ClassID:

29920

B01D67/0002 - CPC Classification

Classification description:

Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus Organic membrane manufacture

Sub-classes:
Recent Application in this class:
#1
20260124584
2026-05-07

NANO SILK FIBROIN FIBROUS MEMBRANE WITH DIRECTIONAL WATER TRANSPORT AND PREPARATION METHOD THEREOF

#2
20260084099
2026-03-26

Gas Separation Membrane, Method For Producing Gas Separation Membrane, And Gas Separation Apparatus

#3
20260077300
2026-03-19

Gas Separation Membrane, Method For Manufacturing Gas Separation Membrane, And Gas Separation Apparatus

#4
20260070026
2026-03-12

METHOD FOR PREPARING A FILTER MEMBRANE AND A FILTER MEMBRANE PREPARED THEREOF

#5
20260001045
2026-01-01

WATERPROOF AND MOISTURE-PERMEABLE MEMBRANE PREPARED USING CONDENSATION TYPE POLYURETHANE RESIN

#6
20250242313
2025-07-31

COMPOSITE FILTER MEDIA

#7
20250135408
2025-05-01

POLYTETRAFLUOROETHYLENE (PTFE) MEMBRANES WITH GRADIENT PORE STRUCTURES AND METHODS FOR PREPARING THE SAME

#8
20250135407
2025-05-01

Gas Separation Membrane, and Preparation Method Therefor and Use Thereof

#9
20250032999
2025-01-30

Thermal Lamination of Cellulose Substrate with ePTFE Membrane

#10
20240325968
2024-10-03

GAS SEPARATION MEMBRANE, GAS SEPARATION DEVICE, AND METHOD FOR PRODUCING GAS SEPARATION MEMBRANE

#11
20240286089
2024-08-29

SEPARATION MEMBRANE WITH EXCELLENT FOULING RESISTANCE AND METHOD FOR MANUFACTURING SAME

#12
20240226812
2024-07-11

GAS SEPARATION MEMBRANE AND METHOD OF PRODUCING GAS SEPARATION MEMBRANE

#13
20240181376
2024-06-06

MANUFACTURING METHOD OF MELTBLOWN FIBER MEMBRANE

#14
20240131474
2024-04-25

GAS SEPARATION MEMBRANE AND METHOD OF PRODUCING GAS SEPARATION MEMBRANE

#15
20230330602
2023-10-19

METHOD FOR MANUFACTURING ULTRA-THIN POLYMER SEPARATION MEMBRANE BY USING LOW-TEMPERATURE COATING

#16
20230321606
2023-10-12

HIGHLY STABLE LIPID BILAYER (HSLB) WITH BIOPOLYMER SCAFFOLD AS CYTOSKELETON AND USE THEREOF

#17
20230295386
2023-09-21

Alcohol soluble protein gas-liquid interface self-assembled porous membrane and preparation method thereof

#18
20230285910
2023-09-14

CELLULOSE MEMBRANE AND METHOD OF MANUFACTURING SAME

#19
20230285905
2023-09-14

EFFICIENT AND STABLE MAGNETIC NANOFIBER MEMBRANE AND PREPARATION METHOD AND USE THEREOF

#20
20230271144
2023-08-31

COMPOSITE MEMBRANE COMPRISING HIGHLY PERMEABLE GUTTER LAYER AND METHOD FOR PREPARING SAME

#21
20230271141
2023-08-31

ULTRAFAST WATER FLUX THROUGH HOT-PRESSED SOLUTION BLOWN SPUN NANOFIBER-BASED THIN FILM COMPOSITE MEMBRANES FOR FORWARD OSMOSIS

#22
20230271137
2023-08-31

NANO MEMBRANE, NANO MEMBRANE ASSEMBLY, AND METHOD FOR MANUFACTURING NANO MEMBRANE

#23
20230166215
2023-06-01

PROCESS FOR OBTAINING POLYAMIDE MEMBRANE WITH NANOSTRUCTURED COATING, MEMBRANES AND USE

#24
20230149832
2023-05-18

SURFACE FUNCTIONALIZED AFFINITY MEMBRANES

#25
20230093662
2023-03-23

POLYMER ADDITIVE COMPRISING ZWITTERIONIC MOIETIES FOR PVDF BASED MEMBRANES

#26
20230093327
2023-03-23

Composite membrane and methods of fabrication thereof

#27
20230079167
2023-03-16

METHOD OF PRODUCING HOLLOW FIBER MEMBRANE

#28
20230053375
2023-02-23

Method for fabricating oleophilic-hydrophobic nanofiber membrane and separation of water-in-oil emulsion using same method and waste heat

#29
20220274052
2022-09-01

ACIDIC GAS SEPARATION MEMBRANE, ACIDIC GAS SEPARATION DEVICE, METHOD FOR PRODUCING ACIDIC GAS SEPARATION MEMBRANE, AND ACIDIC GAS SEPARATION METHOD

#30
20220235306
2022-07-28

Surface modified separation media

#31
20220226783
2022-07-21

ADDITIVE MANUFACTURING OF SELF-ASSEMBLED POLYMER FILMS

#32
20220105472
2022-04-07

Composite membranes

#33
20220088545
2022-03-24

MEMBRANE WITH IMMOBILIZED ANTICOAGULANT AND PROCESS FOR PRODUCING SAME

#34
20220016579
2022-01-20

POLYMER ELECTROLYTE MEMBRANE AND METHOD FOR MANUFACTURING THE SAME

#35
20210394128
2021-12-23

COMPOSITE FILTER MEDIA

#36
20210354092
2021-11-18

Method of forming a laminated single layer composite membrane

#37
20210354090
2021-11-18

Nanofiber membrane and method for manufacturing the same

#38
20210322933
2021-10-21

ZWITTERION-FUNCTIONALIZED COPOLYMER HOLLOW-FIBER MEMBRANES AND ASSOCIATED METHOD

#39
20210308627
2021-10-07

Dual-layer membrane and method for preparing same

#40
20210231601
2021-07-29

Magnesium ion selective membranes

#41
20210178339
2021-06-17

Porous membrane encapsulated pellet and method for its preparation

#42
20210086136
2021-03-25

Filter medium, manufacturing method therefor, and filter unit including same

#43
20210039050
2021-02-11

HOLLOW FIBER MEMBRANE AND METHOD OF PRODUCING HOLLOW FIBER MEMBRANE

#44
20210001280
2021-01-07

MANUFACTURING METHOD AND MANUFACTURING APPARATUS FOR ACIDIC GAS SEPARATION MEMBRANE SHEET

#45
20200316531
2020-10-08

Composite Membrane for Industrial Water Filtration

#46
20200261854
2020-08-20

Self-supporting highly moisture-permeable heat-insulating aerogel film and preparation method thereof

#47
20200246758
2020-08-06

Porous body and process for manufacturing same

#48
20200238219
2020-07-30

Method for manufacturing gas separation membrane and gas separation membrane manufactured thereby

#49
20200078724
2020-03-12

Polymer blended membranes for sour gas separation

#50
20200016545
2020-01-16

Filter medium, method for manufacturing same, and filter unit comprising same

#51
20190282967
2019-09-19

Semipermeable membrane and preparation method thereof

#52
20190282966
2019-09-19

Ion exchange membrane and filter module using same

#53
20190176095
2019-06-13

Filter medium, method for manufacturing same, and filter module comprising same

#54
20190175816
2019-06-13

Blood processing filter

#55
20190099722
2019-04-04

Method of making carbon molecular sieve membranes

#56
20190070795
2019-03-07

Sintered and porous articles having improved flexural strength

#57
20190054426
2019-02-21

Filtration membranes

#58
20180369761
2018-12-27

Method of making carbon molecular sieve membranes

#59
20180345227
2018-12-06

Composite membranes and methods of making and use thereof

#60
20180345211
2018-12-06

Polymer blended membranes for sour gas separation

#61
20180326366
2018-11-15

METHOD OF MANUFACTURING POLYAMIDE-BASED REVERSE OSMOSIS MEMBRANE HAVING EXCELLENT SALT REJECTION AND HIGH PERMEABLE FLUX PROPERTIES, AND REVERSE OSMOSIS MEMBRANE MANUFACTURED USING THE SAME

#62
20180272284
2018-09-27

Nano wire microporous structure

#63
20180215882
2018-08-02

Swellable and insoluble nanofibers and use thereof in the treatment of essentially aqueous effluents

#64
20180178169
2018-06-28

Multilayer Composite Gas Separation Membranes with two Selective Layers

#65
20180169594
2018-06-21

Gas separation memebrane

#66
20180056246
2018-03-01

Systems, devices and methods for molecular separation

#67
20180046223
2018-02-15

Composite membrane and method for producing a composite membrane

#68
20180015423
2018-01-18

3D polymer nanofiber membrane composed of 1D individual polymer nanofibers which are quasi-aligned and cross-laminated like grid structure with functions of controlling pore distribution and size, and manufacturing method thereof

#69
20180001268
2018-01-04

Stable facilitated transport membranes for olefin/paraffin separations

#70
20170326503
2017-11-16

Hybrid type filtration structure for filtering liquid

#71
20170232399
2017-08-17

Process for manufacturing a fluidic element and fluidic element manufactured using said process

#72
20170197182
2017-07-13

Process for improved water flux through a TFC membrane

#73
20170090293
2017-03-30

Filtration filter, filtration method, production method of purified liquid chemical product for lithography, and method of forming resist pattern

#74
20170050143
2017-02-23

METHOD FOR REMOVING DUST FROM FLUE GAS USING EMULSION LIQUID MEMBRANE

#75
20170036173
2017-02-09

MEMBRANES AND METHOD FOR THE PRODUCTION THEREOF

#76
20170029586
2017-02-02

Process for preparing membranes

#77
20160339397
2016-11-24

Methods of making crosslinked membranes utilizing an inert gas atmosphere

#78
20160325236
2016-11-10

Composite hollow fiber membrane and manufacturing method thereof

#79
20160263534
2016-09-15

Compatibilized immiscible polymer blends and molecular sieve membranes thereof

#80
20160256833
2016-09-08

Membranes

#81
20160215110
2016-07-28

Co-ABPBI membranes and process for the preparation thereof

#82
20160136587
2016-05-19

ZWITTERION-FUNCTIONALIZED COPOLYMER HOLLOW-FIBER MEMBRANES AND ASSOCIATED METHOD

#83
20160114294
2016-04-28

Polyelectrolyte Multilayer Films for Gas Separation and Purification

#84
20160082395
2016-03-24

Electrolyte-separating membrane for selective transfer of cations through the membrane and process for manufacturing said membrane

#85
20160051945
2016-02-25

Pervaporation membranes derived from polycyclo-olefinic block copolymers

#86
20160046752
2016-02-18

Polycyclo-olefinic block copolymers

#87
20160046657
2016-02-18

Organopalladium compounds as polymerization catalysts

#88
20160008767
2016-01-14

METHOD OF PRODUCING COMPOSITE FOR ACID GAS SEPARATION

#89
20160008766
2016-01-14

Method for producing acid gas separation composite membrane, and acid gas separation membrane module

#90
20160008765
2016-01-14

Method for producing acid gas separation composite membrane, and acid gas separation membrane module

#91
20160008764
2016-01-14

Method of producing composite for acid gas separation and apparatus for producing same

#92
20150375179
2015-12-31

METHOD OF MANUFACTURING POLYAMIDE-BASED REVERSE OMOSIS MEMBRANE HAVING EXCELLENT SALT REJECTION AND HIGH PERMEABLE FLUX PROPERTIES, AND REVERSE OSMOSIS MEMBRANE MANUFACTURED USING THE SAME

#93
20150367290
2015-12-24

Fouling inhibitor, filtration membrane and method for producing same

#94
20150367287
2015-12-24

Spliced fiber-reinforced outer shell for cylindrical filtration element

#95
20150343388
2015-12-03

CONSTRUCTIONS FOR FLUID MEMBRANE SEPARATION DEVICES

#96
20150343387
2015-12-03

Membranes having antibiotic and hydrophilic properties and preparation method thereof

#97
20150328593
2015-11-19

Microporous membrane and manufacturing process therefor

#98
20150321152
2015-11-12

METHODS TO FABRICATE, MODIFY, REMOVE AND UTILIZE FLUID MEMBRANES

#99
20150321149
2015-11-12

SELECTIVE MEMBRANES FORMED BY ALIGNMENT OF POROUS MATERIALS

#100
20150306548
2015-10-29

Composite polyamide membrane made via interfacial polymerization using a blend of non-polar solvents

#101
20150299001
2015-10-22

Anion exchange membranes and process for making

#102
20150298066
2015-10-22

Composite polyamide membrane made using substituted benzamide monomer

#103
20150298065
2015-10-22

High flux high efficiency nanofiber membranes and methods of production thereof

#104
20150290596
2015-10-15

Carbon molecular sieve membranes for nitrogen/methane separation

#105
20150274891
2015-10-01

MEMBRANES WITH IMPROVED FLUX AND METHOD FOR THEIR PREPARATION

#106
20150273405
2015-10-01

FLUID SEPARATION UNIT

#107
20150273399
2015-10-01

SYSTEMS AND METHODS FOR FABRICATION OF FORWARD OSMOSIS MEMBRANES USING ROLL-TO-ROLL PROCESSING

#108
20150238908
2015-08-27

Filtration membranes with nanoscale patterns

#109
20150232506
2015-08-20

Porous hollow fiber membrane

#110
20150224453
2015-08-13

Method for fabricating polyethersulfone nanofiber membrane by electrospinning

#111
20150209736
2015-07-30

Composite separation membrane

#112
20150209715
2015-07-30

Method for producing a filter for the adsorption of volatile hydrocarbons

#113
20150174809
2015-06-25

Production method of deformed porous hollow fiber membrane

#114
20150174534
2015-06-25

Membrane derived from polyfunctional amine and combination of different polyfunctional amine-reactive monomers

#115
20150165387
2015-06-18

Composite polyamide membrane with improved structure

#116
20150165385
2015-06-18

Separation membrane, method for preparing the same and unit for purification

#117
20150151255
2015-06-04

Composite polyamide membrane

#118
20150147470
2015-05-28

Thin film composite membrane derived from tetra-functional acyl halide monomer

#119
20150144552
2015-05-28

Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)

#120
20150129496
2015-05-14

Composite membrane comprising layer of perfluoropolyether on hydrophilic substrate

#121
20150129485
2015-05-14

Composite polyamide membrane with increased carboxylic acid functionality

#122
20150128545
2015-05-14

METHOD FOR PRODUCING A NONWOVEN FABRIC

#123
20150094445
2015-04-02

Asymmetric modified carbon molecular sieve hollow fiber membranes having improved permeance

#124
20150089911
2015-04-02

Air-permeable film imparted with oil repellency

#125
20150076056
2015-03-19

DEVICE FOR USE IN FLUID PURIFICATION

#126
20150075406
2015-03-19

POROUS BODY AND PROCESS FOR MANUFACTURING SAME

#127
20150056372
2015-02-26

Separation membrane manufacturing method

#128
20150027948
2015-01-29

Backwashable filtration element

#129
20150027945
2015-01-29

Membrane filter including bile acid and a method of manufacturing the same

#130
20140370191
2014-12-18

Composite polyamide membrane

#131
20140353238
2014-12-04

SILVER-COATED FABRIC FOR FILTER MEMBRANE INTEGRATION

#132
20140339155
2014-11-20

POROUS POLYTETRAFLUOROETHYLENE MEMBRANE, POROUS-POLYTETRAFLUOROETHYLENE-MEMBRANE COMPOSITE, AND SEPARATION MEMBRANE ELEMENT

#133
20140339153
2014-11-20

Monofilament-reinforced hollow fiber membrane

#134
20140305863
2014-10-16

Composite membranes

#135
20140260986
2014-09-18

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

#136
20140230653
2014-08-21

Ultrathin, molecular-sieving graphene oxide membranes for separations along with their methods of formation and use

#137
20140224124
2014-08-14

Cardo copolybenzimidazoles, gas separation membranes and preparation method thereof

#138
20140210118
2014-07-31

Polymer or polymer composite membrane having through-thickness micropores, and method for preparing same

#139
20140137738
2014-05-22

High Efficiency Low Pressure Drop Synthetic Fiber Based Air Filter Made Completely From Post Consumer Waste Materials

#140
20140021128
2014-01-23

MEMBRANE SUPPORTING STRUCTURE AND TUBULAR MEMBRANE

#141
20140014518
2014-01-16

Active components and membranes for electrochemical compression

#142
20130327702
2013-12-12

STRUCTURE OF AN ELECTROCHEMICAL SEPARATION MEMBRANE AND MANUFACTURING METHOD FOR FABRICATING THE SAME

#143
20130313187
2013-11-28

Resilient Ion Exchange Membranes

#144
20130306560
2013-11-21

PVDF MEMBRANES HAVING A SUPERHYDROPHOBIC SURFACE

#145
20130299417
2013-11-14

POROUS POLYMER MEMBRANES

#146
20130284665
2013-10-31

REVERSE OSMOSIS SEPARATION MEMBRANE HAVING HIGH DEGREE OF SALT REJECTION AND HIGH PERMEATION FLUX AND METHOD OF MANUFACTURING THE SAME

#147
20130284022
2013-10-31

Composition for formation of carbon dioxide separation membrane, carbon dioxide separation membrane and process for production thereof, and carbon dioxide separation apparatus

#148
20130277318
2013-10-24

Ultrafiltration membranes fabricated from sulfonated polyphenylenesulfones

#149
20120325737
2012-12-27

POLYMER OR POLYMER COMPOSITE MEMBRANE HAVING THROUGH-THICKNESS MICROPORES, AND METHOD FOR PREPARING SAME

#150
20120273409
2012-11-01

Monofilament-reinforced hollow fiber membrane

#151
20120264030
2012-10-18

Membrane electrode assemblies and fuel cells with long lifetime

#152
20120201860
2012-08-09

Ultra-thin metal oxide and carbon-metal oxide films prepared by atomic layer deposition (ALD)

#153
20120145631
2012-06-14

Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood

#154
20120125850
2012-05-24

Deformed porous hollow fiber membrane, production method of deformed porous hollow fiber membrane, and module, filtration device, and water treatment method in which deformed porous hollow fiber membrane is used

#155
20120073791
2012-03-29

Energy recovery ventilation sulfonated block copolymer laminate membrane

#156
20120025414
2012-02-02

Formation and encapsulation of molecular bilayer and monolayer membranes

#157
20110210064
2011-09-01

Filtration material

#158
20110203720
2011-08-25

PROCESS FOR MAKING FIBER-ON-END MATERIALS

#159
20110198282
2011-08-18

HIGH FLUX HIGH EFFICIENCY NANOFIBER MEMBRANES AND METHODS OF PRODUCTION THEREOF

#160
20110180944
2011-07-28

Method for making enclosures filled with liquid and closed by a membrane

#161
20110163035
2011-07-07

Nanofiber-containing membrane, a composite membrane, a process for producing them and their use

#162
20110030557
2011-02-10

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials

#163
20100219123
2010-09-02

Nano-fiber material and salt rejection filtration material

#164
20100203400
2010-08-12

Humidifier membrane

#165
20100178468
2010-07-15

Ultra-thin microporous/hybrid materials

#166
20090220739
2009-09-03

SELECTIVELY PERMEABLE FILMS

#167
20080060995
2008-03-13

Semi-Permeable Membrane

#168
20080035574
2008-02-14

Membrane Barrier films and method of use

#169
20070284303
2007-12-13

Nanometer scale structures

#170
20070181490
2007-08-09

Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)

#171
20060263659
2006-11-23

Polymer electrolyte membrane and fuel cell using the polymer electrolyte membrane

#172
20060201884
2006-09-14

High flux, microporous, sieving membranes and separators containing such membranes and processes using such membranes

#173
20060144782
2006-07-06

Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood

#174
20060046134
2006-03-02

Polymer electrolyte membrane and fuel cell employing the same

#175
20060040053
2006-02-23

Preparation of asymmetric membranes using hot-filament chemical vapor deposition

#176
20050214163
2005-09-29

Bilayer lipid membrane forming device and bilayer lipid membrane forming method

#177
20050069937
2005-03-31

Spotting method onto and data reading method from biochemical analysis unit

#178
15203514
2018-11-13

Highly selective, ultralight, electro-spun filter media for separating oil-water mixtures