ClassID:

168914

G01N30/8668 - 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 using retention times

Recent Application in this class:
#1
20260036558
2026-02-05

Method and System for Processing Chromatogram Data

#2
20250305999
2025-10-02

CHROMATOGRAPHY WITH RETENTION TIME FEEDBACK CONTROL

#3
20250271406
2025-08-28

AUTOMATED RETENTION INDEX CALIBRATION

#4
20240329016
2024-10-03

QUANTITATIVE DETERMINATION DEVICE FOR BROMINATED FLAME-RETARDANT COMPOUNDS

#5
20240183829
2024-06-06

Predictive chromatograph peak detection

#6
20240118253
2024-04-11

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

#7
20240011956
2024-01-11

System and Method for Background Removal in Spectrometry System

#8
20230086183
2023-03-23

DETECTION AND IDENTIFICATION OF CHEMICAL DERIVATIVES FORMED FROM PYROTECHNIC SMOKE REACTIONS

#9
20220373520
2022-11-24

Quantitative determination device for brominated flame-retardant compounds

#10
20220266171
2022-08-25

Analysis method

#11
20220113249
2022-04-14

Local and global peak matching

#12
20220074907
2022-03-10

Focusing agents and methods of using same

#13
20210140933
2021-05-13

Focusing agents and calibration transportability

#14
20210033575
2021-02-04

Determination and correction of retention time and mass/charge shifts in LC-MS experiments

#15
20200292513
2020-09-17

Focusing agents and methods of using same

#16
20200264143
2020-08-20

Identification of unknown compounds by using a novel retention index system in liquid chromatography

#17
20200191759
2020-06-18

CALIBRATING DEVICE FOR AUTOMATICALLY CALIBRATING DATA OF MEASURING INSTRUMENT AND METHOD THEREOF

#18
20200103380
2020-04-02

Chromatography mass spectrometry and chromatograph mass spectrometer

#19
20190064131
2019-02-28

Carbon ladder calibration

#20
20190064063
2019-02-28

Local and global peak matching

#21
20190017976
2019-01-17

Chromatograph device

#22
20180326324
2018-11-15

Methods for scaling between chromatographic systems using highly compressible fluids

#23
20180292362
2018-10-11

Method and apparatus for scaling between chromatographic systems using highly compressible fluids

#24
20180045694
2018-02-15

System and method for background removal in spectrometry system

#25
20180024101
2018-01-25

Automated method of calibrating a chromatography system and analysis of a sample

#26
20170102367
2017-04-13

Retention index standards for liquid chromatography

#27
20160141164
2016-05-19

Method for time-alignment of chromatography-mass spectrometry data sets

#28
20160139095
2016-05-19

Systems and methods of compensation for chromatography column volume variations

#29
20160084807
2016-03-24

Automated method of calibrating a chromatography system and analysis of a sample

#30
20150168360
2015-06-18

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

#31
20150160238
2015-06-11

Means and methods for diagnosing and monitoring heart failure in a subject

#32
20150140593
2015-05-21

Retention index standards for liquid chromatography

#33
20140260509
2014-09-18

Method of calibrating a chromatography system

#34
20140188403
2014-07-03

Data processing device for gas chromatograph and data processing program used in same

#35
20140038216
2014-02-06

Method and apparatus for performing retention time matching

#36
20130000382
2013-01-03

Methodology for determination of nitrogen content in nitrocellulose

#37
20120323985
2012-12-20

Alignment of multiple liquid chromatography-mass spectrometry runs

#38
20120253684
2012-10-04

Methods and apparatus for performing retention-time matching

#39
20120242489
2012-09-27

Method and Computer Program Product for Processing Chromatograms Obtained by a Process Gas Chromatograph

#40
20110219858
2011-09-15

Composition for use as a peptide retention standard and a method of predicting peptide hydrophobicity in liquid chromatography

#41
20110203346
2011-08-25

COMPREHENSIVE TWO-DIMENSIONAL GAS CHROMATOGRAPHY

#42
20110184648
2011-07-28

Methods and apparatus for performing retention-time matching

#43
20110055301
2011-03-03

Alignment of multiple liquid chromatography-mass spectrometry runs

#44
20100064770
2010-03-18

Gas chromatography apparatus

#45
20100057377
2010-03-04

System and method for feature alignment

#46
20080234945
2008-09-25

System and method for analyzing a sample using chromatography coupled mass spectrometry

#47
20080110232
2008-05-15

Chromatographic analyzer

#48
20080046447
2008-02-21

Two-step method to align three dimensional LC-MS chromatographic surfaces

#49
20070112534
2007-05-17

Peak pattern calibration

#50
20070045190
2007-03-01

System and method for feature alignment

#51
20060231471
2006-10-19

Liquid chromatograph control apparatus, method for performing liquid chromatography and computer program for controlling a liquid chromatograph

#52
20060131222
2006-06-22

Methods for time-alignment of liquid chromatography-mass spectrometry data

#53
20060123987
2006-06-15

Method and apparatus for keeping constant the retention times in a gaschromatographic analysis