ClassID:

105420

C10G21/12 - 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

Sub-classes:
Recent Application in this class:
#1
20250170519
2025-05-29

METHOD AND APPARATUS FOR RECOVERING ABSORBING AGENTS IN ACID GAS TREATMENT

#2
20240076558
2024-03-07

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

#3
20230340338
2023-10-26

COMPOSITIONS AND METHODS FOR REMOVING SULFUR COMPOUNDS FROM PROCESS STREAMS

#4
20230106908
2023-04-06

Method and apparatus for recovering absorbing agents in acid gas treatment

#5
20200376427
2020-12-03

Method and apparatus for recovering absorbing agents in acid gas treatment

#6
20190016973
2019-01-17

Production of High Quality Base Oils

#7
20180273856
2018-09-27

Process for the treatment of refinery purge streams

#8
20180094198
2018-04-05

Process for separating particles containing alkali metal salts from liquid hydrocarbons

#9
20180029958
2018-02-01

Paraffin removal from C4 containing streams

#10
20180015409
2018-01-18

Method and apparatus for recovering absorbing agents in acid gas treatment

#11
20170130141
2017-05-11

Process for oxidative desulfurization and sulfone management by gasification

#12
20170114290
2017-04-27

Integrated hydrotreating and isomerization system with aromatic separation

#13
20150267126
2015-09-24

Removing unstable sulfur compounds from crude oil

#14
20150184084
2015-07-02

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

#15
20150141701
2015-05-21

Process for removing a product from coal tar

#16
20150090639
2015-04-02

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#17
20150008158
2015-01-08

Integrated hydrotreating and isomerization process with aromatic separation

#18
20140319025
2014-10-30

Extraction of sulphur-containing compounds in a first pretreatment reactor operating in batch mode followed by a second pretreatment reactor of the piston type

#19
20140144621
2014-05-29

Non-aqueous hydrocarbon recovery

#20
20130157920
2013-06-20

CLEANING, PURIFYING, TREATING, AND EXTRACTING COMPOSITIONS AND ASSOCIATED METHODS FOR UTILIZING THE SAME

#21
20130146088
2013-06-13

Method for washing reactor

#22
20130062256
2013-03-14

Integrated hydrotreating and isomerization process with aromatic separation

#23
20120318716
2012-12-20

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

#24
20120138449
2012-06-07

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

#25
20120055849
2012-03-08

Process for oxidative desulfurization and sulfone management by gasification

#26
20120055844
2012-03-08

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

#27
20120055843
2012-03-08

Process for oxidative desulfurization and sulfone disposal using solvent deasphalting

#28
20110155635
2011-06-30

Process for removing metals from resid

#29
20110000823
2011-01-06

MEMBRANE DESULFURIZATION OF LIQUID HYDROCARBONS USING AN EXTRACTIVE LIQUID MEMBRANE CONTACTOR SYSTEM AND METHOD

#30
20100176025
2010-07-15

Process for upgrading of liquid hydrocarbon fuels

#31
20100140142
2010-06-10

Removing unstable sulfur compounds from crude oil

#32
20100051509
2010-03-04

Halogen-free ionic liquids in naphtha desulfurization and their recovery

#33
20090288992
2009-11-26

Desulfurization of hydrocarbons by ionic liquids and preparation of ionic liquids

#34
20080264830
2008-10-30

Method for removing calcium from crude oil

#35
20070170097
2007-07-26

Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds

#36
20070125685
2007-06-07

Method for removing calcium from crude oil