ClassID:

30907

B01D2323/46 - CPC Classification

Classification description:

Details relating to membrane preparation Impregnation

Recent Application in this class:
#1
20260054227
2026-02-26

COMPOSITE MEMBRANE AND METHOD OF MAKING THE SAME

#2
20260048364
2026-02-19

Method of Preparing Polyamide Membrane with Multi-Level Pore Structure Mediated by Protein Fiber Network

#3
20250249411
2025-08-07

NANOPOROUS SELECTIVE SOL-GEL CERAMIC MEMBRANES

#4
20250235829
2025-07-24

POLYMER ELECTROLYTE MEMBRANE AND METHOD OF MANUFACTURING THE SAME

#5
20250161885
2025-05-22

MONOLITHIC BIPOLAR MEMBRANE WITH LOW TRANSMEMBRANE VOLTAGE AND PREPARATION METHOD THEREOF

#6
20250011829
2025-01-09

MEMBRANE FOR MICROBIOLOGICAL ANALYSIS

#7
20240375062
2024-11-14

ZEOLITE MEMBRANE COMPLEX, METHOD OF PRODUCING ZEOLITE MEMBRANE COMPLEX, AND SEPARATION METHOD

#8
20240367114
2024-11-07

MEMBRANE WITH REACTED NETWORKS

#9
20240359143
2024-10-31

ZWITTERION-PROMOTED HYBRID 2D SILICATE-BASED MEMBRANES FOR ENERGY APPLICATIONS

#10
20240299878
2024-09-12

CROSSLINKED POLYMER MEMBRANES AND METHODS OF THEIR PRODUCTION

#11
20240100490
2024-03-28

POLYFLUORENE-BASED ANION EXCHANGE COMPOSITE MEMBRANE AND METHOD FOR PREPARING SAME

#12
20240024826
2024-01-25

Nanoporous selective sol-gel ceramic membranes

#13
20230347333
2023-11-02

Membranes

#14
20230311071
2023-10-05

Composite Membrane

#15
20230233996
2023-07-27

High permeance nanofiltration membrane with nanoring-like structure and preparation method thereof

#16
20230226500
2023-07-20

Composite poly (aryl ether ketone) membranes, their preparation and use thereof

#17
20230132994
2023-05-04

A COMPOSITE MEMBRANE AND METHOD OF MAKING THE SAME

#18
20230093327
2023-03-23

Composite membrane and methods of fabrication thereof

#19
20230059166
2023-02-23

Composite poly (aryl ether ketone) membranes, their preparation and use thereof

#20
20220410082
2022-12-29

ACOUSTIC COMPOSITE INCLUDING A STIFFENING POLYMER, DEVICES, AND ASSEMBLIES INCLUDING THE SAME

#21
20220235306
2022-07-28

Surface modified separation media

#22
20220176326
2022-06-09

FIBRE COMPRISING ORGANOSILANE FOR PURIFICATION OF LIQUIDS

#23
20220088542
2022-03-24

COMPOSITE HOLLOW FIBER MEMBRANE AND COMPOSITE HOLLOW FIBER MEMBRANE MANUFACTURING METHOD

#24
20220062831
2022-03-03

METAL-ORGANIC FRAMEWORK MATERIAL/MEMBRANE COMPOSITE MATERIAL, PREPARATION METHOD AND USE THEREOF

#25
20220032240
2022-02-03

Separation membrane and methods of preparation thereof

#26
20210394121
2021-12-23

Ion-exchange membrane having an imprinted non-woven substrate

#27
20210370241
2021-12-02

Devices and methods for removing perfluorinated compounds from contaminated water

#28
20210268451
2021-09-02

CERAMIC NANOFILTRATION MEMBRANE WITH POLYMERS GRAFTED INTO THE PORES AND METHOD OF PRODUCING SAME

#29
20210260535
2021-08-26

UIO-66-NHdoped organosilicon high salinity wastewater treatment membrane and a preparation method thereof

#30
20210170345
2021-06-10

Crosslinked polymer membranes and methods of their production

#31
20210060492
2021-03-04

Thermally reflective membrane apparatuses, and related fluid treatment systems and methods

#32
20200353423
2020-11-12

Polymer Material, Membrane and Coating as Well as Preparation Methods and Applications Thereof

#33
20200325295
2020-10-15

Hybrid membranes and methods of making and use thereof

#34
20200269208
2020-08-27

Catalytic membrane reactor, methods of making the same and methods of using the same for dehydrogenation reactions

#35
20200254397
2020-08-13

Water treatment separation membrane, water treatment module comprising same, and manufacturing method therefor

#36
20200197877
2020-06-25

Composite body

#37
20200147537
2020-05-14

Porous fluorine resin film and preparation method thereof

#38
20200129930
2020-04-30

Carbon capture membrane

#39
20200016540
2020-01-16

Ion-exchange membrane having an imprinted non-woven substrate

#40
20190224631
2019-07-25

Acrylonitrile-based membrane with low thrombogenicity

#41
20190151805
2019-05-23

Semipermeable membrane and method for producing semipermeable membrane

#42
20190083940
2019-03-21

Method for preparing membrane and associated membrane and filter element

#43
20190060841
2019-02-28

High selectivity facilitated transport membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for olefin/paraffin separations

#44
20190030489
2019-01-31

Scale inhibitor for reverse osmosis membranes and reverse osmosis membrane treatment method

#45
20190001273
2019-01-03

PVP- and/or PVL-containing composite membranes and methods of use

#46
20180326364
2018-11-15

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

#47
20180326363
2018-11-15

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

#48
20180318774
2018-11-08

Crosslinked polymer membranes and methods of their production

#49
20180305827
2018-10-25

Hierarchically structured, nitrogen-doped carbon membranes

#50
20180304208
2018-10-25

Two-dimensional metal carbide antimicrobial membrane and antimicrobial agent

#51
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

#52
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

#53
20180229186
2018-08-16

Polymeric ionomer separation membranes and methods of use

#54
20180208728
2018-07-26

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

#55
20180207589
2018-07-26

Radiation-Curable Compositions, Membranes and the Manufacture and Use of Such Membranes

#56
20180169594
2018-06-21

Gas separation memebrane

#57
20180169586
2018-06-21

Dynamic coating of MF/UF membranes for fouling mitigation

#58
20180154311
2018-06-07

Composite membranes with improved performance and/or durability and methods of use

#59
20180034071
2018-02-01

Fuel cell having oxygen selective membrane

#60
20180021728
2018-01-25

Pervaporation and Vapor-Permeation Separation of Gas-Liquid Mixtures and Liquid Mistures by SAPO-34 Molecular Sieve Membrane Prepared in Dry-Gel Process

#61
20180015421
2018-01-18

Pervaporation and Vapor-Permeation Separation of Gas-Liquid Mixtures and Liquid Mistures by Ion Exchanged SAPO-34 Molecular Sieve Membrane

#62
20180015420
2018-01-18

Method for the Pervaporation and Vapor-Permeation Separation of Gas-Liquid Mixtures and Liquid Mixtures by SAPO-34 Molecular Sieve Membrane

#63
20180008936
2018-01-11

Curable compositions and membranes

#64
20170312697
2017-11-02

Process for forming a sintered iron oxide impregnated carbon nanotube membrane

#65
20170312696
2017-11-02

Carbon nanotube membranes

#66
20170296977
2017-10-19

Development of nanofiltration system with La/SnO—TiOnanoparticles

#67
20170296972
2017-10-19

METHOD FOR MAKING TWO-DIMENSIONAL MATERIALS AND COMPOSITE MEMBRANES THEREOF HAVING SIZE-SELECTIVE PERFORATIONS

#68
20170279142
2017-09-28

Membrane

#69
20170216832
2017-08-03

Ion exchange membrane and production process therefor

#70
20170209836
2017-07-27

Hollow-fiber membrane blood purification device

#71
20170203258
2017-07-20

Hydrophilic, light active coating for membranes

#72
20170198405
2017-07-13

Zero polar distance ion exchange membrane and preparation method thereof

#73
20170198404
2017-07-13

Ion-conducting membrane used in chlor-alkali industry and preparation method thereof

#74
20170137589
2017-05-18

METHODS OF MODIFYING SURFACES OF STRUCTURES USED IN THE MANUFACTURE OF A SEMICONDUCTOR DEVICE VIA FLUORINATION

#75
20170113189
2017-04-27

Fabrication of carbon nanotube membranes

#76
20170095777
2017-04-06

Method for the production of a filtration membrane having a mean molecular weight cut-off of < 1000 g/mol

#77
20160361690
2016-12-15

Functional polymer membrane and method for producing same

#78
20160325229
2016-11-10

Composite membranes and methods of use

#79
20160317974
2016-11-03

Method for preparing a resin-treated microporous membrane

#80
20160214063
2016-07-28

IONIC MEMBRANE PREPARATION

#81
20160172701
2016-06-16

Method for preparing a composite membrane

#82
20160136572
2016-05-19

Acidic gas separation laminate and acidic gas separation module provided with laminate

#83
20160023187
2016-01-28

Method for producing a crystalline film of zeolite and/or zeolite like crystals on a porous substrate

#84
20160023168
2016-01-28

Complex nanofiltration membrane and the preparation thereof

#85
20150367290
2015-12-24

Fouling inhibitor, filtration membrane and method for producing same

#86
20150367288
2015-12-24

Composite polyamide membrane including dissolvable polymer coating

#87
20150336059
2015-11-26

Method for producing a filter intended to filter nanoparticles, obtained filter and associated method for the collection and quantitative analysis of nanoparticles

#88
20150328593
2015-11-19

Microporous membrane and manufacturing process therefor

#89
20150328591
2015-11-19

Porous polymer flat-sheet membrane

#90
20150283519
2015-10-08

DRYING SUBSTANCES, PREPARATION AND USE THEREOF

#91
20150231575
2015-08-20

Method of Treating a Porous Substrate and Manufacture of a Membrane

#92
20150231574
2015-08-20

Method of preparing or reconditioning a leak stable gas separation membrane system

#93
20150217239
2015-08-06

Methods for manufacturing ion exchange membranes

#94
20150217224
2015-08-06

Method and system for producing pipeline quality natural gas

#95
20150209776
2015-07-30

Composites comprising novel RTIL-based polymers, and methods of making and using same

#96
20150202577
2015-07-23

Multifunctional Coatings on Microporous Substrates

#97
20150182920
2015-07-02

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

#98
20150129489
2015-05-14

Organic-inorganic porous membrane and a method for preparing the same

#99
20150068971
2015-03-12

Separation membrane element and production method for same

#100
20150027948
2015-01-29

Backwashable filtration element

#101
20140374341
2014-12-25

PROCESS FOR PRODUCING SEPARATION MEMBRANE, PROCESS FOR PRODUCING SEPARATION MEMBRANE COMPOSITE, AND SEPARATION MEMBRANE COMPOSITE

#102
20140243573
2014-08-28

Oil quality using a microporous hollow fiber membrane

#103
20140134518
2014-05-15

Microporous PVDF films

#104
20140048477
2014-02-20

Hybrid porous structured material, membrane including the same, and method of preparing hybrid porous structured material

#105
20130225764
2013-08-29

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

#106
20130068689
2013-03-21

Membrane distillation modules using oleophobically and antimicrobially treated microporous membranes

#107
20130008312
2013-01-10

Method of making SAPO-34 membranes for use in gas separations

#108
20120297984
2012-11-29

GAS SEPARATION MEMBRANE FOR DME PRODUCTION PROCESS

#109
20120288618
2012-11-15

Gas diffusion electrode material and production method thereof

#110
20120279854
2012-11-08

Ionic membrane preparation

#111
20120276294
2012-11-01

Method for making liquid separation membrane

#112
20120255898
2012-10-11

Semipermeable polymers and method for producing same

#113
20120128868
2012-05-24

Composite ionomeric membrane

#114
20120108418
2012-05-03

Mesoporous silica membrane on polymeric hollow fibers

#115
20120009120
2012-01-12

THERMAL CRACKING RESISTANT ZEOLITE MEMBRANE AND METHOD OF FABRICATING THE SAME

#116
20110091717
2011-04-21

METHOD FOR IN SITU FORMATION OF METAL NANOCLUSTERS WITHIN A POROUS SUBSTRATE FIELD

#117
20110049746
2011-03-03

Method of manufacturing reinforced electrolyte membrane and membrane electrode assembly

#118
20110023717
2011-02-03

Process for preparing membranes

#119
20110020192
2011-01-27

Oxygen-permeable membrane and method for the production thereof

#120
20100226823
2010-09-09

Drying substances, preparation and use thereof

#121
20100111761
2010-05-06

Process of synthesis asymmetric polyurethane based membranes with hemocompatibility characteristics and membranes obtained by said process

#122
20100062312
2010-03-11

Thin solid oxide cell

#123
20100044902
2010-02-25

Composite semipermeable membrane and process for producing the same

#124
20100006495
2010-01-14

Semipermeable polymers and method for producing same

#125
20090184037
2009-07-23

MEMBRANE STRUCTURE FOR GAS SEPARATION

#126
20090174105
2009-07-09

METHOD OF MANUFACTURING REINFORCED ELECTROLYTE MEMBRANE AND MEMBRANE ELECTRODE ASSEMBLY

#127
20090130419
2009-05-21

FOAM SHEET AND PRODUCTION PROCESS THEREOF

#128
20090127187
2009-05-21

CRYSTALLINE POLYMER MICROPOROUS FILM, MANUFACTURING METHOD OF THE SAME, AND FILTRATION FILTER

#129
20090117433
2009-05-07

Gas diffusion electrode material and production method thereof

#130
20090011208
2009-01-08

Ceramics made of preceramic paper or board structures, method of producing the same and use thereof

#131
20090007532
2009-01-08

Composite ceramic body, method of manufacturing the same and ceramic filter assembly

#132
20080113242
2008-05-15

Microporous PVDF films

#133
20080083670
2008-04-10

COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#134
20080041791
2008-02-21

Purification of fluids with carbon nanotubes having attached functional group

#135
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#136
20070264181
2007-11-15

Catalytically active porous element

#137
20070202023
2007-08-30

Reactor

#138
20070144970
2007-06-28

Supported zeolite membranes, their process for production and their applications

#139
20070084797
2007-04-19

Purification of fluids with nanomaterials

#140
20070066691
2007-03-22

Composite ionomeric membrane

#141
20060214325
2006-09-28

Continuous coating process for composite membranes

#142
20060210785
2006-09-21

Foamed product in a sheet form and method for production thereof

#143
20060207931
2006-09-21

Method for continuous fabrication of carbon nanotube networks or membrane materials

#144
20060138042
2006-06-29

Heat-resistant film and composite ion-exchange membrane

#145
20060120948
2006-06-08

Membrane for hydrogen recovery from streams containing hydrogen sulfide

#146
20060057464
2006-03-16

Method of producing nanoparticle-filled phase inversion polymer electrolyte

#147
20050263456
2005-12-01

Nanomesh article and method of using the same for purifying fluids

#148
20050260118
2005-11-24

Mesoporous carbon films and methods of preparation thereof

#149
20050249914
2005-11-10

Honeycomb-shaped carbon element

#150
20050228127
2005-10-13

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

#151
20050167354
2005-08-04

Porous membrane microstructure devices and methods of manufacture

#152
20050154247
2005-07-14

Process for the separation of olefins and paraffins

#153
20050074654
2005-04-07

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

#154
20050067346
2005-03-31

Flexible and porous membranes and adsorbents, and method for the production thereof

#155
20050058821
2005-03-17

Microporous PVDF films

#156
18134194
2023-09-26

Hydrophobic novel biofilm membrane modified with a spiropolyurethane