ClassID:

105406

C10G19/02 - CPC Classification

Classification description:

Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions

Sub-classes:
Recent Application in this class:
#1
20260035620
2026-02-05

REMOVAL OF ORGANIC SILICON COMPOUNDS FROM REFINERY HYDROCARBON STREAMS

#2
20260015548
2026-01-15

A METHOD FOR PURIFICATION OF LIQUEFIED WASTE PLASTICS USING RECYCLED AQUEOUS STREAM

#3
20250257273
2025-08-14

PROCESS FOR THE RECYCLING OF WASTE PLASTICS BASED OIL

#4
20250257198
2025-08-14

PURIFICATION OF WASTE PLASTICS BASED OIL VIA A POLYMERIZATION

#5
20250171695
2025-05-29

Process For The Purification Of Waste Plastics Based Oil With The Help Of Basic Compounds

#6
20240409820
2024-12-12

PYROLYSIS GAS TREATMENT INCLUDING CAUSTIC SCRUBBER

#7
20240376388
2024-11-14

METHOD FOR PURIFYING HYDROCARBON FEEDSTOCK IN AN AQUEOUS MEDIUM AND USE THEREOF

#8
20240209267
2024-06-27

ALKALI-ENHANCED HYDROTHERMAL PURIFICATION OF PLASTIC PYROLYSIS OILS

#9
20240166955
2024-05-23

LIQUID BASED CHEMICAL COMPOSITIONS AND TREATMENT SYSTEMS AND TREATMENT METHODS USING SAME FOR REDUCING SULFUR CONTENT IN HYDROCARBON BASED LIQUIDS INCLUDING CRUDE OIL

#10
20240076557
2024-03-07

UPGRADING OF BIO-OIL USING AMMONIA

#11
20230416616
2023-12-28

pH-MODIFIED WATER-SOLUBLE OXIDIZED DISULFIDE OIL COMPOSITION

#12
20230295519
2023-09-21

Methods for modifying desalter alkalinity capacity and uses thereof

#13
20230151283
2023-05-18

HYDROCARBON PYROLYSIS OF FEEDS CONTAINING NITROGEN

#14
20220267683
2022-08-25

LIQUID-LIQUID EXTRACTION OF HYDROCARBONS IN BULK STORAGE TANKS

#15
20220235276
2022-07-28

Alkali-enhanced hydrothermal purification of plastic pyrolysis oils

#16
20220204872
2022-06-30

Compositions and methods for remediating hydrogen sulfide in hydrocarbon based liquids

#17
20210261871
2021-08-26

LIQUID/LIQUID EXTRACTION OF HYDROCARBONS IN BULK STORAGE TANKS

#18
20210230487
2021-07-29

Chemical compositions and treatment systems and treatment methods using same for remediating H2S and other contaminants in fluids, including liquids,gasses and mixtures thereof

#19
20210122971
2021-04-29

Synthetic caustic composition

#20
20210095215
2021-04-01

Methods and compositions for prevention of fouling in caustic towers

#21
20210040400
2021-02-11

Chemical compositions and methods of using same for remediating low to moderate amounts of sulfur-containing compositions and other contaminants in liquids

#22
20200325403
2020-10-15

Process for reducing nitrogen content of hydrocarbon feed

#23
20200239789
2020-07-30

Methods of remediating liquid compositions containing sulfur and other contaminants

#24
20200239785
2020-07-30

ORGANIC ACID REMOVAL FROM LIQUID HYDROCARBON PRODUCT STREAMS

#25
20200171408
2020-06-04

Liquid-liquid mass transfer process and apparatus

#26
20200131444
2020-04-30

Compositions and methods for remediating hydrogen sulfide in hydrocarbon based liquids

#27
20200109335
2020-04-09

Chemical process for sulfur reduction of hydrocarbons

#28
20200048567
2020-02-13

CHEMICAL COMPOSITIONS AND METHODS FOR REMEDIATING HYDROGEN SULFIDE AND OTHER CONTAMINANTS IN HYDROCARBON BASED LIQUIDS AND AQUEOUS SOLUTIONS WITHOUT THE FORMATION OF PRECIPITATES OR SCALE

#29
20190338200
2019-11-07

Method for upgrading low-value and waste fats, oils, and greases

#30
20190322951
2019-10-24

Chemical compositions and methods for remediating hydrogen sulfide and other contaminants in hydrocarbon based liquids and aqueous solutions without the formation of precipitates or scale

#31
20190292468
2019-09-26

CATALYST COMPONENT FOR REDUCING THE TOTAL ACID NUMBER IN REFINERY FEEDSTOCKS

#32
20190233735
2019-08-01

Methods for producing hydrocarbon compositions with reduced acid number and for isolating short chain fatty acids

#33
20190194555
2019-06-27

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

#34
20190177622
2019-06-13

Basic ionic liquids as hydrochloric acid scavengers in refinery crude processing

#35
20190153332
2019-05-23

Chemical solution and methods of using same for remediating hydrogen sulfide and other contaminants in petroleum based and other liquids

#36
20190144740
2019-05-16

Synthetic caustic composition

#37
20190071610
2019-03-07

METHODS AND COMPOSITIONS FOR PREVENTION OF FOULING IN CAUSTIC TOWERS

#38
20190048268
2019-02-14

System and method for reduction of the total acid number in crude oil

#39
20180327674
2018-11-15

Process and apparatus for treating mercaptans

#40
20180320089
2018-11-08

Process for the regeneration of an alkaline solution utilized in a process for the extraction of sulphur-containing compounds comprising a washing step

#41
20180312762
2018-11-01

Oxidation process

#42
20180251685
2018-09-06

Method and composition for neutralizing acidic components in petroleum refining units

#43
20180201845
2018-07-19

REDUCTION OF ACIDS USING METAL NAPHTHENATE PRECIPITATION

#44
20180170777
2018-06-21

PROCESS FOR OXIDIZING ONE OR MORE THIOL COMPOUNDS AND SUBSEQUENT SEPARATION IN A SINGLE VESSEL

#45
20180002619
2018-01-04

Compounds and methods for inhibiting corrosion in hydrocarbon processing units

#46
20170369790
2017-12-28

Oxidation process

#47
20170306247
2017-10-26

WATER-BASED FORMULATION OF H2S/MERCAPTAN SCAVENGER FOR FLUIDS IN OILFIELD AND REFINERY APPLICATIONS

#48
20170226430
2017-08-10

Process for reducing the total acid number in refinery feedstocks

#49
20170137349
2017-05-18

Removal of carbonyls from liquid phase hydrocarbon streams

#50
20170067870
2017-03-09

Method and kit for monitoring catalyst fines in heavy fuel oil

#51
20160272900
2016-09-22

Sulfone cracking using supercritical water

#52
20160208178
2016-07-21

Refining of used oils

#53
20160199803
2016-07-14

Process for stabilizing an oil-in-water or water-in-oil emulsion

#54
20160145502
2016-05-26

Integrated hydrocarbon desulfurization with oxidation of disulfides and conversion of SOto elemental sulfur

#55
20160145498
2016-05-26

Determining modified TAN-IR in crude oil

#56
20150368568
2015-12-24

METHODS AND APPARATUSES FOR REMOVING AMINES FROM EXTRACTED HYDROCARBON STREAMS

#57
20150353842
2015-12-10

Apparatuses and methods for conversion of mercaptans

#58
20150299580
2015-10-22

Bitumen extraction process

#59
20150284264
2015-10-08

Methods and systems for treating spent caustic and regenerating media

#60
20150267127
2015-09-24

Desalter operation

#61
20150217261
2015-08-06

Removal of contaminants from bunker oil fuel

#62
20150203767
2015-07-23

Process for removing gases from a sweetened hydrocarbon stream, and an apparatus relating thereto

#63
20150184086
2015-07-02

Reaction system, methods and products therefrom

#64
20150151263
2015-06-04

Unit for processing a liquid/gas phase mixture, mercaptan oxidation system including the same, and method of processing a liquid/gas phase mixture

#65
20150114884
2015-04-30

Compounds and methods for inhibiting corrosion in hydrocarbon processing units

#66
20150114883
2015-04-30

Methods for treating hydrocarbon streams containing mercaptan compounds

#67
20140371509
2014-12-18

Process for treating a liquid hydrocarbon stream

#68
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

#69
20140311948
2014-10-23

Mercury removal with amine sorbents

#70
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

#71
20140131256
2014-05-15

Reaction system and products therefrom

#72
20140091008
2014-04-03

Process for removing naphthenic acids from crude oil and crude oil distillates

#73
20140066682
2014-03-06

Process and apparatus for extracting sulfur compounds in a hydrocarbon stream

#74
20130299391
2013-11-14

Compounds and methods for inhibiting corrosion in hydrocarbon processing units

#75
20130240405
2013-09-19

Process for deep desulfurization of cracked gasoline with minimum octane loss

#76
20130232857
2013-09-12

Process for removing siloxane-based derivatives from a liquid organic phase

#77
20130161234
2013-06-27

Alkali metal hydroprocessing of heavy oils with enhanced removal of coke products

#78
20130048543
2013-02-28

Reaction system and products therefrom

#79
20130037448
2013-02-14

Process for reducing the total acid number in refinery feedstocks

#80
20120241361
2012-09-27

Synergistic H2S/mercaptan scavengers using glyoxal

#81
20120111769
2012-05-10

Crude oil desulfurization

#82
20120103914
2012-05-03

Centralized sump oil and acid oil treatment process and system

#83
20120103872
2012-05-03

Method for reducing mercaptans in hydrocarbons

#84
20120067777
2012-03-22

Reaction system and products therefrom

#85
20120048779
2012-03-01

Sulfone removal from an oxidized hydrocarbon fuel

#86
20120000827
2012-01-05

Process for removing one or more sulfur compounds from a stream

#87
20120000792
2012-01-05

Electrochemical treatment of heavy oil streams followed by caustic extraction

#88
20110315921
2011-12-29

Water-based formulation of H2S/mercaptan scavenger for fluids in oilfield and refinery applications

#89
20110315600
2011-12-29

Removal of sulfur compounds from petroleum stream

#90
20110259798
2011-10-27

Process for predicting and reducing the corrosivity of a hydrocarbonaceous mixture

#91
20110147274
2011-06-23

Regeneration of alkali metal reagent

#92
20110147273
2011-06-23

Desulfurization process using alkali metal reagent

#93
20110147271
2011-06-23

Process for producing a high stability desulfurized heavy oils stream

#94
20110113680
2011-05-19

Method of scavenging mercaptans from hydrocarbons

#95
20110068048
2011-03-24

Mercury removal with amine sorbents

#96
20100292349
2010-11-18

Process for stabilizing an oil-in-water or water-in-oil emulsion

#97
20100187124
2010-07-29

Process for regenerating alkali metal hydroxides by electrochemical means

#98
20100155304
2010-06-24

TREATMENT OF HYDROCARBONS CONTAINING ACIDS

#99
20100147746
2010-06-17

Reduction of organic halide contamination in hydrocarbon products

#100
20090152168
2009-06-18

Process for the desulfurization of heavy oils and bitumens

#101
20090127164
2009-05-21

Method for eliminating the carbonyl sulfide contained in a liquid hydrocarbon stream

#102
20090065399
2009-03-12

Removal of sulfur-containing compounds from liquid hydrocarbon streams

#103
20080274150
2008-11-06

Process For Removing Odors From Hydrocarbons

#104
20080272061
2008-11-06

Methods and Compositions for Deactivating Organic Acids in Oil

#105
20080230445
2008-09-25

METHOD OF SCAVENGING MERCAPTANS FROM HYDROCARBONS

#106
20080190844
2008-08-14

Methods, processes and apparatus for biological purification of a gas, liquid or solid; and hydrocarbon fuel from said processes

#107
20080039344
2008-02-14

Composition and method for chelated scavenging compounds

#108
20080027252
2008-01-31

Oil dehalogenation method

#109
20070287876
2007-12-13

Method of removing organic acid from light fischer-tropsch liquid

#110
20070039854
2007-02-22

Method for eliminating the carbonyl sulfide contained in a liquid hydrocarbon stream

#111
20060151359
2006-07-13

Naphtha desulfurization process

#112
20060054538
2006-03-16

Emulsion neutralization of high total acid number (TAN) crude oil

#113
20060011517
2006-01-19

Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams

#114
20060011516
2006-01-19

Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams

#115
20050258075
2005-11-24

Viscoelastic upgrading of heavy oil by altering its elastic modulus

#116
20050224394
2005-10-13

Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process

#117
16203967
2019-10-29

Liquid-liquid mass transfer process and apparatus

#118
15793351
2019-03-26

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