Patents-Review.com
ClassID:

105423 ⎘

C10G21/18 - 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 Halogen-containing compounds

Recent Application in this class:
#1
20260103641
2026-04-16

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

 #2
20230287277
2023-09-14

Method of Desulfurizing an Oil Composition

 #3
20170283734
2017-10-05

Method for Producing Base Lubricating Oil from Waste Oil

 #4
20170275538
2017-09-28

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

 #5
20170152449
2017-06-01

Method and apparatus for recovering synthetic oils from composite oil streams

 #6
20170130143
2017-05-11

Method and apparatus for recovering synthetic oils from composite oil streams

 #7
20140251869
2014-09-11

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

 #8
20140042055
2014-02-13

Asphalt production from oil sand bitumen

 #9
20140001092
2014-01-02

Hydrocarbon conversion process to remove metals

 #10
20140001091
2014-01-02

Hydrocarbon conversion process

 #11
20130158279
2013-06-20

Process for removing metals from tallow oil

 #12
20130153470
2013-06-20

Extraction of polycyclic aromatic compounds from petroleum feedstocks using ionic liquids

 #13
20130026073
2013-01-31

Denitrogenation of hydrocarbons by liquid-liquid extraction using ionic liquids

 #14
20120067786
2012-03-22

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

 #15
20120067785
2012-03-22

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

 #16
20110278151
2011-11-17

Method for producing base lubricating oil from waste oil

 #17
20100270211
2010-10-28

DESULFURIZATION AND DENITROGENATION WITH IONIC LIQUIDS AND METAL ION SYSTEMS

 #18
20090288992
2009-11-26

Desulfurization of hydrocarbons by ionic liquids and preparation of ionic liquids

 #19
20090223862
2009-09-10

METHOD FOR PRODUCING BASE LUBRICATING OIL FROM WASTE OIL