ClassID:

168913

G01N30/8665 - 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; Signal analysis for calibrating the measuring apparatus

Sub-classes:
Recent Application in this class:
#1
20260146979
2026-05-28

DETECTORS

#2
20260080534
2026-03-19

METHOD OF GENERATING QUALITY CONTROL INFORMATION, APPARATUS FOR GENERATING QUALITY CONTROL INFORMATION, AND PROGRAM

#3
20260072001
2026-03-12

GAS SENSOR

#4
20260072000
2026-03-12

METHOD FOR DETERMINING A CONDITION OF THE INTERNAL STRUCTURE OF HAIR AND ASSOCIATED DEVICE

#5
20250258149
2025-08-14

METHODS AND SYSTEMS FOR CARRIER GAS IDENTIFICATION IN GAS CHROMATOGRAPHY

#6
20250258148
2025-08-14

AUTOMATED CONTAMINANT SEPARATION IN GAS CHROMATOGRAPHY

#7
20250251374
2025-08-07

METHOD AND DEVICE FOR PREPARING SOLUTION FOR QUANTITATIVE ANALYSIS

#8
20250171529
2025-05-29

CHROMATOGRAPHY COLUMN QUALIFICATION IN MANUFACTURING METHODS FOR PRODUCING ANTI-IL12/23 ANTIBODY COMPOSITIONS

#9
20250137988
2025-05-01

METHOD TO DETERMINE API GRAVITY OF SULFUR-RICH MARINE OILS USING AROMATIC COMPOUND CHEMISTRY

#10
20250116639
2025-04-10

CHROMATOGRAM DECOMPOSITION AND CORRESPONDING CALIBRATION

#11
20250102481
2025-03-27

Gas Chromatography Calibration Technique Using Linear Ratios

#12
20250102478
2025-03-27

Automated Diluter For Calibration Of A Gas Chromatograph In Oilfield Applications

#13
20250060345
2025-02-20

IDLE-TRIGGERED DIAGNOSTICS FOR SCIENTIFIC INSTRUMENTS

#14
20250060343
2025-02-20

METHODS AND COMPOSITIONS FOR ANALYTE QUANTIFICATION

#15
20250052731
2025-02-13

METHODS AND SYSTEMS FOR ESTIMATING GAS SUPPLY PRESSURE

#16
20250003929
2025-01-02

HIGH THROUGHPUT SCREENING AND QUANTIFICATION FOR TARGET ANALYTES USING ECHO MS AND SINGLE TUBE CALIBRATION

#17
20240393301
2024-11-28

CALIBRATION OF ANALYTICAL INSTRUMENT

#18
20240385155
2024-11-21

ANALYTICAL SYSTEM AND METHOD

#19
20240361346
2024-10-31

AUTOMATIC ANALYZER

#20
20240353382
2024-10-24

VERIFICATION METHOD AND SYSTEM FOR A SAMPLE INTRODUCTION DEVICE DEDICATED TO GAS CHROMATOGRAPHY FOR PRECISELY MEASURING A CONCENTRATION OF ATMOSPHERIC GREENHOUSE GAS CONTAINED IN A TEDLAR BAG

#21
20240302337
2024-09-12

ACCURATE SPECTRAL LIBRARY SEARCH

#22
20240226846
2024-07-11

Method and system for solventless calibration of volatile or semi-volatile compounds

#23
20240192190
2024-06-13

DETERMINING RESERVOIR FLUID COMPOSITION TO PENTATETRACONTANES PLUS

#24
20240192183
2024-06-13

LOCK MASS CORRECTION DURING CHROMATOGRAPHY VOID TIME

#25
20240183828
2024-06-06

METHOD FOR ADJUSTING PRESSURE SENSOR AND LIQUID CHROMATOGRAPHY ANALYZER

#26
20240167987
2024-05-23

ESTIMATION OF ALKYL SUBSTITUENT CARBON NUMBER OF AROMATIC COMPOUNDS USING GEL PERMEATION CHROMATOGRAPHY RETENTION TIME AND PREDICTION MODELS

#27
20240167986
2024-05-23

Methods and compositions for analyte quantification

#28
20240118253
2024-04-11

DETERMINATION AND CORRECTION OF RETENTION TIME AND MASS/CHARGE SHIFTS IN LC-MS EXPERIMENTS

#29
20240068998
2024-02-29

Gas Chromatography Thermal Conductivity Detector (TCD) Calibration Valve

#30
20240060943
2024-02-22

METHODS AND SYSTEMS FOR CHROMATOGRAPHICALLY ANALYZING A TEST SAMPLE

#31
20240053308
2024-02-15

Peak Alignment Method for Gas Chromatography Flow Splitter

#32
20230417715
2023-12-28

Method for separation and quantitation of benzene, toluene, ethyl benzene, o-xylene, m-xylene, and p-xylene (BTEX) using high performance liquid chromatography

#33
20230408467
2023-12-21

PERFORMANCE EVALUATION METHOD FOR NATURAL GAS ANALYSIS SYSTEM

#34
20230408466
2023-12-21

Modular gas detection system for a wellbore

#35
20230364561
2023-11-16

DIMETHYLMERCURY PERMEATION DEVICE AND FORMATION METHOD AND USE THEREOF

#36
20230314390
2023-10-05

MONITORING ANALYSIS DEVICE AND MONITORING ANALYSIS METHOD

#37
20230280319
2023-09-07

INTELLIGENT AUTOMATIC CONTROL SYSTEM FOR MINE GAS CHROMATOGRAPHS

#38
20230146444
2023-05-11

QUANTITATIVE ANALYSIS METHOD AND QUANTITATIVE ANALYSIS APPARATUS

#39
20230133615
2023-05-04

Methods and compositions for analyte quantification

#40
20230012349
2023-01-12

ANOMALY DETECTION AND DIAGNOSIS IN CHROMATOGRAPHY APPLICATIONS

#41
20220390424
2022-12-08

Photoionization detector automated zero level calibration

#42
20220351954
2022-11-03

Mass correction

#43
20220341899
2022-10-27

ANALYZER AND ANALYSIS SYSTEM

#44
20220317102
2022-10-06

USING MULTI-COMPONENT TEST SAMPLE FOR DETERMINING REAL PARAMETER VALUE OF SAMPLE SEPARATION

#45
20220308024
2022-09-29

Method for calibrating at least one analytic device with multiple repeated hardware components

#46
20220290560
2022-09-15

Determining reservoir fluid composition to pentatetracontanes plus

#47
20220236240
2022-07-28

Method and device for calibrating a gas detection device

#48
20220178890
2022-06-09

AUTOMATED TEST MIX FOR GAS CHROMATOGRAPH/GAS CHROMATOGRAPHY-MASS SPECTROMETRY HEALTH AND DIAGNOSTICS

#49
20220146469
2022-05-12

Liquid chromatograph including spectroscopic analysis units

#50
20220089716
2022-03-24

TRANSITION ANALYSIS METHOD FOR CHROMATOGRAPHY COLUMN QUALIFICATION

#51
20210405002
2021-12-30

Sample measurement device and measurement parameter setting assistance device

#52
20210332124
2021-10-28

System for chromatography column qualification in manufacturing methods for producing anti-IL12/IL23 antibody compositions

#53
20210325355
2021-10-21

METHOD AND SYSTEM FOR SOLVENTLESS CALIBRATION OF VOLATILE OR SEMI-VOLATILE COMPOUNDS

#54
20210318276
2021-10-14

Method and system for solventless calibration of volatile or semi-volatile compounds

#55
20210278378
2021-09-09

METHOD FOR COMPOUND DETECTION AND MITIGATION IN AN AQUACULTURE SYSTEM

#56
20210265147
2021-08-26

Systems and methods for reducing lab-to-lab and/or instrument-to-instrument variability of multi-attribute method (MAM) by run-time signal

#57
20210255154
2021-08-19

Device with deuterium lamp and liquid chromatograph

#58
20210208114
2021-07-08

Multi-injection mode valve module

#59
20210181205
2021-06-17

Compositions and methods for tracing the diet of an animal

#60
20210181170
2021-06-17

Photoionization detector automated zero level calibration

#61
20210156832
2021-05-27

Quality control reagents and methods

#62
20210088486
2021-03-25

METHODS AND SYSTEMS FOR DETECTION OF VITAMIN D METABOLITES

#63
20210063361
2021-03-04

Techniques for checking state of analyzers

#64
20200386727
2020-12-10

Method for measuring the concentration of aliphatic hydroxy oxime and neodecanoic acid by gas chromatography

#65
20200378934
2020-12-03

Method in a Chromatography System

#66
20200371077
2020-11-26

Photoionization detector automated zero level calibration

#67
20200264141
2020-08-20

Real-time peak detection

#68
20200225196
2020-07-16

HPLC-PDA method and uses thereof in phytoestrogen measurement

#69
20200124576
2020-04-23

Automated clinical diagnostic system and method

#70
20200116682
2020-04-16

PRETREATMENT APPARATUS AND ANALYSIS SYSTEM COMPRISING THE SAME

#71
20200110064
2020-04-09

Chromatograph mass spectrometry data processing device and chromatograph mass spectrometry data processing program

#72
20200098552
2020-03-26

Techniques for generating and performing analytical methods

#73
20190376939
2019-12-12

Quality control reagents and methods

#74
20190324000
2019-10-24

Chromatography column qualification in manufacturing methods for producing anti-TNF antibody compositions

#75
20190322736
2019-10-24

Chromatography column qualification in manufacturing methods for producing anti-IL12/IL23 antibody compositions

#76
20190321752
2019-10-24

Transition analysis method for chromatography column qualification

#77
20190271678
2019-09-05

Subsea gas quality analysis

#78
20190265214
2019-08-29

SEMI-AUTONOMOUS MEMS MICRO-CALIBRATION DEVICE

#79
20190242860
2019-08-08

Quality control reagents and methods

#80
20190162709
2019-05-30

Gas measurement device

#81
20190162707
2019-05-30

Method for calibrating a gas chromatograph

#82
20190113491
2019-04-18

Photoionization detector automated zero level calibration

#83
20190113488
2019-04-18

System and method for diagnosing a condition of a restrictor

#84
20190083951
2019-03-21

Halogen selective detection gas chromatography for the on-line analysis and control of selective oxidation chemical production processes

#85
20180292367
2018-10-11

Systems, devices, and methods for threshold analyte calibration and quantitation using threshold analyte calibration

#86
20180269047
2018-09-20

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

#87
20180128794
2018-05-10

Method of analysing gas chromatography data

#88
20180088091
2018-03-29

Multi-injection mode valve module

#89
20180005808
2018-01-04

Compositions, methods, and kits for quantifying target analytes in a sample

#90
20170307571
2017-10-26

Liquid chromatography measurement method, liquid chromatography measurement instrument, and liquid chromatography measurement program storage medium

#91
20170248562
2017-08-31

Analytical measurement device system

#92
20170199166
2017-07-13

Methods for determining relative response factors for impurity analysis using liquid chromatography with absorbance and evaporative light scattering detection

#93
20170186594
2017-06-29

Monitoring liquid chromatography elution to determine when to perform a lockmass calibration

#94
20170108479
2017-04-20

BENCHMARK FOR LC-MS SYSTEMS

#95
20160266074
2016-09-15

Multicomponent quantitative analysis method using chromatography

#96
20160139095
2016-05-19

Systems and methods of compensation for chromatography column volume variations

#97
20160097749
2016-04-07

Analyte mass spectrometry quantitation using a universal reporter

#98
20160054275
2016-02-25

Method for extending the dynamic range of absorbance detectors

#99
20150293066
2015-10-15

Online gas chromatograph operation with reduced usage of calibration gas

#100
20150276688
2015-10-01

Liquid chromatograph

#101
20150168360
2015-06-18

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

#102
20150090343
2015-04-02

Innovation to assay mixing

#103
20140260539
2014-09-18

Gas chromatograph with improved operation

#104
20140260509
2014-09-18

Method of calibrating a chromatography system

#105
20140230517
2014-08-21

Quality control reagents and methods

#106
20140158881
2014-06-12

Compositions, methods, and kits for quantifying target analytes in a sample

#107
20140129169
2014-05-08

Chromatogram data processing method and device

#108
20140038216
2014-02-06

Method and apparatus for performing retention time matching

#109
20140033793
2014-02-06

Chromatographic system quality control reference materials

#110
20130304393
2013-11-14

Method of analysing gas chromatography data

#111
20130281672
2013-10-24

Chromatography equipment characterization

#112
20130238254
2013-09-12

Liquid chromatography analyzing device

#113
20130112624
2013-05-09

Fluid mixing in a disposable fluid processing system

#114
20130020263
2013-01-24

Parallel separation system

#115
20120253684
2012-10-04

Methods and apparatus for performing retention-time matching

#116
20120227461
2012-09-13

Simple equilibrium distribution sampling device for GC-MS calibration

#117
20120225444
2012-09-06

Methods and apparatus for fractionation-based chemical analyses

#118
20120222470
2012-09-06

WAY OF METHOD TRANSFER OF LIQUID CHROMATOGRAPH AND LIQUID CHROMATOGRAPH SYSTEM

#119
20120187284
2012-07-26

Functional check and variance compensation in mass spectrometry

#120
20120103054
2012-05-03

Calibration method in measurement of hemoglobin A1c

#121
20120091063
2012-04-19

METHOD IN A CHROMATOGRAPHY SYSTEM

#122
20120016597
2012-01-19

METHOD FOR GAS CHROMATGRAPHY ANALYSIS AND MAINTENANCE

#123
20110185797
2011-08-04

Analyzing device and method for controlling same

#124
20110184658
2011-07-28

Preparative liquid chromatograph system

#125
20110184648
2011-07-28

Methods and apparatus for performing retention-time matching

#126
20110036142
2011-02-17

Precise droplet injection for calibrating a gas chromatography instrument

#127
20100057377
2010-03-04

System and method for feature alignment

#128
20100050737
2010-03-04

SEPARATION TECHNOLOGY METHOD AND IDENTIFICATION OF ERROR

#129
20090317791
2009-12-24

Methods and apparatus for performing retention-time matching

#130
20090288473
2009-11-26

Way of method transfer of liquid chromatograph and liquid chromatograph system

#131
20090215103
2009-08-27

Generation and use of a catalog of polypeptide-related information for chemical analyses

#132
20090179147
2009-07-16

Systems, methods, and computer-readable medium for determining composition of chemical constituents in a complex mixture

#133
20090166292
2009-07-02

Method of analyzing optical isomers or method of resolving the same

#134
20080237457
2008-10-02

Method and apparatus for chromatography mass spectrometry

#135
20080208485
2008-08-28

System and method for tracking chemical entities in an LC/MS system

#136
20080201085
2008-08-21

Reciprocal symmetry plots as a new representation of countercurrent chromatograms

#137
20080110232
2008-05-15

Chromatographic analyzer

#138
20080083260
2008-04-10

Precise droplet injection for calibrating a gas chromatography instrument

#139
20070112534
2007-05-17

Peak pattern calibration

#140
20070045190
2007-03-01

System and method for feature alignment

#141
20060255258
2006-11-16

Chromatographic and mass spectral date analysis

#142
20060194329
2006-08-31

Sample analyzing method and sample analyzing program

#143
20060075806
2006-04-13

Fraction collector for composition analysis

#144
20050167581
2005-08-04

Dynamic library searching

#145
18018492
2025-09-16

Methods and systems for carrier gas identification in gas chromatography