ClassID:

168852

G01N30/70 - 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; Electrical detectors Electron capture detectors

Recent Application in this class:
#1
20260092904
2026-04-02

GAS CHROMATOGRAPH WITH DYNAMIC RESPONSE FACTORS

#2
20260024739
2026-01-22

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

#3
20250020620
2025-01-16

AN ELECTRON CAPTURE DETECTOR OPERATING WITH A SCINTILLATION CRYSTAL

#4
20240297034
2024-09-05

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

#5
20220334095
2022-10-20

Method and apparatus for quantitatively analyzing a gaseous process stream

#6
20210325353
2021-10-21

Device and method for quantitative evaluation of deodorant performance

#7
20210257199
2021-08-19

Method and system for measuring the chirality of molecules

#8
20210116428
2021-04-22

Electron capture detector

#9
20190317065
2019-10-17

Method and apparatus for quantitatively analyzing a gaseous process stream

#10
20190085253
2019-03-21

Marker compositions with nitrogen compounds, and methods for making and using same

#11
20190083951
2019-03-21

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

#12
20180275105
2018-09-27

Molecular detection apparatus and molecular detection method

#13
20160139091
2016-05-19

Traps for use with chromatography systems

#14
20150177200
2015-06-25

CHROMATOGRAPH WITH COLUMN ENGINEERING FOR USE IN OIL AND GAS EXTRACTION

#15
20120103061
2012-05-03

Transportable portal for detection of illicit substances

#16
20090261245
2009-10-22

GC-MS analyzer switchable between one-dimensional and two-dimensional modes

#17
20070296417
2007-12-27

Electron capture detector and nonradiative electron capture detector

#18
20060289809
2006-12-28

Ionization-based detection

#19
20050272166
2005-12-08

Methods and systems for detection, identification and quantitation of macrolides and their impurities