Patents-Review.com
ClassID:

168710 ⎘

G01N2030/045 - 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; Standards internal

Recent Application in this class:
#1
20260140108
2026-05-21

EXTRACTION ROD AND PREPARATION METHOD THEREOF, AND METHOD FOR DETECTING 25-HYDROXYVITAMIN D

 #2
20260140098
2026-05-21

METHOD FOR TREATING PLASMA SAMPLE CONTAINING (7aS,2'S)-2-OXO-CLOPIDOGREL AND METHOD FOR DETERMINING THE SAME

 #3
20250334554
2025-10-30

ANALYTICAL METHOD FOR QUANTIFYING SUCRALOSE-6-ACETATE CONTENT

 #4
20250258146
2025-08-14

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

 #5
20250224404
2025-07-10

DETECTION OF INSULIN-LIKE GROWTH FACTOR-2 VARIANTS BY MASS SPECTROMETRY

 #6
20250208101
2025-06-26

DETECTION AND QUANTITATION OF GUANIDINOACETATE, CREATINE, AND CREATININE BY MASS SPECTROMETRY

 #7
20250146986
2025-05-08

METHOD FOR DETERMINING CONTENT OF OLAFLUR IN TOOTHPASTE BY LIQUID CHROMATOGRAPHY-TANDEM MASS SPECTROMETRY

 #8
20250060343
2025-02-20

METHODS AND COMPOSITIONS FOR ANALYTE QUANTIFICATION

 #9
20250035596
2025-01-30

LIQUID CHROMATOGRAPHY STANDARD COMPOSITION

 #10
20240302334
2024-09-12

ANALYSIS OF OLIGOSACCHARIDES USING A LIQUID CHROMATOGRAPHY SYSTEM AND A CHROMATOGRAPHIC COLUMN IN WHICH THE LC SYSTEM AND COLUMN'S INTERNAL METAL SURFACE HAS BEEN MODIFIED WITH A LAYER OF INERT MATERIAL

 #11
20240167986
2024-05-23

Methods and compositions for analyte quantification

 #12
20240085386
2024-03-14

Detection and quantitation of guanidinoacetate, creatine, and creatinine by mass spectrometry

 #13
20240011950
2024-01-11

CHROMATOGRAPHY QUALITY CONTROL DEVICE AND CHROMATOGRAPHY QUALITY CONTROL METHOD

 #14
20230285937
2023-09-14

Columns and methods of use for analytical standards and compounds

 #15
20230278010
2023-09-07

Columns and methods of use for analytical standards and compounds

 #16
20230227465
2023-07-20

METHOD FOR EVALUATING QUALITY OF (3S)-3-(4-(3-(1,4-DIOXASPIRO[4,5]DEC-7-EN-8-YL)BENZYLOXY)PHENYL)HEX-4-INOIC ACID

 #17
20230133615
2023-05-04

Methods and compositions for analyte quantification

 #18
20230101558
2023-03-30

METABOLOMICS RELATIVE QUANTITATIVE ANALYSIS METHOD BASED ON UPLC/HMRS

 #19
20220404380
2022-12-22

Detection kit for detecting immunosuppressors in whole blood by high performance liquid chromatography-tandem mass spectrometry and detection method thereof

 #20
20220317137
2022-10-06

Test kit for testing fat-soluble vitamins in serum using high performance liquid chromatography coupled with tandem mass spectrometry

 #21
20220178936
2022-06-09

A SENSITIVE LC-MS ASSAY TO MEASURE CURCUMINOIDS IN COMPLEX BIOLOGICAL SAMPLES

 #22
20220057412
2022-02-24

Method for measuring testosterone using LC-MSMS

 #23
20220003726
2022-01-06

Method for matrix effect correction in quantitative mass spectrometric analysis of analytes in complex matrices

 #24
20210190733
2021-06-24

Method for simultaneously determining fat-soluble vitamins and carotenoids in serum

 #25
20210148924
2021-05-20

Mass spectrometry assay method for detection and quantitation of liver function metabolites

 #26
20210072201
2021-03-11

Columns and methods of use for analytical standards and compounds

 #27
20210063361
2021-03-04

Techniques for checking state of analyzers

 #28
20200333361
2020-10-22

Methods and systems for the detection of 11-oxo androgens by LC-MS/MS

 #29
20200283469
2020-09-10

Stable isotope-labeled compounds

 #30
20190257722
2019-08-22

Plastic reference material and method of manufacturing the same

 #31
20190234867
2019-08-01

Triple-internal standard based glycan structural assignment method for capillary electrophoresis analysis of carbohydrates

 #32
20190170711
2019-06-06

Detection and quantitation of guanidinoacetate, creatine, and creatinine by mass spectrometry

 #33
20190079060
2019-03-14

Pretreatment method for analyzing dioxin compounds and analytical method using the same

 #34
20180338939
2018-11-29

Methods of quantifying N-(1-carboxyethyl)-2′-deoxy-guanosine (CEdG) and synthesis of oligonucleotides containing CEdG

 #35
20180207116
2018-07-26

Methods of quantifying N-(1-carboxyethyl)-2′-deoxy-guanosine (CEdG) and synthesis of oligonucleotides containing CEdG

 #36
20180005808
2018-01-04

Compositions, methods, and kits for quantifying target analytes in a sample

 #37
20170276693
2017-09-28

Systems and methods for the measurement of tacrolimus in oral fluids by liquid chromatography tandem mass spectrometry

 #38
20170199166
2017-07-13

Methods for determining relative response factors for impurity analysis using liquid chromatography with absorbance and evaporative light scattering detection

 #39
20170192023
2017-07-06

Isotopically-labeled cholesteryl ester internal standard composition and kit

 #40
20170102367
2017-04-13

Retention index standards for liquid chromatography

 #41
20160282361
2016-09-29

Mass spectrometric assays for peptides

 #42
20160258910
2016-09-08

Standard analyte generator

 #43
20150290156
2015-10-15

Methods of quantifying N-(1-carboxyethyl)-2′-deoxy-guanosine (CEdG) and synthesis of oligonucleotides containing CEdG

 #44
20150140593
2015-05-21

Retention index standards for liquid chromatography

 #45
20140158881
2014-06-12

Compositions, methods, and kits for quantifying target analytes in a sample

 #46
20140004616
2014-01-02

Specific analysis of ketone and aldehyde analytes using reagent compounds, labeling strategies, and mass spectrometry workflow

 #47
20130084646
2013-04-04

QUANTIFYING ELEMENTAL SULFUR IN LIQUID HYDROCARBONS

 #48
20130040857
2013-02-14

Mass spectrometric assays for peptides

 #49
20120270327
2012-10-25

Methods and systems for determining the presence or amount of delta 5 steroid compounds in a sample

 #50
20120238027
2012-09-20

Methods and systems for determining the presence or amount of testosterone in a sample

 #51
20120214244
2012-08-23

Method for quantification of carotenoid

 #52
20120187284
2012-07-26

Functional check and variance compensation in mass spectrometry

 #53
20120071559
2012-03-22

METHODS OF QUANTIFYING N2-(1-CARBOXYETHYL)-2'-DEOXY-GUANOSINE (CEdG) AND SYNTHESIS OF OLIGONUCLEOTIDES CONTAINING CEdG

 #54
20110201039
2011-08-18

Viral protein quantification process and vaccine quality control therewith

 #55
20110091984
2011-04-21

ANALYTICAL METHOD TO MONITOR VACCINE POTENCY AND STABILITY

 #56
20110003395
2011-01-06

SPECIFIC ANALYSIS OF ANALYTES USING REAGENT COMPOUNDS, LABELING STRATEGIES, AND MASS SPECTROMETRY WORKFLOW

 #57
20100285593
2010-11-11

INTERNAL STANDARDS AND METHODS FOR USE IN QUANTITATIVELY MEASURING ANALYTES IN A SAMPLE

 #58
20100241358
2010-09-23

ANALYSIS

 #59
20100102218
2010-04-29

METHODS OF QUANTIFYING N2-(1-CARBOXYETHYL)-2'-DEOXY-GUANOSINE (CEdG) AND SYNTHESIS OF OLIGONUCLEOTIDES CONTAINING CEdG

 #60
20100100335
2010-04-22

Method for quantitating substance to be measured

 #61
20070095757
2007-05-03

Methods and systems for the annotation of biomolecule patterns in chromatography/mass-spectrometry analysis

 #62
20060194329
2006-08-31

Sample analyzing method and sample analyzing program