ClassID:

30745

B01D2311/2623 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control; Further operations combined with membrane separation processes Ion-Exchange

Recent Application in this class:
#1
20260138092
2026-05-21

Diagnostic Methods and Apparatus for Electrodialysis

#2
20260092000
2026-04-02

Methods and Systems for Treating Phosphogypsum-Containing Water

#3
20260049127
2026-02-19

METHODS TO PRODUCE A HUMAN PLASMA-DERIVED IGG PREPARATION ENRICHED IN BRAIN DISEASE-RELATED NATURAL IGGS

#4
20250352957
2025-11-20

COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING SAME

#5
20250229234
2025-07-17

CERAMIC MEMBRANE PRODUCED BY BINDER JETTING

#6
20250188119
2025-06-12

METHOD FOR REMOVING FXI WHEN PURIFYING PLASMA PROTEINS

#7
20250073636
2025-03-06

Membrane-based processing for ambient water-group species captured on the Moon and in space

#8
20250050274
2025-02-13

APPARATUS AND PROCESS FOR MONOVALENT ION EXTRACTION

#9
20250010242
2025-01-09

REVERSE OSMOSIS CENTRIFUGE

#10
20240375051
2024-11-14

DIAGNOSTIC METHODS AND APPARATUS FOR ELECTRODIALYSIS

#11
20240301533
2024-09-12

METAL RECOVERY SYSTEM AND METAL RECOVERY METHOD

#12
20240286081
2024-08-29

SEPARATION OF HUMAN MILK OLIGOSACCHARIDES FROM A FERMENTATION BROTH

#13
20240181392
2024-06-06

IMPROVED REVERSE OSMOSIS OR NANOFILTRATION PROCESS FOR CLEANING WATER

#14
20240165562
2024-05-23

REVERSE OSMOSIS OR NANOFILTRATION PROCESS FOR CLEANING WATER

#15
20240075428
2024-03-07

Reverse osmosis or nanofiltration process for cleaning water

#16
20240050898
2024-02-15

Filtering device, purification device, and method for manufacturing chemical liquid

#17
20240024820
2024-01-25

Reverse osmosis centrifuge

#18
20230356151
2023-11-09

FILTER DEVICE, PURIFICATION DEVICE, CHEMICAL SOLUTION PRODUCTION METHOD

#19
20230338898
2023-10-26

PAPER-BASED MICRO-CONCENTRATOR, BIOLOGICAL SAMPLE DETECTION DEVICE AND BIOLOGICAL SAMPLE DETECTION METHOD

#20
20230295019
2023-09-21

Hybrid electrochemical and membrane-based processes for treating water with high silica concentrations

#21
20230285902
2023-09-14

Diagnostic methods and apparatus for electrodialysis

#22
20230257331
2023-08-17

Systems and Methods for Purifying Solvents

#23
20230174399
2023-06-08

WATER TREATMENT METHOD, WATER TREATMENT DEVICE AND SLIME INHIBITOR FOR MEMBRANES

#24
20230148644
2023-05-18

Spray-Dried Tetrasaccharides

#25
20230079633
2023-03-16

OPTIMIZED METHOD FOR BEVACIZUMAB PURIFICATION

#26
20220348487
2022-11-03

Methods and systems for zero liquid discharge recycling of waste generated from manufacturing operations

#27
20220340942
2022-10-27

SEPARATION OF NEUTRAL OLIGOSACCHARIDES FROM FERMENTATION BROTH

#28
20220324896
2022-10-13

Method for separation and purification of n-acetylglucosamine

#29
20220314169
2022-10-06

Reverse osmosis centrifuge

#30
20220280898
2022-09-08

Water conditioning systems

#31
20220275024
2022-09-01

Process for Purifying Monoclocal Antibodies

#32
20220251138
2022-08-11

PROCESSES FOR OBTAINING A HIGHLY CONCENTRATED ANTIBODY SOLUTION

#33
20220250958
2022-08-11

Preparation method for recycling inorganic salt in printing and dyeing wastewater

#34
20220212962
2022-07-07

DIALYSIS SOLUTION REGENERATION METHOD

#35
20220162104
2022-05-26

Apparatus for removing boron, method for removing boron, apparatus for producing pure water and method for producing pure water

#36
20220144655
2022-05-12

Method for concentrating and purifying eluate brine for the production of a purified lithium compound

#37
20220135620
2022-05-05

PURIFICATION PLATFORMS FOR OBTAINING PHARMACEUTICAL COMPOSITIONS HAVING A REDUCED HYDROLYTIC ENZYME ACTIVITY RATE

#38
20220106358
2022-04-07

CONTINUOUS VIRUS RETENTIVE FILTRATION

#39
20220073393
2022-03-10

Methods and Systems for Treating Phosphogypsum-Containing Water

#40
20220040640
2022-02-10

Water conditioning systems having diversion devices

#41
20210386083
2021-12-16

METHOD FOR PRODUCING A PHOSPHOLIPID CONCENTRATE FROM A DAIRY COMPOSITION

#42
20210381068
2021-12-09

Tagatose and galactose syrup

#43
20210363179
2021-11-25

METHOD FOR REMOVING FXI WHEN PURIFYING PLASMA PROTEINS

#44
20210339199
2021-11-04

ACIDIC TREATMENT LIQUID PROCESSING APPARATUS, ACIDIC TREATMENT LIQUID PROCESSING METHOD, SURFACE TREATMENT SYSTEM, AND SURFACE TREATMENT METHOD

#45
20210339198
2021-11-04

ACIDIC TREATMENT LIQUID PROCESSING APPARATUS AND ACIDIC TREATMENT LIQUID PROCESSING METHOD

#46
20210323852
2021-10-21

Methods and Systems for Treating Phosphogypsum-Containing Water

#47
20210300851
2021-09-30

Systems and methods for purifying solvents

#48
20210300850
2021-09-30

Systems and methods for purifying solvents

#49
20210299612
2021-09-30

Reverse osmosis or nanofiltration process for cleaning water

#50
20210261445
2021-08-26

Method of removing boron from water to be treated, boron-removing system, ultrapure water production system, and method of measuring concentration of boron

#51
20210230656
2021-07-29

PRODUCTION OF OLIGOSACCHARIDES

#52
20210220754
2021-07-22

Systems and methods for purifying solvents

#53
20210213389
2021-07-15

Biomimetically designed modular microfluidic-based capillaries and lymphatic units for kidney and liver dialysis systems, organ bio-reactors and bio-artificial organ support systems

#54
20210171992
2021-06-10

Spray-dried 3-fucosyllactose

#55
20210094846
2021-04-01

Hybrid electrochemical and membrane-based processes for treating water with high silica concentrations

#56
20210054058
2021-02-25

METHODS TO PRODUCE A HUMAN PLASMA-DERIVED IGG PREPARATION ENRICHED IN BRAIN DISEASE-RELATED NATURAL IGGS

#57
20210024395
2021-01-28

High salinity water purification processes and systems

#58
20200404947
2020-12-31

PROTEIN HYDROLYSATE AND PROCESS FOR MAKING SUCH

#59
20200398221
2020-12-24

Method for purifying and recovering solvent from ion exchange processes

#60
20200392476
2020-12-17

Multilayer nano-cell

#61
20200384413
2020-12-10

Water conditioning systems

#62
20200384041
2020-12-10

SPRAY-DRIED SIALYLLACTOSE

#63
20200383367
2020-12-10

SPRAY-DRIED MIXTURE OF HUMAN MILK OLIGOSACCHARIDES

#64
20200370031
2020-11-26

Multilayer nano-cell containing biomolecules

#65
20200368691
2020-11-26

Filtering device, purification device, and method for manufacturing chemical liquid

#66
20200360862
2020-11-19

Filter device, purification device, chemical solution production method

#67
20200355586
2020-11-12

Analyzing method and analyzing apparatus for urea

#68
20200331777
2020-10-22

Method for treating produced water

#69
20200299165
2020-09-24

Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters

#70
20200290873
2020-09-17

AQUEOUS HYDROGEN PEROXIDE PURIFICATION METHOD AND PURIFICATION SYSTEM

#71
20200207823
2020-07-02

PROCESS FOR PRODUCING, ISOLATING, AND PURIFYING MODIFIED RECOMBINANT PROTEINS

#72
20200171436
2020-06-04

ULTRAPURE-WATER PRODUCTION SYSTEM

#73
20200171434
2020-06-04

Chemical liquid purification method

#74
20200156964
2020-05-21

Membrane-based processing for ambient water-group species captured on the moon and in space

#75
20200156005
2020-05-21

Systems and methods for purifying solvents

#76
20200147549
2020-05-14

Water conditioning systems having diversion devices

#77
20200114314
2020-04-16

Diagnostic methods and apparatus for electrodialysis

#78
20190359512
2019-11-28

System for removing minerals from a brine

#79
20190308117
2019-10-10

Chemical liquid manufacturing apparatus

#80
20190256987
2019-08-22

Integrated system for lithium extraction and conversion

#81
20190219924
2019-07-18

Chemical liquid, chemical liquid storage body, manufacturing method of chemical liquid, and manufacturing method of chemical liquid storage body

#82
20190218523
2019-07-18

REMOVAL OF CONTAMINATING VIRUSES FROM AAV PREPARATIONS

#83
20190166865
2019-06-06

Method of producing lactic acid

#84
20190119314
2019-04-25

Separation of oligosaccharides from fermentation broth

#85
20190055508
2019-02-21

Manufacturing facility for the production of biopharmaceuticals

#86
20190031698
2019-01-31

Separation of oligosaccharides from fermentation broth

#87
20190022591
2019-01-24

Fluid purification by forward osmosis, ion exchange and re-concentration

#88
20180333678
2018-11-22

Reverse osmosis or nanofiltration process for cleaning water

#89
20180304202
2018-10-25

Integrated ultrafiltration membrane and ion-exchange filtration system

#90
20180265387
2018-09-20

Method for purifying water as well as plant suitable for said method

#91
20180251386
2018-09-06

Subsea equipment cleaning system and method

#92
20180127462
2018-05-10

Method for extracting epsilon-polylysine and its hydrochloride salt from fermentation broth

#93
20180100143
2018-04-12

Removal of contaminating viruses from AAV preparations

#94
20180093199
2018-04-05

Process for purification of an organic acid including an electrodialysis treatment step

#95
20180037604
2018-02-08

PROCESS FOR THE PURIFICATION OF RECOMBINANT PROTEINS

#96
20180028978
2018-02-01

Methods and systems for treating high temperature produced water

#97
20180009680
2018-01-11

Purification device and purification method for water utilizing filter cartridges

#98
20180002363
2018-01-04

Separation of oligosaccharides from fermentation broth

#99
20170327396
2017-11-16

Ultrapure water production apparatus and ultrapure water production method

#100
20170296971
2017-10-19

Ion-exchange process

#101
20170267550
2017-09-21

ULTRAPURE WATER PRODUCING METHOD

#102
20170252701
2017-09-07

Biomimetically designed modular microfluidic-based capillaries and lymphatic units for kidney and liver dialysis systems, organ bio-reactors and bio-artificial organ support systems

#103
20170247770
2017-08-31

Method for purifying oses without adjusting pH

#104
20170247266
2017-08-31

Water treatment assembly including hyperfiltration module and cation exchange resin

#105
20170218051
2017-08-03

Methods to produce a human plasma-derived IgG preparation enriched in brain disease-related natural iggs

#106
20170217871
2017-08-03

Method and apparatus for concentration and crystallization of fermentable carboxylic acids

#107
20170210656
2017-07-27

Water treatment systems and methods

#108
20170209810
2017-07-27

SYSTEM AND METHOD FOR MANIPULATION OF ION CONCENTRATION TO MAXIMIZE EFFICIENCY OF ION EXCHANGE

#109
20170146507
2017-05-25

Method for detecting albumin based on colorimetric assay and system thereof

#110
20170137304
2017-05-18

Water conditioning systems

#111
20170137303
2017-05-18

Water conditioning systems having diversion devices

#112
20170136412
2017-05-18

Fluid conditioning systems having caps with filter cartridge sealing and removal devices and/or locking devices

#113
20170073249
2017-03-16

CONTAINER FOR A FILTER CARTRIDGE AND FILTER SET

#114
20170036171
2017-02-09

Liquid Purification System

#115
20170029293
2017-02-02

Systems and methods for water filtration

#116
20170028351
2017-02-02

SYSTEMS AND METHODS FOR WATER FILTRATION

#117
20170028350
2017-02-02

SYSTEMS AND METHODS FOR WATER FILTRATION

#118
20160279578
2016-09-29

Process for preparing chemical liquid of silylating agent and surface treatment method

#119
20160251239
2016-09-01

Method and apparatus for processing radioactive wastewater

#120
20160250404
2016-09-01

Redox controlled electrosorption and decomposition device for the purification of blood and other fluids

#121
20160175778
2016-06-23

Ion processing device, ion chromatograph provided with the ion processing device, and eluent generator provided with the ion processing device

#122
20160159672
2016-06-09

Ultrapure water production system, ultrapure water production feed system, and method for cleaning thereof

#123
20160096797
2016-04-07

METHOD OF SEPARATING LACTIC ACID OR SALT THEREOF

#124
20160052845
2016-02-25

Process of producing 1,4-butanediol

#125
20150290380
2015-10-15

Integrated device for liver support system

#126
20150273127
2015-10-01

Liver support system

#127
20140342434
2014-11-20

Removal of contaminating viruses from AAV preparations

#128
20140288333
2014-09-25

Process for preparing or recovering acetals or ketals by means of pervaporation

#129
20140163264
2014-06-12

Method and apparatus for purifying alcohol

#130
20140091039
2014-04-03

SYSTEM AND METHOD FOR THE TREATMENT OF HYDRAULIC FRACTURING BACKFLOW WATER

#131
20140039180
2014-02-06

Mannose production from palm kernel meal using simulated moving bed separation

#132
20130118984
2013-05-16

Process and system for treating water

#133
20130062289
2013-03-14

Treatment of phosphate-containing wastewater

#134
20130043190
2013-02-21

High recovery drinking water process

#135
20130032535
2013-02-07

Enhanced high water recovery membrane process

#136
20120273418
2012-11-01

BORON RECOVERY TREATMENT METHOD

#137
20120255908
2012-10-11

Water conservation methods combining osmotic membrane processed water for subsequent efficient use in cooling tower applications

#138
20120206549
2012-08-16

WASTEWATER PURIFYING SYSTEM, WASHING DEVICE, AND INKJET PRINTER SYSTEM

#139
20120103905
2012-05-03

Microfiltration method and system

#140
20120018377
2012-01-26

Dialysate regeneration system for portable human dialysis

#141
20110315631
2011-12-29

Multi-use high water recovery process

#142
20110278225
2011-11-17

METHOD FOR PURIFYING WATER BY CYCLIC IONIC EXCHANGE

#143
20110266224
2011-11-03

Enhanced high water recovery membrane process

#144
20110217227
2011-09-08

Combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals

#145
20110168629
2011-07-14

Process for recovering heavy oil utilizing one or more membranes

#146
20110163031
2011-07-07

Method and apparatus for recovery of water containing silica

#147
20110152583
2011-06-23

Purification of biologically-produced 1,3-propanediol

#148
20110152581
2011-06-23

Purification Of Biologically-Produced 1,3-Propanediol

#149
20110094965
2011-04-28

Enhanced high water recovery membrane process

#150
20110094963
2011-04-28

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#151
20110005749
2011-01-13

Water processing system and methods

#152
20100320136
2010-12-23

Device for separating out radioisotope thallium-201

#153
20100317891
2010-12-16

METHOD FOR THE PURIFICATION OF ORGANIC ACIDS

#154
20100282675
2010-11-11

SYSTEM AND METHOD FOR REVERSIBLE CATION-EXCHANGE DESALINATION

#155
20100240915
2010-09-23

Pre-Treatment of Crude Alcohol or Furan Feed to a Vapor Permeation Apparatus

#156
20100224575
2010-09-09

Device and Method for Processing Cleaning Fluids

#157
20100181252
2010-07-22

METHOD AND SYSTEM FOR PURIFYING A LIQUID COMPRISING CRYSTAL INHIBITOR RECOVERY

#158
20100163487
2010-07-01

Method for recovering a used slurry

#159
20100116663
2010-05-13

Recovery of regenerant electrolyte

#160
20100044311
2010-02-25

Method and apparatus for further purifying ultrapure water

#161
20090255673
2009-10-15

Process for recovering heavy oil utilizing one or more membranes

#162
20090204419
2009-08-13

Purification of Oil Field Production Water for Beneficial Use

#163
20090173692
2009-07-09

Water treatment process for oilfield produced water

#164
20090056940
2009-03-05

Process for recovering heavy oil utilizing one or more membranes

#165
20090020471
2009-01-22

Dialysate regeneration system for portable human dialysis

#166
20080290033
2008-11-27

METHOD AND APPARATUS FOR RECOVERY OF WATER CONTAINING SILICA

#167
20080277344
2008-11-13

Brackish and sea water desalination using a hybrid ion exchange-nanofiltration process

#168
20080227171
2008-09-18

Process for producing lactoperoxidase

#169
20080210606
2008-09-04

Filtration System Preparation of Fluids for Medical Applications

#170
20070090050
2007-04-26

METHOD AND APPARATUS FOR TREATMENT OF A FLUID STREAM

#171
20070017810
2007-01-25

Microfluidic device for electrochemically regulating pH of fluid therein and method of regulating pH of fluid using the microfluidic device

#172
20060231406
2006-10-19

Regeneration of adsorption media within electrical purification apparatuses

#173
20060204654
2006-09-14

Method of making a composite membrane

#174
20060138050
2006-06-29

Method and apparatus for metal removal by ion exchange

#175
20060107946
2006-05-25

Method of preparing granulated sugar from an aqueous sugar solution containing monovalent and polyvalent anions and cations

#176
20060024839
2006-02-02

Inorganic carbon removal

#177
20050274674
2005-12-15

Method and apparatus for treatment of a fluid stream

#178
20050211632
2005-09-29

Base dosing water purification system and method

#179
20050211240
2005-09-29

Method for purifying by nanofiltration an aqueous sugary solution containing monovalent and polyvalent anions and cations

#180
20050150832
2005-07-14

Dialysate regeneration system for portable human dialysis

#181
20050069997
2005-03-31

Purification of biologically-produced 1,3-propanediol

#182
17245333
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#183
17245276
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#184
17083885
2023-09-26

Process for boron removal from water

#185
15473003
2020-06-16

Process to remove transition metals from waste water