ClassID:

168733

G01N2030/167 - 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; Injection on-column injection

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

GAS CHROMATOGRAPH

#2
20230384269
2023-11-30

COLUMN DEVICE

#3
20210372973
2021-12-02

Method for separating diastereomers of pristane

#4
20210210325
2021-07-08

Pressure driven fluidic injection for chemical separations

#5
20190314740
2019-10-17

TEMPERATURE-ASSISTED ON-COLUMN FOCUSING

#6
20190170708
2019-06-06

Method and system for reducing the effects of column bleed carryover

#7
20170322180
2017-11-09

Pressure driven microfluidic injection for chemical separations

#8
20160206971
2016-07-21

Temperature-assisted on-column focusing

#9
20150204825
2015-07-23

Multiple sample chromatography using a stochastic injection technique

#10
20150107334
2015-04-23

Continuous measurement chromatography and method of continuous stochastic perturbation chromatography

#11
20140150660
2014-06-05

Non-seizing tapers for use in purged connections of capillary tubing used in gas chromatography

#12
20130233055
2013-09-12

GAS CHROMATOGRAPH

#13
20120280061
2012-11-08

Vaporisation injector

#14
20120204626
2012-08-16

SAMPLE INJECTOR FOR LIQUID CHROMATOGRAPH

#15
20100192674
2010-08-05

Method for directly injecting a liquid sample into a capillary chromatography column and apparatus for implementing the method

#16
20090249959
2009-10-08

Gas chromatographic device

#17
20090183634
2009-07-23

Gas chromatographic device

#18
20080193962
2008-08-14

Simple analysis method of drugs

#19
20060273012
2006-12-07

Column with additional fluid introduction

#20
20060065122
2006-03-30

Gas chromatograph system including an improved inlet sealing mechanism