ClassID:

168935

G01N2030/8854 - 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 involving hydrocarbons

Recent Application in this class:
#1
20260146981
2026-05-28

AUTOMATIC TUNING OF A RIG SITE GAS CHROMATOGRAPH

#2
20260036566
2026-02-05

DETERMINING HYDROCARBON MIGRATION DIRECTION USING AROMATIC-SELECTIVE SIZE EXCLUSION CHROMATOGRAPHY

#3
20260002913
2026-01-01

METHOD AND SYSTEM FOR ANALYZING HYDROCARBON-CONTAINING SAMPLES

#4
20250129002
2025-04-24

PRODUCTION METHOD OF PRODUCT 1,3-BUTYLENE GLYCOL

#5
20250102476
2025-03-27

METHOD FOR SEPARATION AND QUANTITATION OF HEAVY POLYCYCLIC AROMATIC HYDROCARBONS (HPAHS) USING AROMATIC-SELECTIVE SIZE EXCLUSION CHROMATOGRAPHY

#6
20250093324
2025-03-20

GROUP-TYPE ANALYSIS OF HYDROCARBON SAMPLES

#7
20240241096
2024-07-18

CARBON NUMBER DISTRIBUTION ANALYSIS OF DISTILLATION FRACTIONS

#8
20240241090
2024-07-18

HIGH-RESOLUTION AGE DIFFERENTIATION OF JURASSIC-SOURCED OILS ACROSS THE NORTH ATLANTIC MARGINS

#9
20240192190
2024-06-13

DETERMINING RESERVOIR FLUID COMPOSITION TO PENTATETRACONTANES PLUS

#10
20240167987
2024-05-23

ESTIMATION OF ALKYL SUBSTITUENT CARBON NUMBER OF AROMATIC COMPOUNDS USING GEL PERMEATION CHROMATOGRAPHY RETENTION TIME AND PREDICTION MODELS

#11
20240141238
2024-05-02

Targeted Disulfide Reduction in Petroleum Matrices

#12
20230408466
2023-12-21

Modular gas detection system for a wellbore

#13
20230374902
2023-11-23

Predicted bias correction for a gas extractor and fluid sampling system

#14
20230273176
2023-08-31

METHOD TO PREPARE VIRTUAL ASSAY USING HIGH PRESSURE LIQUID CHROMATOGRAPHY

#15
20230271108
2023-08-31

Method to prepare virtual assay using gel permeation chromatography

#16
20230221459
2023-07-13

Predicting contamination and clean fluid properties from downhole and wellsite gas chromatograms

#17
20230184727
2023-06-15

Method for analyzing deuterated benzenes, method for selecting deuterated benzene for deuterated compound preparation, and method for preparing deuterated compound

#18
20230126406
2023-04-27

DETECTOR FOR LIQUID CHROMATOGRAPH

#19
20220290560
2022-09-15

Determining reservoir fluid composition to pentatetracontanes plus

#20
20220283133
2022-09-08

Modified resins and uses thereof

#21
20220214317
2022-07-07

High pressure high temperature direct fluid injection to gas chromatography in a PVT system

#22
20220146475
2022-05-12

Method of and apparatus for scanning with an underwater mass spectrometer

#23
20210318271
2021-10-14

Method for adapting the concentration of a sample gas in a gas mixture to be analysed by a gas chromatograph assembly, and chromatograph assembly therefore

#24
20210033578
2021-02-04

Modified resins and uses thereof

#25
20210018477
2021-01-21

Determination of asphaltene solubility distribution

#26
20200371075
2020-11-26

Modified resins and uses thereof

#27
20200173968
2020-06-04

Organic carbon detector for liquid chromatography and use thereof

#28
20200080985
2020-03-12

Marker compositions, and methods for making and using same

#29
20200033305
2020-01-30

Gas chromatography column with polybutadiene coating

#30
20190383748
2019-12-19

Furnace suited for chemiluminescent sulphur detection

#31
20190368345
2019-12-05

Gas isotope analysis

#32
20190277823
2019-09-12

VOLATILE ORGANIC COMPOUNDS FROM NATURAL SPECIMENS AND USES THEREOF

#33
20190271678
2019-09-05

Subsea gas quality analysis

#34
20190204290
2019-07-04

Fluorescence based global fuel analysis method

#35
20190187121
2019-06-20

Determining hydrocarbon content in steam condensate

#36
20190169512
2019-06-06

METHOD FOR DETERMINING ASPHALTENE STABILITY OF A HYDROCARBON-CONTAINING MATERIAL

#37
20190154638
2019-05-23

System and method for real time monitoring of a chemical sample

#38
20190106639
2019-04-11

Methods for analyzing hydrocarbons and hydrocarbon blends for chemical compositions

#39
20190085253
2019-03-21

Marker compositions with nitrogen compounds, and methods for making and using same

#40
20190025198
2019-01-24

Combined Vibrational Spectroscopy and Laser Induced Breakdown Spectroscopy for Improved Mineralogical and Geochemical Characterization of Petroleum Source or Reservoir Rocks

#41
20180340923
2018-11-29

Rapid identification of brake fluid

#42
20180333658
2018-11-22

Mud pump and vacuum gas extraction system

#43
20180284085
2018-10-04

Modified resins and uses thereof

#44
20180275113
2018-09-27

Method and system for contemporaneous analysis of a crude oil front end and a crude oil boiling point distribution via a single gas chromatograph

#45
20180217112
2018-08-02

Method to determine transformation of kerogen to oil/gas at different maturities using step-wise pyrolysis-gas chromatography

#46
20180148564
2018-05-31

Markers for aqueous compositions

#47
20180059089
2018-03-01

Marker compositions, and methods for making and using same

#48
20180031463
2018-02-01

Thin-layer chromatography for screening oil-field surfactants

#49
20180024100
2018-01-25

Temperature control for surface acoustic wave sensor

#50
20170370897
2017-12-28

Characterization of crude oil by fourier transform near infrared spectrometry

#51
20170363603
2017-12-21

Characterization of crude oil by high pressure liquid chromatography

#52
20170363591
2017-12-21

Characterization of crude oil by simulated distillation

#53
20170322191
2017-11-09

Diffusion chromatography fluid analysis

#54
20170320055
2017-11-09

Loading tool for a multi-well chromatography filter plate

#55
20170297971
2017-10-19

Method for marking oil products and marker composition for oil products

#56
20170284995
2017-10-05

Composition and method of screening hydrocarbons to limit potential toxicological hazards

#57
20170254792
2017-09-07

Fluid composition and reservoir analysis using gas chromatography

#58
20170200378
2017-07-13

System and method for measure operation benefits of flight deck avionics

#59
20170153211
2017-06-01

Mudlogging injection system

#60
20170115257
2017-04-27

Method and system for contemporaneous analysis of a crude oil front end and a crude oil boiling point distribution via a single gas chromatograph

#61
20170067802
2017-03-09

Composite gas sampling system

#62
20160349174
2016-12-01

Combined vibrational spectroscopy and laser induced breakdown spectroscopy for improved mineralogical and geochemical characterization of petroleum source or reservoir rocks

#63
20160274073
2016-09-22

Method and system for an oxygen sensor

#64
20160272899
2016-09-22

Methods of successive elution of components of hydrocarbons

#65
20160237816
2016-08-18

Determination of fluid compositions

#66
20160223499
2016-08-04

Apparatus for and method of gas analysis

#67
20160178602
2016-06-23

Analytical method for detecting fuel markers

#68
20160178599
2016-06-23

Fluid composition and reservoir analysis using gas chromatography

#69
20160169858
2016-06-16

Low volume in-line filtration method for evaluation of asphaltenes for hydrocarbon-containing feedstock

#70
20160146764
2016-05-26

Simulataneous gas chromatograph analysis of a multi-stream natural gas upgrade generated through a multi-membrane process

#71
20160131631
2016-05-12

Method for characterizing the hydrocarbon content of a reformate stream

#72
20160077066
2016-03-17

Analytical method for detecting fuel markers

#73
20160061804
2016-03-03

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

#74
20160025699
2016-01-28

Determination of the distribution of reactive and non-reactive sulfur in petroleum and its fractions

#75
20160010453
2016-01-14

Device for automatically calibrating an analyzer used for mud gas or fluid logging, associated analysis system and drilling rig

#76
20150355119
2015-12-10

Providing appliances with gas quality information

#77
20150346171
2015-12-03

Data processing device for comprehensive two-dimensional chromatograph

#78
20150198545
2015-07-16

High temperature simulated distillation

#79
20150114837
2015-04-30

Capillary electrophoresis for reservoir fluid analysis at wellsite and laboratory

#80
20150112611
2015-04-23

Relative valuation method for naphtha streams

#81
20150112609
2015-04-23

Plus-fraction corrections for heavy hydrocarbon liquids

#82
20150089997
2015-04-02

System and method for rapid analysis of polycyclic aromatic hydrocarbons

#83
20140345370
2014-11-27

Devices, systems and methods for analyzing fluid streams

#84
20140318217
2014-10-30

On-line analyzer for VOCs and method of using the same

#85
20140248708
2014-09-04

Apparatus for and method of gas analysis

#86
20140208825
2014-07-31

Petroleum-fluid property prediction from gas chromatographic analysis of rock extracts or fluid samples

#87
20140150527
2014-06-05

Device for measuring total or fractionated quantity of hydrocarbons in a solid sample

#88
20130295677
2013-11-07

Method and apparatus for determining formation fluid composition

#89
20130233057
2013-09-12

Device for analyzing at least one hydrocarbon contained in a drilling fluid and associated method

#90
20130218481
2013-08-22

Determining acid concentration by boiling point

#91
20130158890
2013-06-20

METHODS FOR EVALUATING GREEN DIESEL FUEL COMPOSITIONS

#92
20130143247
2013-06-06

Volatile organic compounds for detecting cell dysplasia and genetic alterations associated with lung cancer

#93
20130138360
2013-05-30

Allocating oil production from geochemical fingerprints

#94
20130125619
2013-05-23

Measurement of carbon to hydrogen ratio in hydrocarbons

#95
20130124106
2013-05-16

METHOD FOR ESTIMATING SEDIMENT CONTENT OF A HYDROPROCESSED HYDROCARBON-CONTAINING FEEDSTOCK

#96
20130124105
2013-05-16

Method for predicting sediment content of a hydroprocessed hydrocarbon product

#97
20130118951
2013-05-16

Method for predicting catalyst performance

#98
20130085674
2013-04-04

Real-time compositional analysis of hydrocarbon based fluid samples

#99
20130084646
2013-04-04

QUANTIFYING ELEMENTAL SULFUR IN LIQUID HYDROCARBONS

#100
20130067991
2013-03-21

Hydrocarbon separation and analysis apparatus and methods

#101
20130055795
2013-03-07

Fractionation of de-asphalted oil of vacuum resid using preparative high performance liquid chromatographic separations

#102
20120272715
2012-11-01

Analysis of pressurized reservoir fluids

#103
20120270330
2012-10-25

Hybrid Separation and Detection Device for Chemical Detection and Analysis

#104
20120198915
2012-08-09

Gas analyzer

#105
20120165227
2012-06-28

COMPOUNDS AND METHODS FOR DETECTION AND QUANTIFICATION OF CARBOXYLIC ACIDS

#106
20120160015
2012-06-28

METHODS FOR PREDICTING FOULING TENDENCIES OF HYDROCARBON CONTAINING FEEDSTOCKS

#107
20120125852
2012-05-24

Method for analyzing activated polyethylene glycol compounds

#108
20120085149
2012-04-12

Fluid compositional analysis by combined gas chromatographic and direct flash methods

#109
20120053838
2012-03-01

Downhole sample analysis method

#110
20120011919
2012-01-19

Automated analysis of pressurized reservoir fluids

#111
20120004776
2012-01-05

Traced chemicals and method to verify and control formulation composition

#112
20110260051
2011-10-27

Method for detecting tracer compounds for hydrocarbon production

#113
20110246149
2011-10-06

METHOD FOR PREDICTING POSSIBILITY OF OCCURRENCE OF ANOMALY IN OIL-FILLED ELECTRICAL APPARATUS

#114
20110232365
2011-09-29

Method for analyzing petroleum-based fuels and engine oils for biodiesel contamination

#115
20110209525
2011-09-01

Simulation distillation by comprehensive two-dimensional gas chromatography

#116
20110198291
2011-08-18

Purifying agent for oily liquid containing polychlorinated biphenyls

#117
20110100092
2011-05-05

Method of determining the fuel content in a combustion engine lubricating oil

#118
20110066441
2011-03-17

METHOD FOR PREDICTING REACTIVITY OF A HYDROCARBON-CONTAINING FEEDSTOCK FOR HYDROPROCESSING

#119
20110062058
2011-03-17

METHOD FOR DETERMINING ASPHALTENE STABILITY OF A HYDROCARBON-CONTAINING MATERIAL

#120
20110023583
2011-02-03

Determining formation fluid composition

#121
20110000294
2011-01-06

Method of analyzing a number of hydrocarbons contained in a drilling fluid, and associated device

#122
20100270466
2010-10-28

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

#123
20100212399
2010-08-26

Gas analyzer

#124
20100151440
2010-06-17

High throughput screening platform for high ethanol production

#125
20100148048
2010-06-17

System for providing a calibration for a testing device used to evaluate ethanol production yield, and associated method

#126
20100139367
2010-06-10

Method of analysing the hydrocarbon compounds in a bituminous material

#127
20100120158
2010-05-13

Method for analyzing petroleum-based fuels and engine oils for biodiesel contamination

#128
20100116023
2010-05-13

Method for extracting polychlorinated biphenyls

#129
20100089120
2010-04-15

Method for correcting the measured concentrations of gas components in drilling mud

#130
20100064795
2010-03-18

Downhole fluid property chromatography

#131
20100018287
2010-01-28

WIRLELINE DOWNHOLE GAS CHROMATOGRAPH AND DOWNHOLE GAS CHROMATOGRAPHY METHOD

#132
20090158820
2009-06-25

METHOD AND SYSTEM FOR DOWNHOLE ANALYSIS

#133
20090151426
2009-06-18

High pressure and high temperature chromatography

#134
20090107213
2009-04-30

Method for preparing sample for analysis of dioxins

#135
20090013769
2009-01-15

ASSAY FOR OILS

#136
20080296487
2008-12-04

Method and system for chemical and physical characterization of complex samples

#137
20080260587
2008-10-23

Hydrocarbon Preparation System

#138
20080141767
2008-06-19

Enhanced downhole fluid analysis

#139
20080134754
2008-06-12

Process for converting biogas to a pipeline grade renewable natural gas

#140
20080121017
2008-05-29

Gas chromatography system architecture incorporating integrated thermal management

#141
20080121016
2008-05-29

Gas chromatography system architecture

#142
20070181798
2007-08-09

Method and system for chemical and physical characterization of complex samples

#143
20070138097
2007-06-21

Preanalysis treatment method and apparatus for analysis of polycyclic aromatic hydrocarbons

#144
20070137481
2007-06-21

METHOD TO MEASURE OLEFINS IN A COMPLEX HYDROCARBON MIXTURE

#145
20070114377
2007-05-24

Micro-hydrocarbon analysis

#146
20060265141
2006-11-23

Data processing/visualization method for two (multi) dimensional separation gas chromatography xmass spectrometry (GCxMS) technique with a two (multiply) dimensional separation concept as an example

#147
20060210442
2006-09-21

Apparatus and method for analyzing nitropolycyclic aromatic hydrocarbon contained in diesel particulate

#148
20060198818
2006-09-07

Method for analyzing activated polyethylene glycol compounds

#149
20060021940
2006-02-02

Method and device for integrated analysis of a hydrocarbon sample

#150
20050287037
2005-12-29

Preparation method for sample for analysis of dioxins and preparation apparatus for the same

#151
20050019940
2005-01-27

Methods and systems for high throughput analysis