ClassID:

105424

C10G21/20 - 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 Nitrogen-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
20240218267
2024-07-04

AROMATICS EXTRACTION THROUGH INTEGRATION OF COMPLEMENTARY CO-SOLVENTS

#4
20240217823
2024-07-04

HIGH PERFORMANCE (MESOPHASE) CARBON FIBER FEEDSTOCK PRODUCTION

#5
20240093099
2024-03-21

PROCESS OF UPGRADING A PYROLYSIS OIL AND UPGRADING SOLUTION USED THEREIN

#6
20240076558
2024-03-07

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

#7
20230340339
2023-10-26

Amelioration of solids formation in spent hydrogen sulfide scavengers

#8
20230287277
2023-09-14

Method of Desulfurizing an Oil Composition

#9
20230151283
2023-05-18

HYDROCARBON PYROLYSIS OF FEEDS CONTAINING NITROGEN

#10
20220395802
2022-12-15

Flow Reactor and Desulpurization Process

#11
20220259506
2022-08-18

Composition Process And Apparatus To Remove Sulfur From Refined Crude Oil Fraction

#12
20220195315
2022-06-23

Process of upgrading a pyrolysis oil and upgrading solution used therein

#13
20220186126
2022-06-16

Solvent deasphalting dearomatization process for heavy oil upgradation

#14
20220177785
2022-06-09

TREATING AND STEAM CRACKING A COMBINATION OF PLASTIC-DERIVED OIL AND USED LUBRICATING OILS TO PRODUCE HIGH-VALUE CHEMICALS

#15
20220073827
2022-03-10

OIL DESULFURIZATION METHOD AND SYSTEM

#16
20220033715
2022-02-03

Process for removing metals in petroleum oil using an organophosphorus compound and microwaves

#17
20210332301
2021-10-28

A METHOD FOR THE PRODUCTION OF DIESEL

#18
20210171841
2021-06-10

Selective reforming process to produce gasoline blending components and aromatics

#19
20210139792
2021-05-13

Deterring aggregation of asphaltenes by resins

#20
20210009905
2021-01-14

Methods and compounds for removing non-acidic contaminants from hydrocarbon streams

#21
20200231881
2020-07-23

Methods and compounds for removing non-acidic contaminants from hydrocarbon streams

#22
20200109335
2020-04-09

Chemical process for sulfur reduction of hydrocarbons

#23
20200080009
2020-03-12

Method of pretreating and converting hydrocarbons

#24
20200031759
2020-01-30

Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications

#25
20200024387
2020-01-23

Polymers containing aromatic dicarboxylic acid

#26
20190322948
2019-10-24

METHODS AND COMPOSITIONS FOR SCAVENGING SULFIDES AND CARBON DIOXIDE FROM PETROLEUM AND NATURAL GAS

#27
20190300795
2019-10-03

Treatment Process for Polluted Oil Sludge

#28
20190299151
2019-10-03

Process for the removal of carbon dioxide and heavy hydrocarbons

#29
20190233738
2019-08-01

PROCEDURE FOR THE REMOVAL OF FLUORIDATED POLLUTANTS FROM HYDROCARBON EFFLUENTS

#30
20190194523
2019-06-27

Synergized hemiacetals composition and method for scavenging sulfides and mercaptans

#31
20190002768
2019-01-03

Nitrogen based hydrogen sulfide scavengers and method of use thereof

#32
20180362868
2018-12-20

METHOD FOR REDUCING CORROSIVE IONS IN AROMATIC COMPOUND EXTRACTION SOLVENT

#33
20180362863
2018-12-20

Process scheme for the production of optimal quality distillate for olefin production

#34
20180355256
2018-12-13

PRODUCTION OF HYDROCARBON FUELS FROM PLASTICS

#35
20180339243
2018-11-29

Composition and a process for reducing aromatics from a hydrocarbon feedstock

#36
20180187104
2018-07-05

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

#37
20180187100
2018-07-05

Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by ionic liquids and solid adsorbents

#38
20180093941
2018-04-05

Preparation of new stable hydrogen sulfide scavengers useful in both water as well as oil medium applications

#39
20180002619
2018-01-04

Compounds and methods for inhibiting corrosion in hydrocarbon processing units

#40
20170341508
2017-11-30

Adjusting a fuel on-board a vehicle

#41
20170335204
2017-11-23

HEAVY AMINES AS HYDROGEN SULFIDE AND MERCAPTAN SCAVENGERS

#42
20170298281
2017-10-19

Chemical process for sulfur reduction of hydrocarbons

#43
20170283734
2017-10-05

Method for Producing Base Lubricating Oil from Waste Oil

#44
20170275538
2017-09-28

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

#45
20170259187
2017-09-14

Extraction Column and Process for Use Thereof

#46
20170204339
2017-07-20

COMPOUNDS AND METHODS FOR INHIBITING CORROSION IN HYDROCARBON PROCESSING UNITS

#47
20170158973
2017-06-08

Oxidative desulfurization of oil fractions and sulfone management using an FCC

#48
20170158972
2017-06-08

Desulfurization and sulfone removal using a coker

#49
20170158583
2017-06-08

Column with separative installations for separating a mixture of hydrocarbons and/or hydrocarbon derivatives by means of an extractive distillation using a selective solvent

#50
20170152449
2017-06-01

Method and apparatus for recovering synthetic oils from composite oil streams

#51
20170130144
2017-05-11

Oxidative desulfurization of oil fractions and sulfone management using an FCC

#52
20170130143
2017-05-11

Method and apparatus for recovering synthetic oils from composite oil streams

#53
20170101587
2017-04-13

Processes and compositions for scavenging hydrogen sulfide

#54
20170044444
2017-02-16

PROCESS FOR SCAVENGING HYDROGEN SULFIDE PRESENT IN A FLUID STREAM

#55
20170037323
2017-02-09

Process for removing metals from hydrocarbons

#56
20170021305
2017-01-26

Aqueous absorbent composition for enhanced removal of hydrogen sulfide from gaseous mixtures and method for using the same

#57
20160369175
2016-12-22

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

#58
20160288014
2016-10-06

Process for simultaneous production of benzene lean gasoline and high purity benzene from cracked gasoline fraction

#59
20160122686
2016-05-05

DEVICE AND METHOD FOR SOLUBILIZING, SEPARATING, REMOVING AND REACTING CARBOXYLIC ACIDS IN OILS, FATS, AQUEOUS OR ORGANIC SOLUTIONS BY MEANS OF MICRO-OR NANOEMULSIFICATION

#60
20160075952
2016-03-17

METHOD FOR SEPARATING AROMATIC COMPOUNDS CONTAINED IN NAPHTHA

#61
20160024399
2016-01-28

Process for removing sulphur compounds from hydrocarbons

#62
20160002543
2016-01-07

Method for producing non-carcinogenic aromatic process oil

#63
20150375139
2015-12-31

An Extraction Column and Process for Use Thereof

#64
20150353847
2015-12-10

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

#65
20150299582
2015-10-22

System and method for removing hydrogen sulfide from oilfield effluents

#66
20150267126
2015-09-24

Removing unstable sulfur compounds from crude oil

#67
20150210941
2015-07-30

Process for deeply desulfurizing catalytic cracking gasoline

#68
20150203764
2015-07-23

Use of emulsion polymers to flocculate solids in organic liquids

#69
20150184084
2015-07-02

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

#70
20150141731
2015-05-21

Process for the treatment of liquefied hydrocarbon gas using 3-(amino) propane-1,2-diol compounds

#71
20150126793
2015-05-07

Process for the treatment of liquefied hydrocarbons using 3-(piperazine-1-YL)propane-1,2-diol compounds

#72
20150114884
2015-04-30

Compounds and methods for inhibiting corrosion in hydrocarbon processing units

#73
20150112113
2015-04-23

Process for the treatment of liquefied hydrocarbon gas using 2-amino-2(hydroxymethyl) propane-1,3-diol compounds

#74
20150090639
2015-04-02

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#75
20150075065
2015-03-19

METHOD FOR PROCESSING ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONTAINING CHECICAL OR CHEMICALS AND/OR MIXTURE CONTAINING OXYGEN-CONTAINING OXIDIZER OR OXIDIZERS AND ORGANIC CARBONYL ANALOGUE OR ANALOGUES, AND/OR METHOD FOR EXTRACTING OR DEPOSITING HEAVY ELEMENT SPECIES AND/OR ORGANIC COMPONENTS OF ASPHALTENE AND/OR INORGANIC SUBSTANCE FROM THE ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONTAINING CHEMICAL OR CHEMICALS AND/OR MIXTURE CONTAINING OXYGEN-CONTAINING OXIDIZER OR OXIDIZERS AND ORGANIC CARBONYL ANALOGUE OR ANALOGUES, AND PLANT USING FOR THE METHOD, AND ORGANIC PHASE SUBSTANCE

#76
20150068951
2015-03-12

Process for manufacturing of rubber process oils with extremely low carcinogenic polycyclic aromatics compounds

#77
20150057474
2015-02-26

Process for producing biofuel and biofuel components

#78
20150052807
2015-02-26

Process for purification of biological feed material

#79
20150001135
2015-01-01

Process for desulfurization of naphtha using ionic liquids

#80
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

#81
20140346089
2014-11-27

Low interfacial tension surfactants for petroleum applications

#82
20140336346
2014-11-13

Purification of a hydrocarbon stream

#83
20140316178
2014-10-23

Process stream upgrading

#84
20140311948
2014-10-23

Mercury removal with amine sorbents

#85
20140251869
2014-09-11

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

#86
20140231271
2014-08-21

Process for metal reduction of hydrocarbon oil

#87
20140171721
2014-06-19

Processes and compositions for scavenging hydrogen sulfide

#88
20140091010
2014-04-03

PROCESS AND APPARATUS FOR REMOVING HYDROGEN SULFIDE

#89
20140076777
2014-03-20

Upgrading properties of asphalts with wax

#90
20140042059
2014-02-13

Process for production of benzene lean gasoline by recovery of high purity benzene from unprocessed cracked gasoline fraction containing organic peroxides

#91
20140042055
2014-02-13

Asphalt production from oil sand bitumen

#92
20140001100
2014-01-02

Process for removing metals from hydrocarbons

#93
20130299391
2013-11-14

Compounds and methods for inhibiting corrosion in hydrocarbon processing units

#94
20130048542
2013-02-28

DESULFURIZATION OF HYDROCARBONS BY SOLVENT EXTRACTION

#95
20130020233
2013-01-24

Processes for catalytically reforming naphtha

#96
20120318716
2012-12-20

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

#97
20120181220
2012-07-19

Feed mixtures for extraction process to produce rubber processing oil

#98
20120152804
2012-06-21

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

#99
20120145599
2012-06-14

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

#100
20120130142
2012-05-24

AUTOMATICALLY MEASURING COLOR CHANGES IN A STREAM

#101
20120055845
2012-03-08

Desulfurization and sulfone removal using a coker

#102
20110309001
2011-12-22

Low interfacial tension surfactants for petroleum applications

#103
20110282092
2011-11-17

Lowering nitrogen-containing Lewis bases in molecular sieve oligomerisation

#104
20110278151
2011-11-17

Method for producing base lubricating oil from waste oil

#105
20110232489
2011-09-29

Method to decrease decomposition products in solutions that absorb acidic gases such as carbon dioxide and the like in the presence of oxygen

#106
20110155638
2011-06-30

Process for removing sulfur from vacuum gas oil

#107
20110155635
2011-06-30

Process for removing metals from resid

#108
20110146282
2011-06-23

SYSTEM AND METHOD FOR REDUCING SULFUR COMPOUNDS WITHIN FUEL STREAM FOR TURBOMACHINE

#109
20110068048
2011-03-24

Mercury removal with amine sorbents

#110
20110014100
2011-01-20

Carbon Sequestration Using Ionic Liquids

#111
20100300939
2010-12-02

Process for Removing a Contaminant from an Aromatic Selective Solvent

#112
20100270211
2010-10-28

DESULFURIZATION AND DENITROGENATION WITH IONIC LIQUIDS AND METAL ION SYSTEMS

#113
20100243533
2010-09-30

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

#114
20100167910
2010-07-01

Heavy oil upgrade process including recovery of spent catalyst

#115
20100140142
2010-06-10

Removing unstable sulfur compounds from crude oil

#116
20100051509
2010-03-04

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#117
20090291874
2009-11-26

IONIC LIQUIDS AND METHODS FOR USING THE SAME

#118
20090288992
2009-11-26

Desulfurization of hydrocarbons by ionic liquids and preparation of ionic liquids

#119
20090223862
2009-09-10

METHOD FOR PRODUCING BASE LUBRICATING OIL FROM WASTE OIL

#120
20090120841
2009-05-14

Methods of denitrogenating diesel fuel

#121
20090107890
2009-04-30

Desulfurization of whole crude oil by solvent extraction and hydrotreating

#122
20070241030
2007-10-18

Process for the Purification of Spent Process Oil

#123
20070227951
2007-10-04

Novel Process for Removing Sulfur from Fuels

#124
20070151901
2007-07-05

Process for desulphurisation of liquid hydrocarbon fuels

#125
20070051667
2007-03-08

Diesel oil desulfurization by oxidation and extraction

#126
20050167337
2005-08-04

Process for enhancing the value of hydrocarbonaceous natural resources

#127
16850356
2020-07-28

Protic asphaltene ionic liquids as asphaltene stabilizer

#128
16653467
2020-10-27

Protic asphaltene ionic liquids as asphaltene stabilizer