ClassID:

105422

C10G21/16 - CPC Classification

Classification description:

Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used; Organic compounds only Oxygen-containing compounds

Recent Application in this class:
#1
20260062626
2026-03-05

PROCESS OF UPGRADING A PYROLYSIS OIL AND UPGRADING SOLUTION USED THEREIN

#2
20260035621
2026-02-05

METHOD FOR EXTRACTION AND ANALYSIS OF POLYCYCLIC AROMATIC HYDROCARBONS IN PETROLEUM PRODUCTS

#3
20250129301
2025-04-24

DESULFURIZATION TECHNIQUES

#4
20250066222
2025-02-27

Method and System for Removing Hydrogen Sulfide From Sour Oil and Sour Water

#5
20240218267
2024-07-04

AROMATICS EXTRACTION THROUGH INTEGRATION OF COMPLEMENTARY CO-SOLVENTS

#6
20240218266
2024-07-04

LOW ENERGY PROCESS TO PRODUCE A HYDROPHOBIC OIL FROM BIOMASS PYROLYSIS LIQUIDS

#7
20240093099
2024-03-21

PROCESS OF UPGRADING A PYROLYSIS OIL AND UPGRADING SOLUTION USED THEREIN

#8
20240076558
2024-03-07

METHOD FOR PURIFYING A PYROLYSIS OIL IN ORDER TO UPGRADE IT BY STEAM-CRACKING

#9
20240010523
2024-01-11

Method and system for removing hydrogen sulfide from sour oil and sour water

#10
20230407188
2023-12-21

METHOD FOR REMOVING ASPHALTENES, RESINS AND HEAVY METALS FROM CRUDE OIL

#11
20230313053
2023-10-05

Desulfurization techniques

#12
20230287277
2023-09-14

Method of Desulfurizing an Oil Composition

#13
20230201741
2023-06-29

Separating hydrocarbons with dihydrolevoglucosenone or a derivative of dihydrolevoglucosenone as a solvent

#14
20230145086
2023-05-11

Simultaneous production of high value de-aromatized kerosene and BTX from refinery hydrocarbons

#15
20230141299
2023-05-11

Crosslinked polymer for dewaxing—preparation and implementations thereof

#16
20230049368
2023-02-16

LOW ENERGY PROCESS TO PRODUCE A HYDROPHOBIC OIL FROM BIOMASS PYROLYSIS LIQUIDS

#17
20230002249
2023-01-05

Method and system for removing hydrogen sulfide from sour oil and sour water

#18
20220372384
2022-11-24

PROCESS FOR THE PREPARATION OF OLEFINS, COMPRISING DE-ASPHALTING, HYDROCRACKING AND STEAM CRACKING

#19
20220363999
2022-11-17

Method for producing petroleum-based process oils

#20
20220267683
2022-08-25

LIQUID-LIQUID EXTRACTION OF HYDROCARBONS IN BULK STORAGE TANKS

#21
20220195315
2022-06-23

Process of upgrading a pyrolysis oil and upgrading solution used therein

#22
20220073827
2022-03-10

OIL DESULFURIZATION METHOD AND SYSTEM

#23
20220017833
2022-01-20

Methods and Compositions for Scavenging Sulfides from Hydrocarbon Fluids and Aqueous Streams

#24
20210309925
2021-10-07

Desulfurization techniques

#25
20210261871
2021-08-26

LIQUID/LIQUID EXTRACTION OF HYDROCARBONS IN BULK STORAGE TANKS

#26
20210171841
2021-06-10

Selective reforming process to produce gasoline blending components and aromatics

#27
20210122648
2021-04-29

Method and system for removing hydrogen sulfide from sour oil and sour water

#28
20210054294
2021-02-25

PROCESS FOR UPGRADING A PETROLEUM PRODUCT

#29
20200283686
2020-09-10

Separation of fractions in hydrocarbon samples using an accelerated solvent extractor

#30
20200248081
2020-08-06

A DEWAXING AID FOR PETROLEUM REFINING

#31
20200199460
2020-06-25

Process For The Removal Of Nitrogen-Containing Compounds From A Hydrocarbon Feed

#32
20200109335
2020-04-09

Chemical process for sulfur reduction of hydrocarbons

#33
20200087581
2020-03-19

Haze-free base oils with high paraffinic content

#34
20200080009
2020-03-12

Method of pretreating and converting hydrocarbons

#35
20200024526
2020-01-23

Functionalized aldehydes as HS and mercaptan scavengers

#36
20200017780
2020-01-16

Fischer-tropsch feedstock derived haze-free base oil fractions

#37
20190368451
2019-12-05

Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand

#38
20190336908
2019-11-07

Coalescer for co-current contactors

#39
20190330540
2019-10-31

Low energy process to produce a hydrophobic oil from biomass pyrolysis liquids

#40
20190284487
2019-09-19

Selective liquid-liquid extraction of oxidative desulfurization reaction products

#41
20190233739
2019-08-01

USE OF COMPOSITIONS HAVING A CONTENT OF CONDENSATION PRODUCT OF 1-AMINOPROPAN-2-OL AND FORMALDEHYDE IN THE REMOVAL OF SULPHUR COMPOUNDS FROM PROCESS STREAMS

#42
20190194523
2019-06-27

Synergized hemiacetals composition and method for scavenging sulfides and mercaptans

#43
20190161687
2019-05-30

Method for treating a hydrocarbon feedstock comprising a deasphalting step and an asphalt conditioning step

#44
20190144761
2019-05-16

Nitrogen-free hydrogen sulfide scavengers

#45
20190144760
2019-05-16

Methods to deconstruct asphaltene in petroleum products

#46
20190002768
2019-01-03

Nitrogen based hydrogen sulfide scavengers and method of use thereof

#47
20180362868
2018-12-20

METHOD FOR REDUCING CORROSIVE IONS IN AROMATIC COMPOUND EXTRACTION SOLVENT

#48
20180339243
2018-11-29

Composition and a process for reducing aromatics from a hydrocarbon feedstock

#49
20180222771
2018-08-09

Method and system for removing hydrogen sulfide from sour oil and sour water

#50
20180216014
2018-08-02

Low viscosity metal-based hydrogen sulfide scavengers

#51
20180216013
2018-08-02

Functionalized aldehydes as HS and mercaptan scavengers

#52
20180187104
2018-07-05

Systems and methods for separation and extraction of heterocyclic compounds and polynuclear aromatic hydrocarbons from a hydrocarbon feedstock

#53
20180029958
2018-02-01

Paraffin removal from C4 containing streams

#54
20170369797
2017-12-28

SYSTEMS AND METHODS RELATED TO THE SEPARATION WAX PRODUCTS FROM PRODUCTS

#55
20170355618
2017-12-14

Method and system for removing hydrogen sulfide from sour oil and sour water

#56
20170341508
2017-11-30

Adjusting a fuel on-board a vehicle

#57
20170306246
2017-10-26

LOW VISCOSITY METAL-BASED HYDROGEN SULFIDE SCAVENGERS

#58
20170298281
2017-10-19

Chemical process for sulfur reduction of hydrocarbons

#59
20170283734
2017-10-05

Method for Producing Base Lubricating Oil from Waste Oil

#60
20170282708
2017-10-05

Adjusting a fuel on-board a vehicle

#61
20170275538
2017-09-28

Method for Producing Base Lubricating Oil from Oils Recovered from Combustion Engine Service

#62
20170158973
2017-06-08

Oxidative desulfurization of oil fractions and sulfone management using an FCC

#63
20170158972
2017-06-08

Desulfurization and sulfone removal using a coker

#64
20170152449
2017-06-01

Method and apparatus for recovering synthetic oils from composite oil streams

#65
20170130144
2017-05-11

Oxidative desulfurization of oil fractions and sulfone management using an FCC

#66
20170130143
2017-05-11

Method and apparatus for recovering synthetic oils from composite oil streams

#67
20170095754
2017-04-06

Polyol-induced extraction of water from organic liquids

#68
20170081595
2017-03-23

Process to produce oil with low polyaromatic hydrocarbon content

#69
20170044449
2017-02-16

Carbon dioxide fractionalization process

#70
20160369175
2016-12-22

SOLVENT EXTRACTION PROCESS TO STABILIZE, DESULPHURIZE AND DRY WIDE RANGE DIESELS, STABILIZED WIDE RANGE DIESELS OBTAINED AND THEIR USES

#71
20160317947
2016-11-03

Process for upgrading biomass derived products using liquid-liquid extraction

#72
20160289575
2016-10-06

Method and system for removing hydrogen sulfide from sour oil and sour water

#73
20160222303
2016-08-04

Method for upgrading fluid catalytic cracking gasoline

#74
20160075954
2016-03-17

Method and apparatus for the purification of a hydrocarbon-containing stream

#75
20160039855
2016-02-11

METHOD OF RECOVERING OLEAGINEOUS COMPOUNDS FROM HYDROTHERMALLY TREATED BIOMASS

#76
20160024399
2016-01-28

Process for removing sulphur compounds from hydrocarbons

#77
20160010004
2016-01-14

Method of upgrading heavy crude oil

#78
20160002543
2016-01-07

Method for producing non-carcinogenic aromatic process oil

#79
20150353847
2015-12-10

Integrated methods for separation and extraction of polynuclear aromatic hydrocarbons, heterocyclic compounds, and organometallic compounds from hydrocarbon feedstocks

#80
20150315485
2015-11-05

Method and system for removing hydrogen sulfide from sour oil and sour water

#81
20150267126
2015-09-24

Removing unstable sulfur compounds from crude oil

#82
20150232738
2015-08-20

Low interfacial tension surfactants for petroleum applications

#83
20150225654
2015-08-13

Fluid compositions and methods for using cross-linked phenolic resins

#84
20150210941
2015-07-30

Process for deeply desulfurizing catalytic cracking gasoline

#85
20150191660
2015-07-09

METHOD AND SYSTEM FOR SEPARATING CATALYST FINES FROM AN OIL STREAM

#86
20150184084
2015-07-02

Solvent extraction process to stabilize, desulphurize and dry wide range diesels, stabilized wide range diesels obtained and their uses

#87
20150136660
2015-05-21

PROCESS FOR REMOVING A CONTAMINANT FROM COAL TAR

#88
20150090639
2015-04-02

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#89
20140353213
2014-12-04

Hydroprocessing catalyst composition containing a heterocyclic polar compound, a method of making such a catalyst, and a process of using such catalyst

#90
20140346089
2014-11-27

Low interfacial tension surfactants for petroleum applications

#91
20140336346
2014-11-13

Purification of a hydrocarbon stream

#92
20140305845
2014-10-16

Metal carboxylate salts as H2S scavengers in mixed production or dry gas or wet gas systems

#93
20140263050
2014-09-18

Polyol-induced extraction of water from organic liquids

#94
20140251869
2014-09-11

Method for producing base lubricating oil from oils recovered from combustion engine service

#95
20140238902
2014-08-28

Method and system for removing hydrogen sulfide from sour oil and sour water

#96
20140231311
2014-08-21

Low viscosity metal-based hydrogen sulfide scavengers

#97
20140190870
2014-07-10

Synergistic H2S scavenger combination of transition metal salts with water-soluble aldehydes and aldehyde precursors

#98
20140183102
2014-07-03

Additive and method for removal of calcium from crude oils containing calcium naphthenate

#99
20140183101
2014-07-03

Carbon dioxide fractionalization process

#100
20140148625
2014-05-29

Processes utilizing solvent extraction

#101
20140138283
2014-05-22

Removal of solubilized metals from Fischer-Tropsch products

#102
20140091010
2014-04-03

PROCESS AND APPARATUS FOR REMOVING HYDROGEN SULFIDE

#103
20140091008
2014-04-03

Process for removing naphthenic acids from crude oil and crude oil distillates

#104
20140076777
2014-03-20

Upgrading properties of asphalts with wax

#105
20140042055
2014-02-13

Asphalt production from oil sand bitumen

#106
20140034321
2014-02-06

Carbon dioxide fractionalization process

#107
20130313159
2013-11-28

PROCESS FOR IMPROVING AROMATICITY OF HEAVY AROMATIC HYDROCARBONS

#108
20130306557
2013-11-21

Process for upgrading biomass derived products using liquid-liquid extraction

#109
20130306523
2013-11-21

Method for dewaxing mineral oil compositions

#110
20130233671
2013-09-12

Extraction of hydrocarbons from hydrocarbon-containing materials

#111
20130225838
2013-08-29

Regeneration of selective solvents for extractive processes

#112
20130193374
2013-08-01

Composition comprising combination of esters of carboxylic acids for removing metals from hydrocarbon feedstock

#113
20130062254
2013-03-14

Selective single-stage hydroprocessing system and method

#114
20130056392
2013-03-07

Selective two-stage hydroprocessing system and method

#115
20130048542
2013-02-28

DESULFURIZATION OF HYDROCARBONS BY SOLVENT EXTRACTION

#116
20130020233
2013-01-24

Processes for catalytically reforming naphtha

#117
20120318716
2012-12-20

Solvent extraction process to stabilize, desulphurize and dry wide range diesels, stabilized wide range diesels obtained and their uses

#118
20120316370
2012-12-13

Methods for producing fuels and solvents substantially free of fatty acids

#119
20120298559
2012-11-29

Method for hydrocarbon removal and recovery from drill cuttings

#120
20120279902
2012-11-08

CARBONACEOUS MATERIAL UPGRADING USING SUPERCRITICAL FLUIDS

#121
20120264671
2012-10-18

METHODS AND COMPOSITIONS FOR REMOVING RESIDUES AND SUBSTANCES FROM SUBSTRATES USING ENVIRONMENTALLY FRIENDLY SOLVENTS

#122
20120181220
2012-07-19

Feed mixtures for extraction process to produce rubber processing oil

#123
20120152807
2012-06-21

Process for reducing acidity of hydrocarbon feeds

#124
20120152804
2012-06-21

Integrated desulfurization and denitrification process including mild hydrotreating of aromatic-lean fraction and oxidation of aromatic-rich fraction

#125
20120145599
2012-06-14

Integrated desulfurization and denitrification process including mild hydrotreating and oxidation of aromatic-rich hydrotreated products

#126
20120138449
2012-06-07

METHOD OF REMOVING SULFUR FROM CRUDE OIL AND DIESEL USING IONIZING RADIATION

#127
20120130142
2012-05-24

AUTOMATICALLY MEASURING COLOR CHANGES IN A STREAM

#128
20120067785
2012-03-22

Process, method, and system for removing heavy metals from fluids

#129
20120067784
2012-03-22

Process, method, and system for removing heavy metals from fluids

#130
20120055845
2012-03-08

Desulfurization and sulfone removal using a coker

#131
20120055844
2012-03-08

Process for oxidative desulfurization and denitrogenation using a fluid catalytic cracking (FCC) unit

#132
20120055843
2012-03-08

Process for oxidative desulfurization and sulfone disposal using solvent deasphalting

#133
20120000829
2012-01-05

PROCESS FOR THE PREPARATION OF GROUP II AND GROUP III LUBE BASE OILS

#134
20110309001
2011-12-22

Low interfacial tension surfactants for petroleum applications

#135
20110308305
2011-12-22

Methods and compositions for removing residues and substances from substrates using environmentally friendly solvents

#136
20110282092
2011-11-17

Lowering nitrogen-containing Lewis bases in molecular sieve oligomerisation

#137
20110278151
2011-11-17

Method for producing base lubricating oil from waste oil

#138
20110192767
2011-08-11

Synergistic acid blend extraction aid and method for its use

#139
20110132806
2011-06-09

Removal of nitrogen compounds from FCC distillate

#140
20100300939
2010-12-02

Process for Removing a Contaminant from an Aromatic Selective Solvent

#141
20100288028
2010-11-18

Methods and compositions for removing residues and substances from substrates using environmentally friendly solvents

#142
20100270211
2010-10-28

DESULFURIZATION AND DENITROGENATION WITH IONIC LIQUIDS AND METAL ION SYSTEMS

#143
20100258401
2010-10-14

Carbon dioxide fractionalization process

#144
20100243533
2010-09-30

EXTRACTION OF AROMATICS FROM HYDROCARBON OIL USING N-METHYL 2-PYRROLIDONE AND CO-SOLVENT

#145
20100173806
2010-07-08

Extraction of hydrocarbons from hydrocarbon-containing materials

#146
20100167910
2010-07-01

Heavy oil upgrade process including recovery of spent catalyst

#147
20100163457
2010-07-01

Method of removal of calcium from hydrocarbon feedstock

#148
20100140142
2010-06-10

Removing unstable sulfur compounds from crude oil

#149
20100051509
2010-03-04

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#150
20090288992
2009-11-26

Desulfurization of hydrocarbons by ionic liquids and preparation of ionic liquids

#151
20090283449
2009-11-19

Method of removing metals from hydrocarbon feedstock using esters of carboxylic acids

#152
20090223862
2009-09-10

METHOD FOR PRODUCING BASE LUBRICATING OIL FROM WASTE OIL

#153
20090217571
2009-09-03

METHOD FOR BIO-OXIDATIVE DESULFURIZATION OF LIQUID HYDROCARBON FUELS AND PRODUCT THEREOF

#154
20090211946
2009-08-27

Synergistic acid blend extraction aid and method for its use

#155
20090120170
2009-05-14

Methods and Compositions for Removing Residues and Substances from Substrates Using Environmentally Friendly Solvents

#156
20090107890
2009-04-30

Desulfurization of whole crude oil by solvent extraction and hydrotreating

#157
20090078612
2009-03-26

Extraction of hydrocarbons from hydrocarbon-containing materials

#158
20080167511
2008-07-10

Carbon dioxide fractionalization process

#159
20070241030
2007-10-18

Process for the Purification of Spent Process Oil

#160
20070227951
2007-10-04

Novel Process for Removing Sulfur from Fuels

#161
20070221538
2007-09-27

Method and apparatus for converting and removing organosulfur and other oxidizable compounds from distillate fuels, and compositions obtained thereby

#162
20070175800
2007-08-02

Method for recombining catalytic hydrocarbons

#163
20070095753
2007-05-03

Methods and compositions for removing residues and substances from substrates using environmentally friendly solvents

#164
20070051667
2007-03-08

Diesel oil desulfurization by oxidation and extraction

#165
20060211907
2006-09-21

Extraction of oxygenates from a hydrocarbon stream

#166
20060006103
2006-01-12

Production of extra-heavy lube oils from Fischer-Tropsch wax

#167
20050167337
2005-08-04

Process for enhancing the value of hydrocarbonaceous natural resources

#168
20050109676
2005-05-26

Method for removing contaminants from thermally cracked waste oils

#169
20050067324
2005-03-31

Method for removing calcium from crude oil

#170
13352328
2017-03-28

Method and system for extracting catalyst fines from slurry oil cat fine bottoms