ClassID:

30897

B01D2323/34 - CPC Classification

Classification description:

Details relating to membrane preparation Use of radiation

Sub-classes:
Recent Application in this class:
#1
20260131291
2026-05-14

COMPOSITION FOR FORMING ANION EXCHANGE POLYMER, ANION EXCHANGE MEMBRANE AND METHOD OF MANUFACTURING ANION EXCHANGE MEMBRANE

#2
20260021450
2026-01-22

MICROFILTRATION MEMBRANE

#3
20250296052
2025-09-25

FILTER APPARATUS FOR SEMICONDUCTOR DEVICE FABRICATION PROCESS

#4
20250161883
2025-05-22

POROUS HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING POROUS HOLLOW FIBER MEMBRANE

#5
20250144569
2025-05-08

Bipolar Membranes

#6
20250042726
2025-02-06

A METHOD OF FABRICATING NANOPORES

#7
20250032995
2025-01-30

Plasmonic Heating Assisted Interfacial Polymerization for Reverse Osmosis Membrane Fabrication

#8
20240344006
2024-10-17

METHOD OF MANUFACTURE FOR EDIBLE, POROUS CROSS-LINKED HOLLOW FIBERS AND MEMBRANES BY PH INDUCED PHASE SEPARATION AND USES THEREOF

#9
20240216871
2024-07-04

HOLLOW FIBER MEMBRANE AND MANUFACTURING METHOD THEREFOR

#10
20240173679
2024-05-30

Gas Separation Membranes

#11
20240151472
2024-05-09

Systems and methods for periodic nodal surface based reactors, distributors, contractors and heat exchangers

#12
20240123409
2024-04-18

POROUS POLYMERIC MEMBRANE WITH TEAR PREVENTION RING

#13
20240100486
2024-03-28

SURFACE MODIFIED POLYETHERSULFONE MEMBRANES AND METHOD OF MAKING THEREOF

#14
20230372878
2023-11-23

FILTER APPARATUS FOR SEMICONDUCTOR DEVICE FABRICATION PROCESS

#15
20230285909
2023-09-14

CARBON NANOMEMBRANES ON POROUS MATERIALS

#16
20230285906
2023-09-14

GAS SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING SAME

#17
20230047835
2023-02-16

METHOD FOR MAKING POROUS FILTER MEMBRANES

#18
20230017950
2023-01-19

HYDROPHILIC MEMBRANES

#19
20230015162
2023-01-19

MICROFILTRATION MEMBRANE

#20
20220379265
2022-12-01

Filter apparatus for semiconductor device fabrication process

#21
20220355241
2022-11-10

Method of gas separation using metal-organic framework membrane

#22
20220250011
2022-08-11

Porous polytetrafluoroethylene membrane, and thermosetting method

#23
20220176325
2022-06-09

Porous polymeric membrane with tear prevention ring

#24
20220088539
2022-03-24

SEPARATION MEMBRANE MODULE

#25
20220080367
2022-03-17

Efficient antifouling and hydrophilic polyethersulfone ultrafiltration membrane and preparation method thereof

#26
20220003503
2022-01-06

Systems and methods for periodic nodal surface based reactors, distributors, contactors and heat exchangers

#27
20210346846
2021-11-11

Polymer membranes

#28
20210260538
2021-08-26

Method for manufacturing porous membrane and porous membrane

#29
20210205765
2021-07-08

ISOPOROUS MEMBRANES INCLUDING CROSSLINKED MULTIBLOCK COPOLYMERS

#30
20210205763
2021-07-08

Carbon nanomembranes on porous materials

#31
20210171351
2021-06-10

Method for printing objects having laser-induced graphene (LIG) and/or laser-induced graphene scrolls (LIGS) materials

#32
20200406201
2020-12-31

Hydrophobic polyethylene membrane for use in venting, degassing, and membrane distillation processes

#33
20200362107
2020-11-19

Sulfonated poly(arylene ether) membranes with high monovalent salt rejection even in the presence of mixed salt feeds that contain multivalent salts

#34
20200353425
2020-11-12

Synthetic membranes and methods of use thereof

#35
20200324252
2020-10-15

SUPPORTED WATER VAPOR TRANSPORT MEMBRANE COMPRISING POLYETHYLENE OXIDE COPOLYMER

#36
20200197860
2020-06-25

A Method for Separating Fluidic Water from Impure Fluids and a Filter therefore

#37
20200139308
2020-05-07

Synthetic membranes and methods of use thereof

#38
20200047114
2020-02-13

Gas separation membrane containing metal-organic frameworks and methods of making thereof

#39
20200002174
2020-01-02

Laser-induced graphene (LIG) and laser induced graphene scrolls (LIGS) materials

#40
20190247799
2019-08-15

Method and System for Increasing the Thickness of a Carbon Nanotube Sheet Structure

#41
20190224628
2019-07-25

Porous Graphene-Based Films And Processes For Preparing The Films

#42
20190200631
2019-07-04

Durable asymmetric composite membranes and modified substrates used in their preparation

#43
20190176093
2019-06-13

System and method for manufacturing a membrane filter

#44
20190143274
2019-05-16

Process for Preparing Membranes

#45
20190105612
2019-04-11

Composite Membranes

#46
20190070567
2019-03-07

Synthetic membranes and methods of use thereof

#47
20190022602
2019-01-24

Layered semipermeable membrane

#48
20180327930
2018-11-15

Filament production device

#49
20180272292
2018-09-27

Method for producing protective-layer-covered gas separation membrane, protective-layer-covered gas separation membrane, gas separation membrane module, and gas separation apparatus

#50
20180272291
2018-09-27

Protective-layer-covered gas separation membrane, method for producing protective-layer-covered gas separation membrane, gas separation membrane module, and gas separation apparatus

#51
20180236410
2018-08-23

Method for manufacturing of a carbon nanomembrane

#52
20180208728
2018-07-26

Nanoporous lyotropic liquid crystal polymer membranes with reversibly tuned pore size and selectivity, and methods using same

#53
20180147542
2018-05-31

Method of manufacturing nanoporous graphene membrane

#54
20180043310
2018-02-15

Localizing nanopore fabrication on a membrane by laser illumination during controlled breakdown

#55
20170312698
2017-11-02

Synthetic membranes and methods of use thereof

#56
20170296981
2017-10-19

Gas separation membranes with intermixed layers

#57
20170282127
2017-10-05

Etching mask, manufacturing method therefor, porous membrane manufacturing method using etching mask, porous membrane, fine dust-blocking mask including porous membrane, and manufacturing method for surface enhanced Raman scattering active substrate

#58
20170232393
2017-08-17

Shapes for tangential flow separation multichannel tubular elements incorporating turbulence promoters, and method of fabrication

#59
20170144111
2017-05-25

Asymmetric articles with a porous substrate and a polymeric coating extending into the substrate and methods of making the same

#60
20170121529
2017-05-04

Solvent resistant polymeric membranes

#61
20170043300
2017-02-16

NANOPOROUS MEMBRANES AND METHODS FOR MAKING THE SAME

#62
20170007965
2017-01-12

Process for Preparing Membranes

#63
20160369073
2016-12-22

Functional polymer membrane and method for producing same

#64
20160367980
2016-12-22

Ion-exchange polymer and production method therefor, electrolyte membrane and production method therefor, and composition for producing ion-exchange polymer

#65
20160317978
2016-11-03

Composite membrane

#66
20160310908
2016-10-27

Ultrathin, graphene-based membranes for water treatment and methods of their formation and use

#67
20160263533
2016-09-15

Treated mixed matrix polymeric membranes

#68
20160256833
2016-09-08

Membranes

#69
20160207008
2016-07-21

Devices including a membrane formed from a curable composition

#70
20160166991
2016-06-16

Membrane Selective for Alcohols

#71
20160051943
2016-02-25

NEGATIVELY CHARGED POROUS MEDIUM FOR REMOVING PROTEIN AGGREGATES

#72
20160045932
2016-02-18

Anti-Thrombogenic Porous Membranes And Methods For Manufacturing Such Membranes

#73
20160004162
2016-01-07

Method for producing a microscreen

#74
20160001231
2016-01-07

Method for producing a microscreen

#75
20150343389
2015-12-03

Curable compositions and membranes

#76
20150298071
2015-10-22

Composite gas separation membranes with dialkysiloxane intermediate layer

#77
20150291843
2015-10-15

SOLVENT RESISTANT POLYMERIC MEMBRANES

#78
20150259227
2015-09-17

Functional polymer membrane and method of producing the same

#79
20150258264
2015-09-17

Blood purifier and blood purifier package

#80
20150246318
2015-09-03

Methods to Rapidly Deposit Thin Films (or Coatings) of Microporous Material on Supports Using Thermally Induced Self-Assembly

#81
20150218330
2015-08-06

Radiation cured membranes derived from polymers that are co-reactive with azide crosslinking agent(s)

#82
20150209733
2015-07-30

Process for preparing membranes

#83
20150165369
2015-06-18

Process for preparing membranes

#84
20150157987
2015-06-11

Filter with seal treatment

#85
20150157986
2015-06-11

Electron beam induced modification of membranes by polymers

#86
20150143995
2015-05-28

Gas separation membranes with intermixed layers

#87
20150129428
2015-05-14

Curable compositions and membranes

#88
20150096442
2015-04-09

Carbon nanotube composite membrane

#89
20140363572
2014-12-11

Composite membrane

#90
20140345456
2014-11-27

Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same

#91
20140305863
2014-10-16

Composite membranes

#92
20140272286
2014-09-18

Nanoporous membranes and methods for making the same

#93
20140130669
2014-05-15

Gas separation composite membrane, and gas separating module, gas separation apparatus and gas separation method using the same

#94
20140130668
2014-05-15

Gas separation composite membrane and gas separating module, gas separation apparatus and gas separation method using the same

#95
20140130667
2014-05-15

Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same

#96
20140058007
2014-02-27

Melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes

#97
20130317128
2013-11-28

Process for making a monomer solution for making cation exchange membranes

#98
20130056415
2013-03-07

NEGATIVELY CHARGED POROUS MEDIUM FOR REMOVING PROTEIN AGGREGATES

#99
20130043183
2013-02-21

Electron Source Modification Of Microporous Halocarbon Filter Membranes

#100
20120248030
2012-10-04

Curable compositions and membranes

#101
20120248029
2012-10-04

Curable compositions and membranes

#102
20120248028
2012-10-04

Curable compositions and membranes

#103
20120244412
2012-09-27

PERFORATED FILM

#104
20120196739
2012-08-02

Method for producing DDR zeolite

#105
20120193285
2012-08-02

Method for producing resin porous membrane with adhesive layer, resin porous membrane with adhesive layer, and filter member

#106
20120190764
2012-07-26

Aromatic polysulfone resin and membranes thereof

#107
20120183946
2012-07-19

Fabrication of microfilters and nanofilters and their applications

#108
20120165420
2012-06-28

Process for Preparing Composite Membranes

#109
20120153544
2012-06-21

Melt processable poly (vinyl alcohol) blends and poly (vinyl alcohol) based membranes

#110
20120138535
2012-06-07

Perforated membranes

#111
20120107593
2012-05-03

High yield preparation of macroscopic graphene oxide membranes

#112
20120024778
2012-02-02

Composite semipermeable membrane and method for producing the same

#113
20120006685
2012-01-12

Process for Preparing Composite Membranes

#114
20110290727
2011-12-01

Process for Preparing Membranes

#115
20110290717
2011-12-01

Membrane post treatment

#116
20110263020
2011-10-27

Membrane for cell expansion

#117
20110244215
2011-10-06

Electron beam induced modification of membranes by polymers

#118
20110217659
2011-09-08

Method for producing a proton-conducting, structured electrolyte membrane

#119
20110147308
2011-06-23

Charged Porous Polymeric Membranes and Their Preparation

#120
20110120940
2011-05-26

Polymeric films made from polyhedral oligomeric silsesquioxane (POSS) and a hydrophilic comonomer

#121
20110117287
2011-05-19

Process for producing modified substrate

#122
20110073541
2011-03-31

CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTRATION FILTER

#123
20110046074
2011-02-24

Highly permeable polymeric membranes

#124
20110023717
2011-02-03

Process for preparing membranes

#125
20100282668
2010-11-11

FUSED NANOSTRUCTURE MATERIAL

#126
20100243556
2010-09-30

High-throughput asymmetric membrane

#127
20100234481
2010-09-16

POROUS CERAMICS MANUFACTURING METHOD

#128
20100213117
2010-08-26

Membrane post treatment

#129
20100189915
2010-07-29

METHOD OF MAKING FUNCTIONALIZED SUBSTRATES

#130
20100166966
2010-07-01

Sulfonated polyether ether ketone ketone, film utilizing the same, and method for manufacturing the same

#131
20100162892
2010-07-01

Membrane comprising oxyethylene groups

#132
20100158983
2010-06-24

METHOD FOR INCREASING THE PERMEABILITY OF POLYMER FILM

#133
20100156002
2010-06-24

High-throughput asymmetric membrane

#134
20100154641
2010-06-24

Membrane comprising oxyethylene groups

#135
20100147763
2010-06-17

MODIFIED POROUS MEMBRANES, METHODS OF MEMBRANE PORE MODIFICATION, AND METHODS OF USE THEREOF

#136
20100147745
2010-06-17

Method for reducing the mercury content of natural gas condensate and natural gas processing plant

#137
20100126965
2010-05-27

Molded body, method for producing the body and use thereof

#138
20100126352
2010-05-27

Membranes and processes for their manufacture and use

#139
20100081033
2010-04-01

Polymer electrolyte and fuel cell employing the same

#140
20100051535
2010-03-04

Crystalline polymer microporous membrane, method for producing the same, and filter for filtration

#141
20100047551
2010-02-25

Composite materials comprising supported porous gels containing reactive functional groups

#142
20100044316
2010-02-25

Composite materials comprising supported porous gels

#143
20100032368
2010-02-11

Method for producing resin porous membrane with adhesive layer, resin porous membrane with adhesive layer, and filter member

#144
20090277776
2009-11-12

Method and apparatus for plasma-treating porous body

#145
20090263591
2009-10-22

Multi-component composite film method for preparing the same

#146
20090242386
2009-10-01

System and Method of Fabricating Pores in Polymer Membranes

#147
20090241496
2009-10-01

Process for producing a nanoporous layer of nanoparticles and layer thus obtained

#148
20090226814
2009-09-10

Microporous membrane, battery separator and battery

#149
20090220842
2009-09-03

Fuel Cell and Polymer Electrolyte Membrane

#150
20090191357
2009-07-30

PROCESSES FOR FORMING PERMANENT HYDROPHILIC POROUS COATINGS ONTO A SUBSTRATE, AND POROUS MEMBRANES THEREOF

#151
20090159840
2009-06-25

Hydrogen-containing carbon film

#152
20090142638
2009-06-04

COMPOSITE POROUS MEMBRANE, METHOD FOR PRODUCING COMPOSITE POROUS MEMBRANE, SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL

#153
20090142576
2009-06-04

Filter and method for making the same

#154
20090130419
2009-05-21

FOAM SHEET AND PRODUCTION PROCESS THEREOF

#155
20090087750
2009-04-02

Microporous membrane and manufacturing method

#156
20090059168
2009-03-05

SYSTEM AND METHOD FOR INCREASING THE DEPTH FOCUS OF THE HUMAN EYE

#157
20090057222
2009-03-05

MEMBRANE CARD AND METHOD FOR THE PRODUCTION AND USE THEREOF

#158
20090042104
2009-02-12

Multi-component composite film method for preparing the same

#159
20090035552
2009-02-05

Composite materials comprising supported porous gels containing reactive functional groups

#160
20090032463
2009-02-05

Method for separating a substance from a fluid

#161
20090029438
2009-01-29

Composite material comprising supported porous gel containing functional groups and method of separating substances

#162
20090021692
2009-01-22

System and method for increasing the depth of focus of the human eye

#163
20090008328
2009-01-08

Separating substances with supported porous gels containing metal-affinity ligands complexed with metal ions

#164
20080314831
2008-12-25

Absorbing biological substances from liquid with supported porous gels containing binding sites

#165
20080312416
2008-12-18

Composite materials comprising supported porous gels containing metal-affinity ligands

#166
20080241502
2008-10-02

Molded Body, Method For Producing the Body and Use Thereof

#167
20080171251
2008-07-17

Functional membrane and production method thereof, and electrolyte membrane for use in fuel cell and production method thereof

#168
20080160374
2008-07-03

Functional membrane and electrolyte membrane for fuel cells and method for producing the same

#169
20080134884
2008-06-12

Porous gas permeable material for gas separation

#170
20080124663
2008-05-29

Microfluidic systems including three-dimensionally arrayed channel networks

#171
20080122140
2008-05-29

Microfluidic systems including three-dimensionally arrayed channel networks

#172
20080095925
2008-04-24

Method for producing a membrane electrode including forming the membrane in situ

#173
20080085940
2008-04-10

METHOD AND DEVICE FOR NON-DESTRUCTIVE ANALYSIS OF PERFORATIONS IN A MATERIAL

#174
20080067122
2008-03-20

Blood purifier and blood purifier package

#175
20080063794
2008-03-13

Mesoporous permeation layers for use on active electronic matrix devices

#176
20080061002
2008-03-13

Hydrophilic substance and a production method thereof

#177
20080044643
2008-02-21

Polysulfone type selectively permeable hollow fiber membrane module and process for manufacturing the same

#178
20080041791
2008-02-21

Purification of fluids with carbon nanotubes having attached functional group

#179
20080000830
2008-01-03

Highly Water Permeable Hollow Fiber Membrane Type Blood Purifier and Process for Manufacturing the Same

#180
20070265426
2007-11-15

Synthesis of polyphosphazenes with sulfonimide side groups

#181
20070187320
2007-08-16

Polysulfone-base permselective hollow fiber membrane bundle and process for producing the same

#182
20070187319
2007-08-16

High-throughput asymmetric membrane

#183
20070175818
2007-08-02

Hydrophilic porous membrane and method of forming the same

#184
20070154703
2007-07-05

Functionalized substrates

#185
20070154651
2007-07-05

METHOD OF MAKING FUNCTIONALIZED SUBSTRATES

#186
20070123695
2007-05-31

Molecule nanoweaver

#187
20070114167
2007-05-24

Bundle of selectively permeable polysulfone-based hollow fiber membranes and process for manufacturing same

#188
20070084797
2007-04-19

Purification of fluids with nanomaterials

#189
20070039471
2007-02-22

Filter element and method for the production thereof

#190
20070031716
2007-02-08

Process for making cation exchange membranes with reduced methanol permeability

#191
20070029251
2007-02-08

Method for preparing metallic membrane

#192
20070019187
2007-01-25

Method and device for non-destructive analysis of perforations in a material

#193
20070012618
2007-01-18

Microporous filter

#194
20070007195
2007-01-11

Composite membrane and process

#195
20060274267
2006-12-07

System and method for increasing the depth of focus of the human eye

#196
20060263659
2006-11-23

Polymer electrolyte membrane and fuel cell using the polymer electrolyte membrane

#197
20060263548
2006-11-23

Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters

#198
20060210785
2006-09-21

Foamed product in a sheet form and method for production thereof

#199
20060203192
2006-09-14

System and method for increasing the depth of focus of the human eye

#200
20060194037
2006-08-31

Flexible, breathable polymer film and method for production thereof

#201
20060188786
2006-08-24

Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same

#202
20060163071
2006-07-27

Nanodevice for controlled charged particle flow and method for producing same

#203
20060157404
2006-07-20

Membrane post treatment

#204
20060127727
2006-06-15

Polymer electrolyte and fuel cell employing the same

#205
20060046134
2006-03-02

Polymer electrolyte membrane and fuel cell employing the same

#206
20060033243
2006-02-16

Fabricating structures in micro-fluidic channels based on hydrodynamic focusing

#207
20050273031
2005-12-08

Modified substrate and process for producing modified substrate

#208
20050263456
2005-12-01

Nanomesh article and method of using the same for purifying fluids

#209
20050244695
2005-11-03

Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells

#210
20050230353
2005-10-20

Method and array for processing carrier materials by means of heavy ion radiation and subsequent etching

#211
20050164283
2005-07-28

Mesoporous permeation layers for use on active electronic matrix devices

#212
20050118479
2005-06-02

Electrolyte film and solid polymer fuel cell using the same

#213
20050118478
2005-06-02

Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells

#214
20050082215
2005-04-21

Microporous filter

#215
20050074654
2005-04-07

Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cell

#216
20050023245
2005-02-03

Method of forming microporous membranes

#217
20050011826
2005-01-20

Asymmetric gel-filled microporous membranes

#218
15491996
2018-07-17

Composite material type oxygen transport membrane