ClassID:

30941

B01D2325/48 - CPC Classification

Classification description:

Details relating to properties of membranes Antimicrobial properties

Recent Application in this class:
#1
20250382728
2025-12-18

DOUBLE-LAYER FUNCTIONALIZED HOLLOW FIBER MEMBRANE AND PREPARATION METHOD THEREOF

#2
20250360465
2025-11-27

Nanostructured high-performance thin film composite reverse osmosis membranes and methods of manufacture

#3
20250188233
2025-06-12

MULTIBLOCK COPOLYMER FILMS, METHODS OF MAKING SAME, AND USES THEREOF

#4
20250144573
2025-05-08

DURABLE BIOFOULING PROTECTION

#5
20250091018
2025-03-20

DURABLE BIOFOULING PROTECTION

#6
20250073648
2025-03-06

NANOFILTRATION MEMBRANE PREPARATION METHOD, AND NANOFILTRATION MEMBRANE PREPARED THEREBY

#7
20240350980
2024-10-24

Durable biofouling protection

#8
20240342658
2024-10-17

Energy Recovery Ventilator

#9
20240325987
2024-10-03

Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation

#10
20240292842
2024-09-05

Compositions Containing Rare Earth Oxides and Precious Metals for Biological Contaminant Removal

#11
20240278172
2024-08-22

ELECTROSPUN POLYMERIC NANOFIBER FILTER MATERIAL AND DEVICES

#12
20240246036
2024-07-25

ANTIFOULING MEMBRANES, FILTRATION SYSTEMS, AND RELATED ASPECTS FOR CONTINUOUS MOLECULAR HARVESTING AND OTHER APPLICATIONS

#13
20240238735
2024-07-18

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

#14
20240033692
2024-02-01

SYSTEM AND METHOD FOR SILVER-NANOPARTICLE-COATED MEMBRANES

#15
20230356154
2023-11-09

HOLLOW FIBER MEMBRANE FOR ENCLOSED SPACE AIR REMEDIATION

#16
20230226496
2023-07-20

THIN WALL POLYETHER BLOCK AMIDE MEMBRANE TUBING AND MODULE

#17
20230110094
2023-04-13

HOLLOW FIBER FILTRATION CARTRIDGE AND METHODS THEREOF

#18
20230076317
2023-03-09

Forward osmosis membrane and method of preparing same

#19
20230001359
2023-01-05

Antimicrobial filtration membranes

#20
20220411596
2022-12-29

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

#21
20220387927
2022-12-08

Air conditioning systems based on membranes

#22
20220331746
2022-10-20

Light-driven filtration antibacterial composite membrane and preparation method and use thereof

#23
20220305444
2022-09-29

Anti-microbial metal coatings for filters

#24
20220193617
2022-06-23

METHOD FOR MANUFACTURING A MEMBRANE WITH HIGH PERCOLATION POWER

#25
20220176326
2022-06-09

FIBRE COMPRISING ORGANOSILANE FOR PURIFICATION OF LIQUIDS

#26
20220152560
2022-05-19

Nanobiocatalyst and nanobiocatalytic membrane

#27
20220080367
2022-03-17

Efficient antifouling and hydrophilic polyethersulfone ultrafiltration membrane and preparation method thereof

#28
20220054986
2022-02-24

Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation

#29
20210387146
2021-12-16

COLLECTION OF CELLS FROM BIOLOGICAL FLUID

#30
20210362100
2021-11-25

POLYVINYLIDENE FLUORIDE RESIN-MADE POROUS MEMBRANE AND METHOD FOR PRODUCING SAME

#31
20210354093
2021-11-18

MEMBRANES FOR MEMBRANE DISTILLATION DESALINATION TECHNOLOGY

#32
20210339206
2021-11-04

Antifouling polymer for reverse osmosis and membrane comprising same

#33
20210291119
2021-09-23

Fouling-resistant reverse osmosis membrane, method for producing same, and fouling-resistant reverse osmosis module including same

#34
20210283554
2021-09-16

Durable biofouling protection

#35
20210282403
2021-09-16

Durable biofouling protection

#36
20210236995
2021-08-05

A SEMIPERMEABLE ARRANGEMENT

#37
20210197134
2021-07-01

Filter membrane and device

#38
20210171725
2021-06-10

High performance cross-linked triblock cationic functionalized polymer for electrochemical applications, methods of making and methods of using

#39
20210169085
2021-06-10

ANTIMICROBIAL PHASE-SEPARABLE GLASS/POLYMER COMPOSITE ARTICLES AND METHODS FOR MAKING THE SAME

#40
20210162353
2021-06-03

MIXED MATRIX MEMBRANE WITH GRAPHENE OXIDE AND POLYETHER AMIDE POLYMER FOR DEHYDRATION OF GAS

#41
20210060497
2021-03-04

Thin-film composite polyamide reverse osmosis membrane with anti-bacterial and anti-biofouling effects and preparation method thereof

#42
20210060493
2021-03-04

Thin wall polyether block amide membrane tubing and module

#43
20210046429
2021-02-18

METHODS OF MEMBRANE MODIFICATION

#44
20210031149
2021-02-04

Reverse osmosis membrane with hydrogel coating

#45
20200406201
2020-12-31

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

#46
20200353417
2020-11-12

Thin wall polyether block amide membrane tubing and module

#47
20200339770
2020-10-29

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

#48
20200306699
2020-10-01

Hollow fiber membrane for filtration of liquids

#49
20200261751
2020-08-20

3-DIMENSIONAL NASAL FILTER POD

#50
20200222858
2020-07-16

Filter membrane and device

#51
20200122092
2020-04-23

Composite reverse osmosis membrane and preparation method thereof

#52
20200086279
2020-03-19

Hollow fiber membrane for filtration of liquids

#53
20200001249
2020-01-02

Multilayer articles including coatings containing metal on microfiltration membrane substrates

#54
20200001244
2020-01-02

Nanobiocatalyst and nanobiocatalytic membrane

#55
20190351375
2019-11-21

Universal scalable and cost-effective surface modifications

#56
20190329188
2019-10-31

MEMBRANE FOR THE ADSORPTION OF BACTERIA

#57
20190282968
2019-09-19

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

#58
20190247793
2019-08-15

Ultrafiltration membrane based on bacterial nanocellulose and graphene oxide

#59
20190224632
2019-07-25

Polymeric water-separation membrance containing sulfonated inorganic particles

#60
20190201822
2019-07-04

ELECTROSPUN HIGH TEMPERATURE ELASTOMER MATERIALS FOR WATER FILTER MEDIA

#61
20190201816
2019-07-04

DOUBLE LAYER PLEATED MEDIA FOR SEAL WITH WATER PURIFIER CARTRIDGE CAPS

#62
20190174749
2019-06-13

Colloidal antimicrobial and anti-biofouling coatings for surfaces

#63
20190168172
2019-06-06

Preparation of hand-carry gravity-driven water filter with high throughput and water disinfection performance

#64
20190100633
2019-04-04

High performance cross-linked triblock cationic functionalized polymer for electrochemical applications, methods of making and methods of using

#65
20190099724
2019-04-04

Method, spinneret and system for fabricating multilayer membranes

#66
20190055327
2019-02-21

Method for manufacturing filter membrane for inhibiting microorganisms

#67
20190022600
2019-01-24

POROUS POLYMER MEMBRANES COMPRISING SILICATE

#68
20190015789
2019-01-17

Antifouling and antimicrobial coatings for thin film composite membranes

#69
20180345227
2018-12-06

Composite membranes and methods of making and use thereof

#70
20180310568
2018-11-01

Antimicrobial phase-separable glass/polymer composite articles and methods for making the same

#71
20180304208
2018-10-25

Two-dimensional metal carbide antimicrobial membrane and antimicrobial agent

#72
20180169591
2018-06-21

Two-dimensional metal carbide desalination membrane

#73
20180133662
2018-05-17

Compound for fouling resistance, membrane for fouling resistance, and method of preparing membrane for fouling resistance

#74
20180133658
2018-05-17

ADSORPTIVE MEMBRANE

#75
20180126338
2018-05-10

NEW POLYMER COMPOSITIONS

#76
20180126316
2018-05-10

Gas filter

#77
20170296986
2017-10-19

Universal scalable and cost-effective surface modifications

#78
20170259213
2017-09-14

Method for preparing antibacterial and dust-removal membrane

#79
20170225126
2017-08-10

Method for producing antifouling coatings made of thin-layer composite membranes for reverse osmosis and nanofiltration

#80
20170120198
2017-05-04

In situ formation of biocidal metal nanoparticles on thin-film composite reverse osmosis membranes for biofouling mitigation

#81
20170095775
2017-04-06

Antibacterial and antifouling polymeric separation membrane and preparation method thereof

#82
20170022337
2017-01-26

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

#83
20170001151
2017-01-05

Antifouling and antimicrobial coatings for thin film composite membranes

#84
20160296891
2016-10-13

ORGANIC/INORGANIC HYBRID MEMBRANE FOR FOULING RESISTANCE, METHOD OF PREPARING MEMBRANE FOR FOULING RESISTANCE, AND WATER TREATMENT DEVICE INCLUDING SAID MEMBRANE

#85
20160288056
2016-10-06

POLYMERIC ANTIFOULING ADDITIVES FOR MEMBRANES

#86
20160272512
2016-09-22

Water purification device

#87
20160193572
2016-07-07

Flux enhancing agent for improving composite polyamide reverse osmosis membrane performance

#88
20160038885
2016-02-11

High performance membranes for water reclamation using polymeric and nanomaterials

#89
20160030897
2016-02-04

Hybrid nanoparticle TFC membranes

#90
20160016126
2016-01-21

Fluoropolymer Article For Bacterial Filtration

#91
20160001236
2016-01-07

Universal scalable and cost-effective surface modifications

#92
20150343387
2015-12-03

Membranes having antibiotic and hydrophilic properties and preparation method thereof

#93
20150328592
2015-11-19

THIN FILM COMPOSITE RESERVE OSMOSIS MEMBRANE WITH ANTIFOULING PROPERTIES AND METHOD OF PREPARATION OF THE SAME

#94
20150328588
2015-11-19

FILTRATION SYSTEMS AND MEMBRANES WITH ENHANCED FLUX AND METHOD FOR THEIR PREPARATION

#95
20150328385
2015-11-19

Combination of a single-station reverse osmosis device with a hemodialysis device

#96
20150314242
2015-11-05

POLYURETHANE BLOCK COPOLYMER BASED ON POLY SILOXANE TENSIDE FOR MEMBRANES

#97
20150202575
2015-07-23

Composite membranes and methods of preparation thereof

#98
20150182920
2015-07-02

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

#99
20150059578
2015-03-05

Selective water vapour transport membranes comprising a nanofibrous layer and methods for making the same

#100
20140295079
2014-10-02

Hybrid nanoparticle TFC membranes

#101
20140217014
2014-08-07

Composite filtration membranes and methods of preparation thereof

#102
20140217012
2014-08-07

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

#103
20140199777
2014-07-17

Graphene oxide filters and methods of use

#104
20140054228
2014-02-27

Flux enhancing agent for improving composite polyamide reverse osmosis membrane performance

#105
20130334130
2013-12-19

Fouling resistant coating for filtration membranes and methods of producing and using same

#106
20130277300
2013-10-24

Methods of membrane modification

#107
20130264277
2013-10-10

ANTIMICROBIAL FILTER

#108
20130240437
2013-09-19

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

#109
20130228511
2013-09-05

Antibiofouling composition, antibiofouling membrane and method for forming the same

#110
20130152786
2013-06-20

Seeding method for deposit of thin selective membrane layers

#111
20130146539
2013-06-13

Membrane with localized asymmetries

#112
20130108845
2013-05-02

OLEOPHOBIC MEMBRANE STRUCTURES INCLUDING A POROUS POLYMERIC COATING

#113
20130068689
2013-03-21

Membrane distillation modules using oleophobically and antimicrobially treated microporous membranes

#114
20130068615
2013-03-21

Membrane and Sensor with Membrane

#115
20130052277
2013-02-28

PROCESS FOR THE PREPARATION OF AN ANTIMICROBIAL ARTICLE

#116
20130032518
2013-02-07

Combination of a single-station reverse osmosis device with a hemodialysis device

#117
20130004454
2013-01-03

Polyurethane block copolymer based on poly siloxane tenside for membranes

#118
20120325748
2012-12-27

Antimicrobial water treatment membranes and production thereof

#119
20120318731
2012-12-20

BIOFUNCTIONALIZED MICROFILTRATION OR ULTRAFILTRATION MEMBRANE

#120
20120298578
2012-11-29

SYSTEMS AND METHODS FOR FILTRATION

#121
20120292247
2012-11-22

Complex filter and water purifier including complex filter

#122
20120261344
2012-10-18

Hybrid nanoparticle TFC membranes

#123
20120255898
2012-10-11

Semipermeable polymers and method for producing same

#124
20120241373
2012-09-27

Composite membranes and methods of preparation thereof

#125
20120241371
2012-09-27

Membranes having aligned 1-D nanoparticles in a matrix layer for improved fluid separation

#126
20120226258
2012-09-06

DEVICE AND METHOD FOR ELIMINATING BIOLOGICALLY HARMFUL SUBSTANCES FROM BODILY FLUIDS

#127
20120145632
2012-06-14

ELECTROSPINNING OF POLYAMIDE NANOFIBERS

#128
20120137885
2012-06-07

Nanofibre membrane layer for water and air filtration

#129
20120114883
2012-05-10

Layered adaptive membrane structure

#130
20120061045
2012-03-15

Coated membranes for enthalpy exchange and other applications

#131
20120048799
2012-03-01

Composite filtration membranes and methods of preparation thereof

#132
20120048798
2012-03-01

Composite filtration membranes and methods of preparation thereof

#133
20120024789
2012-02-02

Surface modification of polyamide reverse osmosis membranes

#134
20120000845
2012-01-05

Nanoporous films and method for manufacturing the same

#135
20110297609
2011-12-08

Aircraft potable water system

#136
20110290715
2011-12-01

FLUID FILTER AND FILTER SYSTEM

#137
20110244013
2011-10-06

Microporous material from ethylene-chlorotrifluoroethylene copolymer and method for making same

#138
20110233138
2011-09-29

Polymer composition and dialysis membrane formed from the polymer composition

#139
20110203720
2011-08-25

PROCESS FOR MAKING FIBER-ON-END MATERIALS

#140
20110198764
2011-08-18

AERATION SYSTEM WITH ANTIMICROBIAL PROPERTIES

#141
20110189469
2011-08-04

Functionalized thin film polyamide membranes

#142
20110186518
2011-08-04

Polymer composition with phytochemical and dialysis membrane formed from the polymer composition

#143
20110177742
2011-07-21

FUNCTIONAL SHEET

#144
20110174728
2011-07-21

Polysulfone polymers and membranes for reverse osmosis, nanofiltration and ultrafiltration

#145
20110155660
2011-06-30

MODIFIED MEMBRANE

#146
20110120942
2011-05-26

Modified polyamide membrane

#147
20110120941
2011-05-26

Composite membranes with performance enhancing layers

#148
20110120936
2011-05-26

Anti-Biofouling Materials and Methods of Making Same

#149
20110091717
2011-04-21

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

#150
20110062076
2011-03-17

Spiral wound type filter cartridge

#151
20110027599
2011-02-03

Nanocomposite membranes and methods of making and using same

#152
20110024355
2011-02-03

ANTIMICROBIAL MEMBRANES

#153
20110011786
2011-01-20

Devices for and methods of monitoring a parameter of a fluidic sample by microdialysis

#154
20110005997
2011-01-13

Hybrid TFC RO membranes with nitrogen additives

#155
20100320143
2010-12-23

COMPOSITE SEMIPERMEABLE MEMBRANES AND PROCESS FOR PRODUCTION THEREOF

#156
20100272941
2010-10-28

DURABLE WATER- AND OIL- RESISTANT, BREATHABLE MICROPOROUS MEMBRANE

#157
20100224555
2010-09-09

NANOCOMPOSITE MEMBRANES AND METHODS OF MAKING AND USING SAME

#158
20100178489
2010-07-15

Composite semipermeable membrane

#159
20100151190
2010-06-17

Adaptive membrane structure with insertable protrusions

#160
20100118642
2010-05-13

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

#161
20100112199
2010-05-06

Method of transferring nanoparticles using a microporous article having metallic nanoparticle coating

#162
20100108494
2010-05-06

Microporous article having metallic nanoparticle coating

#163
20100096327
2010-04-22

POLYMER COATINGS THAT RESIST ADSORPTION OF PROTEINS

#164
20100077529
2010-04-01

ARTICLE, LAMINATE AND ASSOCIATED METHODS

#165
20100062156
2010-03-11

Reverse osmosis membranes

#166
20100059433
2010-03-11

POLYMER DEPOSITION AND MODIFICATION OF MEMBRANES FOR FOULING RESISTANCE

#167
20100051538
2010-03-04

Water purification membranes with improved fouling resistance

#168
20100044902
2010-02-25

Composite semipermeable membrane and process for producing the same

#169
20100015355
2010-01-21

Method for making a microporous membrane

#170
20100006495
2010-01-14

Semipermeable polymers and method for producing same

#171
20100000945
2010-01-07

Filtering apparatus and method of use

#172
20090314696
2009-12-24

Adaptive membrane structure

#173
20090272692
2009-11-05

THIN FILM MEMBRANES WITH ADDITIVES FOR FORWARD AND PRESSURE RETARDED OSMOSIS

#174
20090230585
2009-09-17

Methods of making a mixture for a PTFE membrane with metal oxides, and compositions related thereto

#175
20090220739
2009-09-03

SELECTIVELY PERMEABLE FILMS

#176
20090205116
2009-08-20

ARTICLE, LAMINATE AND ASSOCIATED METHODS

#177
20090197078
2009-08-06

Flexible plasma polymer products, corresponding items and use thereof

#178
20090194479
2009-08-06

MODIFIED POLYAMINE MEMBRANE

#179
20090188860
2009-07-30

Use of antimicrobials in water technology

#180
20090159527
2009-06-25

Modified membrane

#181
20080302243
2008-12-11

Filter membrane

#182
20080277332
2008-11-13

Micromachined membrane filter device for a glaucoma implant and method for making the same

#183
20080185332
2008-08-07

Modified polyamide membrane

#184
20080083670
2008-04-10

COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#185
20080060419
2008-03-13

METHOD OF TESTING THE INTEGRITY OF DIALYSIS CIRCUIT FILTERS

#186
20080023125
2008-01-31

Processes for making fiber-on-end materials

#187
20080023015
2008-01-31

PROCESSES FOR MAKING FIBER-ON-END MATERIALS

#188
20070056256
2007-03-15

Electrostatic air filter

#189
20060280906
2006-12-14

Adaptive membrane structure with insertable protrusions

#190
20060251874
2006-11-09

Microporous article having metallic nanoparticle coating

#191
20060194037
2006-08-31

Flexible, breathable polymer film and method for production thereof

#192
20060065598
2006-03-30

Method of treating reverse osmosis membranes for boron rejection enhancement

#193
20050249917
2005-11-10

Adaptive membrane structure