Patents-Review.com
ClassID:

29923 ⎘

B01D67/0009 - CPC Classification

Classification description:

Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus; Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching

Sub-classes:
Recent Application in this class:
#1
20260151742
2026-06-04

HYDROPHILIC MEMBRANES

 #2
20260021450
2026-01-22

MICROFILTRATION MEMBRANE

 #3
20250214042
2025-07-03

MEMBRANES INCORPORATED WITH POROUS POLYMER FRAMEWORKS

 #4
20250186946
2025-06-12

ASYMMETRIC SOLVENT-RESISTANT NANOFILTRATION (SRNF) MEMBRANES

 #5
20250144569
2025-05-08

Bipolar Membranes

 #6
20240299878
2024-09-12

CROSSLINKED POLYMER MEMBRANES AND METHODS OF THEIR PRODUCTION

 #7
20240173678
2024-05-30

High Performance Double Layer Ion Selective Membrane With Nanoporous Boron Nitride And Polyetherimide

 #8
20240100485
2024-03-28

ASYMMETRIC MULTIBLOCK COPOLYMER-HOMOPOLYMER FILMS, METHODS OF MAKING SAME, AND USES THEREOF

 #9
20230366151
2023-11-16

NITROCELLULOSE PAPERS AND METHODS OF PRODUCTION AND USE

 #10
20230356156
2023-11-09

MEMBRANE COMPRISING AN AMORPHOUS POLYMER

 #11
20230311068
2023-10-05

Method for preparing porous polymer semipermeable membrane and product thereof

 #12
20230191333
2023-06-22

SPIRAL WOUND MEMBRANE ELEMENT FOR HIGH TEMPERATURE FILTRATION

 #13
20230053706
2023-02-23

Separation membrane and method for producing separation membrane

 #14
20230017950
2023-01-19

HYDROPHILIC MEMBRANES

 #15
20230015162
2023-01-19

MICROFILTRATION MEMBRANE

 #16
20220411596
2022-12-29

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

 #17
20220323911
2022-10-13

Dendrimer particles and related mixed matrix filtration membranes, compositions, methods, and systems

 #18
20220193617
2022-06-23

METHOD FOR MANUFACTURING A MEMBRANE WITH HIGH PERCOLATION POWER

 #19
20220118408
2022-04-21

Organic solvent method for preparing membrane protein based nanosheets and membranes based on nanosheets

 #20
20220097008
2022-03-31

CHARGED ISOPOROUS MATERIALS FOR ELECTROSTATIC SEPARATIONS

 #21
20220041833
2022-02-10

Membranes Suitable for Detecting, Filtering and/or Purifying Biomolecules

 #22
20220025205
2022-01-27

PROCESS FOR PREPARING POROUS FLUOROPOLYMER FILMS

 #23
20210346881
2021-11-11

Membranes Suitable for Detecting, Filtering and/or Purifying Biomolecules and Metal-Ions

 #24
20210309802
2021-10-07

Diversity-oriented polymers of intrinsic microporosity and uses thereof

 #25
20210236996
2021-08-05

Gas separation membrane manufacturing method

 #26
20210197133
2021-07-01

POROUS MEMBRANE

 #27
20210178340
2021-06-17

Functionalized poly(diallylpiperidinium) and its copolymers for use in ion conducting applications

 #28
20210170345
2021-06-10

Crosslinked polymer membranes and methods of their production

 #29
20210154620
2021-05-27

Membranes in the form of hollow fibers for the separation of COfrom natural gas and method of preparation by heat treatment and development of a polymeric membrane precursor

 #30
20210079220
2021-03-18

Zwitterion-functionalized multicomponent copolymers and associated polymer blends and membranes

 #31
20210008507
2021-01-14

Isoporous mesoporous asymmetric block copolymer materials with macrovoids and method of making the same

 #32
20200376446
2020-12-03

Polyimide composition

 #33
20200339770
2020-10-29

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

 #34
20200298454
2020-09-24

Membrane surface hydrophobicity through electro-hydrodynamic film patterning

 #35
20200289991
2020-09-17

POROUS HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING SAME

 #36
20200238220
2020-07-30

Polyimide composition

 #37
20200181785
2020-06-11

Reinforced separator for alkaline hydrolysis

 #38
20200114316
2020-04-16

Asymmetric polyvinylidine chloride membranes and carbon molecular sieve membranes made therefrom

 #39
20200070106
2020-03-05

DIALYSIS MEMBRANE AND METHOD FOR ITS PRODUCTION

 #40
20200062882
2020-02-27

ULTRAHIGH MOLECULAR WEIGHT BLOCK COPOLYMERS AND POLYMERS, METHODS OF MAKING SAME, AND USES OF SAME

 #41
20190351373
2019-11-21

Organic solvent method for preparing membrane protein based nanosheets and membranes based on nanosheets

 #42
20190322820
2019-10-24

Processes for forming fluoropolymer articles

 #43
20190314764
2019-10-17

Automatic arranging machine for membrane fiber and membrane module production device thereof

 #44
20190275471
2019-09-12

Method to make carbon molecular sieve hollow fiber membranes

 #45
20190262777
2019-08-29

Macroporous polyvinylidene fluoride (PVDF) membranes

 #46
20190255564
2019-08-22

OMNIPHOBIC POROUS MEMBRANE AND METHODS FOR PREPARING THE SAME

 #47
20190217253
2019-07-18

Self-coiling hollow fibre membrane

 #48
20190202103
2019-07-04

Thin film composite hollow fiber membranes for osmotic power generation

 #49
20190168167
2019-06-06

Composite porous hollow fiber membrane, production method for composite porous hollow fiber membrane, composite porous hollow fiber membrane module, and operation method for composite porous hollow fiber membrane module

 #50
20190046932
2019-02-14

Hollow fibre membrane having three dimensional texturing

 #51
20190039030
2019-02-07

Charged isoporous materials for electrostatic separations

 #52
20190016851
2019-01-17

Poly(phenylene) and m-Terphenyl as protecting groups for benzimidazolium hydroxides

 #53
20190015796
2019-01-17

Composite hollow fiber membrane

 #54
20190009222
2019-01-10

Liquid membrane conveying apparatus for preparing porous membrane

 #55
20180326359
2018-11-15

Layered Membrane and Methods of Preparation Thereof

 #56
20180318774
2018-11-08

Crosslinked polymer membranes and methods of their production

 #57
20180318773
2018-11-08

COMPOSITE MATERIAL COMPRISING A NON-CROSSLINKED GEL POLYMER

 #58
20180258285
2018-09-13

Zwitterion-functionalized multicomponent copolymers and associated polymer blends and membranes

 #59
20180257044
2018-09-13

Process for making membranes

 #60
20180244520
2018-08-30

Method for separating COusing facilitated COtransport membrane

 #61
20180221828
2018-08-09

Acrylonitrile-based membrane with improved performance

 #62
20180193803
2018-07-12

COPOLYMER NANOFILTERS WITH CHARGE-PATTERNED DOMAINS

 #63
20180178167
2018-06-28

Membrane surface hydrophobicity through electro-hydrodynamic film patterning

 #64
20180147541
2018-05-31

Ion-exchange membrane with molecular barrier

 #65
20180133662
2018-05-17

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

 #66
20180104655
2018-04-19

Polymeric membranes

 #67
20180099251
2018-04-12

METHOD FOR PRODUCING POLYIMIDE MEMBRANES

 #68
20180050309
2018-02-22

High selectivity copolyimide membranes for separations

 #69
20170326505
2017-11-16

Compositions and methods for improving the anti-fouling properties of polyethersulfone membranes

 #70
20170320019
2017-11-09

Membrane cartridge with integrated functions

 #71
20170291148
2017-10-12

Polyimide composition and preparation method of separation membrane

 #72
20170291146
2017-10-12

Polyimide composition and preparation method of separation membrane

 #73
20170282128
2017-10-05

Porous membranes and associated separation modules and methods

 #74
20170266626
2017-09-21

Porous membrane

 #75
20170256766
2017-09-07

Method for producing porous polyimide film

 #76
20170253679
2017-09-07

Highly selective polynorbornene homopolymer membranes for natural gas upgrading

 #77
20170232405
2017-08-17

Dialysis membrane and method for its production

 #78
20170216779
2017-08-03

Carbon membrane for fluid separation, fluid separation membrane module, and method for producing carbon membrane for fluid separation

 #79
20170203559
2017-07-20

Method for manufacturing laminate, and laminate

 #80
20170198404
2017-07-13

Ion-conducting membrane used in chlor-alkali industry and preparation method thereof

 #81
20170189850
2017-07-06

Sour gas feed separations and helium recovery from natural gas using block co-polyimide membranes

 #82
20170121529
2017-05-04

Solvent resistant polymeric membranes

 #83
20170113192
2017-04-27

FORWARD OSMOSIS MEMBRANES

 #84
20170072369
2017-03-16

Carbon nanotube immobilized super-absorbing membranes

 #85
20170037177
2017-02-09

Amphiphilic block copolymer; composition, membrane, and separation module thereof; and methods of making same

 #86
20170036169
2017-02-09

ASYMMETRIC POLY(PHENYLENE ETHER) CO-POLYMER MEMBRANE, SEPARATION MODULE THEREOF AND METHODS OF MAKING

 #87
20170022337
2017-01-26

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

 #88
20170022330
2017-01-26

Method for producing a superhydrophobic membrane or surface coating of a substrate

 #89
20170015790
2017-01-19

Nanoporous films derived from polycyclo-olefinic block polymers

 #90
20160369026
2016-12-22

Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation

 #91
20160339394
2016-11-24

Method of producing composite

 #92
20160310912
2016-10-27

Polyimide membranes made of polymerization solutions

 #93
20160310907
2016-10-27

Multilayer separation membrane

 #94
20160303521
2016-10-20

High permeance membranes for gas separations

 #95
20160296892
2016-10-13

Asymmetric membranes based on BuPBI

 #96
20160279577
2016-09-29

METHOD FOR THE PRODUCTION OF SOLVENT-STABLE POLYMER MEMBRANES, POLYMER MEMBRANE AND ALSO SOLUTION FOR THE PRODUCTION OF A POLYMER MEMBRANE

 #97
20160272494
2016-09-22

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

 #98
20160200055
2016-07-14

DEVICE FOR CONTINUOUSLY PREPARING ION EXCHANGE MEMBRANE

 #99
20160199785
2016-07-14

High density membrane protein membranes

 #100
20160166979
2016-06-16

GAS SEPARATION MEMBRANE COMPRISING SUPER BASE

 #101
20160145369
2016-05-26

COMPOSITION, POROUS POLYMER MEMBRANE AND HYDROPHILIC AGENT

 #102
20160144323
2016-05-26

Method for producing polyimide membranes

 #103
20160082399
2016-03-24

Polyaniline membranes formed by phase inversion for forward osmosis applications

 #104
20160051945
2016-02-25

Pervaporation membranes derived from polycyclo-olefinic block copolymers

 #105
20160046752
2016-02-18

Polycyclo-olefinic block copolymers

 #106
20160038885
2016-02-11

High performance membranes for water reclamation using polymeric and nanomaterials

 #107
20160008764
2016-01-14

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

 #108
20160002411
2016-01-07

IMPROVING THE CHEMICAL STABILITY OF MEMBRANES

 #109
20150376340
2015-12-31

Hydrophilic block copolymers and membranes prepared therefrom (I)

 #110
20150314244
2015-11-05

Membranes for gas separation synthesized from polyimides containing 4-fluoro-4′,4″-diaminotriphenylmethane

 #111
20150298069
2015-10-22

POLYMER RESIN COMPOSITION FOR PREPARING OF MICROFILTER MEMBRANE OR ULTRAFILTER MEMBRANE, PREPARATION METHOD OF POLYMER FILTER MEMBRANE, AND POLYMER FILTER MEMBRANE

 #112
20150283518
2015-10-08

Copolymer and carbon dioxide gas separation membrane

 #113
20150246328
2015-09-03

Composite porous polymeric membrane with high void volume

 #114
20150246326
2015-09-03

Porous polymeric membrane with high void volume

 #115
20150190757
2015-07-09

Capillary Filtration Membrane With An Improved Recovery And Method For Obtaining An Improved Recovery And Manufacturing Method

 #116
20150152136
2015-06-04

Membrane with surface channels

 #117
20150151243
2015-06-04

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

 #118
20140329010
2014-11-06

Hybrid TFC RO membranes with non-metallic additives

 #119
20140217012
2014-08-07

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

 #120
20140178491
2014-06-26

Multiple separation filter and antioxidizing water produced using the same

 #121
20140163124
2014-06-12

Porous film manufacturing method and apparatus

 #122
20140134518
2014-05-15

Microporous PVDF films

 #123
20140120286
2014-05-01

Fluoropolymer articles having a high surface roughness and high coarseness

 #124
20140054215
2014-02-27

Forward osmosis membranes

 #125
20140048477
2014-02-20

Hybrid porous structured material, membrane including the same, and method of preparing hybrid porous structured material

 #126
20140042090
2014-02-13

Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation

 #127
20140039415
2014-02-06

Macroporous filtration membrane

 #128
20140030613
2014-01-30

Method for making anion electrolyte membrane

 #129
20140008291
2014-01-09

Forward osmosis membrane and method of forming a forward osmosis membrane

 #130
20130284664
2013-10-31

Separation membrane for water treatment and production method for same

 #131
20130277878
2013-10-24

Permselective membrane and process for manufacturing thereof

 #132
20130233788
2013-09-12

Composite membrane with compatible support filaments

 #133
20130225764
2013-08-29

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

 #134
20130184428
2013-07-18

Sulphur-containing triazine monomer that can be used for the synthesis of a polymer membrane for a fuel cell

 #135
20130180912
2013-07-18

Material and applications therefor

 #136
20130053467
2013-02-28

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

 #137
20130022802
2013-01-24

HIGHLY MICROPOROUS POLYMERS AND METHODS FOR PRODUCING AND USING THE SAME

 #138
20120322911
2012-12-20

Polyimide gas separation membranes

 #139
20120305486
2012-12-06

High cut-off hemodialysis membrane for use in liver dialysis

 #140
20120292249
2012-11-22

COMPOSITE MEMBRANE AND METHOD OF MAKING

 #141
20120285890
2012-11-15

Hybrid TFC RO membranes with non-metallic additives

 #142
20120276294
2012-11-01

Method for making liquid separation membrane

 #143
20120273423
2012-11-01

Composite membranes comprising a sulfonated polyarylether and their use in forward osmosis processes

 #144
20120234758
2012-09-20

Forward osmosis membranes

 #145
20120225202
2012-09-06

METHOD OF PRODUCING A POROUS MEMBRANE AND WATERPROOF, HIGHLY BREATHABLE FABRIC INCLUDING THE MEMBRANE

 #146
20120193284
2012-08-02

Method for preparing a filtration membrane and filtration membrane prepared by said method

 #147
20120190764
2012-07-26

Aromatic polysulfone resin and membranes thereof

 #148
20120175300
2012-07-12

TWO-LAYER MEMBRANE

 #149
20120132590
2012-05-31

Method for fabrication of elastomeric asymmetric membranes from hydrophobic polymers

 #150
20120123079
2012-05-17

POLYIMIDE MEMBRANES MADE OF POLYMERIZATION SOLUTIONS

 #151
20120118823
2012-05-17

ORGANOSILICATE BASED FILTRATION SYSTEM

 #152
20120073795
2012-03-29

Thin film composite heat exchangers

 #153
20120012520
2012-01-19

FORWARD OSMOSIS MEMBRANES AND METHOD FOR FABRICATING THE SAME

 #154
20120000846
2012-01-05

POLYMER COATED HYDROLYZED MEMBRANE

 #155
20110269906
2011-11-03

Membranes, methods of making membranes, and methods of separating gases using membranes

 #156
20110248428
2011-10-13

Modified polyvinyllactams

 #157
20110226689
2011-09-22

Separation membrane and method for producing the same

 #158
20110217539
2011-09-08

Porous interpenetrating polymer network

 #159
20110159343
2011-06-30

MICROPOROUS POLYMERIC MEMBRANES, METHODS FOR MAKING SUCH MEMBRANES, AND THE USE OF SUCH MEMBRANES AS BATTERY SEPARATOR FILM

 #160
20110158847
2011-06-30

Microfluidic device facilitating gas exchange, and methods of use and manufacture thereof

 #161
20110097529
2011-04-28

Vinylidene fluoride / 2,3,3,3-tetrafluoropropene copolymers

 #162
20110073540
2011-03-31

Forward osmosis membranes

 #163
20110033617
2011-02-10

Method of making a composite porous material

 #164
20110024355
2011-02-03

ANTIMICROBIAL MEMBRANES

 #165
20110009504
2011-01-13

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

 #166
20100330691
2010-12-30

Apparatus for producing surface enhanced membrane

 #167
20100317117
2010-12-16

SELECTIVE MEMBRANE EXTRACTION OF RADIOACTIVE ANALYTES

 #168
20100300289
2010-12-02

Poly(amino-alcohol)-silica hybrid compositions and membranes

 #169
20100294713
2010-11-25

Separation membrane comprising polyethersulfone, process for producing thereof, and dope solution for membrane production

 #170
20100247894
2010-09-30

Reinforced Highly Microporous Polymers

 #171
20100224066
2010-09-09

Drying substances, preparation and use thereof

 #172
20100200493
2010-08-12

Process of forming multilayered structures

 #173
20100166961
2010-07-01

PRODUCTION OF HIGH POROSITY OPEN-CELL MEMBRANES

 #174
20100111761
2010-05-06

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

 #175
20100070026
2010-03-18

STENT WITH POROUS MEMBRANE AND MANUFACTURING METHOD THEREOF

 #176
20100055534
2010-03-04

Electrolyte membrane, methods of manufacture thereof and articles comprising the same

 #177
20100032366
2010-02-11

Process of forming multilayered structures

 #178
20100000937
2010-01-07

Fluororesin polymer separation membrane and process for producing the same

 #179
20090283469
2009-11-19

Polyvinylidene fluoride hollow fiber microporous membrane and process for production of the same

 #180
20090252948
2009-10-08

Method of manufacturing membranes and the resulting membranes

 #181
20090227744
2009-09-10

Separation membrane by controlled annealing of polyimide polymers

 #182
20090216173
2009-08-27

Blood detoxification membrane, method for producing same, and use thereof

 #183
20090208807
2009-08-20

SOLID ELECTROLYTE MEMBRANE, METHOD AND APPARATUS FOR PRODUCING THE SAME, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL

 #184
20090184037
2009-07-23

MEMBRANE STRUCTURE FOR GAS SEPARATION

 #185
20090176052
2009-07-09

COMPOSITE MATERIAL COMPRISING A NON-CROSSLINKED GEL POLYMER

 #186
20090145831
2009-06-11

Pore diffusion type flat membrane separating apparatus

 #187
20090130525
2009-05-21

Solid electrolyte multilayer membrane, method and apparatus for producing the same, membrane electrode assembly, and fuel cell

 #188
20090130517
2009-05-21

SOLID ELECTROLYTE MEMBRANE, METHOD AND APPARATUS OF PRODUCING THE SAME, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL

 #189
20090123641
2009-05-14

Reinforced ion-conductive membranes

 #190
20090087605
2009-04-02

Composite porous materials and methods of making and using the same

 #191
20090017360
2009-01-15

Oligomeric and polymeric aromatic phosphonic acids, their blends, processes for preparing them and uses as polyelectrolytes

 #192
20080312349
2008-12-18

METHOD OF MAKING AND USING MEMBRANE

 #193
20080213645
2008-09-04

Composite porous membrane and method for producing the same

 #194
20080204885
2008-08-28

Methods for Producing a Structured Sol-Gel Layer

 #195
20080168900
2008-07-17

Membranes, Methods of Making Membrane, and Methods of Separating Gases Using Membranes

 #196
20080134883
2008-06-12

Highly microporous thermoplastic/bismaleimide semi-interpenetrating polymer network

 #197
20080114087
2008-05-15

Method for fabrication of elastomeric asymmetric membranes from hydrophobic polymers

 #198
20080113242
2008-05-15

Microporous PVDF films

 #199
20080078290
2008-04-03

Membrane

 #200
20080057389
2008-03-06

Microporous membrane, battery separator and battery

 #201
20080035557
2008-02-14

Polymer-coated inorganic membrane for separating aromatic and aliphatic compounds

 #202
20080017569
2008-01-24

Porous composite membrane materials and applications thereof

 #203
20080011406
2008-01-17

Oxygen enrichment membrane and composition for preparing the membrane

 #204
20070265426
2007-11-15

Synthesis of polyphosphazenes with sulfonimide side groups

 #205
20070224507
2007-09-27

Polymer separator for a lithium battery

 #206
20070154701
2007-07-05

Polyurethane films and method of fabricating the same

 #207
20070151447
2007-07-05

Gas separation membranes and processes for controlled environmental management

 #208
20070138682
2007-06-21

Microporous film of semicrystalline polymers and method for preparing the same

 #209
20070138681
2007-06-21

Microporoous film of semicrystalline polymer and method for preparing the same

 #210
20070128490
2007-06-07

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

 #211
20070128425
2007-06-07

Reinforced ion-conductive membranes

 #212
20070102348
2007-05-10

Method of producing a porous membrane and waterproof, highly breathable fabric including the membrane

 #213
20070100012
2007-05-03

Production of high porosity open-cell membranes

 #214
20070092776
2007-04-26

Sulfonic acid group-containing organic-silica composite membrane and method for producing thereof

 #215
20070082141
2007-04-12

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

 #216
20070036959
2007-02-15

Porous films with chemical resistance

 #217
20070009776
2007-01-11

Process for continuously producing polymer electrolyte membrane and producing apparatus therefor

 #218
20070001323
2007-01-04

Multi-layered membrane for air diffuser

 #219
20060234582
2006-10-19

Permselective membrane and process for manufacturing thereof

 #220
20060229421
2006-10-12

Powders or manufactured articles having a surface hydrophilicity

 #221
20060226067
2006-10-12

Asymmetric forward osmosis membranes

 #222
20060214325
2006-09-28

Continuous coating process for composite membranes

 #223
20060196355
2006-09-07

Separation membrane by controlled annealing of polyimide polymers

 #224
20060180544
2006-08-17

Process of forming multilayered structures

 #225
20060180543
2006-08-17

Process of forming multilayered structures

 #226
20060169138
2006-08-03

Fuel deoxygenation system with textured oxygen permeable membrane

 #227
20060156920
2006-07-20

Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers

 #228
20060151374
2006-07-13

Charged membrane

 #229
20060141238
2006-06-29

Porous membrane of poly(metaphenylene isophthalamide) and process for producing the same

 #230
20060135732
2006-06-22

Cross-linked polyimide and method of making them

 #231
20060121267
2006-06-08

Process for producing porous film and porous film

 #232
20060090650
2006-05-04

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

 #233
20060086657
2006-04-27

Process of forming multilayered structures

 #234
20060081530
2006-04-20

Highly microporous polymers and methods for producing and using the same

 #235
20050247621
2005-11-10

Method of manufacturing membranes and the resulting membranes

 #236
20050228127
2005-10-13

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

 #237
20050170159
2005-08-04

Composite porous materials and methods of making and using the same

 #238
20050145561
2005-07-07

Porous membrane

 #239
20050139537
2005-06-30

Negatively charged membrane

 #240
20050118479
2005-06-02

Electrolyte film and solid polymer fuel cell using the same

 #241
20050100482
2005-05-12

Multi-sided immersion formation of composite structures and method

 #242
20050077232
2005-04-14

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

 #243
20050058823
2005-03-17

Method of producing a microporous polyolefin membrane

 #244
20050058821
2005-03-17

Microporous PVDF films

 #245
20050040100
2005-02-24

Process of forming multilayered structures

 #246
20050011826
2005-01-20

Asymmetric gel-filled microporous membranes

 #247
20050006302
2005-01-13

Process for the preparation of porous membrane