ClassID:

28542

B01D2011/002 - CPC Classification

Classification description:

Solvent extraction Counter-current extraction

Recent Application in this class:
#1
20260054196
2026-02-26

APPARATUS AND PROCESSES FOR SOLVENT EXTRACTION OF COAL

#2
20260042036
2026-02-12

METHOD FOR SELECTIVELY EXTRACTING A SALT TO BE EXTRACTED FROM SALTWATER OR BRINE

#3
20250367161
2025-12-04

Process For Production Of Essentially Pure Delta-9-Tetrahydrocannabinol

#4
20250288922
2025-09-18

EXTRACTION COLUMN HAVING ALTERNATING COMPARTMENT HEIGHTS

#5
20250160359
2025-05-22

Preparation of Non-Soy Oilseed Protein Products ("*810")

#6
20250121299
2025-04-17

EXTRACTOR

#7
20250058248
2025-02-20

LIQUID-LIQUID EXTRACTION COLUMN WITH VARIABLE INTER-TRAY SPACE

#8
20250000840
2025-01-02

Process for production of essentially pure delta-9-tetrahydrocannabinol

#9
20240269580
2024-08-15

LIQUID-LIQUID EXTRACTION DEVICE

#10
20240183077
2024-06-06

Decorticator and decorticating process

#11
20240116773
2024-04-11

METHOD FOR PREPARING HIGH PURITY VANADIUM PENTOXIDE FROM VANADIUM-BEARING SHALE BY ALL-WET PROCESS

#12
20240042347
2024-02-08

Extraction Of Guayule Resin

#13
20240025871
2024-01-25

METHODS AND SYSTEMS FOR PRODUCTION OF FURFURAL

#14
20230415069
2023-12-28

COUNTERCURRENT EXTRACTION DEVICE FOR SPINNING

#15
20230405489
2023-12-21

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

#16
20230279265
2023-09-07

METHOD OF EXTRACTION

#17
20230151278
2023-05-18

FEEDSTOCK PROCESSING METHOD AND SYSTEM

#18
20230149342
2023-05-18

Process for production of essentially pure delta-9-tetrahydrocannabinol

#19
20220194905
2022-06-23

Method and apparatus for continuous post-treatment of benzotriazole synthetic fluid

#20
20220176181
2022-06-09

Timber remediation

#21
20220152521
2022-05-19

System and process for extraction of products from apple peel

#22
20220142201
2022-05-12

PREPARATION OF NON-SOY OILSEED PROTEIN PRODUCTS ("*810")

#23
20220105447
2022-04-07

Liquid-liquid extractor and battery comprising such extractors

#24
20210274822
2021-09-09

METHOD FOR PREPARING LUO HAN GUO SWEETENING COMPOSITION FROM SIRAITIA GROSVENORII AND USE THEREOF

#25
20210198582
2021-07-01

Process to remove asphaltene from heavy oil by solvent

#26
20210138360
2021-05-13

Extractor and related methods

#27
20210070627
2021-03-11

System and method for processing of minerals containing the lanthanide series and production of rare earth oxides

#28
20210053893
2021-02-25

Method for separating aromatic hydrocarbon using extractive distillation

#29
20200339490
2020-10-29

Method for obtaining pure 1,3-butadiene

#30
20200329739
2020-10-22

Subcritical water extraction of fruit material

#31
20200325549
2020-10-15

Refiner for lactose and high lactose products

#32
20200246720
2020-08-06

System and process for extraction of products from apple peel

#33
20200222830
2020-07-16

Continuous extraction of natural products from plants apparatus and methods

#34
20200139316
2020-05-07

Apparatus including rotor and stator having teeth with surfaces of a parabolic profile and method for enhancing phase contact and chemical reactions

#35
20190380378
2019-12-19

PURIFICATION OF NICOTINE

#36
20190323096
2019-10-24

Methods of refining a lignocellulosic hydrolysate

#37
20190309005
2019-10-10

Liquid-liquid extraction of DMF

#38
20190232193
2019-08-01

Process for purifying an aqueous solution comprising diethylacetal

#39
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

#40
20190224587
2019-07-25

Extractor and related methods

#41
20190046896
2019-02-14

Liquid-liquid contact device and liquid-liquid contact method

#42
20180236374
2018-08-23

System and process for extraction of products from apple peel

#43
20180220680
2018-08-09

Subcritical water extraction of fruit material

#44
20180170864
2018-06-21

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

#45
20180147247
2018-05-31

METHOD FOR PREPARATION OF A CANNABINOID EXTRACT FROM HEMP

#46
20180022870
2018-01-25

Process and device for producing polyamides, with optimized flow guidance

#47
20170341508
2017-11-30

Adjusting a fuel on-board a vehicle

#48
20170313640
2017-11-02

Process for the separation of glycols

#49
20170282708
2017-10-05

Adjusting a fuel on-board a vehicle

#50
20170259187
2017-09-14

Extraction Column and Process for Use Thereof

#51
20170252671
2017-09-07

Extractor and related methods

#52
20170197909
2017-07-13

Enhanced extraction of impurities from mixture comprising nitriles

#53
20170174998
2017-06-22

EXTRACTION SYSTEM AND PROCESS FOR REMOVAL OF CONTAMINANTS FROM SOLID MATERIALS

#54
20170113161
2017-04-27

Extraction apparatus and method thereof

#55
20170058947
2017-03-02

Bearing assembly for extractor systems

#56
20160376204
2016-12-29

Method for Reclaiming Usable Products from Biosolids

#57
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

#58
20160304986
2016-10-20

Liquid-liquid extraction unit, multistage liquid-liquid extraction apparatus using the unit, and multistage continuous extraction system for rare earth elements

#59
20160251302
2016-09-01

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

#60
20160250565
2016-09-01

Extraction and separation method

#61
20160230483
2016-08-11

Methods and apparatus for counter-current leaching of finely divided solids

#62
20160184735
2016-06-30

3D printed modular centrifugal contactors and method for separating moieties using 3D printed optimized surfaces

#63
20160089617
2016-03-31

Extended residence time centrifugal contactor design modification and centrifugal contactor vane plate valving apparatus for extending mixing zone residence time

#64
20160083406
2016-03-24

Extraction solvent control for reducing stable emulsions

#65
20160066606
2016-03-10

SEQUENTIAL EXTRACTION PROCESS

#66
20150375139
2015-12-31

An Extraction Column and Process for Use Thereof

#67
20150314217
2015-11-05

Liquid-liquid extraction system and process for use thereof

#68
20150291637
2015-10-15

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

#69
20150217209
2015-08-06

System and process for extraction of products from apple peel

#70
20150166455
2015-06-18

Extraction column and process for extracting a constituent from a fluid

#71
20150051414
2015-02-19

Lipid extraction

#72
20150034474
2015-02-05

Process for obtaining food grade hexane

#73
20140311977
2014-10-23

USE OF ORGANIC SOLVENT NANOFILTRATION AND LIQUID-LIQUID CHROMATOGRAPHY FOR THE RECOVERY OF PHARMACEUTICAL PRODUCTS

#74
20130256092
2013-10-03

Oil from oil sands extraction process

#75
20120190840
2012-07-26

Process for the production of alcohols

#76
20120070538
2012-03-22

Sequential extraction process

#77
20100285574
2010-11-11

Biomass hydrothermal decomposition apparatus and method

#78
20080226541
2008-09-18

Recovery of Aqueous Hydrogen Peroxide in Auto-Oxidation H2O2 Production

#79
16709648
2020-09-08

Systems, methods, and equipment for chemical extraction