C10G21/27 - CPC Classification Index

ClassID:

105428 ⎘

C10G21/27 - 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 Organic compounds not provided for in a single one of groups -

Recent Application in this class:

20260103641

2026-04-16

METHOD FOR STEPWISE EXTRACTION OF PHENOL AND PYRIDINE COMPOUNDS IN NAPHTHALENE OIL BY DEEP EUTECTIC SOLVENTS

20220356406

2022-11-10

PROCESS FOR REMOVING CONTAMINANTS FROM CRUDE OIL

20220081625

2022-03-17

Optimization of a Method for Isolation of Paraffinic Hydrocarbons

20220025275

2022-01-27

Composition and Method for Isolation of Paraffinic Hydrocarbons

20200080009

2020-03-12

Method of pretreating and converting hydrocarbons

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

20190119581

2019-04-25

Composition and method for isolation of paraffinic hydrocarbons

20180371334

2018-12-27

Use of compositions having a content of 3,3′-methylenebis(5-methyloxazolidine) in the removal of sulphur compounds from process streams

20170341508

2017-11-30

Adjusting a fuel on-board a vehicle

#10

20170282708

2017-10-05

Adjusting a fuel on-board a vehicle

#11

20170190987

2017-07-06

Optimization of a method for isolation of paraffinic hydrocarbons

#12

20170190986

2017-07-06

Optimization of a method for isolation of paraffinic hydrocarbons

#13

20170190985

2017-07-06

Composition and method for isolation of paraffinic hydrocarbons

#14

20170101587

2017-04-13

Processes and compositions for scavenging hydrogen sulfide

#15

20160222303

2016-08-04

Method for upgrading fluid catalytic cracking gasoline

#16

20160075954

2016-03-17

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

#17

20160053600

2016-02-25

Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials

#18

20150361351

2015-12-17

IONIC LIQUID TREATMENT OF VACUUM SLOP CUT TO INCREASE HYDROCRACKING FEED

#19

20150184084

2015-07-02

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

#20

20150090639

2015-04-02

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#21

20140371509

2014-12-18

Process for treating a liquid hydrocarbon stream

#22

20140371495

2014-12-18

Corrosion inhibition

#23

20140336346

2014-11-13

Purification of a hydrocarbon stream

#24

20140262297

2014-09-18

Foamers for liquid removal

#25

20140209311

2014-07-31

Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials

#26

20140209303

2014-07-31

Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials

#27

20140171721

2014-06-19

Processes and compositions for scavenging hydrogen sulfide

#28

20140091008

2014-04-03

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

#29

20140005451

2014-01-02

Decontamination of deoxygenated biomass-derived pyrolysis oil using ionic liquids

#30

20130331624

2013-12-12

Recovery of hydrocarbons from hydrocarbon-containing materials

#31

20130248423

2013-09-26

Process for removing nitrogen from fuel streams with caprolactamium ionic liquids

#32

20130225838

2013-08-29

Regeneration of selective solvents for extractive processes

#33

20130048542

2013-02-28

DESULFURIZATION OF HYDROCARBONS BY SOLVENT EXTRACTION

#34

20120318716

2012-12-20

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

#35

20120181220

2012-07-19

Feed mixtures for extraction process to produce rubber processing oil

#36

20120152804

2012-06-21

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

#37

20120145599

2012-06-14

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

#38

20120138449

2012-06-07

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

#39

20120132564

2012-05-31

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

#40

20120130142

2012-05-24

AUTOMATICALLY MEASURING COLOR CHANGES IN A STREAM

#41

20120121485

2012-05-17

Process for removing metals from hydrocarbons

#42

20120000829

2012-01-05

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

#43

20110282092

2011-11-17

Lowering nitrogen-containing Lewis bases in molecular sieve oligomerisation

#44

20110192767

2011-08-11

Synergistic acid blend extraction aid and method for its use

#45

20110155645

2011-06-30

Process for removing metals from crude oil

#46

20110155638

2011-06-30

Process for removing sulfur from vacuum gas oil

#47

20110073526

2011-03-31

Method for Desulfurization of Hydrocarbon Oils

#48

20100176025

2010-07-15

Process for upgrading of liquid hydrocarbon fuels

#49

20100051509

2010-03-04

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#50

20090250381

2009-10-08

Extraction of hydrocarbons from hydrocarbon-containing materials and/or processing of hydrocarbon-containing materials

#51

20090211946

2009-08-27

Synergistic acid blend extraction aid and method for its use

#52

20090200208

2009-08-13

METHOD OF PRODUCING MINERAL OILS BASED ON HYDROCARBON DISTILLATES

#53

20090107890

2009-04-30

Desulfurization of whole crude oil by solvent extraction and hydrotreating

#54

20090065399

2009-03-12

Removal of sulfur-containing compounds from liquid hydrocarbon streams

#55

20080264830

2008-10-30

Method for removing calcium from crude oil

#56

20070241030

2007-10-18

Process for the Purification of Spent Process Oil

#57

20070227951

2007-10-04

Novel Process for Removing Sulfur from Fuels

#58

20070125685

2007-06-07

Method for removing calcium from crude oil

#59

20060287564

2006-12-21

Process for increasing production of benzene from hydrocarbon mixture

#60

20060070919

2006-04-06

Process for separating oxygen-containing compounds contained in a hydrocarbon feed, employing an ionic liquid