ClassID:

105425

C10G21/22 - 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 Compounds containing sulfur, selenium, or tellurium

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

PROCESS OF UPGRADING A PYROLYSIS OIL AND UPGRADING SOLUTION USED THEREIN

#2
20260028534
2026-01-29

METHOD OF REMOVING HEAVY METALS FROM HYDROCARBON LIQUIDS BY REACTION AND EXTRACTION

#3
20240218267
2024-07-04

AROMATICS EXTRACTION THROUGH INTEGRATION OF COMPLEMENTARY CO-SOLVENTS

#4
20240093099
2024-03-21

PROCESS OF UPGRADING A PYROLYSIS OIL AND UPGRADING SOLUTION USED THEREIN

#5
20220195315
2022-06-23

Process of upgrading a pyrolysis oil and upgrading solution used therein

#6
20220177785
2022-06-09

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

#7
20210214620
2021-07-15

Additives for supercritical water process to upgrade heavy oil

#8
20210171841
2021-06-10

Selective reforming process to produce gasoline blending components and aromatics

#9
20200354638
2020-11-12

SOLVENT FOR USE IN AROMATIC EXTRACTION PROCESS

#10
20200181506
2020-06-11

Solvent for use in aromatic extraction process

#11
20190264110
2019-08-29

Additives for supercritical water process to upgrade heavy oil

#12
20180362863
2018-12-20

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

#13
20170037323
2017-02-09

Process for removing metals from hydrocarbons

#14
20160002543
2016-01-07

Method for producing non-carcinogenic aromatic process oil

#15
20150210941
2015-07-30

Process for deeply desulfurizing catalytic cracking gasoline

#16
20150184084
2015-07-02

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

#17
20150021094
2015-01-22

Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations

#18
20140202923
2014-07-24

METHODS AND COMPOSITIONS FOR REMOVING PHOSPHOROUS-CONTAINING SOLIDS FROM HYDROCARBON STREAMS

#19
20140066683
2014-03-06

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

#20
20140001100
2014-01-02

Process for removing metals from hydrocarbons

#21
20130020233
2013-01-24

Processes for catalytically reforming naphtha

#22
20120318716
2012-12-20

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

#23
20120181220
2012-07-19

Feed mixtures for extraction process to produce rubber processing oil

#24
20120055845
2012-03-08

Desulfurization and sulfone removal using a coker

#25
20120055844
2012-03-08

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

#26
20120055843
2012-03-08

Process for oxidative desulfurization and sulfone disposal using solvent deasphalting

#27
20110192767
2011-08-11

Synergistic acid blend extraction aid and method for its use

#28
20100300939
2010-12-02

Process for Removing a Contaminant from an Aromatic Selective Solvent

#29
20100270211
2010-10-28

DESULFURIZATION AND DENITROGENATION WITH IONIC LIQUIDS AND METAL ION SYSTEMS

#30
20100167910
2010-07-01

Heavy oil upgrade process including recovery of spent catalyst

#31
20100071904
2010-03-25

Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations

#32
20100071903
2010-03-25

Mines and tunnels for use in treating subsurface hydrocarbon containing formations

#33
20090288992
2009-11-26

Desulfurization of hydrocarbons by ionic liquids and preparation of ionic liquids

#34
20090272578
2009-11-05

Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations

#35
20090272536
2009-11-05

Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations

#36
20090272535
2009-11-05

Using tunnels for treating subsurface hydrocarbon containing formations

#37
20090272533
2009-11-05

Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations

#38
20090272526
2009-11-05

Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations

#39
20090260824
2009-10-22

HYDROCARBON PRODUCTION FROM MINES AND TUNNELS USED IN TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS

#40
20090260823
2009-10-22

MINES AND TUNNELS FOR USE IN TREATING SUBSURFACE HYDROCARBON CONTAINING FORMATIONS

#41
20090211946
2009-08-27

Synergistic acid blend extraction aid and method for its use

#42
20090120841
2009-05-14

Methods of denitrogenating diesel fuel