ClassID:

28594

B01D11/0488 - CPC Classification

Classification description:

Solvent extraction of solutions which are liquid Flow sheets

Recent Application in this class:
#1
20260132145
2026-05-14

METHODS OF PREPARING ISOMERS, ANALOGS, AND SYNTHETIC DERIVATIVES FROM AKUAMMA SEEDS

#2
20250368920
2025-12-04

REMOVAL OF IMPURITIES FROM TALL OIL FEED BY SOLVENT PRECIPITATION

#3
20250368916
2025-12-04

ALCOHOL PRETREATMENT TO REMOVE WATER TO PREPARE OLEAGINOUS MATERIAL FOR SUBSEQUENT ALCOHOL-BASED SOLVENT EXTRACTION

#4
20250340504
2025-11-06

METHOD FOR PREPARING ACRYLIC ACID

#5
20250281853
2025-09-11

PROCESS AND SYSTEM FOR CONTAMINANTS REMOVAL

#6
20250276287
2025-09-04

SYSTEMS AND METHODS FOR ORGANIC ACID RECOVERY

#7
20250263297
2025-08-21

PROCESS FOR MANUFACTURE LITHIUM SALT OF BIS(FLUOROSULFONYL)IMIDE IN SOLID FORM

#8
20250230472
2025-07-17

EXTRACTION OF ALKANOIC ACIDS

#9
20250099915
2025-03-27

Electro-Pressure Membrane Method for Recovery and Concentration of Lithium from Aqueous Sources

#10
20250064103
2025-02-27

METHOD FOR ISOLATING AND PURIFYING NEOPHYTADIENE FROM LEAF TOBACCO, NEOPHYTADIENE COMPOSITION, NON-COMBUSTION HEATING-TYPE FLAVOR INHALER, NON-COMBUSTION NON-HEATING TYPE FLAVOR INHALER, COMBUSTION-TYPE FLAVOR INHALER AND METHODS FOR PRODUCING SAME

#11
20250050240
2025-02-13

SUPERCRITICAL FLUID EXTRACTION PROCESS WITH INTEGRATED PRESSURE EXCHANGER

#12
20250034464
2025-01-30

METHOD AND DEVICE FOR SEPARATING A HYDROCARBON-CONTAINING FEEDSTOCK STREAM BY EXTRACTIVE DISTILLATION

#13
20240409827
2024-12-12

PROCESS FOR THE PRODUCTION OF PYROLYSIS OIL FROM WASTE PLASTICS

#14
20240262772
2024-08-08

A SOLVENT DRYING SOLUTION AND PROCESSES THERFOR

#15
20240254396
2024-08-01

Purification Of Tar Containing Gas Streams

#16
20240158706
2024-05-16

UPGRADING OF THE AROMATICS ORIGINATING FROM CATALYTIC CRACKED GASOLINES TO THE AROMATICS COMPLEX

#17
20240115972
2024-04-11

Continuous post-treatment method and device for penem compound

#18
20240066432
2024-02-29

Method and Apparatus for Extracting a Compound from a Material

#19
20240010507
2024-01-11

Method For Recovering High-Purity Sodium Bromide From Bromine-Containing Crude Salt

#20
20230416285
2023-12-28

METHOD FOR PREPARING SULFONATED ARYLPHOSPHINE

#21
20230405489
2023-12-21

CONTINUOUS LIQUID-LIQUID CHROMATOGRAPHIC SEPARATION OF CHEMICAL SPECIES USING MULTIPLE LIQUID PHASES AND RELATED SYSTEMS AND ARTICLES

#22
20230339999
2023-10-26

RECOVERY OF HIGH-PURITY LIGNIN VIA SIMULTANEOUS LIQUID-PHASE ACIDIFICATION AND SOLVATION

#23
20230271930
2023-08-31

PROCESS FOR ISOLATION AND PURIFICATION OF THCA FROM CANNABIS

#24
20230134310
2023-05-04

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#25
20230103803
2023-04-06

PROCESS FOR RECOVERING ACRYLIC ACID

#26
20230088299
2023-03-23

Process and system for contaminants removal

#27
20230014044
2023-01-19

Electro-pressure membrane method for recovery and concentration of lithium from aqueous sources

#28
20220339554
2022-10-27

Continuous Sample Purification Systems and Methods

#29
20220226749
2022-07-21

METHOD FOR PURIFYING AN AQUEOUS-ALCOHOLIC FEEDSTOCK COMPRISING ETHANOL AND ACETALDEHYDE

#30
20220212957
2022-07-07

Switchable system for high-salinity brine desalination and fractional precipitation

#31
20220212956
2022-07-07

Methods for water extraction

#32
20220162716
2022-05-26

Formation method for slag flow, production method for organic compound, production method for particles, and extraction method

#33
20220162518
2022-05-26

Process and system for producing biodiesel

#34
20220152522
2022-05-19

MULTI STAGE SAFE DRY CONDENSING

#35
20220111308
2022-04-14

Hybrid extraction process for cannabinoids and related methods

#36
20220098624
2022-03-31

Production of aromatics by reverse water gas shift, fermentation and recycling to pyrolysis

#37
20220098499
2022-03-31

Production of aromatics by pyrolysis, water gas shift and aromatization of CO2

#38
20220098498
2022-03-31

Production of aromatics by reverse water gas shift, fermentation and aromatization

#39
20220089788
2022-03-24

Rubber and by-product extraction systems and methods

#40
20220056556
2022-02-24

BRINE AND METHOD FOR PRODUCING SAME

#41
20220044836
2022-02-10

Technetium 99m isolation system and technetium 99m isolation method

#42
20220041935
2022-02-10

Process for production of graphite coke from an admixture of coal and petroleum based hydrocarbons

#43
20220017443
2022-01-20

Method for producing 3,5-dihydroxy-4-methoxybenzyl alcohol from bivalve

#44
20220016546
2022-01-20

METHOD AND DEVICE FOR CONTINUOUS COUNTERCURRENT TRANSFER OF MATERIAL BETWEEN TWO FLUID PHASES

#45
20210388462
2021-12-16

PROCESS FOR THE SELECTIVE RECOVERY OF TRANSITION METALS FROM ORGANIC RESIDUES

#46
20210376400
2021-12-02

Recovery of critical elements from end-of-life lithium ion batteries with supported membrane solvent extraction

#47
20210363092
2021-11-25

Method for purifying organic acids

#48
20210355076
2021-11-18

Device and method for the desalination of water by means of thermal deionisation and liquid-phase ion extraction liquid

#49
20210332458
2021-10-28

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#50
20210261749
2021-08-26

Bioderived heat transfer fluids and methods of making the same

#51
20210230020
2021-07-29

Desalting apparatus using solvent and the method thereof

#52
20210229054
2021-07-29

Supercritical water and ammonia oxidation system and process

#53
20210198582
2021-07-01

Process to remove asphaltene from heavy oil by solvent

#54
20210078967
2021-03-18

Acetylation of cannabinoids using sulfuric acid catalyst

#55
20210077947
2021-03-18

Method and an apparatus for separating chlorine gas from a gaseous anode outlet stream of an electrochemical reactor

#56
20210062293
2021-03-04

Method of inhibiting degradation of DSX extractant by auxiliary means

#57
20210039011
2021-02-11

SOLVENT EXTRACTION METHOD

#58
20200398185
2020-12-24

Method and apparatus for producing specific substances by extraction and separation in a liquid-liquid system

#59
20200398181
2020-12-24

Method for selectively separating impurities present in a hydro-alcoholic cut by recycling through a liquid-liquid extraction column

#60
20200354300
2020-11-12

Methods of chemical recovery for propylene oxide-styrene monomer processes

#61
20200354292
2020-11-12

Method for purification of a solvent for separation of styrene by extractive distillation and for separation of styrene

#62
20200346137
2020-11-05

Fluorinated crown ethers and methods and systems for extraction of lithium using same

#63
20200339490
2020-10-29

Method for obtaining pure 1,3-butadiene

#64
20200325407
2020-10-15

Process for production of anisotropic coke

#65
20200298224
2020-09-24

SYSTEM AND METHOD FOR CATALYST REMOVAL FROM MTO EFFLUENT

#66
20200298142
2020-09-24

Solid-liquid separating system and solid-liquid separating method

#67
20200263277
2020-08-20

Mineral Recovery Process

#68
20200262803
2020-08-20

Process for separating furanic compounds, in particular 5-hydroxymethylfurfural, from dimethoxysulfoxide by liquid-liquid extractions

#69
20200239788
2020-07-30

Washing and desalting device, washing and desalting method, desalting and dehydrating system, and desalting and dehydrating method

#70
20200239428
2020-07-30

Transparent glassy cannabinoid compositions

#71
20200172637
2020-06-04

Rubber and by-product extraction systems and methods

#72
20200157041
2020-05-21

Process for the separation of long chain amino acids and dibasic acids

#73
20200139263
2020-05-07

Method of continuous recovery of (meth)acrylic acid and apparatus for the method

#74
20200108331
2020-04-09

Systems and methods for recovering amines and their derivatives from aqueous mixtures

#75
20200063236
2020-02-27

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#76
20200061492
2020-02-27

Extraction of organic products from plant and animal materials

#77
20200017421
2020-01-16

Process and plant for the adiabatic nitration of aromatic compounds

#78
20190382329
2019-12-19

Method and apparatus for continuously recovering (meth)acrylic acid

#79
20190367823
2019-12-05

System and Method of Liquid Hydrocarbon Desulfurization Utilizing a Liquid Sorbent

#80
20190336908
2019-11-07

Coalescer for co-current contactors

#81
20190323096
2019-10-24

Methods of refining a lignocellulosic hydrolysate

#82
20190308116
2019-10-10

Solvent based cannabinoid extraction process with improved efficiency, safety, quality, which yields a homogenous and pasteurized product

#83
20190276384
2019-09-12

Automated production line for preparing cannabidiol extract

#84
20190232193
2019-08-01

Process for purifying an aqueous solution comprising diethylacetal

#85
20190201807
2019-07-04

Process for the purification of the solvent deriving from the production of elastomeric blends

#86
20190168133
2019-06-06

Device for controlling interface of liquid-liquid extraction column using pressure equilibrium

#87
20190161431
2019-05-30

APPARATUS AND METHOD FOR CONTINUOUS PRODUCTION OF POLYETHYLENE GLYCOL DINITRATE

#88
20190152797
2019-05-23

Method for preparing nickel/manganese/lithium/cobalt sulfate and tricobalt tetraoxide from battery wastes

#89
20190144366
2019-05-16

Use of a Lewis donor solvent to purify a feedstock that contains ethanol, acetaldehyde, and impurities

#90
20190083923
2019-03-21

Method of recovering (meth)acrylic acid

#91
20190077782
2019-03-14

Transparent glassy cannabinoid compositions

#92
20190062239
2019-02-28

PROCESS AND APPARATUS FOR DUAL FEED PARA-XYLENE EXTRACTION

#93
20190048101
2019-02-14

Rubber and by-product extraction systems and methods

#94
20190010116
2019-01-10

Process for the separation of long chain amino acids and dibasic acids

#95
20190002396
2019-01-03

Process for the separation of long chain amino acids and dibasic acids

#96
20190001237
2019-01-03

Continuous sample purification systems and methods

#97
20180369717
2018-12-27

Extract production system and method for producing extract

#98
20180354987
2018-12-13

Method of isolation of polypeptide-aptamer-polymer conjugates

#99
20180334619
2018-11-22

Supercritical water upgrading process to produce high grade coke

#100
20180305832
2018-10-25

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#101
20180305788
2018-10-25

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#102
20180237705
2018-08-23

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

#103
20180170864
2018-06-21

Process for oxidizing one or more thiol compounds and subsequent separation in a single vessel

#104
20180119344
2018-05-03

Methods and systems for solvent purification

#105
20180119025
2018-05-03

Layer-separation method of spent caustic solution

#106
20180105778
2018-04-19

Multi-stage purification method and apparatus of extracellular vesicles using aqueous solution two-phase system

#107
20180094201
2018-04-05

Process for purifying biodiesel

#108
20180086987
2018-03-29

Dissolved oil removal from quench water of gas cracker ethylene plants

#109
20180022670
2018-01-25

METHOD FOR EMULSION REMOVAL IN AMINE REMOVAL UNIT

#110
20180009738
2018-01-11

Device and method for the desalination of water by means of thermal deionisation and liquid-phase ion extraction liquid

#111
20170305835
2017-10-26

Method for removing impurities from dinitrotoluenes

#112
20170305823
2017-10-26

PROCESS FOR RECLAIMING ALCOHOLS

#113
20170240496
2017-08-24

Method of recovering acetone and a plant for recovering the same

#114
20170166819
2017-06-15

Supercritical water upgrading process to produce high grade coke

#115
20170166514
2017-06-15

Method for removing impurities from dinitrotoluenes

#116
20170137394
2017-05-18

Alkylene oxide separation systems, methods, and apparatuses

#117
20170121289
2017-05-04

Method and system for preparing caprolactam

#118
20170113994
2017-04-27

Process and plant for the purification of acrylic acid

#119
20170113161
2017-04-27

Extraction apparatus and method thereof

#120
20170073827
2017-03-16

Producing system of reduction product

#121
20170051211
2017-02-23

Method for removing metal from hydrocarbon oil

#122
20160376214
2016-12-29

Process for continuously recovering (meth)acrylic acid and apparatus for the process

#123
20160355937
2016-12-08

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#124
20160312337
2016-10-27

Recovery of rare earth elements by liquid-liquid extraction from fresh water to hypersaline solutions

#125
20160303491
2016-10-20

Method for extracting oil from a water and solids composition, method for the production of ethanol, and ethanol production facility

#126
20160263516
2016-09-15

Coalescer for co-current contractors

#127
20160256815
2016-09-08

Method of recovering absorption solvent in butadiene production process by oxidative dehydrogenation

#128
20160251302
2016-09-01

Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid

#129
20160250565
2016-09-01

Extraction and separation method

#130
20160237011
2016-08-18

Process for removal of sulphur from raw methanol

#131
20160228789
2016-08-11

Extraction apparatus and method

#132
20160220923
2016-08-04

Multifunctional continuous phase transition extraction apparatus

#133
20160200656
2016-07-14

Process for continuous recovering (meth)acrylic acid and apparatus for the process

#134
20160185598
2016-06-30

Process for manufacturing a purified aqueous hydrogen peroxide solution

#135
20160184797
2016-06-30

METHODS AND SYSTEMS FOR PROCESSING CELLULOSIC BIOMASS

#136
20160184796
2016-06-30

METHODS AND SYSTEMS FOR PROCESSING CELLULOSIC BIOMASS

#137
20160145185
2016-05-26

Method for continuously recovering (meth)acrylic acid and apparatus for the method

#138
20160122265
2016-05-05

Co-extraction systems for separation and purification of butadiene and isoprene

#139
20160083406
2016-03-24

Extraction solvent control for reducing stable emulsions

#140
20160053341
2016-02-25

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#141
20160008735
2016-01-14

Process for purifying hydrocarbons

#142
20150375138
2015-12-31

Extraction apparatus

#143
20150361527
2015-12-17

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#144
20150360973
2015-12-17

METHODS AND SYSTEMS FOR WATER RECOVERY

#145
20150328561
2015-11-19

METHODS FOR SEPARATING BIO-OILS

#146
20150321120
2015-11-12

Methods and systems for solvent purification

#147
20150314217
2015-11-05

Liquid-liquid extraction system and process for use thereof

#148
20150291637
2015-10-15

Method for the fractionation of phospho-lipids from phospholipid-containing material

#149
20150274632
2015-10-01

Process for recovering halogen promoters and removing permanganate reducing compounds

#150
20150210934
2015-07-30

Methods and systems for the removal of heavy hydrocarbons

#151
20150139865
2015-05-21

Extraction system

#152
20150076064
2015-03-19

PROCESS FOR DEPLETING CALCIUM AND/OR IRON FROM GEOTHERMAL BRINES

#153
20140316178
2014-10-23

Process stream upgrading

#154
20140246357
2014-09-04

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

#155
20140227161
2014-08-14

System and method for extraction of chemicals from lignocellulosic materials

#156
20140221701
2014-08-07

Extraction of fusel alcohols from ethanol fermentation products

#157
20140061021
2014-03-06

Methods and extraction units employing vapor draw compositional analysis

#158
20130302216
2013-11-14

System and process for producing an oxirane

#159
20130225838
2013-08-29

Regeneration of selective solvents for extractive processes

#160
20130213820
2013-08-22

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#161
20130206588
2013-08-15

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#162
20130152741
2013-06-20

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#163
20130082003
2013-04-04

Water extraction using a directional solvent

#164
20130012738
2013-01-10

Method for recovery of acetic acid from an aqueous solution thereof

#165
20120325743
2012-12-27

Systems and processes for treatment of solutions

#166
20120190872
2012-07-26

Process for the recovery of oleaginous compounds from biomass

#167
20120190840
2012-07-26

Process for the production of alcohols

#168
20120167874
2012-07-05

Methods and systems for solvent purification

#169
20120145528
2012-06-14

Apparatus and process for treating a hydrocarbon stream

#170
20120130142
2012-05-24

AUTOMATICALLY MEASURING COLOR CHANGES IN A STREAM

#171
20120090981
2012-04-19

Process for recovering halogen promoters and removing permanganate reducing compounds

#172
20120090980
2012-04-19

Process for recovering halogen promoters and removing permanganate reducing compounds

#173
20120073951
2012-03-29

Methods and extraction units employing vapor draw compositional analysis

#174
20110088277
2011-04-21

System for liquid extraction, and methods

#175
20110049062
2011-03-03

Method of removing iron and calcium from a geothermal brine

#176
20110002823
2011-01-06

Pooled separation of actinides from a highly acidic aqueous phase using a solvating extractant in a salting-out medium

#177
20100249457
2010-09-30

Apparatus and method for recovery of acetic acid from an aqueous solution thereof

#178
20100243532
2010-09-30

Apparatus and process for treating a hydrocarbon stream

#179
20100116747
2010-05-13

Method for magnetically supported extraction

#180
20100069686
2010-03-18

Energy efficient separation of ethanol from aqueous solution

#181
20100034713
2010-02-11

Process for separating a chemical element from uranium (VI) starting from a nitric aqueous phase, in an extraction cycle for the uranium

#182
20090200208
2009-08-13

METHOD OF PRODUCING MINERAL OILS BASED ON HYDROCARBON DISTILLATES

#183
20090166175
2009-07-02

Solvent extraction and recovery

#184
20090093034
2009-04-09

Method for separation of lactic acid component from lactic acid fermentation liquor, and separation apparatus

#185
20090065409
2009-03-12

Gasoline-ethanol separation apparatus

#186
20090047720
2009-02-19

Method for extracting oil from a water and solids composition

#187
20080154068
2008-06-26

Acetonitrile removal from the olefinic feed of ether production processes using ionic liquids

#188
20080119669
2008-05-22

Process for the Recovery of Organic Compounds from Mixtures Containing (Meth)Acrylic Acid by Extraction with a Protic Solvent

#189
20080083671
2008-04-10

Systems and Methods Using a Solvent for the Removal of Lipids from Fluids

#190
20070138094
2007-06-21

Systems and methods using a solvent for the removal of lipids from fluids

#191
20070090049
2007-04-26

Solvent extraction process

#192
20060252975
2006-11-09

Method for high efficiency salt removal from phenol process byproducts

#193
20060191848
2006-08-31

Integrated separation of organic substances from an aqueous bio-process mixture

#194
20060124545
2006-06-15

Process for producing 1,3-propanediol

#195
20060124544
2006-06-15

System for liquid extraction, and methods

#196
20060081535
2006-04-20

Materials treatment

#197
20060073087
2006-04-06

Method and apparatus for the formation of particles

#198
20060060520
2006-03-23

Systems and methods using a solvent for the removal of lipids from fluids

#199
20050206023
2005-09-22

Method of particle formation

#200
20050189296
2005-09-01

Method for handling (meth) acrylic ester-containing solution

#201
20050109733
2005-05-26

Cleaning and etching methods and their apparatuses

#202
18945335
2025-10-07

Methods of preparing isomers, analogs, and synthetic derivatives from akuamma seeds

#203
14628792
2015-12-29

Extractive distillation for aromatics recovery