Patents-Review.com
ClassID:

30888 ⎘

B01D2323/22 - CPC Classification

Classification description:

Details relating to membrane preparation; Specific solvent system Specific non-solvents or non-solvent system

Sub-classes:
Recent Application in this class:
#1
20250325962
2025-10-23

Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture

 #2
20250249411
2025-08-07

NANOPOROUS SELECTIVE SOL-GEL CERAMIC MEMBRANES

 #3
20250196072
2025-06-19

POLY(QUINOLINE) MEMBRANES

 #4
20250059043
2025-02-20

A PROCESS FOR THE PREPARATION OF A SUPPORTED CARBON MEMBRANES (CMS)

 #5
20240375060
2024-11-14

POROUS MEMBRANE AND METHOD FOR MANUFACTURING POROUS MEMBRANE

 #6
20240299878
2024-09-12

CROSSLINKED POLYMER MEMBRANES AND METHODS OF THEIR PRODUCTION

 #7
20240024826
2024-01-25

Nanoporous selective sol-gel ceramic membranes

 #8
20240001303
2024-01-04

HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING SAME

 #9
20230415095
2023-12-28

High selectivity polyimide/PES blend hollow fiber membrane for gas separations

 #10
20230381719
2023-11-30

Photothermal photocatalytic membrane for seawater desalination and uranium extraction and preparation method therefor

 #11
20230364559
2023-11-16

High-flux composite nanofiltration (NF) membrane with electrical double layer (EDL), and preparation method and use thereof

 #12
20230302411
2023-09-28

ASYMMETRIC HYDROPHOBIC POLYOLEFIN HOLLOW FIBER MEMBRANE, PREPARING METHOD, AND USE OF THE SAME

 #13
20220401893
2022-12-22

POLY(QUINOLINE) MEMBRANES

 #14
20220379266
2022-12-01

POLYMER-BASED FILM, PREPARATION METHOD THEREFOR, AND USE THEREOF

 #15
20220331744
2022-10-20

Method for preparing nanofiltration membrane and nanofiltration membrane prepared therefrom

 #16
20220280918
2022-09-08

Hydrophobic and Porous Sorbent Polymer Composites and Methods for CO2 Capture

 #17
20220226785
2022-07-21

COMPOSITION FOR FORMING SEPARATION MEMBRANE ACTIVE LAYER, METHOD FOR PRODUCING SEPARATION MEMBRANE, SEPARATION MEMBRANE, AND WATER TREATMENT MODULE

 #18
20220184550
2022-06-16

High selectivity polyimide/PES blend hollow fiber membrane for gas separations

 #19
20220088546
2022-03-24

Porous Membranes Including Triblock Copolymers

 #20
20220025205
2022-01-27

PROCESS FOR PREPARING POROUS FLUOROPOLYMER FILMS

 #21
20220002508
2022-01-06

Method for creating a porous film through aqueous phase separation

 #22
20210394126
2021-12-23

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

 #23
20210394125
2021-12-23

Crosslinked hollow-fibre membranes and new process for manufacturing the same

 #24
20210362100
2021-11-25

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

 #25
20210354093
2021-11-18

MEMBRANES FOR MEMBRANE DISTILLATION DESALINATION TECHNOLOGY

 #26
20210252458
2021-08-19

Alkali-Stable Nanofiltration Composite Membrane and Method of Manufacture Thereof

 #27
20210197135
2021-07-01

Hollow fiber membrane and its preparation method and application

 #28
20210197133
2021-07-01

POROUS MEMBRANE

 #29
20210170345
2021-06-10

Crosslinked polymer membranes and methods of their production

 #30
20210106954
2021-04-15

Super-hydrophilic/underwater super-oleophobic separation membrane and preparation method thereof

 #31
20210001278
2021-01-07

METHODS OF MAKING POROUS MEMBRANES

 #32
20200254397
2020-08-13

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

 #33
20200222860
2020-07-16

METHOD FOR PREPARING MEMBRANE SELECTIVE LAYERS BY INTERFACIAL FREE RADICAL POLYMERIZATION

 #34
20200206693
2020-07-02

Porous hollow fiber membrane, method for producing porous hollow fiber membrane and filtration method

 #35
20200156011
2020-05-21

Fabrication of green polymeric membranes

 #36
20200139305
2020-05-07

Filter For Separating Hydrophilic And Hydrophobic Fluids And Method For The Production Thereof

 #37
20200070105
2020-03-05

Microporous polyamide-imide membranes

 #38
20190276628
2019-09-12

Porous polyether sulfone film and production method therefor

 #39
20190275471
2019-09-12

Method to make carbon molecular sieve hollow fiber membranes

 #40
20190262777
2019-08-29

Macroporous polyvinylidene fluoride (PVDF) membranes

 #41
20190255564
2019-08-22

OMNIPHOBIC POROUS MEMBRANE AND METHODS FOR PREPARING THE SAME

 #42
20190247806
2019-08-15

METHOD OF MAKING IMPROVED POLYIMIDE SEPARATION MEMBRANES

 #43
20190217252
2019-07-18

Nanoporous ceramic membranes, membrane structures, and related methods

 #44
20180318774
2018-11-08

Crosslinked polymer membranes and methods of their production

 #45
20180290110
2018-10-11

Porous membrane

 #46
20180280889
2018-10-04

Doping of inorganic minerals to hydrophobic membrane surface

 #47
20180193803
2018-07-12

COPOLYMER NANOFILTERS WITH CHARGE-PATTERNED DOMAINS

 #48
20170282128
2017-10-05

Porous membranes and associated separation modules and methods

 #49
20170266626
2017-09-21

Porous membrane

 #50
20170056835
2017-03-02

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

 #51
20170021311
2017-01-26

Skinned, asymmetric poly(phenylene ether) co-polymer membrane; gas separation unit, and preparation method thereof

 #52
20170021310
2017-01-26

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

 #53
20160354730
2016-12-08

METHOD FOR THE PRODUCTION OF POLY(METH)ACRYLONITRILE-BASED POLYMER MEMBRANES, POLYMER MEMBRANES, AND ALSO SOLUTIONS FOR THE PRODUCTION OF A POLYMER MEMBRANE

 #54
20160354728
2016-12-08

Hollow-fiber membrane blood purification device

 #55
20160236152
2016-08-18

Coatings for biological fluid filters

 #56
20160129399
2016-05-12

Doping of inorganic minerals to hydrophobic membrane surface

 #57
20160082399
2016-03-24

Polyaniline membranes formed by phase inversion for forward osmosis applications

 #58
20150328591
2015-11-19

Porous polymer flat-sheet membrane

 #59
20150053079
2015-02-26

Hollow fiber carbon molecular sieve membrane and preparation and use thereof

 #60
20140008291
2014-01-09

Forward osmosis membrane and method of forming a forward osmosis membrane

 #61
20140001115
2014-01-02

Hollow fiber membrane and method for manufacturing thereof

 #62
20130053467
2013-02-28

Porous ABPBI [poly (2, 5-benzimidazole)] membrane and process of preparing the same

 #63
20130049246
2013-02-28

Process for production of porous membrane

 #64
20120213998
2012-08-23

Process for the preparation of hyperbranched hollow fibers

 #65
20120111790
2012-05-10

Preparation of high performance ultra filtration hollow fiber membrane

 #66
20120055867
2012-03-08

Doping of inorganic minerals to hydrophobic membrane surface

 #67
20110240550
2011-10-06

Block copolymer membranes and associated methods for making the same

 #68
20110178193
2011-07-21

PROCESS FOR PRODUCING ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER POROUS MATERIAL, AND ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER POROUS MATERIAL

 #69
20110146492
2011-06-23

AIR SEPARATION MODULE FIBER MATERIAL FORMULATION

 #70
20110072965
2011-03-31

Carbon membranes from cellulose esters

 #71
20110031184
2011-02-10

Hollow fiber membrane and method for manufacturing thereof

 #72
20100111761
2010-05-06

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

 #73
20100108599
2010-05-06

FILTRATION MEMBRANE WITH TUBULAR SUPPORT

 #74
20090308805
2009-12-17

Preparation of high performance ultra filtration hollow fiber membrane

 #75
20090252948
2009-10-08

Method of manufacturing membranes and the resulting membranes

 #76
20080268059
2008-10-30

Immobilizing particles onto surfaces

 #77
20080241503
2008-10-02

Process for forming microporous membranes

 #78
20080134883
2008-06-12

Highly microporous thermoplastic/bismaleimide semi-interpenetrating polymer network

 #79
20080061001
2008-03-13

Method of stably producing microporous membrane and use thereof in method of separating and purifying nucleic acid

 #80
20070216057
2007-09-20

Poly(ethylene chlorotrifluoroethylene) membranes

 #81
20070157812
2007-07-12

Gas transfer membrane

 #82
20070154701
2007-07-05

Polyurethane films and method of fabricating the same

 #83
20070090051
2007-04-26

Hollow fiber membrane and method of producing the same

 #84
20060207931
2006-09-21

Method for continuous fabrication of carbon nanotube networks or membrane materials

 #85
20060148911
2006-07-06

Porous polymeric membrane comprising vinylidene fluoride

 #86
20060099414
2006-05-11

Functional porous fibres

 #87
20060011063
2006-01-19

High temperature gas separation membrane suitable for OBIGGS applications

 #88
20050258101
2005-11-24

Hollow fiber membrane and method of producing the same

 #89
20050247621
2005-11-10

Method of manufacturing membranes and the resulting membranes

 #90
20050155926
2005-07-21

System and method for synthesizing a polymer membrane

 #91
20050098494
2005-05-12

Poly(ethylene chlorotrifluoroethylene) membranes

 #92
20050077232
2005-04-14

Composite membrane for separating organic solvents and the method for fabricating the same

 #93
20050034602
2005-02-17

Air dehydration membrane

 #94
13206038
2015-08-04

Non-reactive process for fixing nanotubes in a membrane in through-passage orientation