ClassID:

30013

B01D71/38 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals

Recent Application in this class:
#1
20240091713
2024-03-21

Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking

#2
20240050907
2024-02-15

Membrane for blood purification

#3
20230271146
2023-08-31

Hemodialyzer for blood purification

#4
20230226500
2023-07-20

Composite poly (aryl ether ketone) membranes, their preparation and use thereof

#5
20230127490
2023-04-27

Electrophoresis device

#6
20230059166
2023-02-23

Composite poly (aryl ether ketone) membranes, their preparation and use thereof

#7
20230024252
2023-01-26

POROUS SEPARATION MEMBRANE

#8
20220288539
2022-09-15

COMPOSITE MEMBRANE AND METHOD FOR PRODUCING COMPOSITE MEMBRANE

#9
20220251519
2022-08-11

CONCENTRATION MEMBRANE, CONCENTRATION DEVICE, CONCENTRATION SYSTEM, AND CONCENTRATION METHOD FOR BIOLOGICAL PARTICLES, AND METHOD FOR DETECTING BIOLOGICAL PARTICLES

#10
20220186403
2022-06-16

Charged nanofibers and methods for making

#11
20220184562
2022-06-16

Nanostructured membrane filter system for rapid purification of water

#12
20220176321
2022-06-09

System and Process for Hybrid Membrane Distillation-Pervaporation

#13
20220161200
2022-05-26

HYDROPHILIC COMPOSITE POROUS MEMBRANE

#14
20220152563
2022-05-19

Hemodialyzer for blood purification

#15
20220152562
2022-05-19

Membrane for blood purification

#16
20220134292
2022-05-05

IONICALLY CONDUCTIVE THIN FILM COMPOSITE MEMBRANES FOR ENERGY STORAGE APPLICATIONS

#17
20220040645
2022-02-10

SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE

#18
20210362100
2021-11-25

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

#19
20210331119
2021-10-28

Porous membrane for water treatment and method for preparing the same

#20
20210268430
2021-09-02

SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE FOR DEHYDRATION OF A GAS

#21
20210245112
2021-08-12

MIXED MATRIX MEMBRANES, AND RELATED GAS SEPARATION MEMBRANE APPARATUSES, GASEOUS FLUID TREATMENT SYSTEMS, AND METHODS

#22
20210236996
2021-08-05

Gas separation membrane manufacturing method

#23
20210229031
2021-07-29

Hybrid polymer membrane

#24
20210229029
2021-07-29

SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE

#25
20210178336
2021-06-17

SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE

#26
20210031149
2021-02-04

Reverse osmosis membrane with hydrogel coating

#27
20210001284
2021-01-07

Polyacid-functionalized porous membranes, related methods, and related polyacid polymers

#28
20200391194
2020-12-17

Process for separating one or more components from a mixture

#29
20200346170
2020-11-05

Asymmetric composite membrane and a method of preparation thereof

#30
20200324253
2020-10-15

A Graphene-Based Membrane

#31
20200316533
2020-10-08

Hemodialyzer for blood purification

#32
20200316530
2020-10-08

Potting or bonding composition for filtration membrane modules

#33
20200277205
2020-09-03

FLUIDIC FLUID PURIFYING DEVICE AND ASSOCIATED PURIFYING METHOD

#34
20200269197
2020-08-27

Membrane for blood purification

#35
20200269193
2020-08-27

Deeply grooved nanoparticle-coated nanofibers

#36
20200261861
2020-08-20

SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE

#37
20200261751
2020-08-20

3-DIMENSIONAL NASAL FILTER POD

#38
20200246757
2020-08-06

NANOCOMPOSITE MEMBRANES AND METHODS OF MAKING AND USING SAME

#39
20200246530
2020-08-06

Gasless extra-corporeal carbon dioxide removal

#40
20200170381
2020-06-04

Asymmetrical structure moisturizing mask pack

#41
20200129932
2020-04-30

HIGH PERMSELECTIVITY OF PVA/GA/CS-M+ MEMBRANE FOR DEHYDRATION OF ORGANIC SOLVENT AND PREPARATION METHOD THEREOF

#42
20200055003
2020-02-20

Borate-containing membranes for gas separation

#43
20200030752
2020-01-30

MEMBRANES FOR GAS SEPARATION

#44
20200024575
2020-01-23

Incubated platelet concentration module and method for producing platelet preparation using same

#45
20190388842
2019-12-26

SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE

#46
20190338088
2019-11-07

BARRIER LAYERS

#47
20190292288
2019-09-26

COPOLYMER, SEPARATION MEMBRANE, MEDICAL DEVICE, AND BLOOD PURIFIER USING THE COPOLYMER

#48
20190292074
2019-09-26

Methods for preparing porous nanocomposite polymer hydrogel beads for water treatment

#49
20190291058
2019-09-26

Composition for forming reverse osmosis membrane protection layer, method for preparing reverse osmosis membrane using same, reverse osmosis membrane, and water treatment module

#50
20190275475
2019-09-12

Sperm separation by electrophoresis

#51
20190247796
2019-08-15

Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking

#52
20190241868
2019-08-08

Electrophoresis device

#53
20190176095
2019-06-13

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

#54
20190140300
2019-05-09

Nanocomposite membrane for direct methanol fuel cells

#55
20190139664
2019-05-09

Composition for removing radionuclide and method for removing radionuclide using the same

#56
20190134570
2019-05-09

Nanofiber-based bipolar membranes, fabricating methods and applications of same

#57
20190128883
2019-05-02

Biocompatible polymeric membranes

#58
20190083938
2019-03-21

Method for manufacturing self-healing hydrogel-filled separation membrane for water treatment

#59
20190083926
2019-03-21

Gas separation method

#60
20190076791
2019-03-14

Composite separation membrane

#61
20190060844
2019-02-28

High flux reverse osmosis membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for water purification

#62
20190060835
2019-02-28

Dead end membrane gas separation process

#63
20190030492
2019-01-31

Porous graphene based composite membranes for nanofiltration, desalination, and pervaporation

#64
20190015547
2019-01-17

Semipermeable membrane and method of manufacturing the same

#65
20190009217
2019-01-10

Conductive thin-films for direct membrane surface electroheating

#66
20180366709
2018-12-20

Battery separator and method of manufacturing same

#67
20180326360
2018-11-15

A POLYVINYL ALCOHOL POROUS SUPPORT AND METHOD

#68
20180318773
2018-11-08

COMPOSITE MATERIAL COMPRISING A NON-CROSSLINKED GEL POLYMER

#69
20180318765
2018-11-08

Method for manufacturing water treatment separator, water treatment separator manufactured using same, and water treatment module comprising water treatment separator

#70
20180290108
2018-10-11

Method of production of nanoporous membranes for water purification from metal ions at low differential pressures

#71
20180244520
2018-08-30

Method for separating COusing facilitated COtransport membrane

#72
20180209072
2018-07-26

Charged nanofibers

#73
20180193806
2018-07-12

Selectively permeable graphene oxide element

#74
20180169591
2018-06-21

Two-dimensional metal carbide desalination membrane

#75
20180162977
2018-06-14

Copolymer and medical device, separation membrane module for medical use, and blood purifier including the same

#76
20180161734
2018-06-14

Membrane reactor with a tubular permeable membrane

#77
20180142065
2018-05-24

Isatin copolymers having intrinsic microporosity

#78
20180117538
2018-05-03

Polyacid-functionalized porous membranes, related methods, and related polyacid polymers

#79
20170348648
2017-12-07

Nanocomposite blend membrane

#80
20170333833
2017-11-23

Carbon dioxide gas separation membrane, method for manufacturing same, and carbon dioxide gas separation membrane module

#81
20170312695
2017-11-02

Graphene oxide membranes and methods related thereto

#82
20170282130
2017-10-05

Organic polymer thin membrane, and method for producing same

#83
20170274329
2017-09-28

Microporous polyolefin film, separator for battery, and production processes therefor

#84
20170259204
2017-09-14

Fluid separation processes using membranes based on fluorinated and perfluorinated polymers

#85
20170252704
2017-09-07

LARGE SCALE MANUFACTURING OF NANOSTRUCTURED MATERIAL

#86
20170239624
2017-08-24

Aluminum oxide supported gas permeable membranes

#87
20170232398
2017-08-17

Composition for COgas separation membrane, COgas separation membrane and method for producing same, and COgas separation membrane module

#88
20170225131
2017-08-10

Forward osmosis membrane and forward osmosis treatment system

#89
20170216780
2017-08-03

High toughness hollow fiber membranes based on vinylidene fluoride polymers

#90
20170203257
2017-07-20

Composite perfluorohydrocarbon membranes, their preparation and use

#91
20170203251
2017-07-20

Gas Separation Membranes Based on Fluorinated and Perfluorinated Polymers

#92
20170173535
2017-06-22

Microporous articles with a three-dimensional porous network of acid-sintered interconnected silica nanoparticles and methods of making the same

#93
20170165616
2017-06-15

Membrane for blood purification

#94
20170165615
2017-06-15

Hemodialyzer for blood purification

#95
20170157571
2017-06-08

Electrospun cactus mucilage nanofibers

#96
20170157570
2017-06-08

Porous graphene based composite membranes for nanofiltration, desalination, and pervaporation

#97
20170150685
2017-06-01

Desalination membranes for subsurface irrigation

#98
20170143034
2017-05-25

HOLLOW/POROUS FIBERS AND APPLICATIONS THEREOF

#99
20170133648
2017-05-11

Hydrogen-releasing film

#100
20170098511
2017-04-06

Ionic polymer membrane comprising radiation-crosslinkable poly(vinyl alcohol) and method of preparation thereof

#101
20170072371
2017-03-16

Hollow fiber membrane module and manufacturing method thereof

#102
20170056839
2017-03-02

Membranes for gas separation

#103
20170014777
2017-01-19

Method for the high-throughput preparation of carbon nanotube hollow fiber membranes

#104
20160376217
2016-12-29

Purification of (meth)acrylic esters by membrane separation dehydration

#105
20160354729
2016-12-08

MEMBRANES COMPRISING GRAPHENE

#106
20160339395
2016-11-24

Double crosslinked sodium alginate/polyvinyl alcohol composite nanofiltration membrane and preparation method thereof

#107
20160325238
2016-11-10

Moisture permeable filter medium

#108
20160317975
2016-11-03

Reinforced oil-absorptive membrane material, unit and preparation method thereof

#109
20160272494
2016-09-22

Facilitated COtransport membrane and method for producing same, and method and apparatus for separating CO

#110
20160243503
2016-08-25

COMPOSITE SEMIPERMEABLE MEMBRANE AND METHOD FOR MANUFACTURING SAME

#111
20160236152
2016-08-18

Coatings for biological fluid filters

#112
20160236141
2016-08-18

Gas separation membranes based on fluorinated and perfluorinated polymers

#113
20160199789
2016-07-14

Blood purification membrane, method for manufacturing blood purification membrane, and dialysis device

#114
20160166979
2016-06-16

GAS SEPARATION MEMBRANE COMPRISING SUPER BASE

#115
20160145369
2016-05-26

COMPOSITION, POROUS POLYMER MEMBRANE AND HYDROPHILIC AGENT

#116
20160051938
2016-02-25

Facilitated COtransport membrane, method for producing same, resin composition for use in method for producing same, COseparation module and method and apparatus for separating CO

#117
20160023170
2016-01-28

POLYVINYLIDENE FLUORIDE HOLLOW FIBER MEMBRANES AND PREPARATION THEREOF

#118
20160023168
2016-01-28

Complex nanofiltration membrane and the preparation thereof

#119
20160008768
2016-01-14

Method of producing composite for acid gas separation

#120
20160008767
2016-01-14

METHOD OF PRODUCING COMPOSITE FOR ACID GAS SEPARATION

#121
20160008766
2016-01-14

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

#122
20160008764
2016-01-14

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

#123
20150376340
2015-12-31

Hydrophilic block copolymers and membranes prepared therefrom (I)

#124
20150353381
2015-12-10

Porous nanocomposite polymer hydrogels for water treatment

#125
20150336056
2015-11-26

Complex for acid gas separation, module for acid gas separation, and method for manufacturing module for acid gas separation

#126
20150328631
2015-11-19

Electrospinning solution, polyvinyl alcohol nanofibers and ion-exchange membrane

#127
20150321146
2015-11-12

Composite membrane utilized in membrane distillation

#128
20150311546
2015-10-29

Composite membrane and moisture adjustment module using same

#129
20150298065
2015-10-22

High flux high efficiency nanofiber membranes and methods of production thereof

#130
20150291452
2015-10-15

Ion exchange membrane, method for producing same, and electrodialyzer

#131
20150283518
2015-10-08

Copolymer and carbon dioxide gas separation membrane

#132
20150273405
2015-10-01

FLUID SEPARATION UNIT

#133
20150273389
2015-10-01

Nanoporous macrocycle-containing cross-linked polymeric membranes for separations

#134
20150267343
2015-09-24

Surface coatings

#135
20150259457
2015-09-17

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

#136
20150232397
2015-08-20

1, 3-butadiene-separating material, and separation method using said separating material

#137
20150224452
2015-08-13

Organic polymer thin membrane, and method for producing same

#138
20150217236
2015-08-06

SEPARATION MEMBRANE, COMPOSITE SEPARATION MEMBRANE, AND METHOD FOR PRODUCING SEPARATION MEMBRANE

#139
20150209732
2015-07-30

Cation exchange membrane and method for producing same

#140
20150202574
2015-07-23

Furanone containing polymer compound with bacteria-adhesion properties

#141
20150165385
2015-06-18

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

#142
20150157986
2015-06-11

Electron beam induced modification of membranes by polymers

#143
20150151243
2015-06-04

Facilitated COtransport membrane and method for producing same, and method and apparatus for separating CO

#144
20150108061
2015-04-23

Forward osmosis membrane for seawater desalination and method for preparing the same

#145
20150080616
2015-03-19

Polymeric nanofibrous composite membranes for energy efficient ethanol dehydration

#146
20150076056
2015-03-19

DEVICE FOR USE IN FLUID PURIFICATION

#147
20150068971
2015-03-12

Separation membrane element and production method for same

#148
20150044464
2015-02-12

Method for preparing a nanofiber or non-woven mat

#149
20150005154
2015-01-01

Inorganic/polymeric hybrid catalytic materials with high activity in various solvents

#150
20150000379
2015-01-01

Method of modeling permeation to essences of a multilayer polymer structure

#151
20140352540
2014-12-04

CO2-FACILITATED TRANSPORT MEMBRANE AND PRODUCTION METHOD OF SAME

#152
20140319047
2014-10-30

FILTRATION MATERIAL AND METHOD FOR FABRICATING THE SAME

#153
20140238939
2014-08-28

IMMOBILIZATION OF ANTIMICROBIAL POLYMERS ON RO MEMBRANE TO REDUCE BIOFILM GROWTH AND BIOFOULING

#154
20140227627
2014-08-14

Anion transport membrane

#155
20140217013
2014-08-07

Polyketone porous film

#156
20140200280
2014-07-17

Anion exchange membrane and method for producing same

#157
20140186601
2014-07-03

Microparticle, addition agent and filtering membrane

#158
20140128251
2014-05-08

Inorganic/polymeric hybrid catalytic materials containing metal nano-particles therein

#159
20140091034
2014-04-03

NANOPARTICULATE FIBER SOLUTION, ITS FABRICATION PROCESS, AND NANOPARTICULATE FIBER MEMBRANE FILTER

#160
20140061122
2014-03-06

Filter for water treatment filtering and method for producing the same

#161
20140061121
2014-03-06

Separation membrane, method of producing the same and separation membrane module using the separation membrane

#162
20140058007
2014-02-27

Melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes

#163
20130319432
2013-12-05

Hollow/porous fibers and applications thereof

#164
20130270177
2013-10-17

Dehydration processes using membranes with hydrophobic coating

#165
20130228515
2013-09-05

Facilitated transport membrane for the separation of aromatics from non-aromatics

#166
20130184503
2013-07-18

Membrane having a pore-free separating layer and use and method of manufacturing a membrane

#167
20130168312
2013-07-04

FILTERATION MATERIAL FOR DESALINATION

#168
20130118975
2013-05-16

Hydrophilic porous substrates

#169
20130112621
2013-05-09

Water filtration article and related methods

#170
20130068692
2013-03-21

Electrospun cactus mucilage nanofibers

#171
20130018119
2013-01-17

FILTER MATERIAL FOR SEPARATION OF HYDROPHILIC SUBSTANCES FROM VARIOUS HYDROPHOBIC LIQUIDS OR GASES AND METHOD FOR PREPARATION OF THE MATERIAL

#172
20130014642
2013-01-17

Gas separation membrane and method for producing the same, and method for separating gas mixture, gas separation membrane module and gas separation apparatus using the same

#173
20120318730
2012-12-20

Polymer membrane for water treatment and method for manufacture of same

#174
20120312168
2012-12-13

Gas separation composite membrane

#175
20120297976
2012-11-29

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

#176
20120219718
2012-08-30

CO-facilitated transport membrane and method for producing the same

#177
20120153544
2012-06-21

Melt processable poly (vinyl alcohol) blends and poly (vinyl alcohol) based membranes

#178
20120043274
2012-02-23

Forward osmosis membrane for seawater desalination and method for preparing the same

#179
20120035280
2012-02-09

Anion exchange membrane and method for producing same

#180
20120031843
2012-02-09

Membranes based on polyvinyl alcohol

#181
20110244215
2011-10-06

Electron beam induced modification of membranes by polymers

#182
20110198282
2011-08-18

HIGH FLUX HIGH EFFICIENCY NANOFIBER MEMBRANES AND METHODS OF PRODUCTION THEREOF

#183
20110168626
2011-07-14

Reverse osmosis membrane and reverse osmosis membrane apparatus

#184
20110120307
2011-05-26

Composite perfluorohydrocarbon membranes, their preparation and use

#185
20110117413
2011-05-19

Alkaline Battery Separators with Ion-Trapping Molecules

#186
20110107911
2011-05-12

Membrane And Process For Steam Separation, Purification And Recovery

#187
20110092606
2011-04-21

Method of forming a hydrophilic membrane

#188
20110036237
2011-02-17

CO-facilitated transport membrane and method for producing the same

#189
20110027599
2011-02-03

Nanocomposite membranes and methods of making and using same

#190
20110017654
2011-01-27

Separation membrane, method of producing the same and separation membrane module using the separation membrane

#191
20100320148
2010-12-23

Dehydrating system and dehydrating method

#192
20100320143
2010-12-23

COMPOSITE SEMIPERMEABLE MEMBRANES AND PROCESS FOR PRODUCTION THEREOF

#193
20100261799
2010-10-14

Stable and compatible polymer blends

#194
20100206806
2010-08-19

Hydrophilic porous substrates

#195
20100190965
2010-07-29

Method for separation of immunoglobulin monomers

#196
20100098877
2010-04-22

Large scale manufacturing of nanostructured material

#197
20100084335
2010-04-08

Composite membrane for the separation of water and method for manufacturing same

#198
20090324929
2009-12-31

Composite Membrane and Moisture Adjustment Module Using Same

#199
20090293893
2009-12-03

Hollow/porous fibers and applications thereof

#200
20090200235
2009-08-13

PERVAPORATION MEMBRANES AND METHODS OF USE

#201
20090188857
2009-07-30

Permanent hydrophilic porous coatings and methods of making them

#202
20090176052
2009-07-09

COMPOSITE MATERIAL COMPRISING A NON-CROSSLINKED GEL POLYMER

#203
20090110907
2009-04-30

Membranes Based On Poly (Vinyl Alcohol-Co-Vinylamine)

#204
20090110873
2009-04-30

Polymer hybrid membrane structures

#205
20090098359
2009-04-16

HYDROPHILIC POROUS SUBSTRATES

#206
20090057224
2009-03-05

Dehydration processes using membranes with hydrophobic coating

#207
20080264793
2008-10-30

Hydrolytically Stable Isoelectric Hydrogel Compositions

#208
20080242833
2008-10-02

Blend of ionic (co)polymer resins and matrix (co)polymers

#209
20080242819
2008-10-02

Blend of ionic (co)polymer resins and matrix (co)polymers

#210
20080242805
2008-10-02

Blend of ionic (co)polymer resins and matrix (co)polymers

#211
20080241630
2008-10-02

Blend of ionic (CO)polymer resins and matrix (CO)polymers

#212
20080214687
2008-09-04

Cross Linking Treatment of Polymer Membranes

#213
20080078718
2008-04-03

Porous Membrane for Water Treatment and Method of Manufacturing the Same

#214
20080078290
2008-04-03

Membrane

#215
20070272614
2007-11-29

Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes

#216
20070272613
2007-11-29

Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes

#217
20070256969
2007-11-08

Composite Perfluorohydrocarbon Membranes, Their Preparation and Use

#218
20070193946
2007-08-23

Membrane for the separation of material mixtures and method for production thereof

#219
20070075013
2007-04-05

Hydrophilic membrane and associated method

#220
20070051680
2007-03-08

Hydrophilic cross-linked polymeric membranes and sorbents

#221
20060269815
2006-11-30

Blend of ionic (co)polymer resins and matrix (co)polymers

#222
20060229421
2006-10-12

Powders or manufactured articles having a surface hydrophilicity

#223
20060194037
2006-08-31

Flexible, breathable polymer film and method for production thereof

#224
20060163071
2006-07-27

Nanodevice for controlled charged particle flow and method for producing same

#225
20060151374
2006-07-13

Charged membrane

#226
20060144792
2006-07-06

Membrane and process for the recovery of acid

#227
20060124537
2006-06-15

Pervaporation Membranes and Methods of Use

#228
20060121217
2006-06-08

Composite material comprising layered hydrophilic coatings

#229
20060090650
2006-05-04

Membrane, method of making same and heat exchanger furnished with said membrane

#230
20050252377
2005-11-17

Air dehydration membrane

#231
20050218069
2005-10-06

Crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation

#232
20050211624
2005-09-29

Hydrophilic cross-linked polymeric membranes and sorbents

#233
20050182215
2005-08-18

Low equivalent weight ionomer

#234
20050173345
2005-08-11

Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes

#235
20050165186
2005-07-28

Low equivalent weight ionomer

#236
20050158632
2005-07-21

Alkaline polymer electrolyte membrane and its application

#237
20050118478
2005-06-02

Mixture comprising sulphonic acid containing vinyl, polymer electrolyte membrane comprising polyvinylsulphonic acid and the use thereof in fuel cells

#238
20050087491
2005-04-28

Hybrid membrane, method for producing the same and use of said membrane

#239
20050011826
2005-01-20

Asymmetric gel-filled microporous membranes

#240
20050009994
2005-01-13

Polymeric membranes and uses thereof

#241
15138400
2019-01-08

Carbon dioxide separator membrane structure, method of manufacturing same, and carbon dioxide separator including same

#242
14292640
2015-10-20

Membrane comprising self-assembled block copolymer and process for producing the same by spin coating (Ia)