ClassID:

168932

G01N2030/884 - 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; Integrated analysis systems specially adapted therefor, not covered by a single one of the groups  -  analysis specially adapted for the sample organic compounds

Sub-classes:
Recent Application in this class:
#1
20260153486
2026-06-04

METHOD FOR SIMULTANEOUS DETERMINATION OF CHLOROGENIC ACID, FERULIC ACID, DRACOHODIN, CINNAMALDEHYDE, LIGUSTILIDE, AND OSTHOLE IN XIANGDU HUOXUE PLASTER

#2
20260140098
2026-05-21

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

#3
20260133168
2026-05-14

METHOD FOR DETECTING POLYHEXAMETHYLENE BIGUANIDE HYDROCHLORIDE IN TEXTILES

#4
20260104399
2026-04-16

A PROCESS FOR ASSESSING BIODEGRADABILITY OF COMPLEX ORGANIC MIXTURES

#5
20260070853
2026-03-12

PROCESS FOR PRODUCING BIOFERTILIZERS/BIOSTIMULANTS FROM MICROALGAE OF THE SPECIES SCENEDESMUS SP. WITH INTENSIVE CO2 CAPTURE, BIOFERTILIZERS/BIOSTIMULANTS OBTAINED BY SAID PROCESS AND THEIR USES IN AGRICULTURE

#6
20260015382
2026-01-15

METHODS FOR TREATING POLYSORBATE-CONTAINING PROTEIN FORMULATIONS

#7
20250306044
2025-10-02

HEMOLYSIS AND DERIVATIZATION REAGENTS AND METHODS FOR DETERMINING LACTONE ANALYTES

#8
20250271417
2025-08-28

METHOD FOR DETERMINING WHETHER A BOVINE HAS A RESPIRATORY DISEASE

#9
20250246314
2025-07-31

METHODS FOR THE DETECTION AND TREATMENT OF PANCREATIC DUCTAL ADENOCARCINOMA

#10
20250231156
2025-07-17

ANALYSIS OF HIGH PURITY ALKYL TIN COMPOUNDS

#11
20250208101
2025-06-26

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

#12
20250208099
2025-06-26

METHOD FOR DETERMINING OXALIC ACID CONTENT OF DIMETHYL OXALATE

#13
20250197896
2025-06-19

HEAD SPACE / GAS CHROMATOGRAPHY FOR REACTION MONITORING OF ACRYLAMIDE SYNTHESIS

#14
20250123251
2025-04-17

METHOD OF ANALYZING ISOPROPYLPHENYL PHOSPHATE

#15
20250093311
2025-03-20

METHODS FOR IDENTIFYING SULFUR-TREATED FOOD PRODUCTS

#16
20250035599
2025-01-30

SYSTEMS AND METHODS FOR AUTOMATED GAS CHROMATOGRAPHY PEAK ALIGNMENT

#17
20240393304
2024-11-28

METHOD FOR DETECTING AND/OR QUANTIFYING MOOD DISORDER AND/OR IMPROVEMENTS OF THE MOOD DISORDER STATUS USING TRIGONELLINE AS BIOMARKER AND IMPROVED METHODS AND COMPOSITIONS THEREOF

#18
20240385153
2024-11-21

METHOD FOR ANALYZING REACTIVE LOW-MOLECULAR-WEIGHT COMPOUND CONTAINED IN POLYOXYETHYLENE DERIVATIVE

#19
20240352061
2024-10-24

PROCESS FOR SEPARATION AND QUANTIFICATION OF NON-IONIC SURFACTANT

#20
20240345100
2024-10-17

DIAGNOSTIC BIOMARKER FOR CANCER AND USE THEREOF

#21
20240343738
2024-10-17

Method for preparing pranoprofen and composition comprising pranoprofen and impurity

#22
20240301317
2024-09-12

METHOD FOR SEPARATING AND QUANTIFYING SATURATED AND UNSATURATED DIALKYL KETONES

#23
20240280550
2024-08-22

ANALYSIS METHOD OF CARBOXYLIC ACID ANHYDRIDE

#24
20240274425
2024-08-15

MASS SPECTROMETER AND DATA ACQUISITION METHODS FOR IDENTIFICATION OF POSITIVE AND NEGATIVE ANALYTE IONS

#25
20240272129
2024-08-15

VIRTUAL SENSOR SYSTEM FOR MEASURING VOC INFLOW AMOUNT OF RTO AND METHOD FOR VERIFYING VOC MEASUREMENT SENSOR BY USING SAME

#26
20240241095
2024-07-18

CHROMATOGRAPHY COLUMN FOR THE SEPARATION OF SURFACTANTS

#27
20240221871
2024-07-04

METHOD AND DEVICE FOR MEASURING CONCENTRATION OF VOLATILE ORGANIC COMPOUNDS (VOCS), AND READABLE STORAGE MEDIUM

#28
20240219358
2024-07-04

BIOMARKERS ASSOCIATED WITH RESIDUAL FEED INTAKE OF CHICKENS IN GROWING PERIOD AND APPLICATION THEREOF

#29
20240201164
2024-06-20

EVALUATION OF PATIENTS WITH CYSTIC FIBROSIS USING SWEAT

#30
20240150281
2024-05-09

PROCESS FOR PREPARING A THIOETHER

#31
20240085386
2024-03-14

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

#32
20240085383
2024-03-14

METHOD FOR DETECTING CONTENT OF GLYCOSAMINOGLYCAN CARBOXYLATED DERIVATIVE IN SAMPLE, AND APPLICATION THEREOF

#33
20240053305
2024-02-15

Rapid method for different types of biocide residual with analysis procedure

#34
20240044850
2024-02-08

Gas analyte spectrum sharpening and separation with multi-dimensional micro-GC for gas chromatography analysis

#35
20230417715
2023-12-28

Method for separation and quantitation of benzene, toluene, ethyl benzene, o-xylene, m-xylene, and p-xylene (BTEX) using high performance liquid chromatography

#36
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

#37
20230194551
2023-06-22

BIOMARKER IN BLOOD FOR MACULAR EDEMA AND USE THEREOF

#38
20230138563
2023-05-04

METHODS FOR QUANTIFICATION OF COMPOUNDS IN CULTIVARS OF Cannabis sp.

#39
20220365063
2022-11-17

GROUP B STREPTOCOCCUS INFECTION

#40
20220365052
2022-11-17

SYSTEM, APPARATUS, AND METHOD FOR MONITORING ORGANIC COMPOUNDS IN A GAS ENVIRONMENT

#41
20220305474
2022-09-29

Electrochemical reduction of carbon dioxide

#42
20220299489
2022-09-22

MIXTURE OF ISOMERS OF AMINAPHTONE, ANALYTICAL METHOD FOR IDENTIFYING THEM AND PHARMACEUTICAL COMPOSITION COMPRISING SAID ISOMERS

#43
20220163500
2022-05-26

INDEX MATERIAL FOR CLASSIFICATION OF KOREAN GINSENG AND CLASSIFICATION OF KOREAN GINSENG SPECIES USING THE SAME

#44
20220026404
2022-01-27

Analyzing method for azo compound

#45
20220018740
2022-01-20

Dynamic headspace vacuum transfer “in trap” extraction method and apparatus

#46
20210396724
2021-12-23

Apparatus and method for producing policosanol having specific chromatographic fingerprint

#47
20210341440
2021-11-04

Systems and Methods for Pesticide Detection

#48
20210300622
2021-09-30

Gas analyte spectrum sharpening and separation with multi-dimensional micro-GC for gas chromatography analysis

#49
20210293765
2021-09-23

Detection reagent, detection device, and method for detecting primary amide compound

#50
20210285920
2021-09-16

Detection method for n-nitrosodimethylamine impurities

#51
20210239718
2021-08-05

METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY

#52
20210208116
2021-07-08

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

#53
20210102923
2021-04-08

METHOD FOR ANALYZING TRIGLYCERIDE, METHOD FOR SORTING OIL AND FAT, AND METHOD FOR PRODUCING TRIGLYCERIDE

#54
20210063370
2021-03-04

System, apparatus, and method for monitoring organic compounds in a gas environment

#55
20210010984
2021-01-14

Method for determining weight-average molecular weight and content of soluble salt of acidic carbohydrates

#56
20200278331
2020-09-03

Analysis method

#57
20200246465
2020-08-06

USE OF TRYPTOPHAN DERIVATIVES FOR PROTEIN FORMULATIONS

#58
20200080976
2020-03-12

Method for judgment of cheddar grade based on identification characteristic flavor composition

#59
20200039908
2020-02-06

Isolation of pure cannabinoids from

#60
20200025730
2020-01-23

Methods for determination of polar pesticides by chromatography

#61
20190339241
2019-11-07

GAS DETECTION APPARATUS

#62
20190331660
2019-10-31

Compact gas analysis device and method

#63
20190250081
2019-08-15

Detection of organic halide compounds using close loop flow assisted electro-enhanced solid-phase microextraction

#64
20190250080
2019-08-15

Use of platinum wire electrode and synthetic fiber for flow assisted electro-enhanced solid phase microextraction

#65
20190227041
2019-07-25

Systems and methods for pesticide detection using mass spectroscopy

#66
20190178858
2019-06-13

Synthetic Cannabinoid structure classification using the bridge carbonyl frequency in vapor phase

#67
20190178855
2019-06-13

Wearable detector for fentanyl and its analogues

#68
20190170711
2019-06-06

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

#69
20190137460
2019-05-09

Method for identification and quantification of siloxanes in gaseous stream

#70
20190094195
2019-03-28

System, apparatus, and method for monitoring organic compounds in a gas environment

#71
20190079092
2019-03-14

Method of Diagnosing Cancer by Determining the Level of One or More Volatile Organic Compounds

#72
20190064126
2019-02-28

Methods of liquid chromatography for anionic compounds

#73
20180335407
2018-11-22

Continuous and separating gas analysis

#74
20180284145
2018-10-04

Apparatus and methods for sample analysis and classification based on terpenes and cannabinoids in the sample

#75
20180267002
2018-09-20

Method for determining dimethyl disulphide

#76
20180259494
2018-09-13

Polar pesticide determination using chromatography

#77
20180238844
2018-08-23

Analysis method for mycotoxins

#78
20180224411
2018-08-09

BOTANICAL IDENTIFICATION METHOD AND SYSTEM

#79
20180209946
2018-07-26

Gas analyte spectrum sharpening and separation with multi-dimensional micro-GC for gas chromatography analysis

#80
20180180590
2018-06-28

Volatile organic compounds as diagnostic breath markers for pulmonary oxygen toxicity

#81
20180141964
2018-05-24

Functionalized cyanosilane and synthesis method and use thereof

#82
20180136187
2018-05-17

Analysis system and method for detecting volatile organic compounds in liquid

#83
20180086710
2018-03-29

Determining degradation of 3,4-diaminopyridine

#84
20170343517
2017-11-30

Micro-device for detecting volatile organic compounds, and method for detecting at least one volatile organic compound contained in a gas sample

#85
20170292939
2017-10-12

N-nitrosamine determination in aqueous samples with sonication and microextraction

#86
20170242044
2017-08-24

METHODS FOR DETECTING VITAMIN C BY MASS SPECTROMETRY

#87
20170239355
2017-08-24

USE OF TRYPTOPHAN DERIVATIVES FOR PROTEIN FORMULATIONS

#88
20170234843
2017-08-17

Pre-analysis treatment device usable for amino acid, organic acid, and glucide and pre-analysis treatment method

#89
20170052155
2017-02-23

Method for measuring formaldehyde in solutions containing certain formaldehyde-releasing biocides

#90
20170052153
2017-02-23

Method for detecting and quantifying haloether contamination in aqueous samples by flow assisted electro-enhanced solid-phase microextraction

#91
20160187307
2016-06-30

One reactor post column reaction GC/FID system using Ru catalyst

#92
20160097748
2016-04-07

Autonomous ambient air sampling system for monitoring semi-volatile/non-volatile organic compounds

#93
20160011165
2016-01-14

Sample introduction mechanism for total organic carbon meter

#94
20150360146
2015-12-17

Purification of organic compounds using surrogate stationary phases on reversed phase columns

#95
20150351662
2015-12-10

Cancer diagnosis method using respiratory gas

#96
20150192550
2015-07-09

Gas analyte spectrum sharpening and separation with multi-dimensional micro-GC for gas chromatography analysis

#97
20140004616
2014-01-02

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

#98
20130280742
2013-10-24

Quantification and characterization of allergens

#99
20130274327
2013-10-17

Anti-inflammatory metabolite derived from omega-3-type fatty acid

#100
20130095571
2013-04-18

Method for quick and simultaneous determination of 16 inorganic anions and organic acids in tobacco

#101
20130055791
2013-03-07

SAMPLE TRAPPING METHOD AND SAMPLE TRAPPING APPARATUS

#102
20120222469
2012-09-06

Apparatus and procedure for in vitro measurement of a substance, nicotine, released from a smokeless tobacco product

#103
20120157397
2012-06-21

Trimethylamine-containing compounds for diagnosis and prediction of disease

#104
20120048003
2012-03-01

VITAMIN ASSAY METHODS

#105
20110259081
2011-10-27

Gas analyte spectrum sharpening and separation with multi-dimensional micro-GC for gas chromatography analysis

#106
20110198291
2011-08-18

Purifying agent for oily liquid containing polychlorinated biphenyls

#107
20110179855
2011-07-28

Methods for detecting vitamin C by mass spectrometry

#108
20110003395
2011-01-06

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

#109
20100270466
2010-10-28

Process for analyzing low molecular weight organic compound having at most 20 carbon atoms in a water/oil repellent compositon

#110
20100248380
2010-09-30

METHOD AND ASSAYS FOR QUANTITATION OF ACETAMIDE IN A COMPOSITION

#111
20100084545
2010-04-08

Methods for detecting vitamin C by mass spectrometry

#112
20100018920
2010-01-28

REACTION AND SEPARATION METHODS

#113
20090124019
2009-05-14

ABSOLUTE METHOD FOR THE QUANTIFICATION OF ORGANIC COMPOUNDS

#114
20090013769
2009-01-15

ASSAY FOR OILS

#115
20090012042
2009-01-08

Hydroxypropyl-sulfobutyl-beta-cyclodextrin, the preparation method, the analytical method, and the pharmacutical application thereof

#116
20080312455
2008-12-18

Method For Determining Enantiomeric Purity Of Darifenacin And Intermediates

#117
20080268118
2008-10-30

Process for the separation and sensory evaluation of flavours using HTLC

#118
20070258909
2007-11-08

Method for the Analysis of 1,1,1,2-Tetrafluoroethane

#119
20060130565
2006-06-22

Measurement of total reactive isocyanate groups in samples using bifunctional nucleophiles such as 1,8-diaminonaphthalene (dan)

#120
20050234268
2005-10-20

Chromatographic method for the analysis of both in process and finished sevoflurane