ClassID:

168847

G01N2030/645 - 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 electrical conductivity detectors

Recent Application in this class:
#1
20260049967
2026-02-19

COMBUSTION GAS ABSORPTION LIQUID GENERATION DEVICE AND COMBUSTION ION CHROMATOGRAPH

#2
20260009773
2026-01-08

CHROMATOGRAPH SYSTEM

#3
20250320178
2025-10-16

AMPHETAMINE CARBAMATE COMPOUNDS AND METHODS

#4
20250027912
2025-01-23

ELECTRICAL CONDUCTIVITY DETECTOR

#5
20240327337
2024-10-03

AMPHETAMINE CARBAMATE COMPOUNDS AND METHODS

#6
20240159721
2024-05-16

Chromatography Baseline Stability

#7
20230286909
2023-09-14

Amphetamine carbamate compounds and methods

#8
20220244225
2022-08-04

Detector for liquid chromatograph

#9
20220213029
2022-07-07

Amphetamine carbamate compounds and methods

#10
20220146470
2022-05-12

METHOD FOR THE DETECTION AND QUANTIFICATION OF FOSMOMYCIN, IMPURITIES AND DEGRADATION PRODUCTS THEREOF

#11
20220011281
2022-01-13

ION-EXCHANGE CHROMATOGRAPHY SYSTEM FOR ANALYZING ELECTROLYTE SOLUTION, METHOD OF QUANTITATIVE ANALYSIS OF LITHIUM SALTS IN ELECTROLYTE SOLUTION, AND PREPARATION METHOD FOR ELECTROLYTE SOLUTION USING SAME

#12
20210208116
2021-07-08

Instrument and method for simultaneously testing molecular weight distribution and organic nitrogen level of water sample

#13
20200319147
2020-10-08

Measuring instrument

#14
20200147518
2020-05-14

Ion suppressor and ion chromatograph

#15
20200132639
2020-04-30

Ion suppressor and ion chromatograph

#16
20200072803
2020-03-05

Combined UV/Vis-absorption and conductivity flow cell for liquid chromatography

#17
20190369066
2019-12-05

Electric conductivity detector and ion chromatograph

#18
20190250131
2019-08-15

Detector for gas chromatography

#19
20180267002
2018-09-20

Method for determining dimethyl disulphide

#20
20170191818
2017-07-06

Position indicator and position indicating method

#21
20170168010
2017-06-15

Ion concentration sensor

#22
20170059534
2017-03-02

Systems and apparatus for reducing signal noise due to pump oscillations

#23
20170010243
2017-01-12

MULTIPLE COLUMN CHROMATOGRAPHIC SYSTEM AND METHODS OF USE

#24
20150369769
2015-12-24

End-fill electrochemical-based analytical test strip with perpendicular intersecting sample-receiving chambers

#25
20150260693
2015-09-17

Multi-measurement flow cell assembly for liquid chromatography

#26
20150111305
2015-04-23

Multielectrode electrolytic device and method

#27
20150090013
2015-04-02

Method and apparatus for scanning detection

#28
20150042354
2015-02-12

Analysis device provided with discharge ionization current detector

#29
20140320146
2014-10-30

Ion chromatograph

#30
20140102916
2014-04-17

Electrochemical flow cell

#31
20130267033
2013-10-10

Detection cell with controlled power dissipation

#32
20130140270
2013-06-06

IC-processed polymer nano-liquid chromatography system on-a-chip and method of making it

#33
20120326711
2012-12-27

Toroidal conductivity probe with integrated circuitry

#34
20120256641
2012-10-11

Conductivity sensor assembly

#35
20120056632
2012-03-08

Conductance detection system and method

#36
20110209531
2011-09-01

IC-processed polymer nano-liquid chromatoraphy system on-a-chip and method of making it

#37
20090273354
2009-11-05

Dielectric sensing method and system

#38
20090261245
2009-10-22

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

#39
20090242416
2009-10-01

Nanowire sensor, sensor array, and method for making the same

#40
20090084685
2009-04-02

DESIGN OF AN IC-PROCESSED POLYMER NANO-LIQUID CHROMATOGRAPHY SYSTEM ON-A-CHIP AND METHOD OF MAKING IT

#41
20080293158
2008-11-27

Method and apparatus for improved gas detection

#42
20080274561
2008-11-06

METHOD AND APPARATUS FOR DETERMINING A TOTAL CONCENTRATION OF A COMPONENT IN A MIXTURE OF COMPONENTS

#43
20080264789
2008-10-30

Film-type solid polymer ionomer sensor and sensor cell

#44
20070247173
2007-10-25

Resonance-induced sensitivity enhancement method for conductivity sensors

#45
20070190660
2007-08-16

Detection cell with controlled power dissipation

#46
20070034572
2007-02-15

Low pressure anion chromatographic apparatus and method having two or more eluents

#47
20060289809
2006-12-28

Ionization-based detection

#48
20060226029
2006-10-12

Measuring apparatus for ulcerative colitis diagnosis/prognostic test and method of measuring

#49
20060075802
2006-04-13

Method and apparatus for enhanced detection of a specie using a gas chromatograph

#50
20060000723
2006-01-05

Electrochemical sensor having improved response time

#51
20050214949
2005-09-29

Process for producing chemical product and quality inspection process for chemical used in same

#52
20050072671
2005-04-07

Devices and methods for separating constituents

#53
20050069456
2005-03-31

Method and apparatus for determining a total concentration of a component in a mixture of components

#54
20050051489
2005-03-10

IC-processed polymer nano-liquid chromatography system on-a-chip and method of making it

#55
20050042148
2005-02-24

Method and apparatus for improved gas detection

#56
15789033
2020-02-18

Electrophoretic soil nutrient sensor for agriculture