Patents-Review.com
ClassID:

168729 ⎘

G01N2030/146 - 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 elimination of some components using membranes

Recent Application in this class:
#1
20260153485
2026-06-04

METHOD FOR DETECTING HALOGENATED ORGANIC SUBSTANCES IN LANDFILL LEACHATE AND POLLUTED WATER THEREOF

 #2
20250354997
2025-11-20

Proteoform Specific Process Validation

 #3
20250276258
2025-09-04

REMOVAL METHOD OF CARBON DIOXIDE

 #4
20250258146
2025-08-14

QUANTITATIVE DETECTION METHOD OF MULTIPLE METABOLITES IN BIOLOGICAL SAMPLE AND METABOLIC CHIP

 #5
20250188119
2025-06-12

METHOD FOR REMOVING FXI WHEN PURIFYING PLASMA PROTEINS

 #6
20240319150
2024-09-26

METHOD FOR DETECTING UREA-FORMALDEHYDE RESIN IN MELAMINE-FORMALDEHYDE MATERIALS

 #7
20230028235
2023-01-26

Pre-Processing Method

 #8
20230011511
2023-01-12

Pre-Processing Method

 #9
20230010923
2023-01-12

Pump unit and chromatograph

 #10
20220229030
2022-07-21

Ion chromatography (IC) suppressor

 #11
20220137063
2022-05-05

Proteoform Specific Process Validation

 #12
20210363179
2021-11-25

METHOD FOR REMOVING FXI WHEN PURIFYING PLASMA PROTEINS

 #13
20200363378
2020-11-19

Device for preparing a liquid sample for a gas chromatograph

 #14
20200246724
2020-08-06

Combined degassing and circulation of liquid

 #15
20200215488
2020-07-09

Dialysis cell for sample preparation for a chemical analysis method

 #16
20200209124
2020-07-02

DEVICE AND METHOD FOR INTERFACING TWO SEPARATION TECHNIQUES

 #17
20190389743
2019-12-26

Method for initiating a graphene oxide through reduction by a reductant to controllably release organic compounds

 #18
20170253489
2017-09-07

Graphene-based inorganic-organic hybrid materials and separation of racemic mixtures

 #19
20160175744
2016-06-23

Filter element and filtration assembly for biopharmaceutical applications

 #20
20160061804
2016-03-03

Simple method for the detection of sulfur compounds in crude oils and diesel

 #21
20140318373
2014-10-30

Dryer and water recovery/purification unit employing graphene oxide or perforated graphene monolayer membranes

 #22
20140298924
2014-10-09

Chromatography apparatus and method

 #23
20140105795
2014-04-17

Chromatography apparatus and method

 #24
20140034563
2014-02-06

Liquid chromatography component

 #25
20130312501
2013-11-28

Inline filter housing assembly

 #26
20120297899
2012-11-29

Chromatography apparatus and method

 #27
20120231486
2012-09-13

Method and apparatus to perform hydrogen-deuterium exchange

 #28
20120204726
2012-08-16

High-pressure capillary degas assembly

 #29
20120067823
2012-03-22

LIQUID CHROMATOGRAPHY COMPONENT

 #30
20110290726
2011-12-01

High pressure degas assembly for chromatography system and method

 #31
20110073539
2011-03-31

LIQUID CHROMATOGRAPHY COMPONENT

 #32
20110011158
2011-01-20

Systems and methods for chemical sampling in particulate laden gaseous environments

 #33
20100299072
2010-11-25

SUBSTRATE CONCENTRATION MEASUREMENT METHOD AND SUBSTRATE CONCENTRATION MEASUREMENT APPARATUS

 #34
20080311672
2008-12-18

Membrane based concentrators

 #35
20080245668
2008-10-09

Parking a sample stream and suppressing the sample

 #36
20070277596
2007-12-06

Automatic Chlorophyll Analyzer And Analytical Method

 #37
20070000338
2007-01-04

Sheet-form membrane sample probe, method and apparatus for fluid concentration analysis

 #38
20060043023
2006-03-02

Parking a sample stream and suppressing the sample

 #39
20050160801
2005-07-28

Sheet-form membrane sample probe, method and apparatus for fluid concentration analysis

 #40
17203991
2022-02-15

Dialysis based invitro drug release study method