus for analyzing samples and collecting sample fractions

#89
20110209525
2011-09-01

Simulation distillation by comprehensive two-dimensional gas chromatography

#90
20110204894
2011-08-25

Analysis system with GPC and NMR spectroscopy coupling, in particular for the analysis of samples having polymers

#91
20110091983
2011-04-21

Thermal conductivity detection method and device for gas chromatography

#92
20100238444
2010-09-23

Methods and apparatus for analyzing samples and collecting sample fractions

#93
20090200181
2009-08-13

Platform for analysis liquid samples

#94
20090168059
2009-07-02

Analysis method effected with rapid analyte chemical separation and quick detection

#95
20090150087
2009-06-11

Chromatography using multiple detectors

#96
20090113982
2009-05-07

Multi-dimensional explosive detector

#97
20090084157
2009-04-02

System for the online measurement of volatile and semi-volatile compounds and use thereof

#98
20080296487
2008-12-04

Method and system for chemical and physical characterization of complex samples

#99
20080258710
2008-10-23

Analysis of liquid chromatography eluates

#100
20080201111
2008-08-21

Method to derive physical properties of a sample after correcting the effects of interdetector band broadening

#101
20080074661
2008-03-27

Online analyte detection by surface enhanced Raman scattering (SERS)

#102
20080044309
2008-02-21

Liquid Chromatograph

#103
20070266857
2007-11-22

Gas chromatograph column assembly

#104
20070178013
2007-08-02

Dual-detector systems and methods having utility in biomolecular measurements

#105
20070095125
2007-05-03

Microdischarge detector method and apparatus

#106
20070000838
2007-01-04

Integrated chromatography devices and systems for monitoring analytes in real time and methods for manufacturing the same

#107
20060289809
2006-12-28

Ionization-based detection

#108
20060272506
2006-12-07

Gas chromatograph with a mass spectrometer situated down therefrom, and method for performing the gas chromatographic/mass spectrometric analysis of a substance mixture

#109
20060151688
2006-07-13

System and method for metabonomics directed processing of LC-MS or LC-MS/MS data

#110
20060148025
2006-07-06

Method of analyzing coenzyme Q-10 and two-electron reduction product thereof and analysis system

#111
20050282287
2005-12-22

Apparatus for effecting chemical separation and plural-point SERS detection using metal-doped sol-gels

#112
20050244980
2005-11-03

On-line gas chromatographic analysis of airborne particles

#113
20050240385
2005-10-27

System and method for determining radius of gyration, molecular weight, and intrinsic viscosity of a polymeric distribution using gel permeation chromatography and light scattering detection

#114
20050233464
2005-10-20

Methods and apparatus for identifying compounds in a sample

#115
20050167364
2005-08-04

Chromatography methods and chromatography apparatus

#116
20050123452
2005-06-09

Gas chromatograph and method for analyzing a mixture of substances by gas chromatography

#117
20050075851
2005-04-07

Method for correcting the effects of interdetector band broadening

#118
13833248
2018-03-13

Computer program, an apparatus and a method for correcting measured light absorption values in connection with chromatography