ClassID:

168831

G01N30/6065 - 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; Construction of the column body with varying cross section

Recent Application in this class:
#1
20240319149
2024-09-26

PIPE FOR CHROMATOGRAPH AND METHOD OF MANUFACTURING PIPE FOR CHROMATOGRAPH

#2
20230001328
2023-01-05

MODIFIED COLUMN FOR EXPANDED BED ADSORPTION AND METHODS OF USE THEREOF

#3
20220412928
2022-12-29

Device for evaluating damage of fracturing fluid to reservoir and operation method thereof

#4
20220410122
2022-12-29

CHROMATOGRAPHIC COLUMN HAVING STATIONARY PHASE THICKNESS GRADIENT

#5
20220226751
2022-07-21

Components that facilitate maintenance of chromatography and synthesis columns

#6
20220184528
2022-06-16

METHOD AND DEVICE FOR SAMPLE PREPARATION

#7
20220146430
2022-05-12

Portable water quality instrument

#8
20220128525
2022-04-28

Conical columns and low dispersion frits

#9
20220074862
2022-03-10

Portable water quality instrument

#10
20210325352
2021-10-21

GUARD COLUMN CONFIGURATIONS FOR SIZE EXCLUSION CHROMATOGRAPHY SEPARATIONS

#11
20210164949
2021-06-03

Vial cap and method for removing matrix components from a liquid sample

#12
20200400625
2020-12-24

Selection and design of columns for liquid chromatography

#13
20200217825
2020-07-09

METHOD AND APPARATUS FOR LINEARIZING AND MITIGATING DENSITY DIFFERENCES ACROSS MULTIPLE CHROMATOGRAPHIC SYSTEMS

#14
20200072802
2020-03-05

Vial cap and method for removing matrix components from a liquid sample

#15
20190277816
2019-09-12

High surface area chromatographic device with low pressure drop

#16
20190257760
2019-08-22

PORTABLE WATER QUALITY INSTRUMENT

#17
20180356376
2018-12-13

Strain induced face seal

#18
20180340919
2018-11-29

Liquid chromatography columns with structured walls

#19
20180252687
2018-09-06

SAMPLE EXTRACTION APPARATUS WITH MICRO ELUTION BED DESIGN

#20
20180106725
2018-04-19

Portable water quality instrument

#21
20170045453
2017-02-16

Portable water quality instrument

#22
20160354779
2016-12-08

MICRO FLUIDIC STRUCTURES

#23
20160231293
2016-08-11

Liquid chromatography columns with structured walls

#24
20160209393
2016-07-21

Sample extraction apparatus with micro elution bed design

#25
20160187306
2016-06-30

Vial cap and method for removing matrix components from a liquid sample

#26
20140231330
2014-08-21

Clamping device for clamping a plurality of columns for sample preparation

#27
20140186939
2014-07-03

Portable water quality instrument

#28
20140124446
2014-05-08

Method for separating substance accommodated in vessel

#29
20130306535
2013-11-21

Preparative separation-purification system

#30
20130220000
2013-08-29

Device and method for separation of proteins and other biomolecules

#31
20130193052
2013-08-01

Chromatography columns

#32
20120118806
2012-05-17

Methods and apparatus for making a chromatography column

#33
20120118805
2012-05-17

Methods and apparatus for making a chromatography column

#34
20120048108
2012-03-01

Differential acceleration chromatography

#35
20120028818
2012-02-02

MICRO FLUIDIC STRUCTURES

#36
20120011921
2012-01-19

METHOD FOR IMPROVING THE EFFICIENCY OF HIGH-PRESSURE LIQUID CHROMATOGRAPHY

#37
20110250107
2011-10-13

Column geometry to maximize elution efficiencies for molybdenum-99

#38
20110094953
2011-04-28

Chromatography column

#39
20110065897
2011-03-17

Method for isolating polypeptides

#40
20110038769
2011-02-17

Method and device for sample preparation

#41
20100323372
2010-12-23

Immunoassay assembly and methods of use

#42
20100222560
2010-09-02

UNIVERSAL COLUMN

#43
20100200509
2010-08-12

Method and device for sample preparation

#44
20100179308
2010-07-15

Method and device for sample preparation

#45
20100173398
2010-07-08

Hand-held microfluidic testing device

#46
20100173330
2010-07-08

Immunoassay assembly and methods of use

#47
20100170852
2010-07-08

Method and Device for Gravity Flow Chromatography

#48
20100140173
2010-06-10

Method and Device for Gravity Flow Chromatography

#49
20100126255
2010-05-27

Device and method for separation of proteins and other biomolecules

#50
20090308736
2009-12-17

APPARATUS AND METHOD FOR SPECIFIC RELEASE OF CAPTURED EXTENSION PRODUCTS

#51
20090266752
2009-10-29

Capillary-like connector for liquid chromatography, in particular, high-performance liquid chromatography with reduced dispersion and improved thermal characteristics

#52
20090223893
2009-09-10

Method and Device for Desalting an Analyte

#53
20090218267
2009-09-03

SEPARATION COLUMN AND LIQUID CHROMATOGRAPH

#54
20090139934
2009-06-04

Differential acceleration chromatography

#55
20080264865
2008-10-30

Methods and compositions for chromatography

#56
20080099402
2008-05-01

Column having separated sections of stationary phase

#57
20070240777
2007-10-18

Stationary Phase Extraction Cartridge

#58
20070102362
2007-05-10

Chip

#59
20070084727
2007-04-19

Coherent nonlinear chromatography and methods and devices thereof

#60
20070029791
2007-02-08

Column with tapered intermediate piece

#61
20060243651
2006-11-02

Multi-velocity fluid channels in analytical instruments

#62
20060213258
2006-09-28

System useful for holding a sample and in subjecting the sample to chromatographic analysis

#63
20060211151
2006-09-21

Methods for fabricating separation apparatus

#64
20060186029
2006-08-24

Separation device with integral guard column

#65
20060163162
2006-07-27

Device for solid phase extraction and method for purifying samples prior to analysis

#66
20060124551
2006-06-15

Method and device for sample preparation

#67
20060093518
2006-05-04

Device containing non-covalently bound biomolecules on solid support

#68
20060019407
2006-01-26

Immunoassay assembly and methods of use

#69
20060000779
2006-01-05

Methods and compositions for chromatography

#70
20050252772
2005-11-17

Flow device

#71
20050229696
2005-10-20

Analytical chip, analytical-chip unit, and analysis apparatus

#72
20050042766
2005-02-24

Micro fluidic structures

#73
20050000900
2005-01-06

Microfluidic chromatography

#74
20050000874
2005-01-06

Separation column from chromatography, medium for solid phase extraction and sample injection system for chromatography