ClassID:

30008

B01D71/28 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material Polymers of vinyl aromatic compounds

Recent Application in this class:
#1
20260077301
2026-03-19

INTEGRATED MEMBRANE SEPARATION UNIT

#2
20250249411
2025-08-07

NANOPOROUS SELECTIVE SOL-GEL CERAMIC MEMBRANES

#3
20250144569
2025-05-08

Bipolar Membranes

#4
20250073649
2025-03-06

MONOVALENT SELECTIVE ANION EXCHANGE MEMBRANE FOR APPLICATION IN LITHIUM EXTRACTION FROM NATURAL SOURCES

#5
20240417285
2024-12-19

MONOVALENT ANION SELECTIVE MEMBRANE ENABLED BY HIGH CONCENTRATION BRINE

#6
20240058765
2024-02-22

CERAMIC PROTON-CONDUCTING MEMBRANES

#7
20240052080
2024-02-15

MATERIALS FOR REDUCING ACIDS FROM LIQUID PHASES

#8
20240050898
2024-02-15

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

#9
20240024826
2024-01-25

Nanoporous selective sol-gel ceramic membranes

#10
20230338902
2023-10-26

DIFFUSION TRANSFER FUNCTIONALIZED MEMBRANE

#11
20230241003
2023-08-03

ANTIMICROBIAL WIPE

#12
20230107868
2023-04-06

Membranes and Their Uses

#13
20230067288
2023-03-02

BIPOLAR MEMBRANE

#14
20230015162
2023-01-19

MICROFILTRATION MEMBRANE

#15
20230001350
2023-01-05

FLUORINATED NANOPOROUS MOLECULAR SIEVE MEMBRANES FOR EFFICIENT GAS SEPARATION

#16
20220411596
2022-12-29

Multiblock copolymer films, methods of making same, and uses thereof

#17
20220379266
2022-12-01

POLYMER-BASED FILM, PREPARATION METHOD THEREFOR, AND USE THEREOF

#18
20220307732
2022-09-29

Anionic electrochemical compressor and refrigeration system employing same

#19
20220251366
2022-08-11

Isoporous self-assembled block copolymer films containing high molecular weight hydrophilic additives and methods of making the same

#20
20220241731
2022-08-04

Block Copolymer Templated Crazing for Membrane Separation

#21
20220235306
2022-07-28

Surface modified separation media

#22
20220212183
2022-07-07

Cross-linked high stable anion exchange blend membranes with polyethyleneglycols as hydrophilic membrane phase

#23
20220118402
2022-04-21

CARBON DIOXIDE ENVIRONMENTAL CONTROL SYSTEM

#24
20220097008
2022-03-31

CHARGED ISOPOROUS MATERIALS FOR ELECTROSTATIC SEPARATIONS

#25
20220088546
2022-03-24

Porous Membranes Including Triblock Copolymers

#26
20220088545
2022-03-24

MEMBRANE WITH IMMOBILIZED ANTICOAGULANT AND PROCESS FOR PRODUCING SAME

#27
20220062828
2022-03-03

Monovalent Selective Cation Exchange Membrane

#28
20220056181
2022-02-24

Materials for reducing acids from liquid phases

#29
20220054985
2022-02-24

CERAMIC PROTON-CONDUCTING MEMBRANES

#30
20220016579
2022-01-20

POLYMER ELECTROLYTE MEMBRANE AND METHOD FOR MANUFACTURING THE SAME

#31
20210387147
2021-12-16

Composite material for removal of hydrophobic components from fluid mixtures

#32
20210362095
2021-11-25

NANOPOROUS SELECTIVE SOL-GEL CERAMIC MEMBRANES

#33
20210299650
2021-09-30

DOPED ANION EXCHANGE MEMBRANES (AEMs) FOR HIGHLY SELECTIVE SEPARATORS IN ELECTROCHEMICAL DEVICES

#34
20210205765
2021-07-08

ISOPOROUS MEMBRANES INCLUDING CROSSLINKED MULTIBLOCK COPOLYMERS

#35
20210197133
2021-07-01

POROUS MEMBRANE

#36
20210197129
2021-07-01

Method Of Producing A Polymeric Membrane

#37
20210187446
2021-06-24

Ion-exchange membrane

#38
20210170342
2021-06-10

FUNCTIONALIZED POLYMERIC MEMBRANES FOR THE SEPARATION, RECOVERY, AND/OR PURIFICATION OF ANTIBODIES

#39
20210129110
2021-05-06

POLYCATIONIC MICROFIBERS AND METHODS OF USING THE SAME

#40
20210113971
2021-04-22

Multi-layer membrane containing mixed polyamide selective layer and methods of making thereof

#41
20210108067
2021-04-15

CROSSLINKING OF AROMATIC POLYMERS FOR ANION EXCHANGE MEMBRANES

#42
20210079149
2021-03-18

Porous membranes including triblock copolymers

#43
20210040281
2021-02-11

FREE STANDING PLEATABLE BLOCK COPOLYMER MATERIALS AND METHOD OF MAKING THE SAME

#44
20210039054
2021-02-11

Zwitterion-containing membranes

#45
20200407515
2020-12-31

GEL HAVING INTERPENETRATING NETWORK

#46
20200368691
2020-11-26

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

#47
20200353425
2020-11-12

Synthetic membranes and methods of use thereof

#48
20200339770
2020-10-29

Multiblock copolymer films, methods of making same, and uses thereof

#49
20200324250
2020-10-15

Assembly of charge mosaic membranes from ionic polymers

#50
20200287188
2020-09-10

Block copolymer separators with nano-channels for lithium-ion batteries

#51
20200261856
2020-08-20

CERAMIC PROTON-CONDUCTING MEMBRANES

#52
20200261855
2020-08-20

ASYMMETRIC COMPOSITE MEMBRANES AND USES THEREOF

#53
20200238227
2020-07-30

POROUS MATERIALS FROM COMPLEX BLOCK COPOLYMER ARCHITECTURES

#54
20200216618
2020-07-09

Films derived from two or more chemically distinct block copolymers, methods of making same, and uses thereof

#55
20200164317
2020-05-28

Porous polyelectrolyte complex films and foams and related methods

#56
20200147557
2020-05-14

Diffusion transfer functionalized membrane

#57
20200139308
2020-05-07

Synthetic membranes and methods of use thereof

#58
20200139305
2020-05-07

Filter For Separating Hydrophilic And Hydrophobic Fluids And Method For The Production Thereof

#59
20200122091
2020-04-23

Polystyrene-b-polyethylene oxide block copolymer membranes, methods of making, and methods of use

#60
20200101423
2020-04-02

NANOPOUROUS SELECTIVE SOL-GEL CERAMIC MEMBRANES

#61
20200070101
2020-03-05

Method for preparing isoporous hollow fiber composite membranes

#62
20200062882
2020-02-27

ULTRAHIGH MOLECULAR WEIGHT BLOCK COPOLYMERS AND POLYMERS, METHODS OF MAKING SAME, AND USES OF SAME

#63
20200030787
2020-01-30

Ion-Conducting Membranes

#64
20200030752
2020-01-30

MEMBRANES FOR GAS SEPARATION

#65
20200023348
2020-01-23

Cross-linked high stable anion exchange blend membranes with polyethyleneglycols as hydrophilic membrane phase

#66
20200023288
2020-01-23

Chemical liquid purification method, chemical liquid manufacturing method, and chemical liquid

#67
20190375887
2019-12-12

Porous compositions and related methods

#68
20190367723
2019-12-05

Isoporous self-assembled block copolymer films containing high molecular weight hydrophilic additives and methods of making the same

#69
20190308141
2019-10-10

Autonomous localized permeability material systems and methods for using and making same

#70
20190282968
2019-09-19

Method for preparing high-strength anti-pollution antibacterial hollow fiber membrane and product prepared therefrom

#71
20190176098
2019-06-13

Ion-exchange membrane

#72
20190162638
2019-05-30

Passive sampler and methods of making

#73
20190151796
2019-05-23

Carbon dioxide environmental control system

#74
20190148085
2019-05-16

Apparatus for generating electrical energy based on hydrophilic fiber membrane and method of fabricating same

#75
20190126212
2019-05-02

Humidifying membrane for reverse electrodialysis and method for manufacturing the same

#76
20190118144
2019-04-25

BIPOLAR MEMBRANE

#77
20190092882
2019-03-28

Oxygen permeable polymers, ionomers and methods of making the same

#78
20190070567
2019-03-07

Synthetic membranes and methods of use thereof

#79
20190060844
2019-02-28

High flux reverse osmosis membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for water purification

#80
20190039030
2019-02-07

Charged isoporous materials for electrostatic separations

#81
20190031835
2019-01-31

Thermoplastic elastomer hydrogels

#82
20190022595
2019-01-24

A METHOD OF FORMING A THIN FILM THROUGH-HOLE MEMBRANE

#83
20190016851
2019-01-17

Poly(phenylene) and m-Terphenyl as protecting groups for benzimidazolium hydroxides

#84
20190015789
2019-01-17

Antifouling and antimicrobial coatings for thin film composite membranes

#85
20180345230
2018-12-06

High permeance and high selectivity facilitated transport membranes for olefin/paraffin separations

#86
20180326363
2018-11-15

Homogeneous cation-exchange composite membrane having excellent chemical resistance and method for producing the same

#87
20180326359
2018-11-15

Layered Membrane and Methods of Preparation Thereof

#88
20180318773
2018-11-08

COMPOSITE MATERIAL COMPRISING A NON-CROSSLINKED GEL POLYMER

#89
20180280832
2018-10-04

Integrated membrane device

#90
20180236287
2018-08-23

Ultra-breathable and protective membranes with sub-5 nm carbon nanotube pores

#91
20180224416
2018-08-09

GAS SENSOR AND METHOD OF MANUFACTURING THE SAME

#92
20180117535
2018-05-03

Ceramic proton-conducting membranes

#93
20180090777
2018-03-29

Ceramic proton-conducting membranes

#94
20180078908
2018-03-22

Fluoropolymers and membranes comprising fluoropolymers (III)

#95
20180058729
2018-03-01

Anionic electrochemical compressor and refrigeration system employing same

#96
20180056245
2018-03-01

Processes for reducing the fouling of surfaces

#97
20180050933
2018-02-22

METHODS FOR RECLAIMING PRODUCED WATER

#98
20180043345
2018-02-15

Ion-exchange membrane with multi-layered support substrate

#99
20180043313
2018-02-15

Fluoropolymers and membranes comprising fluoropolymers (I)

#100
20170362720
2017-12-21

Electrochemical Compression of Ammonia Using Ion Exchange Membranes

#101
20170327649
2017-11-16

Films derived from two or more chemically distinct block copolymers, methods of making same, and uses thereof

#102
20170312698
2017-11-02

Synthetic membranes and methods of use thereof

#103
20170274377
2017-09-28

Micro nanoporous membrane, preparing method thereof and microfluidic device using thereof

#104
20170266626
2017-09-21

Porous membrane

#105
20170189864
2017-07-06

SELECTIVE PHENOL REMOVAL MEMBRANES AND VALORIZATION OF OLIVE OIL WASTE STREAMS

#106
20170152361
2017-06-01

FUNCTIONAL POLYMER MEMBRANE, PRODUCTION METHOD THEREOF, AND STACK OR DEVICE PROVIDED WITH FUNCTIONAL POLYMER MEMBRANE

#107
20170151584
2017-06-01

Porous resin structures

#108
20170056839
2017-03-02

Membranes for gas separation

#109
20170056835
2017-03-02

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#110
20170022337
2017-01-26

Multiblock copolymer films, methods of making same, and uses thereof

#111
20170021310
2017-01-26

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#112
20170007957
2017-01-12

Removal of carbon dioxide from air

#113
20170001151
2017-01-05

Antifouling and antimicrobial coatings for thin film composite membranes

#114
20160375412
2016-12-29

Self-wetting porous membranes (II)

#115
20160369073
2016-12-22

Functional polymer membrane and method for producing same

#116
20160346741
2016-12-01

Anion exchange membranes and process for making

#117
20160304444
2016-10-20

Method for separating isocyanate monomers

#118
20160303523
2016-10-20

Zwitterion-containing membranes

#119
20160250600
2016-09-01

Polystyrene-b-polyethylene oxide block copolymer membranes, methods of making, and methods of use

#120
20160244630
2016-08-25

Nanoparticle and gelation stabilized functional composites of an ionic salt in a hydrophobic polymer matrix

#121
20160243539
2016-08-25

Process for the preparation of anion exchange membrane

#122
20160229969
2016-08-11

MULTIBLOCK COPOLYMER FILMS WITH INORGANIC NANOPARTICLES, METHODS OF MAKING SAME, AND USES THEREOF

#123
20160220968
2016-08-04

Water-treatment separation membrane comprising ionic exchangeable polymer layer and method for forming same

#124
20160207009
2016-07-21

Permselective asymmetric membranes

#125
20160175764
2016-06-23

Imidazolium-based room-temperature ionic liquids, polymers, monomers and membranes incorporating same

#126
20160166993
2016-06-16

Polyamide-based water-treatment separation membrane having excellent durability, and manufacturing method therefor

#127
20160137796
2016-05-19

Ionomeric cross-linkers and membranes formed therefrom

#128
20160038885
2016-02-11

High performance membranes for water reclamation using polymeric and nanomaterials

#129
20160023171
2016-01-28

Multiblock copolymers and methods of use

#130
20150336058
2015-11-26

NANOPOROUS FILTRATION MEMBRANES

#131
20150290592
2015-10-15

Polymeric molecular sieve membranes for gas separation

#132
20150182920
2015-07-02

Nanocomposite polymer-carbon based nanomaterial filters for the simultaneous removal of bacteria and heavy metals

#133
20150151256
2015-06-04

MEMBRANE WITH AN ISOPOROUS, ACTIVE SEPARATION LAYER, AND METHOD FOR PRODUCING A MEMBRANE

#134
20150122121
2015-05-07

Crosslinked polymer compositions, gas separation membranes of such crosslinked polymer compositions, methods of making such membranes, and methods of separating gases using such membranes

#135
20140364567
2014-12-11

Styrene-siloxane triblock copolymers as membranes for selective transport of alcohols and other organic compounds in aqueous mixtures

#136
20140363572
2014-12-11

Composite membrane

#137
20140353241
2014-12-04

RESILIENT ANION EXCHANGE MEMBRANES

#138
20140217012
2014-08-07

Multiblock copolymer films, methods of making same, and uses thereof

#139
20140116248
2014-05-01

Selective gas transport films that contain brominated styrene-butadiene copolymers

#140
20140091034
2014-04-03

NANOPARTICULATE FIBER SOLUTION, ITS FABRICATION PROCESS, AND NANOPARTICULATE FIBER MEMBRANE FILTER

#141
20140083931
2014-03-27

Anti-biofouling Membrane for Water-Treatment

#142
20140083925
2014-03-27

Multi-layer Separation Membrane Formed by Molecular Layer-by-Layer Deposition of Highly Cross-linked Polyamide Films

#143
20140039079
2014-02-06

Porous polymer membrane with covalent network structure and production method thereof

#144
20140014519
2014-01-16

Ion-exchange membrane

#145
20140014518
2014-01-16

Active components and membranes for electrochemical compression

#146
20130323383
2013-12-05

Composite material

#147
20130317128
2013-11-28

Process for making a monomer solution for making cation exchange membranes

#148
20130256229
2013-10-03

Large pore polymeric membrane

#149
20130240437
2013-09-19

Nanocomposite polymer-carbon based nanomaterial filters for the simultaneous removal of bacteria and heavy metals

#150
20130228511
2013-09-05

Antibiofouling composition, antibiofouling membrane and method for forming the same

#151
20130213875
2013-08-22

High flux hollow fiber ultrafiltration membranes and process for the preparation thereof

#152
20130180920
2013-07-18

Nanoporous materials, manufacture of nanoporous materials and applications of nanoporous materials

#153
20130015071
2013-01-17

Modified sulfonated block copolymers and the preparation thereof

#154
20130011249
2013-01-10

MULTI-LAYER FILTER, GAS TURBINE INCLUDING A MULTI-LAYER FILTER, AND PROCESS OF FILTERING

#155
20120267304
2012-10-25

Membrane, method for manufacturing the same, and composite membrane including the same

#156
20120252912
2012-10-04

Process for producing microporous polymeric object, and microporous polymeric object and separation membrane

#157
20120186446
2012-07-26

Imidazolium-based room-temperature ionic liquids, polymers, monomers, and membranes incorporating same

#158
20120181228
2012-07-19

Polyacrylonitrile Copolymer, Method For Manufacturing Membrane Including The Same, Membrane Including The Same, And Water Treatment Module Using The Membrane

#159
20120178835
2012-07-12

USE OF BRANCHED ADDITION COPLYMERS IN FILMS AND MEMBRANES

#160
20120178834
2012-07-12

Membranes, coatings and films and methods for their preparation

#161
20120174791
2012-07-12

Gas separation membrane

#162
20120097610
2012-04-26

Method and apparatus for microfiltration to perform cell separation

#163
20120097603
2012-04-26

Process for fabricating membrane filters, and membrane filters

#164
20120077400
2012-03-29

Elastic, moisture-vapor permeable films, their preparation and their use

#165
20120073791
2012-03-29

Energy recovery ventilation sulfonated block copolymer laminate membrane

#166
20110268901
2011-11-03

Process for preparing membranes and membrane structures from a sulfonated block copolymer fluid composition

#167
20110263763
2011-10-27

Method for varying the transport properties of a film cast from a sulfonated copolymer

#168
20110230614
2011-09-22

Sulfonated block copolymer fluid composition for preparing membranes and membrane structures

#169
20110174728
2011-07-21

Polysulfone polymers and membranes for reverse osmosis, nanofiltration and ultrafiltration

#170
20110117413
2011-05-19

Alkaline Battery Separators with Ion-Trapping Molecules

#171
20110094960
2011-04-28

Method of forming a rewettable asymmetric membrane

#172
20110086982
2011-04-14

Amine neutralized sulfonated block copolymers and method for making same

#173
20110053043
2011-03-03

Nanostructured polymer membranes for proton conduction

#174
20110040013
2011-02-17

Layered zeolite materials and methods related thereto

#175
20110017660
2011-01-27

Hollow-fiber ultrafiltration membrane with excellent fouling resistance

#176
20100298514
2010-11-25

Sulfonated block copolymers having ethylene and diene interior blocks, and various uses for such block copolymers

#177
20100292077
2010-11-18

Nano-structured polymer composites and process for preparing same

#178
20100261799
2010-10-14

Stable and compatible polymer blends

#179
20100226824
2010-09-09

Drying substances, preparation and use thereof

#180
20100224066
2010-09-09

Drying substances, preparation and use thereof

#181
20100210806
2010-08-19

Nanoporous crystalline form of syndiotactic polystyrene, processes for its preparation and related molecular-complex crystalline forms

#182
20100204403
2010-08-12

Sulfonated block copolymers, method for making same, and various uses for such block copolymers

#183
20100203785
2010-08-12

Composition containing sulfonated block copolymers and articles made therefrom

#184
20100203784
2010-08-12

Process for preparing sulfonated block copolymers and various uses for such block copolymers

#185
20100203783
2010-08-12

Sulfonated block copolymers method for making same, and various uses for such block copolymers

#186
20100203782
2010-08-12

Sulfonated block copolymers having acrylic esterand methacrylic ester interior blocks, and various uses for such blocks, and various uses for such block copolymers

#187
20100190965
2010-07-29

Method for separation of immunoglobulin monomers

#188
20100159353
2010-06-24

POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL

#189
20100036009
2010-02-11

Process for producing microporous polymeric object, and microporous polymeric object and separation membrane

#190
20090280255
2009-11-12

Method for making sulfonated block copolymers, method for making membranes from such block copolymers and membrane structures

#191
20090269491
2009-10-29

Carbon-polymer electrochemical systems and methods of fabricating them using layer-by-layer technology

#192
20090239381
2009-09-24

POROUS FILM

#193
20090188864
2009-07-30

Method and apparatus for microfiltration to perform cell separation

#194
20090184047
2009-07-23

Functionalized nanopore membranes and related methods of use

#195
20090176052
2009-07-09

COMPOSITE MATERIAL COMPRISING A NON-CROSSLINKED GEL POLYMER

#196
20090148685
2009-06-11

Microporous polyolefin film possessing good mechanical properties and thermal stability

#197
20090127186
2009-05-21

Separation membrane for use in treatment of liquid comprising aromatic ether polymer hydrophilized with hydrophilizing agent

#198
20080312349
2008-12-18

METHOD OF MAKING AND USING MEMBRANE

#199
20080242833
2008-10-02

Blend of ionic (co)polymer resins and matrix (co)polymers

#200
20080242819
2008-10-02

Blend of ionic (co)polymer resins and matrix (co)polymers

#201
20080242805
2008-10-02

Blend of ionic (co)polymer resins and matrix (co)polymers

#202
20080241630
2008-10-02

Blend of ionic (CO)polymer resins and matrix (CO)polymers

#203
20080230514
2008-09-25

Method of producing nanopatterned templates

#204
20080090007
2008-04-17

Method Of Forming A Nanoporous Dielectric Film

#205
20080032184
2008-02-07

Stable Trifluorostyrene Containing Compounds, And Their Use In Polymer Electroyte Membranes

#206
20070254378
2007-11-01

CHELATING MONOMERS AND POLYMERS

#207
20070185264
2007-08-09

Polymer composite, film thereof and separation membrane made therefrom

#208
20070092652
2007-04-26

Screen printing using nanoporous polymeric membranes and conductive inks

#209
20070080107
2007-04-12

Nanoporous membrane and method of fabricating the same

#210
20070021569
2007-01-25

Sulfonated block copolymers, method for making same, and various uses for such block copolymers

#211
20060269815
2006-11-30

Blend of ionic (co)polymer resins and matrix (co)polymers

#212
20060175249
2006-08-10

Hydrophilic mixed matrix material having reversible water absorbing properties

#213
20060144792
2006-07-06

Membrane and process for the recovery of acid

#214
20060135715
2006-06-22

Trifluorostyrene containing compounds, and their use in polymer electrolyte membranes

#215
20060119015
2006-06-08

Method for producing hollow fibres

#216
20060100294
2006-05-11

Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom

#217
20060096922
2006-05-11

Lyotropic liquid crystal nanofiltration membranes

#218
20060079594
2006-04-13

Process for preparing graft copolymer membranes

#219
20060062982
2006-03-23

Carbon-polymer electrochemical systems and methods of fabricating them using layer-by-layer technology

#220
20050165167
2005-07-28

Process for preparing graft copolymers and membranes formed therefrom

#221
20050049319
2005-03-03

Graft polymeric membranes and ion-exchange membranes formed therefrom

#222
20050031927
2005-02-10

Polyelectrolyte membrane, method for its production and fuel cell using said polyelectrolyte membrane

#223
20050019302
2005-01-27

Polymer based permeable membrane for removal of ions

#224
14292640
2015-10-20

Membrane comprising self-assembled block copolymer and process for producing the same by spin coating (Ia)