ClassID:

28579

B01D11/043 - CPC Classification

Classification description:

Solvent extraction of solutions which are liquid; Counter-current multistage extraction towers in a vertical or sloping position with stationary contacting elements, sieve plates or loose contacting elements

Recent Application in this class:
#1
20250361460
2025-11-27

A LIQUID-LIQUID-SOLID EXTRACTION PROCESS FOR ISOLATING NATURAL PRODUCTS FROM A FEEDSTOCK STREAM

#2
20250288922
2025-09-18

EXTRACTION COLUMN HAVING ALTERNATING COMPARTMENT HEIGHTS

#3
20250058249
2025-02-20

VARIABLE PERFORATION LIQUID-LIQUID EXTRACTION COLUMN

#4
20250058248
2025-02-20

LIQUID-LIQUID EXTRACTION COLUMN WITH VARIABLE INTER-TRAY SPACE

#5
20240299864
2024-09-12

VALVE TRAYS IN EXTRACTION COLUMNS

#6
20230107751
2023-04-06

Extraction of botanical material using high-pressure hydrocarbons

#7
20220396680
2022-12-15

Method of Separating a First Contaminant from a Feed Stream and Reactor System for Carrying Out the Method

#8
20220280884
2022-09-08

High capacity tray for liquid-liquid treating

#9
20220054954
2022-02-24

Acoustically settled liquid-liquid sample purification system and method of use

#10
20200353378
2020-11-12

Acoustically settled liquid-liquid sample purification system

#11
20200346136
2020-11-05

Extraction of botanical material using high-pressure hydrocarbons

#12
20190309005
2019-10-10

Liquid-liquid extraction of DMF

#13
20190232192
2019-08-01

Static Internal, Use of One or More Static Internal, Agitated Liquid-Liquid Contactor and use of an Agitated Liquid-Liquid Contactor

#14
20190192995
2019-06-27

Contactor and separation apparatus and process of using same

#15
20190168132
2019-06-06

Modular Extraction Column

#16
20190083923
2019-03-21

Method of recovering (meth)acrylic acid

#17
20190002383
2019-01-03

Process and apparatus for removing aldehydes from acetone

#18
20180016209
2018-01-18

Method and apparatus for separating alkyl aromatic hydrocarbon

#19
20170354901
2017-12-14

Acoustically settled liquid-liquid sample purification system

#20
20170259187
2017-09-14

Extraction Column and Process for Use Thereof

#21
20170240497
2017-08-24

Paraxylene extraction of purification mother liquor with heat integration

#22
20170239639
2017-08-24

Contact device for heat/mass exchange and phase separation

#23
20170216741
2017-08-03

Contactor and separation apparatus and process of using same

#24
20170114290
2017-04-27

Integrated hydrotreating and isomerization system with aromatic separation

#25
20160317946
2016-11-03

Static internal, use of one or more static internal, agitated liquid-liquid contactor and use of an agitated liquid-liquid contactor

#26
20160166948
2016-06-16

Contacting arrangement

#27
20160007803
2016-01-14

Colander

#28
20150375139
2015-12-31

An Extraction Column and Process for Use Thereof

#29
20150314217
2015-11-05

Liquid-liquid extraction system and process for use thereof

#30
20150203431
2015-07-23

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

#31
20150166455
2015-06-18

Extraction column and process for extracting a constituent from a fluid

#32
20150151217
2015-06-04

Extraction tower

#33
20150141730
2015-05-21

Method and apparatus for separating alkyl aromatic hydrocarbon

#34
20150087857
2015-03-26

Liquid-liquid extraction process for the production of acrylic esters

#35
20150051423
2015-02-19

Process for the recovery of acetic acid

#36
20150008158
2015-01-08

Integrated hydrotreating and isomerization process with aromatic separation

#37
20140238929
2014-08-28

Process for preparing an aromatic amine and apparatus therefor

#38
20140163294
2014-06-12

Process and vessel for removing one or more sulfur compounds

#39
20140142342
2014-05-22

Liquid-liquid extraction column containing two distinct types of plates

#40
20140138285
2014-05-22

Liquid-liquid extraction column using plates equipped with a pressure drop generator element

#41
20140061021
2014-03-06

Methods and extraction units employing vapor draw compositional analysis

#42
20140014593
2014-01-16

Contactor and separation apparatus and process of using same

#43
20130099428
2013-04-25

Composite material and method for making

#44
20130062256
2013-03-14

Integrated hydrotreating and isomerization process with aromatic separation

#45
20130062252
2013-03-14

Selective series-flow hydroprocessing system and method

#46
20130062251
2013-03-14

Selective two-stage hydroprocessing system and method

#47
20120197057
2012-08-02

Solvent quality control in extraction processes

#48
20120083626
2012-04-05

Process for preparing an aromatic amine and apparatus therefor

#49
20120073951
2012-03-29

Methods and extraction units employing vapor draw compositional analysis

#50
20120055874
2012-03-08

Method and device for contacting two immiscible liquids without mixing them

#51
20120016140
2012-01-19

Plate Fin Fluid Processing Device

#52
20110210457
2011-09-01

Contactor

#53
20110155644
2011-06-30

Process for removing metals from vacuum gas oil

#54
20110147305
2011-06-23

LIQUID-LIQUID EXTRACTION TOWER HAVING CENTER FEED INLET AND PROCESS

#55
20100096321
2010-04-22

Apparatus and methods for separating a hydrocarbon

#56
20090032468
2009-02-05

Methods for Removal of Lipids from Fluids

#57
20090014385
2009-01-15

Plate fin fluid processing device

#58
20080233238
2008-09-25

SUPERCRITICAL CO2 CARROT FEEDSTOCK EXTRACTION

#59
20080203022
2008-08-28

Systems and Methods Using Multiple Solvents for the Removal of Lipids from Fluids

#60
20080149572
2008-06-26

Systems and Methods Using Multiple Solvents for the Removal of Lipids from Fluids

#61
20070246423
2007-10-25

Systems and methods using multiple solvents for the removal of lipids from fluids

#62
20070039887
2007-02-22

Hollow fiber contactor systems for removal of lipids from fluids

#63
20060081535
2006-04-20

Materials treatment

#64
20060000776
2006-01-05

Hollow fiber contactor systems for removal of lipids from fluids

#65
20050133450
2005-06-23

Hollow fiber contactor systems for removal of lipids from fluids

#66
20050045558
2005-03-03

Liquid—liquid extraction apparatus and method