ClassID:

30920

B01D2325/06 - CPC Classification

Classification description:

Details relating to properties of membranes Surface irregularities

Recent Application in this class:
#1
20260091359
2026-04-02

METHOD FOR MANUFACTURING PRODUCT, HOLLOW FIBER MEMBRANE FILTER, AND APPARATUS FOR MANUFACTURING PRODUCT

#2
20260091357
2026-04-02

METHOD FOR MANUFACTURING PRODUCT

#3
20260084116
2026-03-26

SYSTEMS AND METHODS INCLUDING FUSED PARTICLE MEMBRANES FOR FILTRATION

#4
20260084099
2026-03-26

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

#5
20260066475
2026-03-05

IMPROVED STRENGTH MICROPOROUS MEMBRANES, SEPARATOR MEMBRANES, BASE FILMS, AND BATTERY SEPARATORS

#6
20260014526
2026-01-15

WATER TREATMENT METHOD

#7
20260008016
2026-01-08

METHOD FOR MAKING POLYSULFONE-BASED MEMBRANE

#8
20250332546
2025-10-30

ION EXCHANGE MEMBRANE, METHOD FOR MANUFACTURING ION EXCHANGE MEMBRANE, AND ION EXCHANGE MEMBRANE CELL

#9
20250281884
2025-09-11

HOLLOW FIBER MEMBRANE, HOLLOW FIBER MEMBRANE MODULE, WASTEWATER TREATMENT DEVICE, AND WASTEWATER TREATMENT METHOD

#10
20250281873
2025-09-11

SEPARATION MEMBRANE SYSTEM

#11
20250262592
2025-08-21

Gas Separation Membrane And Method For Manufacturing Gas Separation Membrane

#12
20250256247
2025-08-14

COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR PRODUCING COMPOSITE SEMIPERMEABLE MEMBRANE

#13
20250170532
2025-05-29

BETA-CYCLODEXTRIN THIN FILM COMPOSITE MEMBRANES FOR NANOFILTRATION

#14
20250170531
2025-05-29

POLYAMIDE THIN FILM COMPOSITE MEMBRANES FOR NANOFILTRATION

#15
20250135406
2025-05-01

POROUS MEMBRANE LAMINATE

#16
20250122647
2025-04-17

HOLLOW FIBRES

#17
20250109529
2025-04-03

HOLLOW FIBRES

#18
20250083111
2025-03-13

LINEAR MULTIFUNCTIONAL ALIPHATIC AND HYPER-CROSS-LINKED POLYAMIDE MEMBRANE

#19
20250073646
2025-03-06

PRASEODYMIUM AND POLYAMINE FUNCTIONALIZED MESOPOROUS SILICA-BASED MEMBRANES

#20
20250058285
2025-02-20

PHOTOCATALYTIC SELF-CLEANING POLYPYRROLE/TiO2-PVDF NANOCOMPOSITE BASED FILTRATION MEMBRANE

#21
20250041792
2025-02-06

Gas Separation Membrane Unit And Gas Separation Apparatus

#22
20250032994
2025-01-30

METHODS AND APPARATUS FOR FORMING APERTURES IN A SOLID STATE MEMBRANE USING DIELECTRIC BREAKDOWN

#23
20240416287
2024-12-19

TRIAMINE-FUNCTIONALIZED MCM-41-BASED FILTRATION MEMBRANE

#24
20240390863
2024-11-28

SEPARATION MEMBRANE COMPLEX, MIXED GAS SEPARATION APPARATUS, AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX

#25
20240382907
2024-11-21

COMPOSITE SEMIPERMEABLE MEMBRANE

#26
20240367108
2024-11-07

Forward Osmosis Membrane Module and Manufacturing Method Therefor

#27
20240325988
2024-10-03

POLYSULFONE-BASED MEMBRANE FOR FRACTIONATION OF ERICHROME BLACK T (EBT)/DIVALENT SALTS, AND A METHOD OF MAKING THE SAME

#28
20240307831
2024-09-19

REVERSE OSMOSIS MEMBRANE AND METHOD OF PRODUCING THE SAME

#29
20240299884
2024-09-12

METHODS AND APPARATUS FOR FORMING APERTURES IN A SOLID STATE MEMBRANE USING DIELECTRIC BREAKDOWN

#30
20240279060
2024-08-22

METHOD FOR PRODUCING PURIFIED AQUEOUS HYDROGEN PEROXIDE SOLUTION

#31
20240278184
2024-08-22

Composite semipermeable membrane

#32
20240238735
2024-07-18

HYDROPHILIC GRAFTING STABILIZING A LAYER OF CRYSTALLINE FRAMEWORK STRUCTURES ON POLYMERIC MEMBRANES, METHOD OF PREPARATION AND USES THEREOF

#33
20240216869
2024-07-04

ASSAY FOR FILTRATION OF SUSPENDED PARTICLES IN MICROPOROUS MEMBRANES

#34
20240198294
2024-06-20

Composite semipermeable membrane

#35
20240173666
2024-05-30

COMPOSITE SEPARATOR FOR GAS SEPARATION

#36
20230383013
2023-11-30

POROUS POLYMERIC CELLULOSE PREPARED VIA CELLULOSE CROSSLINKING

#37
20230330603
2023-10-19

SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX

#38
20230302413
2023-09-28

COMPOSITE SEMIPERMEABLE MEMBRANE AND SPIRAL MEMBRANE ELEMENT

#39
20230271143
2023-08-31

CERAMIC FLAT MEMBRANE

#40
20230256391
2023-08-17

FORMED SHEET MEMBRANE ELEMENT AND FILTRATION SYSTEM

#41
20230249137
2023-08-10

FILTRATION APPARATUS CONTAINING ALKYLATED GRAPHENE OXIDE MEMBRANE

#42
20230241559
2023-08-03

Reverse osmosis membrane and method of producing the same

#43
20230191335
2023-06-22

A SEMI-CRYSTALLINE POLYMER MEMBRANE

#44
20230137305
2023-05-04

Porous Liquid, Self-Replenishing Porous Liquid And Methods Of Making And Using The Same

#45
20230093327
2023-03-23

Composite membrane and methods of fabrication thereof

#46
20230072241
2023-03-09

COMPOSITE BODY AND USE THEREOF IN ORGANOPHILIC NANOFILTRATION

#47
20230043774
2023-02-09

GAS SEPARATION MEMBRANE, GAS SEPARATION MEMBRANE ELEMENT AND GAS PRODUCTION METHOD

#48
20230015482
2023-01-19

POROUS POLYTETRAFLUOROETHYLENE MEMBRANE HAVING A MACRO-TEXTURED SURFACE AND METHOD OF MAKING THE SAME

#49
20230001363
2023-01-05

Composite semi-permeable membrane

#50
20220379264
2022-12-01

Hydrophobic barrier layer for ceramic indirect evaporative cooling systems

#51
20220184288
2022-06-16

OXYGENATOR FIBER MEMBRANE WITH MODIFIED SURFACE PROPERTIES

#52
20220161203
2022-05-26

TUBULAR MEMBRANE COMPRISING LONGITUDINAL RIDGES, DEVICE PROVIDED THEREWITH AND METHOD FOR PRODUCING SUCH MEMBRANE

#53
20220161199
2022-05-26

Assay for filtration of suspended particles in microporous membranes

#54
20220152584
2022-05-19

GAS-TIGHT, HEAT-PERMEABLE MULTILAYER CERAMIC COMPOSITE TUBE

#55
20220088546
2022-03-24

Porous Membranes Including Triblock Copolymers

#56
20220032238
2022-02-03

Thin metal/ceramic hybrid membrane sheet and filter

#57
20210394126
2021-12-23

Use of polyvinylpyrrolidone in the preparation of ana-ZMOF thin film membranes for separation processes

#58
20210339207
2021-11-04

SMOOTH POLYMER MEMBRANES AND ELECTROSPRAY PRINTING METHODS OF MAKING THEREOF

#59
20210308630
2021-10-07

Support for Nano-Thickness Membranes

#60
20210308625
2021-10-07

Hydrophobic barrier layer for ceramic indirect evaporative cooling systems

#61
20210205764
2021-07-08

Asymmetric polytetrafluoroethylene composite having a macro-textured surface and method for making the same

#62
20210171665
2021-06-10

Porous polymeric cellulose prepared via cellulose crosslinking

#63
20210101811
2021-04-08

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

#64
20210069650
2021-03-11

Fluid separation apparatus comprising fluid separation membrane, and fluid separation membrane module

#65
20210001282
2021-01-07

Composite semipermeable membrane and composite semipermeable membrane element

#66
20200179880
2020-06-11

Methods and apparatus for forming apertures in a solid state membrane using dielectric breakdown

#67
20200147545
2020-05-14

Porous liquid and methods of making and using the same

#68
20200101419
2020-04-02

Dehydration method, dehydration apparatus, and membrane structure

#69
20200070102
2020-03-05

Thin metal/ceramic hybrid membrane sheet and filter

#70
20200038814
2020-02-06

Separating membrane and method for manufacturing separating membrane

#71
20200038810
2020-02-06

Formed sheet membrane element and filtration system

#72
20190322820
2019-10-24

Processes for forming fluoropolymer articles

#73
20190255487
2019-08-22

Spiral membrane element

#74
20190247801
2019-08-15

Porous membrane and process for producing porous membrane

#75
20190247794
2019-08-15

Spiral membrane element

#76
20190232233
2019-08-01

Selectively-permeable membrane

#77
20190232218
2019-08-01

Filter membrane

#78
20190217253
2019-07-18

Self-coiling hollow fibre membrane

#79
20190209974
2019-07-11

IMPROVED FILTRATION MEMBRANE

#80
20190176082
2019-06-13

Carbon membrane for fluid separation and carbon membrane module for fluid separation

#81
20190151799
2019-05-23

Filter membrane with bi-directional flow enhancing features

#82
20190099719
2019-04-04

Hollow fiber membrane modified with molybdenum trioxide nanoparticles

#83
20190062458
2019-02-28

Porous polymeric cellulose prepared via cellulose crosslinking

#84
20190060838
2019-02-28

POROUS MOLDED BODY

#85
20190030493
2019-01-31

Smooth polymer membranes and electrospray printing methods of making thereof

#86
20180369760
2018-12-27

Porous membrane and method of production thereof

#87
20180345227
2018-12-06

Composite membranes and methods of making and use thereof

#88
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

#89
20180318771
2018-11-08

Separation membrane, separation membrane element, water purifier, and method for producing separation membrane

#90
20180280886
2018-10-04

Fluid separation apparatus comprising fluid separation membrane, and fluid separation membrane module

#91
20180207591
2018-07-26

Thin film composites having graphene oxide quantum dots

#92
20180207589
2018-07-26

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

#93
20180187022
2018-07-05

Sanitation systems and components thereof having a slippery surface

#94
20180179718
2018-06-28

Oil fence with oil filtration membrane

#95
20180179352
2018-06-28

Ultra-thin polymer film and porous ultra-thin polymer film

#96
20180147546
2018-05-31

Method for producing gas separation composite membrane, liquid composition, gas separation composite membrane, gas separation module, gas separation apparatus, and gas separation method

#97
20180141007
2018-05-24

Methods and apparatus for forming apertures in a solid state membrane using dielectric breakdown

#98
20180127594
2018-05-10

Containers, bottles, drums, vats, and tanks having a slippery surface

#99
20180104657
2018-04-19

METHOD OF MAKING A GOLD ON PALLADIUM GAS SEPARATION MEMBRANE

#100
20180056243
2018-03-01

Plasma extractor

#101
20170361274
2017-12-21

Nanoscale gaseous material filtering and pumping systems and methods of use thereof

#102
20170266625
2017-09-21

Composite hollow fiber membrane module and manufacturing method therefor

#103
20170225103
2017-08-10

Filter element and filter unit

#104
20170222235
2017-08-03

Humidifier, plate, device, and motor vehicle

#105
20170182494
2017-06-29

Flowcells with microretainers and particle separators for discrete seeding microspots

#106
20170165611
2017-06-15

Membrane with performance enhancing multi-level macroscopic cavities

#107
20170029586
2017-02-02

Process for preparing membranes

#108
20170028353
2017-02-02

Formed sheet membrane element and filtration system

#109
20170015835
2017-01-19

Slippery surfaces with high pressure stability, optical transparency, and self-healing characteristics

#110
20170014754
2017-01-19

Gas separation composite and method of producing same

#111
20160375405
2016-12-29

Monolithic separation membrane structure and method for producing monolithic separation membrane structure

#112
20160367947
2016-12-22

Asymmetric polytetrafluoroethylene composite having a macro-textured surface and method for making the same

#113
20160361463
2016-12-15

Ultrathin parylene-C semipermeable membranes for biomedical applications

#114
20160354728
2016-12-08

Hollow-fiber membrane blood purification device

#115
20160339393
2016-11-24

Maintenance of gas layers for fouling prevention on submerged surfaces

#116
20160317979
2016-11-03

GRAPHENE MEMBRANES AND METHODS FOR MAKING AND USING THE SAME

#117
20160193564
2016-07-07

Processes utilising selectively permeable membranes

#118
20160077042
2016-03-17

PHOSPHATE SENSOR, ITS USE AND ITS METHOD OF PREPARATION

#119
20160016118
2016-01-21

MEMBRANE FOR DISTILLATION INCLUDING NANOSTRUCTURES, METHODS OF MAKING MEMBRANES, AND METHODS OF DESALINATION AND SEPARATION

#120
20150190759
2015-07-09

Composite semipermeable membrane

#121
20150152136
2015-06-04

Membrane with surface channels

#122
20150068451
2015-03-12

Supported gas separation membrane and method

#123
20150056399
2015-02-26

Ultra-thin polymer film, and porous ultra-thin polymer film

#124
20150041388
2015-02-12

SEPARATION MEMBRANE AND SEPARATION MEMBRANE ELEMENT

#125
20150007721
2015-01-08

Hydrophobic or oleophobic microporous polymer membrane with structurally induced beading effect

#126
20140353242
2014-12-04

Water-treatment separating membrane of high flux having good chlorine resistance and method of manufacturing the same

#127
20140319051
2014-10-30

Water-treatment separating membrane of high flux having good chlorine resistance

#128
20140311969
2014-10-23

Water-treatment separating membrane of high flux having good chlorine resistance

#129
20140224726
2014-08-14

Separation membrane element

#130
20140144322
2014-05-29

Hydrogen-separation-membrane protection layer and a coating method therefor

#131
20140120286
2014-05-01

Fluoropolymer articles having a high surface roughness and high coarseness

#132
20130146539
2013-06-13

Membrane with localized asymmetries

#133
20130143326
2013-06-06

Ultrathin parylene-C semipermeable membranes for biomedical applications

#134
20130104740
2013-05-02

Method for preparing a palladium-gold alloy gas separation membrane system

#135
20130092621
2013-04-18

Formed sheet membrane element and filtration system

#136
20130037482
2013-02-14

Composite separation membrane and separation membrane element using the same

#137
20130017416
2013-01-17

Membrane stack for a membrane based process and method for producing a membrane therefor

#138
20130005561
2013-01-03

Composite membrane with integral rim

#139
20120305473
2012-12-06

COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD OF PRODUCING THE SAME

#140
20120285882
2012-11-15

MEMBRANE AND METHOD FOR PRODUCING THE SAME

#141
20120219756
2012-08-30

SEMIPERMEABLE MEMBRANE SUPPORTING BODY, SPIRAL-WOUND SEMIPERMEABLE MEMBRANE ELEMENT, AND METHOD FOR PRODUCING SEMIPERMEABLE MEMBRANE SUPPORTING BODY

#142
20120058302
2012-03-08

FABRICATION OF ANTI-FOULING SURFACES COMPRISING A MICRO- OR NANO-PATTERNED COATING

#143
20110300335
2011-12-08

Cordierite Membrane on a Cordierite Monolith

#144
20110283778
2011-11-24

Micro-structured surface having tailored wetting properties

#145
20110232821
2011-09-29

Supported gas separation membrane and method

#146
20110042218
2011-02-24

Cartridge having textured membrane

#147
20100313758
2010-12-16

GAS ABSORPTION MEMBRANES AND THE MANUFACTURE THEREOF

#148
20100313754
2010-12-16

HYDROGEN PURIFICATION METHOD, HYDROGEN SEPARATION MEMBRANE, AND HYDROGEN PURIFICATION APPARATUS

#149
20100282977
2010-11-11

SPECT camera

#150
20100282680
2010-11-11

SUPERHYDROPHOBIC MEMBRANE DISTILLATION FOR WATER PURIFICATION

#151
20100219079
2010-09-02

METHODS FOR MAKING MEMBRANES BASED ON ANODIC ALUMINUM OXIDE STRUCTURES

#152
20100118642
2010-05-13

Airfoil-shaped micro-mixers for reducing fouling on membrane surfaces

#153
20100104805
2010-04-29

Transparent film

#154
20090139650
2009-06-04

REVERSE OSMOSIS MEMBRANE AND MEMBRANE STACK ASSEMBLY

#155
20090020013
2009-01-22

MEMBRANE BASED DEOXYGENATOR FOR PROCESSING FLUIDS

#156
20080314820
2008-12-25

Permeable Membrane Repelling One or More Liquids

#157
20070256562
2007-11-08

Composite membranes and methods for making same

#158
20070248874
2007-10-25

Hydrogen separation membrane and fuel cell, and manufacturing method therefor

#159
20070163433
2007-07-19

Fuel deoxygenator with non-planar fuel channel and oxygen permeable membrane

#160
20070138008
2007-06-21

Spacer for filled cell electrodialysis

#161
20070095756
2007-05-03

System and method for removal of contaminants from feed solution

#162
20070023290
2007-02-01

Electrochemical ion exchange with textured membranes and cartridge

#163
20060099396
2006-05-11

Nanoporous coatings

#164
20060027101
2006-02-09

Metal coated polymer electrolyte membrane having a reinforcement structure

#165
19190385
2026-06-02

High flux nanofiltration membrane

#166
18444479
2024-10-08

Bi-layered superhydrophobic membrane for water filtration

#167
18134194
2023-09-26

Hydrophobic novel biofilm membrane modified with a spiropolyurethane

#168
17697230
2024-05-21

Robust membrane supporting structures