Patents-Review.com
ClassID:

168720 ⎘

G01N2030/121 - 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; Preparation or injection of sample to be analysed; Preparation by evaporation cooling; cold traps

Sub-classes:
Recent Application in this class:
#1
20240201141
2024-06-20

GAS CHROMATOGRAPH

 #2
20230278076
2023-09-07

WASHING AN ELEMENT IN A CHROMATOGRAPHY SYSTEM

 #3
20220317096
2022-10-06

Residual corrosion inhibitor monitoring

 #4
20220252554
2022-08-11

Thermal desorption tube collection system and method

 #5
20220082538
2022-03-17

Large volume gas chromatography injection port

 #6
20210063370
2021-03-04

System, apparatus, and method for monitoring organic compounds in a gas environment

 #7
20200271633
2020-08-27

Methods for identifying carbon derived from natural sources

 #8
20190265205
2019-08-29

Thermal desorption tube collection system and method

 #9
20190137458
2019-05-09

High performance sub-ambient temperature multi-capillary column preconcentration system for volatile chemical analysis by gas chromatography

 #10
20190118171
2019-04-25

Sample preconcentration system and method for use with gas chromatography

 #11
20190094195
2019-03-28

System, apparatus, and method for monitoring organic compounds in a gas environment

 #12
20190064127
2019-02-28

Large volume gas chromatography injection port

 #13
20190025262
2019-01-24

Refrigerant introducer and gas chromatograph

 #14
20180292365
2018-10-11

Gaseous mercury detection systems, calibration systems, and related methods

 #15
20180252620
2018-09-06

Preprocessing apparatus for gas analysis

 #16
20170284978
2017-10-05

Multi-capillary column pre-concentration system for enhanced sensitivity in gas chromatography (GC) and gas chromatography-mass spectrometry (GCMS)

 #17
20170023533
2017-01-26

Cooling-assisted needle trap device for analyzing complex solid samples using nano-sorbent

 #18
20160320271
2016-11-03

Device for extracting volatile components

 #19
20160033456
2016-02-04

Gaseous mercury detection systems, calibration systems, and related methods

 #20
20130055791
2013-03-07

SAMPLE TRAPPING METHOD AND SAMPLE TRAPPING APPARATUS

 #21
20100120167
2010-05-13

Micro scale flow through sorbent plate collection device

 #22
20100034703
2010-02-11

MICRO SCALE FLOW THROUGH SORBENT PLATE COLLECTION DEVICE

 #23
20090100906
2009-04-23

Phased micro analyzer VIII

 #24
20080184886
2008-08-07

THERMAL PRECONCENTRATOR FOR COLLECTION OF CHEMICAL SPECIES

 #25
20080098887
2008-05-01

Analyte pre-concentrator for gas chromatography

 #26
20070163326
2007-07-19

Automatic thermal desorption apparatus and method

 #27
20070113616
2007-05-24

Device for sample preparation

 #28
20060263901
2006-11-23

System for introducing standard gas into sample container

 #29
20060245975
2006-11-02

Adsorbent housing with separated adsorption outflow and desorption inflow

 #30
20060099718
2006-05-11

System and method for extracting headspace vapor

 #31
20060021940
2006-02-02

Method and device for integrated analysis of a hydrocarbon sample

 #32
20060021504
2006-02-02

Analyte pre-concentrator for gas chromatography

 #33
20050263455
2005-12-01

Processing of chemicals in flow-through device with porous media

 #34
20050247104
2005-11-10

Thermal modulation for gas chromatography

 #35
20050226778
2005-10-13

Micro scale flow through sorbent plate collection device

 #36
20050142662
2005-06-30

Phased micro analyzer VIII

 #37
20050106743
2005-05-19

Single jet, single stage cryogenic modulator

 #38
20050095722
2005-05-05

Micro scale flow through sorbent plate collection device

 #39
20050063865
2005-03-24

Phased VII micro fluid analyzer having a modular structure

 #40
20050042139
2005-02-24

Phased micro analyzer V, VI

 #41
20050039602
2005-02-24

Analyte pre-concentrator for gas chromatography

 #42
20050032237
2005-02-10

Method for solid-phase microextraction and analysis, and a collector for this method