ClassID:

105430

C10G21/30 - CPC Classification

Classification description:

Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents Controlling or regulating

Recent Application in this class:
#1
20250153071
2025-05-15

LIQUID-LIQUID EXTRACTION TECHNIQUES

#2
20250066222
2025-02-27

Method and System for Removing Hydrogen Sulfide From Sour Oil and Sour Water

#3
20240010523
2024-01-11

Method and system for removing hydrogen sulfide from sour oil and sour water

#4
20230138459
2023-05-04

Systems and process for controlling a sulfur extraction from a hydrocarbon stream

#5
20230085114
2023-03-16

Liquid-liquid extraction techniques

#6
20230002249
2023-01-05

Method and system for removing hydrogen sulfide from sour oil and sour water

#7
20220081625
2022-03-17

Optimization of a Method for Isolation of Paraffinic Hydrocarbons

#8
20210348068
2021-11-11

Process of coprocessing a lignocellulosic liquid stream and an intermediate fossil stream in an oil refining process and a process for producing fuel from a deasphalted oil stream

#9
20210122648
2021-04-29

Method and system for removing hydrogen sulfide from sour oil and sour water

#10
20200332198
2020-10-22

Monitoring of residual metals in paraffinic froth treatment operations and process control

#11
20200283686
2020-09-10

Separation of fractions in hydrocarbon samples using an accelerated solvent extractor

#12
20200140764
2020-05-07

SYSTEM AND METHOD FOR SOLVENT DE-ASPHALTING

#13
20200056102
2020-02-20

Purification of oil

#14
20190336908
2019-11-07

Coalescer for co-current contactors

#15
20190300797
2019-10-03

Method and device for preparing a vanadium-containing combustible

#16
20190194555
2019-06-27

Integrated process for activating hydroprocessing catalysts with in-situ produced sulfides and disulphides

#17
20190185766
2019-06-20

Method for refining fuel oil

#18
20190161687
2019-05-30

Method for treating a hydrocarbon feedstock comprising a deasphalting step and an asphalt conditioning step

#19
20180237705
2018-08-23

Separation of solid asphaltenes from heavy liquid hydrocarbons using novel apparatus and process (“IAS”)

#20
20180222771
2018-08-09

Method and system for removing hydrogen sulfide from sour oil and sour water

#21
20180094198
2018-04-05

Process for separating particles containing alkali metal salts from liquid hydrocarbons

#22
20170355618
2017-12-14

Method and system for removing hydrogen sulfide from sour oil and sour water

#23
20170190986
2017-07-06

Optimization of a method for isolation of paraffinic hydrocarbons

#24
20170152430
2017-06-01

Screening methods for asphaltene stabilizers

#25
20170073590
2017-03-16

System and method of delivering dilution water droplets within an oil-and-water stream

#26
20170029714
2017-02-02

Separator for desalting petroleum crude oils having rag layer withdrawal

#27
20160289575
2016-10-06

Method and system for removing hydrogen sulfide from sour oil and sour water

#28
20160068768
2016-03-10

Process for controlling operations of a residue process unit

#29
20150361350
2015-12-17

Advisory controls of desalter system

#30
20150315485
2015-11-05

Method and system for removing hydrogen sulfide from sour oil and sour water

#31
20150299581
2015-10-22

System and method of delivering dilution water droplets within an oil-and-water stream

#32
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

#33
20140284250
2014-09-25

Process for extracting sulphur-containing compounds by liquid-liquid extraction by means of a soda solution with an optimized final washing step

#34
20140251874
2014-09-11

Separator for desalting petroleum crude oils having rag layer withdrawal

#35
20140246357
2014-09-04

Separation of solid asphaltenes from heavy liquid hydrocarbons using novel apparatus and process (“IAS”)

#36
20140238903
2014-08-28

Deasphalting process for production of feedstocks for dual applications

#37
20140238902
2014-08-28

Method and system for removing hydrogen sulfide from sour oil and sour water

#38
20140021101
2014-01-23

Hydrocarbon Viscosity Reduction Method

#39
20130043164
2013-02-21

COAL SEAM GAS FRACKING SYSTEMS AND METHODS

#40
20120197057
2012-08-02

Solvent quality control in extraction processes

#41
20120097542
2012-04-26

Mixing method and system for increased coalescence rates in a desalter

#42
15793351
2019-03-26

Integrated process for activating hydroprocessing catalysts with in-situ produced sulfides and disulphides