ClassID:

105426

C10G21/24 - 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 Phosphorus-containing compounds

Recent Application in this class:
#1
20210253957
2021-08-19

PROCESS FOR REMOVING METALS, SULFUR AND OTHER IMPURITIES IN CRUDE OIL

#2
20180187100
2018-07-05

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

#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
20170037323
2017-02-09

Process for removing metals from hydrocarbons

#8
20150001135
2015-01-01

Process for desulfurization of naphtha using ionic liquids

#9
20140262297
2014-09-18

Foamers for liquid removal

#10
20140251869
2014-09-11

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

#11
20140001100
2014-01-02

Process for removing metals from hydrocarbons

#12
20140001094
2014-01-02

Hydrocarbon conversion process to remove carbon residue contaminants

#13
20140001093
2014-01-02

Hydrocarbon conversion process

#14
20130153470
2013-06-20

Extraction of polycyclic aromatic compounds from petroleum feedstocks using ionic liquids

#15
20120067784
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
20110155647
2011-06-30

Process for de-acidifying hydrocarbons

#18
20110155638
2011-06-30

Process for removing sulfur from vacuum gas oil

#19
20110155637
2011-06-30

Process for removing nitrogen from vacuum gas oil

#20
20110155635
2011-06-30

Process for removing metals from resid

#21
20100270211
2010-10-28

DESULFURIZATION AND DENITROGENATION WITH IONIC LIQUIDS AND METAL ION SYSTEMS

#22
20100167910
2010-07-01

Heavy oil upgrade process including recovery of spent catalyst

#23
20090223862
2009-09-10

METHOD FOR PRODUCING BASE LUBRICATING OIL FROM WASTE OIL