ClassID:

30025

B01D71/62 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material; Other polymers having nitrogen in the main chain, with or without oxygen or carbon only Polycondensates having nitrogen-containing heterocyclic rings in the main chain

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

HYDROPHILIC MEMBRANES

#2
20260108851
2026-04-23

POLYELECTROLYTE COACERVATE MEMBRANES AND METHODS FOR THE MANUFACTURE THEREOF

#3
20260054231
2026-02-26

METHOD FOR SEPARATION OF A WATER-IN-OIL EMULSION

#4
20260021451
2026-01-22

ANION-EXCHANGE MEMBRANE AND MANUFACTURING METHOD THEREFOR

#5
20250375739
2025-12-11

POLYMERIC MEMBRANE AND METHODS FOR THE PRODUCTION OF SAME

#6
20250276293
2025-09-04

METHOD FOR SEPARATING AN OIL-WATER EMULSION

#7
20250243308
2025-07-31

NITROGEN-CONTAINING MULTICOMPONENT COPOLYMER, MANUFACTURING METHOD THEREOF, ANIONIC RESIN, AND ANION EXCHANGE MEMBRANE

#8
20250177925
2025-06-05

Hollow Fiber Membranes and Preparation Method and Use Thereof

#9
20250144571
2025-05-08

ALL-NANOPOROUS HYBRID MEMBRANES COMPRISING ZEOLITES AND METAL-ORGANIC FRAMEWORKS SYNTHESIZED THERETHROUGH

#10
20250136456
2025-05-01

Boric Acid Purification Process

#11
20250099921
2025-03-27

POLYPYRROLE-GRAPHITIC CARBON NITRIDE (PPY-G-C3N4) DECORATED POLYMERIC/CERAMIC COMPOSITE FILTRATION MEMBRANE

#12
20250075036
2025-03-06

ARYL-BISIMIDAZOLIUM POLYMERS AND USES THEREOF

#13
20250066537
2025-02-27

COPOLY(1,2,4-TRIAZOLE)S MEMBRANES FOR SOUR MIXED-GAS SEPARATION APPLICATIONS

#14
20250058285
2025-02-20

PHOTOCATALYTIC SELF-CLEANING POLYPYRROLE/TiO2-PVDF NANOCOMPOSITE BASED FILTRATION MEMBRANE

#15
20250033002
2025-01-30

Porous Polybenzimidazole Membrane Supports for Composite Membranes

#16
20240400741
2024-12-05

POLYAMIDE-FUNCTIONALIZED SILICON CARBIDE (SIC) NANOPARTICLES-BASED CERAMIC MEMBRANE FOR SEPARATING AN OIL AND WATER MIXTURE

#17
20240392075
2024-11-28

SOLUTION PHASE POLYMER SYNTHESIS

#18
20240390865
2024-11-28

THERMALLY CROSSLINKED POLYTRIAZOLE SEPARATION MEMBRANES

#19
20240376266
2024-11-14

POLY(SPIROBISINDANE-ARYL PIPERIDINIUM) COPOLYMER IONOMER, ANION EXCHANGE MEMBRANE, AND METHOD FOR PREPARING SAME

#20
20240336737
2024-10-10

Class of nitrogen-containing heterocyclic polymers, a class of polymer membranes and applications thereof

#21
20240299886
2024-09-12

POLYPYRROLE CERAMIC-POLYMERIC POROUS MEMBRANE FOR SEPARATING AN OIL AND WATER MIXTURE

#22
20240286089
2024-08-29

SEPARATION MEMBRANE WITH EXCELLENT FOULING RESISTANCE AND METHOD FOR MANUFACTURING SAME

#23
20240261739
2024-08-08

Doubly porous multi-layer desal membrane

#24
20240261738
2024-08-08

Polysulfone-supported separation membrane

#25
20240216872
2024-07-04

Crossflow desalination device

#26
20240150519
2024-05-09

HYDROXYL-FUNCTIONALIZED CARDO-BASED POLYIMIDE MEMBRANES

#27
20240100488
2024-03-28

High Temperature-Resistant Composite Nanofiltration Membrane And Preparation Method Thereof

#28
20230285908
2023-09-14

Adsorbent cartridge for oil/water separation

#29
20230277980
2023-09-07

High free volume membrane for gas separation

#30
20230182083
2023-06-15

METHOD FOR PRODUCING A POLYELECTROLYTE COMPLEX MEMBRANE

#31
20230128376
2023-04-27

HIGH SELECTIVITY AND HIGH CO2 PLASTICIZATION RESISTANT POLYMERIC MEMBRANES FOR GAS SEPARATIONS

#32
20230123029
2023-04-20

ZIF NANOPARTICLE CONTAINING TRI-LIGANDS, THE METHOD OF MANUFACTURING THE SAME, MIXED MATRIX MEMBRANE COMPRISING THE SAME AND METHOD OF SEPARATING GAS USING THE MEMBRANE

#33
20230024915
2023-01-26

Porous polybenzimidazole membrane supports for composite membranes

#34
20230017950
2023-01-19

HYDROPHILIC MEMBRANES

#35
20220410080
2022-12-29

Hollow fibre membrane with improved separating efficiency, and production of a hollow fibre membrane with improved separating efficiency

#36
20220387939
2022-12-08

NANOMEMBRANE AND FORMING METHOD THEREOF

#37
20220362717
2022-11-17

POLYMERIC MEMBRANE AND METHODS FOR THE PRODUCTION OF SAME

#38
20220212139
2022-07-07

High free volume membrane for gas separation

#39
20220145008
2022-05-12

Triazine-based membranes for gas separation

#40
20220127413
2022-04-28

IMIDAZOLES AND IMIDAZOLIUM CATIONS WITH EXCEPTIONAL ALKALINE STABILITY

#41
20220023804
2022-01-27

Intrinsically microporous ladder-type Tröger's base polymers

#42
20210268446
2021-09-02

All-nanoporous hybrid membranes comprising zeolites and metal-organic frameworks synthesized therethrough

#43
20210252462
2021-08-19

Compositions for use in the simultaneous removal of endotoxins and uremic solutes during the treatment of patients

#44
20210237003
2021-08-05

Rice-husk derived silicon carbide membrane sorbent for oil removal

#45
20210236998
2021-08-05

A CROSS-LINKED POLYMERIC MEMBRANE

#46
20210213394
2021-07-15

Porous hollow fiber membrane

#47
20210179450
2021-06-17

MEMBRANE FOR WATER PURIFICATION

#48
20210178340
2021-06-17

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

#49
20210162353
2021-06-03

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

#50
20210113971
2021-04-22

Multi-layer membrane containing mixed polyamide selective layer and methods of making thereof

#51
20200306745
2020-10-01

Polymeric materials for electrochemical cells and ion separation processes

#52
20200094197
2020-03-26

Separation membrane

#53
20200024575
2020-01-23

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

#54
20200009511
2020-01-09

THIN FILM COMPOSITE MEMBRANE INCLUDING CROSSLINKED TROGER'S BASE POLYMER

#55
20190390299
2019-12-26

CHELATING POLYMERIC MEMBRANES

#56
20190381462
2019-12-19

Hollow fibre membrane with improved separating efficiency, and production of a hollow fibre membrane with improved separating efficiency

#57
20190194394
2019-06-27

Polymer including Troger'S base and isatin moieties and having intrinsic microporosity

#58
20190176092
2019-06-13

Process for the production of solvent stable polymeric membranes

#59
20190060843
2019-02-28

Composite membranes and applications thereof

#60
20190060842
2019-02-28

FUNCTIONALIZED POLY(DIALLYLPIPERIDINIUM) AND ITS COPOLYMERS FOR USE IN ION CONDUCTING APPLICATIONS

#61
20190047963
2019-02-14

Imidazoles and imidazolium cations with exceptional alkaline stability

#62
20190036143
2019-01-31

Poly(aryl piperidinium) polymers for use as hydroxide exchange membranes and ionomers

#63
20190022602
2019-01-24

Layered semipermeable membrane

#64
20180326359
2018-11-15

Layered Membrane and Methods of Preparation Thereof

#65
20180319937
2018-11-08

Troger's base polymers having intrinsic microporosity

#66
20180257041
2018-09-13

Metal-organic framework filter and preparation method thereof

#67
20180251592
2018-09-06

Block polymer and polymer electrolyte membrane including same

#68
20180200680
2018-07-19

Composite Membrane and Method of Fabricating the Same

#69
20180161734
2018-06-14

Membrane reactor with a tubular permeable membrane

#70
20180133657
2018-05-17

Two-layer photo-responsive membranes

#71
20180085744
2018-03-29

Polymeric materials for electrochemical cells and ion separation processes

#72
20180066103
2018-03-08

Isatin copolymers having intrinsic microporosity

#73
20180021742
2018-01-25

Ionic cross-linked polymeric films for gas separation

#74
20170296981
2017-10-19

Gas separation membranes with intermixed layers

#75
20170279142
2017-09-28

Membrane

#76
20170239624
2017-08-24

Aluminum oxide supported gas permeable membranes

#77
20170225131
2017-08-10

Forward osmosis membrane and forward osmosis treatment system

#78
20170210101
2017-07-27

Asymmetric polymeric membranes containing a metal-rich dense layer with a controlled thickness and method of making same

#79
20170209839
2017-07-27

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

#80
20170189861
2017-07-06

Polymer electrolyte membrane containing nitrate for sulfur hexafluoride separation

#81
20170166699
2017-06-15

Method of producing a thermally rearranged PBX, thermally rearranged PBX and membrane

#82
20170165614
2017-06-15

Asymmetric membranes for use in nanofiltration

#83
20170114196
2017-04-27

COMBINED MATERIAL SYSTEM FOR ION EXCHANGE MEMBRANES AND THEIR USE IN ELECTROCHEMICAL PROCESSES

#84
20170081477
2017-03-23

Polybenzimidazoles and methods of making and using thereof

#85
20170073251
2017-03-16

Polymeric-metal composite electrode-based electrochemical device for generating oxidants

#86
20170065937
2017-03-09

Solvent resistant thin film composite membrane and its preparation

#87
20170056839
2017-03-02

Membranes for gas separation

#88
20160375410
2016-12-29

Polybenzimidazole hollow fiber membranes and method for making an asymmetric hollow fiber membrane

#89
20160375409
2016-12-29

Self-wetting porous membranes (I)

#90
20160296892
2016-10-13

Asymmetric membranes based on BuPBI

#91
20160288063
2016-10-06

Hydrophilically modified fluorinated membrane (III)

#92
20160263534
2016-09-15

Compatibilized immiscible polymer blends and molecular sieve membranes thereof

#93
20160220966
2016-08-04

Gas separation membrane and gas separation membrane module

#94
20160215110
2016-07-28

Co-ABPBI membranes and process for the preparation thereof

#95
20160214065
2016-07-28

Thermally rearranged poly(benzoxazoleco-imide) separation membrane for membrane distillation and fabrication method thereof

#96
20160193599
2016-07-07

Anion-conducting polymer

#97
20160168325
2016-06-16

Triptycene-based ladder monomers and polymers, methods of making each, and methods of use

#98
20160138129
2016-05-19

Chelating polymeric membranes

#99
20160136585
2016-05-19

Composite Filtration Membranes from Conducting Polymer Nanoparticles and Conventional Polymers

#100
20160115647
2016-04-28

METHOD OF MAKING AND USING AN ELECTRICALLY CONDUCTIVE COMPOSITE MEMBRANE

#101
20160060396
2016-03-03

Polymers, their method of manufacture and use thereof

#102
20160030895
2016-02-04

Device for separation and collection of plasma

#103
20160023169
2016-01-28

HOLLOW FIBER MEMBRANE AND METHOD FOR MANUFACTURING THEREOF

#104
20150353385
2015-12-10

HYDROPHOBIC PHOTOTHERMAL MEMBRANES, DEVICES INCLUDING THE HYDROPHOBIC PHOTOTHERMAL MEMBRANES, AND METHODS FOR SOLAR DESALINATION

#105
20150344655
2015-12-03

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

#106
20150344654
2015-12-03

Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IIIa)

#107
20150344653
2015-12-03

Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (Va)

#108
20150344639
2015-12-03

Self-assembling polymers—I

#109
20150344638
2015-12-03

Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (VIa)

#110
20150344637
2015-12-03

Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IVa)

#111
20150344609
2015-12-03

Self-assembling polymers—V

#112
20150344337
2015-12-03

Separation membrane module

#113
20150343398
2015-12-03

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

#114
20150343397
2015-12-03

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

#115
20150343396
2015-12-03

Membrane comprising self-assembled block copolymer and process for producing the same by hybrid casting (Ib)

#116
20150343395
2015-12-03

Membrane comprising self-assembled block copolymer and process for producing the same by hybrid casting (IIb)

#117
20150343389
2015-12-03

Curable compositions and membranes

#118
20150329563
2015-11-19

Gas separation material using metal complex and gas separation method

#119
20150328596
2015-11-19

Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranes

#120
20150298071
2015-10-22

Composite gas separation membranes with dialkysiloxane intermediate layer

#121
20150274891
2015-10-01

MEMBRANES WITH IMPROVED FLUX AND METHOD FOR THEIR PREPARATION

#122
20150258505
2015-09-17

Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method

#123
20150209733
2015-07-30

Process for preparing membranes

#124
20150202574
2015-07-23

Furanone containing polymer compound with bacteria-adhesion properties

#125
20150165369
2015-06-18

Process for preparing membranes

#126
20150148436
2015-05-28

Method to fabricate functionalized conical nanopores

#127
20150143995
2015-05-28

Gas separation membranes with intermixed layers

#128
20150136688
2015-05-21

MEMBRANE, WATER TREATMENT MEMBRANE, WATER TREATMENT DEVICE, AND METHOD OF MANUFACTURING THE MEMBRANE

#129
20150094429
2015-04-02

Polybenzoxazole membranes from self-cross-linkable aromatic polyimide membranes

#130
20150073063
2015-03-12

Anion-conducting polymer

#131
20150033945
2015-02-05

Gas-separation membrane

#132
20150000528
2015-01-01

Crosslinked thermally rearranged poly(benzoxazole-co-imide), gas separation membranes comprising the same and preparation method thereof

#133
20150000527
2015-01-01

Gas separation membrane comprising crosslinked thermally rearranged poly(benzoxazole-co-imide) and preparation method thereof

#134
20140373716
2014-12-25

Gas barrier resin composition and gas barrier composite film

#135
20140370418
2014-12-18

Monomers and polymers carrying imidazole and benzimidazole groupings, and proton exchange membrane containing the same for the production of a fuel cell

#136
20140284269
2014-09-25

POROUS ABPBI [PHOSPHORIC ACID DOPED POLY (2, 5-BENZIMIDAZOLE)] MEMBRANE AND PROCESS OF PREPARING THE SAME

#137
20140284267
2014-09-25

Abrasion-proof filtration membrane and method of producing said membrane

#138
20140284261
2014-09-25

Separation membrane for blood processing and blood processing apparatus having the membrane installed therein

#139
20140238939
2014-08-28

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

#140
20140224124
2014-08-14

Cardo copolybenzimidazoles, gas separation membranes and preparation method thereof

#141
20140175007
2014-06-26

Process for fabricating PBI hollow fiber asymmetric membranes for gas separation and liquid separation

#142
20140130416
2014-05-15

Imidazole-containing polymer membranes and methods of use

#143
20140100406
2014-04-10

Separation membrane

#144
20140030613
2014-01-30

Method for making anion electrolyte membrane

#145
20130213086
2013-08-22

METHODS AND APPARATUSES FOR PROCESSING NATURAL GAS

#146
20130184428
2013-07-18

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

#147
20130172433
2013-07-04

Polymers, their method of manufacture and use thereof

#148
20130145931
2013-06-13

Tetrazole functionalized polymer membranes

#149
20130118983
2013-05-16

ASYMMETRIC MEMBRANES FOR USE IN NANOFILTRATION

#150
20130053467
2013-02-28

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

#151
20130012607
2013-01-10

Proton-conducting membrane and its use

#152
20120329958
2012-12-27

POLYMER SYNTHESIS AND THERMALLY REARRANGED POLYMRES AS GAS SEPARATION MEMBRANES

#153
20120305484
2012-12-06

Thermally Rearranged (TR) Polymers as Membranes for Ethanol Dehydration

#154
20120276300
2012-11-01

Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinking

#155
20120248031
2012-10-04

Composites and composite membranes

#156
20120186446
2012-07-26

Imidazolium-based room-temperature ionic liquids, polymers, monomers, and membranes incorporating same

#157
20120178835
2012-07-12

USE OF BRANCHED ADDITION COPLYMERS IN FILMS AND MEMBRANES

#158
20120107720
2012-05-03

Self-supporting dynamic polymer membrane, and uses

#159
20120101173
2012-04-26

Method for the production of a high-molecular polyazol

#160
20120088095
2012-04-12

Modification of drawn film

#161
20120085238
2012-04-12

Staged membrane system for gas, vapor, and liquid separations

#162
20120042777
2012-02-23

GAS SEPARATION USING MEMBRANES COMPRISING POLYBENZOXAZOLES PREPARED BY THERMAL REARRANGEMENT

#163
20120000852
2012-01-05

Polybenzimidazole based membrane for deacidification

#164
20110318671
2011-12-29

Proton-conducting membrane and use thereof

#165
20110316181
2011-12-29

PROCESS OF MAKING ASYMMETRIC POLYBENZOXAZOLE MEMBRANES

#166
20110311745
2011-12-22

CHEMICALLY-MODIFIED POLYBENZIMIDAZOLE MEMBRANOUS TUBES

#167
20110288187
2011-11-24

Proton-conducting membrane and the use of the same

#168
20110278227
2011-11-17

Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinking

#169
20110266223
2011-11-03

DUAL-LAYER HOLLOW FIBERS WITH ENHANCED FLUX AS FORWARD OSMOSIS MEMBRANES FOR WATER REUSES AND PROTEIN ENRICHMENT

#170
20110266222
2011-11-03

POLYBENZIMIDAZOLE-BASED MEMBRANES FOR THE DEHYDRATION OF ORGANIC LIQUIDS VIA PERVAPORATION

#171
20110192281
2011-08-11

Polymer blends and carbonized polymer blends

#172
20110077312
2011-03-31

Method to improve the selectivity of polybenzoxazole membranes

#173
20110072973
2011-03-31

Polybenzoxazole membranes

#174
20110031184
2011-02-10

Hollow fiber membrane and method for manufacturing thereof

#175
20110014545
2011-01-20

Proton-conducting membrane and its use

#176
20110009506
2011-01-13

Preparation method of polybenzoxazoles by thermal rearrangement, polybenzoxazoles prepared thereby, and gas separation membrane comprising the same

#177
20110009256
2011-01-13

NOVEL MICROPOROUS SILICATE MATERIALS AND METHODS FOR MAKING AND USING THE SAME

#178
20110003234
2011-01-06

Polymer Composition, Polymer Membrane Comprising the Polymer Composition, Process for Preparing it and Fuel Cell Comprising the Membrane

#179
20100331437
2010-12-30

Polybenzoxazole membranes prepared from aromatic polyamide membranes

#180
20100326913
2010-12-30

POLYBENZOXAZOLE MEMBRANES PREPARED FROM AROMATIC POLYAMIDE MEMBRANES

#181
20100288701
2010-11-18

Staged membrane system for gas, vapor, and liquid separations

#182
20100216051
2010-08-26

Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cells

#183
20100181697
2010-07-22

Process for producing a proton-conducting, polyazole-containing membrane

#184
20100167163
2010-07-01

Proton-conducting membrane and the use of the same

#185
20100164148
2010-07-01

Polymer membrane, method for the production and use thereof

#186
20100151352
2010-06-17

Composites and Composite Membranes

#187
20100151351
2010-06-17

Monomers and polymers carrying imidazole and benzimidazole groupings, and proton exchange membrane containing the same for the production of a fuel cell

#188
20100137124
2010-06-03

High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes

#189
20100133192
2010-06-03

Polymer membranes prepared from aromatic polyimide membranes by thermal treating and UV crosslinking

#190
20100133190
2010-06-03

Method to improve the selectivity of polybenzoxazole membranes

#191
20100133188
2010-06-03

Polybenzoxazole Membranes Prepared From Aromatic Polyamide Membranes

#192
20100133187
2010-06-03

Polybenzoxazole polymer-based mixed matrix membranes

#193
20100133186
2010-06-03

High performance cross-linked polybenzoxazole and polybenzothiazole polymer membranes

#194
20100092833
2010-04-15

Composites and composite membranes

#195
20100078386
2010-04-01

Separation membrane made from blends of polyimides with polyimidazoles

#196
20090277327
2009-11-12

High permeability membrane operated at elevated temperature for upgrading natural gas

#197
20090214921
2009-08-27

Proton-conducting membrane and use thereof

#198
20090214920
2009-08-27

Proton-conducting membrane and use thereof

#199
20090136818
2009-05-28

Proton conducting polymer membrane, method for production thereof and fuel cell therewith

#200
20080317946
2008-12-25

FUEL CELL MEMBRANES, GELS, AND METHODS OF FABRICATION

#201
20080308491
2008-12-18

Electrolyte

#202
20080280182
2008-11-13

POLYMER MEMBRANE, METHOD FOR THE PRODUCTION AND USE THEREOF

#203
20080214687
2008-09-04

Cross Linking Treatment of Polymer Membranes

#204
20080213645
2008-09-04

Composite porous membrane and method for producing the same

#205
20080171798
2008-07-17

Benzimidazole-Substituted Polybezimidazoles as Initial Material For Producing Proton-Conducting Membranes

#206
20080166619
2008-07-10

Electrolytic membrane

#207
20080119634
2008-05-22

High-molecular-weight polyazoles

#208
20080057358
2008-03-06

Proton-conducting membrane and use thereof

#209
20080050514
2008-02-28

Proton-conducting membrane and the use thereof

#210
20080003480
2008-01-03

Polybenzazole block copolymer

#211
20070202415
2007-08-30

Proton-Conducting Polymer Membrane Comprising At Least One Porous Carrier Material, And Use Thereof In Fuel Cells

#212
20070193885
2007-08-23

APPARATUS AND METHODS FOR ELECTROCHEMICAL HYDROGEN MANIPULATION

#213
20070151926
2007-07-05

High-molecular-weight polyazoles used as proton conducting membranes

#214
20070111075
2007-05-17

Branched multiblock polybenzimidazole-benzamide copolymer and method for preparing the same, electrolyte membrane and paste/gel prepared therefrom

#215
20070039874
2007-02-22

Membranes and methods of treating membranes

#216
20060283323
2006-12-21

Polyoxometalate material for gaseous stream purification at high temperature

#217
20060231484
2006-10-19

Composites and composite membranes

#218
20060194702
2006-08-31

Tetravalent metal acid triphosphates

#219
20060183012
2006-08-17

Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cells

#220
20060172170
2006-08-03

Polymer electrolyte membrane and fuel cell using the same

#221
20060172084
2006-08-03

Composites and composite membranes

#222
20060166048
2006-07-27

Polyarylene ether compound containing sulfonic acid group, composition containing same, and method for manufacturing those

#223
20060138042
2006-06-29

Heat-resistant film and composite ion-exchange membrane

#224
20060079392
2006-04-13

Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cells

#225
20060078774
2006-04-13

Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cells

#226
20060057449
2006-03-16

Proton-conducting membrane and the use thereof

#227
20060035095
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