ClassID:

30901

B01D2323/38 - CPC Classification

Classification description:

Details relating to membrane preparation Graft polymerization

Sub-classes:
Recent Application in this class:
#1
20260014530
2026-01-15

SYNTHESIS OF MEMBRANES GRAFTED WITH AMINE-MODIFIED METAL OXIDE FOR WATER TREATMENT

#2
20250332546
2025-10-30

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

#3
20250325945
2025-10-23

ADSORPTIVE MEMBRANES FOR RECOVERY OF LITHIUM AND SOLAR-DRIVEN RECYCLING OF WATER FROM GEOTHERMAL BRINES

#4
20250177926
2025-06-05

NICKEL OXIDE (NiO)-DECORATED CERAMIC-ALUMINA POLYMERIC MEMBRANE FOR SEPARATION OF OIL-IN-WATER EMULSIONS

#5
20250091017
2025-03-20

TUNABLE HYDROPHILIC CROSSLINKED POLYMER MEMBRANES FOR SEPARATION APPLICATIONS

#6
20250018348
2025-01-16

RAPID AND FACILE MEMBRANE ADSORBER FABRICATION WITH ULTRA HIGH BINDING CAPACITY

#7
20240299878
2024-09-12

CROSSLINKED POLYMER MEMBRANES AND METHODS OF THEIR PRODUCTION

#8
20240207765
2024-06-27

VIRAL FILTRATION MEDIA, ARTICLES, AND METHODS

#9
20240139687
2024-05-02

SCALING-RESISTANT AND YELLOWING-RESISTANT REVERSE OSMOSIS COMPOSITE MEMBRANE AND PREPARATION METHOD THEREOF

#10
20240091718
2024-03-21

REVERSE OSMOSIS COMPOSITE MEMBRANE WITH AN ULTRATHIN DESALTING LAYER AND PREPARATION METHOD THEREOF

#11
20230415103
2023-12-28

POLYAMIDE COMPOSITE REVERSE OSMOSIS MEMBRANE AND PREPARATION METHOD THEREOF

#12
20220258131
2022-08-18

Gas separation membranes from polymer-grafted nanoparticles

#13
20220161204
2022-05-26

DURABLE MEMBRANES, THEIR PREPARATION AND USE

#14
20220120649
2022-04-21

LIGAND-FUNCTIONALIZED SUBSTRATES WITH ENHANCED BINDING CAPACITY

#15
20220088545
2022-03-24

MEMBRANE WITH IMMOBILIZED ANTICOAGULANT AND PROCESS FOR PRODUCING SAME

#16
20220023805
2022-01-27

Ultrafiltration/nanofiltration membrane with tunable pore size

#17
20210379539
2021-12-09

Bilayer electrospun membranes for treating fracking wastewater via membrane distillation

#18
20210308627
2021-10-07

Dual-layer membrane and method for preparing same

#19
20210268451
2021-09-02

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

#20
20210237002
2021-08-05

RAPID AND FACILE MEMBRANE ADSORBER FABRICATION WITH ULTRA HIGH BINDING CAPACITY

#21
20210236999
2021-08-05

Chemoselective nanoporous membranes

#22
20210170345
2021-06-10

Crosslinked polymer membranes and methods of their production

#23
20200406201
2020-12-31

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

#24
20200376441
2020-12-03

SULFONATED AND HALIDE MEMBRANES OR SOLID MATERIALS WITH THERMO-RESPONSIVE SURFACE TREATMENT

#25
20200368694
2020-11-26

Polymeric substrates with attached polymeric chains

#26
20200353425
2020-11-12

Synthetic membranes and methods of use thereof

#27
20200209123
2020-07-02

Ligand-functionalized substrates with enhanced binding capacity

#28
20200164318
2020-05-28

Graphene-based membrane and method of producing the same

#29
20200139308
2020-05-07

Synthetic membranes and methods of use thereof

#30
20190285523
2019-09-19

Ligand-functionalized substrates with enhanced binding capacity

#31
20190284321
2019-09-19

Heat-Induced Grafting Of Nonwovens For High Capacity Ion Exchange Separation

#32
20190247805
2019-08-15

POROUS MEMBRANE AND METHOD FOR MANUFACTURING POROUS MEMBRANE

#33
20190224631
2019-07-25

Acrylonitrile-based membrane with low thrombogenicity

#34
20190184345
2019-06-20

Gas separation membrane containing heteromorphous shaped silica nanoparticles

#35
20190083942
2019-03-21

Method for manufacturing gas separation membrane

#36
20190070567
2019-03-07

Synthetic membranes and methods of use thereof

#37
20190009214
2019-01-10

Preparation, regeneration and application of a chelating microfiltration membrane

#38
20180318774
2018-11-08

Crosslinked polymer membranes and methods of their production

#39
20180257042
2018-09-13

Filtration medium sequence for biomaterial purification

#40
20180217035
2018-08-02

Ligand-functionalized substrates with enhanced binding capacity

#41
20170312698
2017-11-02

Synthetic membranes and methods of use thereof

#42
20170225126
2017-08-10

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

#43
20170065936
2017-03-09

Method for increasing the fouling resistance of inorganic membranes by grafting with organic moieties

#44
20170029462
2017-02-02

Virus removal membrane

#45
20160256861
2016-09-08

Catalytic membranes and applications thereof

#46
20160231208
2016-08-11

Ligand functionalized substrates with enhanced binding capacity

#47
20160051944
2016-02-25

Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams

#48
20160023170
2016-01-28

POLYVINYLIDENE FLUORIDE HOLLOW FIBER MEMBRANES AND PREPARATION THEREOF

#49
20150352501
2015-12-10

POLYAMIDE WATER-TREATMENT SEPARATION MEMBRANE HAVING PROPERTIES OF HIGH SALT REJECTION AND HIGH FLUX AND MANUFACTURING METHOD THEREOF

#50
20150314243
2015-11-05

COMPOSITE POLYAMIDE MEMBRANE INCLUDING TRI-HYDROCARBYL PHOSPHATE

#51
20150259457
2015-09-17

Vinyl alcohol-based graft polymer, method for producing same, and ion-exchange membrane using same

#52
20150235721
2015-08-20

Supported membrane functionalized with hexa- and octacyanometallates, process for the preparation thereof and separation process using same

#53
20150174534
2015-06-25

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

#54
20150165387
2015-06-18

Composite polyamide membrane with improved structure

#55
20150151255
2015-06-04

Composite polyamide membrane

#56
20150147470
2015-05-28

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

#57
20150144553
2015-05-28

Hollow fiber module having TFC-aquaporin modified membranes

#58
20150129485
2015-05-14

Composite polyamide membrane with increased carboxylic acid functionality

#59
20150068963
2015-03-12

REVERSE OSMOSIS MEMBRANE HAVING HIGH INITIAL PERMEATE FLUX AND METHOD OF MANUFACTURING THE SAME

#60
20140371340
2014-12-18

Catalytic membranes and applications thereof

#61
20140231351
2014-08-21

Magnetically responsive membranes

#62
20140230652
2014-08-21

Drying substances, preparation and use thereof

#63
20140227627
2014-08-14

Anion transport membrane

#64
20140083930
2014-03-27

Desalination treatment membrane

#65
20140048487
2014-02-20

Filtration membrane

#66
20130277878
2013-10-24

Permselective membrane and process for manufacturing thereof

#67
20130277300
2013-10-24

Methods of membrane modification

#68
20130267622
2013-10-10

Hydrophilic vinylidene fluoride polymers

#69
20130052456
2013-02-28

Ultra-thin photo-polymer coatings and uses thereof

#70
20130023620
2013-01-24

Fluoropolymer-based hybrid organic/inorganic composites

#71
20120325748
2012-12-27

Antimicrobial water treatment membranes and production thereof

#72
20120312737
2012-12-13

Programmable membrane system

#73
20120312691
2012-12-13

Reliable point of use membrane modification

#74
20120312688
2012-12-13

CATION EXCHANGE MEMBRANE HAVING ENHANCED SELECTIVITY, METHOD FOR PREPARING SAME AND USES THEREOF

#75
20120273421
2012-11-01

Solvent and acid stable membranes, methods of manufacture thereof and methods of use thereof inter alia for separating metal ions from liquid process streams

#76
20120228238
2012-09-13

Nozzle device and nozzle for atomisation and/or filtration and methods for using the same

#77
20120160771
2012-06-28

Separation material

#78
20120123002
2012-05-17

Method for purification of antibody using porous membrane having amino group and alkyl group both bound to graft chain immobilized on porous substrate

#79
20120080378
2012-04-05

Thin film composite membranes for forward osmosis, and their preparation methods

#80
20120074068
2012-03-29

Polysaccharide matrix having a grafted polymer, method for producing the same and use thereof

#81
20120058302
2012-03-08

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

#82
20120031842
2012-02-09

METHOD FOR MODIFYING COMPOSITE MEMBRANES FOR LIQUID SEPARATIONS

#83
20120024789
2012-02-02

Surface modification of polyamide reverse osmosis membranes

#84
20120012528
2012-01-19

Surface modified inorganic matrix and method for preparation thereof

#85
20110198288
2011-08-18

Fouling resistant membranes formed with polyacrylonitrile graft copolymers

#86
20110166326
2011-07-07

Filtration method

#87
20110033773
2011-02-10

Modified hyper-branched polymer and proton exchange membrane applied with the same, and method for manufacturing the proton exchange membrane

#88
20110009504
2011-01-13

Proton exchange membranes (PEM) based on hybrid inorganic-organic copolymers with grafted phosphoric acid groups and implanted metal cations

#89
20110005997
2011-01-13

Hybrid TFC RO membranes with nitrogen additives

#90
20100323573
2010-12-23

High flux and low fouling filtration media

#91
20100226824
2010-09-09

Drying substances, preparation and use thereof

#92
20100226823
2010-09-09

Drying substances, preparation and use thereof

#93
20100224066
2010-09-09

Drying substances, preparation and use thereof

#94
20100203400
2010-08-12

Humidifier membrane

#95
20100181288
2010-07-22

Method of fabrication of micro- and nanofilters

#96
20100143733
2010-06-10

Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds

#97
20100096320
2010-04-22

Ultra-thin photo-polymer coatings and uses thereof

#98
20100059433
2010-03-11

POLYMER DEPOSITION AND MODIFICATION OF MEMBRANES FOR FOULING RESISTANCE

#99
20100051538
2010-03-04

Water purification membranes with improved fouling resistance

#100
20090283419
2009-11-19

Catalyst Consisting of a Solid Support, an Oxide and a Metal Active Phase Which is Grafted on the Oxide, a Method for the Preparation and the Use Thereof

#101
20090269656
2009-10-29

Microporous polyethylene membrane, its production method, and battery separator

#102
20090234032
2009-09-17

HYDROPHILIC, COMPOSITE, MICROPOROUS MEMBRANE AND ITS PRODUCTION METHOD

#103
20090211976
2009-08-27

Device for removing bacterial lipopolysaccharides and/or lipoteichoic acids from protein-containing fluids and its use for the treatment of sepsis

#104
20090206038
2009-08-20

Use of a colloidal suspension of a cationic polymer to treat a support for medical use

#105
20090200235
2009-08-13

PERVAPORATION MEMBRANES AND METHODS OF USE

#106
20090162662
2009-06-25

Low biofouling filtration membranes and their forming method

#107
20090112075
2009-04-30

Selectively permeable coated membrane

#108
20090087750
2009-04-02

Microporous membrane and manufacturing method

#109
20080312349
2008-12-18

METHOD OF MAKING AND USING MEMBRANE

#110
20080290022
2008-11-27

Crosslinked polymer film bearing ionic groupings

#111
20080269417
2008-10-30

Process for improving membranes

#112
20080217262
2008-09-11

Nozzle device and nozzle for atomisation and/or filtration and methods for using the same

#113
20080203012
2008-08-28

MEMBRANE, APPARATUS, AND ASSOCIATED METHOD

#114
20080197070
2008-08-21

Composite Membranes and Membrane Systems and Methods For Production and Utilization Thereof

#115
20080070274
2008-03-20

HIGH CAPACITY, METHODS FOR SEPARATION, PURIFICATION, CONCENTRATION, IMMOBILIZATION AND SYNTHESIS OF COMPOUNDS AND APPLICATIONS BASED THEREUPON

#116
20070296105
2007-12-27

Continuous method for production of a regioselective porous hollow fibre membrane

#117
20070191499
2007-08-16

Functionalized inorganic films for ion conduction

#118
20070129529
2007-06-07

Functionalized porous poly(aryl ether ketone) materials and their use

#119
20070128490
2007-06-07

Proton exchange membranes (PEM) based on hybrid inorganic-organic copolymers with grafted phosphoric acid groups and implanted metal cations

#120
20070119774
2007-05-31

Process for removing microbubbles from a liquid

#121
20070037933
2007-02-15

Surface modified polymer matrices and methods for their preparation

#122
20070007196
2007-01-11

Filter cartridge for fluid for treating surface of electronic device substrate

#123
20060264355
2006-11-23

Separating material

#124
20060234582
2006-10-19

Permselective membrane and process for manufacturing thereof

#125
20060213836
2006-09-28

Ultrafiltration membrane, device, bioartificial organ, and methods

#126
20060144790
2006-07-06

System and method for liquid filtration based on a neutral filter material

#127
20060124537
2006-06-15

Pervaporation Membranes and Methods of Use

#128
20060094852
2006-05-04

Functionalized porous poly(aryl ether ketone) materials and their use

#129
20060083858
2006-04-20

Generation of surface coating diversity

#130
20060051647
2006-03-09

Polymer electrolyte membrane having excellent durability

#131
20050178862
2005-08-18

Nozzle device and nozzle for atomisation and/or filtration and methods for using the same

#132
20050145107
2005-07-07

Process for producing polyolefin membrane with integrally asymmetrical structure

#133
20050118479
2005-06-02

Electrolyte film and solid polymer fuel cell using the same

#134
20050112616
2005-05-26

Functionalized materials and libraries thereof

#135
20050049319
2005-03-03

Graft polymeric membranes and ion-exchange membranes formed therefrom

#136
20050009001
2005-01-13

Device for removing bacterial lipopolysaccharides and/or lipoteichoic acids from protein-containing fluids and its use for the treatment of sepsis