ClassID:

30934

B01D2325/34 - CPC Classification

Classification description:

Details relating to properties of membranes Molecular weight or degree of polymerisation

Recent Application in this class:
#1
20260139002
2026-05-21

PURIFICATION OF POLYPEPTIDES

#2
20260130394
2026-05-14

SWEETENED JUICE COMPOSITION AND PREPARATION METHOD THEREOF

#3
20260108850
2026-04-23

LITHIUM RECOVERY FROM LIQUID STREAMS USING SOLUTE-PERMEABLE MEMBRANES

#4
20260077299
2026-03-19

GAS SEPARATION MEMBRANES, METHODS OF PREPARING MEMBRANES, AND METHODS OF SEPARATING GASES

#5
20260070818
2026-03-12

METHOD FOR REMOVING PFAS WITH VARIOUS CHAIN LENGTHS IN A SINGLE SYSTEM

#6
20260069172
2026-03-12

DIFFUSION LAYER FOR AN ENZYMATIC IN-VIVO SENSOR

#7
20260061373
2026-03-05

Block Copolymer Templated Crazing for Membrane Separation

#8
20260042086
2026-02-12

Pt-Doped Ru Nanoparticles Anchored on 'Black Gold' for Enhanced Hydrogenations/Reductions Including Semi-Hydrogenation Reactions

#9
20260034517
2026-02-05

COVALENT ORGANIC FRAMEWORKS ON HOLLOW FIBRE SUBSTRATES WITH JANUS-LIKE CHARACTERISTICS FOR SOLVENT SEPARATION

#10
20260014521
2026-01-15

LIQUID SEPARATION USING SOLUTE-PERMEABLE MEMBRANES AND RELATED SYSTEMS

#11
20260001991
2026-01-01

PROCESSING PLASTIC SOLVOLYSIS MIXTURES

#12
20250376707
2025-12-11

SEPARATION OF HUMAN MILK OLIGOSACCHARIDES FROM A FERMENTATION BROTH

#13
20250352955
2025-11-20

PLASMONIC TITANIUM NITRIDE-CONTAINING MIXED MATRIX MEMBRANES AND RELATED MEMBRANE DISTILLATION METHODS

#14
20250344720
2025-11-13

PROTEIN POWDER

#15
20250319445
2025-10-16

POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANE

#16
20250319443
2025-10-16

METHOD FOR MANUFACTURING A THIN-FILM COMPOSITE MEMBRANE FOR WATER TREATMENT, HAVING EXTREME ACID AND ALKALINE STABILITY

#17
20250312749
2025-10-09

POLYAMIDINE-CONTAINING MEMBRANES FOR CO2 SEPARATIONS FROM GASEOUS STREAMS

#18
20250297068
2025-09-25

ZWITTERION FUNCTIONALIZED COPOLYMERS FOR REVERSE OSMOSIS BRINE DESALINATION USING PERVAPORATION

#19
20250270532
2025-08-28

METHOD FOR PURIFYING BOTULINUM TOXIN

#20
20250235829
2025-07-24

POLYMER ELECTROLYTE MEMBRANE AND METHOD OF MANUFACTURING THE SAME

#21
20250229235
2025-07-17

DURABLE GRAPHENE OXIDE MEMBRANES COMPRISING FUNCTIONALIZED SUPPORT COMPONENTS

#22
20250215225
2025-07-03

A METHOD FOR THE PREPARATION OF A MEMBRANE (M) COMPRISING A SULFONATED POLY(ARYLENE ETHER SULFONE) POLYMER (SP) AND A NON-SULFONATED POLY(ARYLENE SULFONE) POLYMER (P)

#23
20250205637
2025-06-26

GAS SEPARATION MEMBRANE

#24
20250197445
2025-06-19

PREPARATION METHODS FOR A HIGHLY CONCENTRATED PD1 ANTIBODY SOLUTION BY ULTRAFILTRATION/DIAFILTRATION (UF/DF)

#25
20250177925
2025-06-05

Hollow Fiber Membranes and Preparation Method and Use Thereof

#26
20250169491
2025-05-29

POLYMERIZED HEMOGLOBIN SIZE FRACTIONATED VIA TANGENTIAL FLOW FILTRATION WITH LOW AUTO OXIDATION RATES

#27
20250144577
2025-05-08

THERMAL CONDUCTIVE AND BREATHABLE MEMBRANE

#28
20250105340
2025-03-27

MEMBRANE MADE OF A BLEND OF UHMW POLYOLEFINS

#29
20250084125
2025-03-13

HIGH VISCOSITY ULTRAFILTRATION/DIAFILTRATION AND SINGLE-PASS TANGENTIAL FLOW FILTRATION PROCESSES

#30
20240416290
2024-12-19

SEPARATION MEMBRANE

#31
20240407400
2024-12-12

OAT FRACTIONATION PROCESS AND BEVERAGES PRODUCED THEREFROM

#32
20240382909
2024-11-21

POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANE

#33
20240359142
2024-10-31

LAMINATED FILM

#34
20240350981
2024-10-24

SELECTIVE AND HYDROGEN-STABLE FACILITATED TRANSPORT MEMBRANES FOR OLEFIN-PARAFFIN SEPARATION

#35
20240325991
2024-10-03

PROCESS FOR PRE-TREATING RENEWABLE FEEDSTOCKS

#36
20240286983
2024-08-29

PREPARATION SYSTEMS AND PREPARATION METHODS FOR XYLITOL CRYSTALS

#37
20240238737
2024-07-18

PEEK MEMBRANES AND RELATED METHODS AND DEVICES

#38
20240238728
2024-07-18

ISOLATION AND PURIFICATION METHOD OF EXTRACELLULAR VESICLES

#39
20240207761
2024-06-27

METHOD FOR PRODUCING A FILTER AND A FILTER

#40
20240181404
2024-06-06

CROSS-LINKED ZWITTERIONIC POLYMER NETWORK AND THEIR USE IN MEMBRANE FILTERS

#41
20240109037
2024-04-04

LIQUID SEPARATION USING SOLUTE-PERMEABLE MEMBRANES AND RELATED SYSTEMS

#42
20240100480
2024-03-28

PROCESS FOR PRE-TREATING RENEWABLE FEEDSTOCKS

#43
20240026152
2024-01-25

Synthetic membrane composition comprising a polyurethane and a polyoxazoline

#44
20240009244
2024-01-11

DEVICES AND METHODS FOR PREPARING HUMAN MILK ORIGIN FORTIFIER COMPOSITIONS

#45
20240002551
2024-01-04

Sodium hyaluronate with full molecular weight distribution (MWD), and preparation method and use thereof

#46
20230381720
2023-11-30

MICROPOROUS MEMBRANES, UNDERLAYMENT, ROOFING, FLASHING, WRAP, AND METHODS FOR MAKING AND USING THE SAME

#47
20230381719
2023-11-30

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

#48
20230356156
2023-11-09

MEMBRANE COMPRISING AN AMORPHOUS POLYMER

#49
20230347297
2023-11-02

POLYAMIDE POROUS MEMBRANE AND METHOD FOR PRODUCING SAME

#50
20230330600
2023-10-19

COATED ULTRAFILTRATION DEVICES

#51
20230330599
2023-10-19

NANOFILTRATION MEMBRANE AND MANUFACTURING METHOD

#52
20230311072
2023-10-05

SELECTION OF CROSSLINKERS AND CONTROL OF MICROSTRUCTURE OF VAPOUR-PHASE CROSSLINKED COMPOSITE MEMBRANES FOR ORGANIC SOLVENT SEPARATION

#53
20230287322
2023-09-14

METHODS AND SYSTEMS FOR PRODUCING POLYPEPTIDES

#54
20230271145
2023-08-31

ROBUST NANOFILMS PREPARED FROM SUSTAINABLE MATERIALS

#55
20230265585
2023-08-24

A HOLLOW FIBER AND A PROCESS FOR PREPARATION THEREOF

#56
20230227791
2023-07-20

ENHANCED PURIFICATION OF ADENO-ASSOCIATED VIRUS TO MORE EFFECTIVELY REMOVE CONTAMINATING DNA

#57
20230211282
2023-07-06

SEPARATION ARTICLES AND METHODS FOR USING THE SAME FOR SELECTIVELY REMOVING DIFLUOROMETHANE FROM A GASESOUS MIXTURE

#58
20230182091
2023-06-15

CROSS-LINKABLE ZWITTERIONIC POLYMERS AND THEIR USE IN MEMBRANE FILTERS

#59
20230182088
2023-06-15

METHOD FOR PREPARING HIGH-SELECTIVITY LITHIUM-MAGNESIUM SEPARATION MEMBRANE

#60
20230155247
2023-05-18

Method of making a microporous material

#61
20230133081
2023-05-04

Membranes of glassy polymer blends with peg-crosslinked intrinsic microporous polymers for gas separations

#62
20230079167
2023-03-16

METHOD OF PRODUCING HOLLOW FIBER MEMBRANE

#63
20230070693
2023-03-09

INTEGRATED DUAL-MODE CHROMATOGRAPHY TO ENRICH EXTRACELLULAR VESICLES FROM PLASMA

#64
20230070035
2023-03-09

HOLLOW FIBER MEMBRANE MODULE AND METHOD FOR REMOVING ENDOTOXINS

#65
20230024252
2023-01-26

POROUS SEPARATION MEMBRANE

#66
20220411467
2022-12-29

PROTEIN BIOPROCESS

#67
20220400698
2022-12-22

A PROCESS TO PREPARE A LIQUID COFFEE CONCENTRATE WITH REDUCED ACRYLAMIDE CONTENT BY TREATMENT WITH A SELECTIVELY PERMEABLE MEMBRANE

#68
20220331744
2022-10-20

Method for preparing nanofiltration membrane and nanofiltration membrane prepared therefrom

#69
20220323554
2022-10-13

POLYSACCHARIDE-PEPTIDE COMPLEX FOR LOWERING BLOOD SUGAR, BLOOD LIPID AND GLYCOSYLATED HEMOGLOBIN LEVELS, AND PREPARATION METHOD

#70
20220295824
2022-09-22

PROTEIN POWDER

#71
20220282041
2022-09-08

Poly(aryl ether) based polymers and associated gas separation membranes

#72
20220258131
2022-08-18

Gas separation membranes from polymer-grafted nanoparticles

#73
20220251131
2022-08-11

PROCESS FOR THE PURIFICATION OF LACTO-N-NEOTETRAOSE

#74
20220241731
2022-08-04

Block Copolymer Templated Crazing for Membrane Separation

#75
20220240538
2022-08-04

DIAFILTRATION

#76
20220226785
2022-07-21

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

#77
20220213271
2022-07-07

Siloxane hybrid membranes for enhanced natural gas liquid recovery

#78
20220209272
2022-06-30

Composite membrane

#79
20220195080
2022-06-23

COMPOSITION PRODUCTION METHOD, AND COMPOSITION

#80
20220193616
2022-06-23

Molecular weight filtration system and apparatus with additional flow configurations

#81
20220161192
2022-05-26

METHOD FOR OPERATING A TREATMENT SYSTEM, TREATMENT SYSTEM, AND USE OF A TREATMENT SYSTEM

#82
20220134293
2022-05-05

LOW METAL CONTENT POLYOLEFIN FILTER MEMBRANE

#83
20220118409
2022-04-21

METHOD OF PREPARTING MEMBRANES

#84
20220098618
2022-03-31

RECOMBINANT ADENO-ASSOCIATED VIRUS PARTICLE PURIFICATION WITH MULTIPLE-STEP ANION EXCHANGE CHROMATOGRAPHY

#85
20220088545
2022-03-24

MEMBRANE WITH IMMOBILIZED ANTICOAGULANT AND PROCESS FOR PRODUCING SAME

#86
20220062829
2022-03-03

Monovalent Selective Cation Exchange Membrane

#87
20220056235
2022-02-24

Porous membrane, composite membrane, and method for producing porous membrane

#88
20220002497
2022-01-06

BLOCK POLYMER COMPOSITE MEMBRANES

#89
20210394127
2021-12-23

Gas permeable membranes and methods of using thereof

#90
20210380512
2021-12-09

Process for bio-1,3-butanediol purification from a fermentation broth

#91
20210370238
2021-12-02

Hydrophilic porous membrane and method for producing hydrophilic porous membrane

#92
20210363463
2021-11-25

A MEMBRANE-BASED METHOD FOR DECOLORIZING VEGETABLE WAX

#93
20210362098
2021-11-25

Devices and methods for water filtration membrane

#94
20210340343
2021-11-04

Ion exchange membrane through UV initiation polymerization

#95
20210308633
2021-10-07

Base material for liquid filters

#96
20210307356
2021-10-07

PREPARATION OF SOY PROTEIN PRODUCTS ("S810")

#97
20210288341
2021-09-16

SUBSTRATE FOR COMPOSITE MEMBRANE

#98
20210268439
2021-09-02

Method of using nanofiltration and reverse osmosis to remove chemical contaminants

#99
20210252458
2021-08-19

Alkali-Stable Nanofiltration Composite Membrane and Method of Manufacture Thereof

#100
20210218108
2021-07-15

POLYOLEFIN COMPOSITE POROUS FILM, METHOD OF PRODUCING SAME, BATTERY SEPARATOR, AND BATTERY

#101
20210213394
2021-07-15

Porous hollow fiber membrane

#102
20210197138
2021-07-01

COMPOSITE SEMIPERMEABLE MEMBRANE

#103
20210197134
2021-07-01

Filter membrane and device

#104
20210171859
2021-06-10

CONTINUOUS HEMP SEED OIL EXTRACTION SYSTEM AND METHODS

#105
20210162353
2021-06-03

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

#106
20210113970
2021-04-22

Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same

#107
20210106952
2021-04-15

Polyolefin microporous film and lithium-ion secondary cell in which same is used

#108
20210086136
2021-03-25

Filter medium, manufacturing method therefor, and filter unit including same

#109
20210079180
2021-03-18

Synthetic membrane composition comprising a fluorinated polyurethane

#110
20210070989
2021-03-11

Synthetic membrane composition comprising a polyurethane and a polyoxazoline

#111
20210045664
2021-02-18

DIFFUSION LAYER FOR AN ENZYMATIC IN-VIVO SENSOR

#112
20210039050
2021-02-11

HOLLOW FIBER MEMBRANE AND METHOD OF PRODUCING HOLLOW FIBER MEMBRANE

#113
20210013477
2021-01-14

Membrane made of a blend of UHMW polyolefins

#114
20200384424
2020-12-10

POROUS POLYTETRAFLUOROETHYLENE MEMBRANE

#115
20200246756
2020-08-06

Porous hollow-fiber membrane and production process therefor

#116
20200222860
2020-07-16

METHOD FOR PREPARING MEMBRANE SELECTIVE LAYERS BY INTERFACIAL FREE RADICAL POLYMERIZATION

#117
20200196628
2020-06-25

Preparation of soy protein products (S810)

#118
20200156009
2020-05-21

Molecular weight filtration system and apparatus

#119
20200122094
2020-04-23

CURED EPOXYSILICONE LAYER MEMBRANE FOR NANOFILTRATION

#120
20200078744
2020-03-12

METHOD OF PRODUCING A HOLLOW FIBER MEMBRANE

#121
20200070107
2020-03-05

Fluorinated polytriazole membrane materials for gas separation technology

#122
20200055006
2020-02-20

MICROPOROUS FILM

#123
20200047473
2020-02-13

POLYOLEFIN MICROPOROUS MEMBRANE

#124
20190390126
2019-12-26

Methods for separating wax products from hydrocarbon feedstreams

#125
20190358593
2019-11-28

Removing metal ions from aqueous systems with an active layer membrane

#126
20190275471
2019-09-12

Method to make carbon molecular sieve hollow fiber membranes

#127
20190270054
2019-09-05

GAS SEPARATION MEMBRANES COMPRISING CROSSLINKED CELLULOSE ESTERS

#128
20190247806
2019-08-15

METHOD OF MAKING IMPROVED POLYIMIDE SEPARATION MEMBRANES

#129
20190247801
2019-08-15

Porous membrane and process for producing porous membrane

#130
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

#131
20190134565
2019-05-09

Method for exosome separation and extraction by stacked centrifugal filtration

#132
20190105611
2019-04-11

Polyvinylidene fluoride/ultra-high molecular weight polyethylene blend microporous membrane and preparation method thereof

#133
20190070795
2019-03-07

Sintered and porous articles having improved flexural strength

#134
20190015796
2019-01-17

Composite hollow fiber membrane

#135
20180345230
2018-12-06

High permeance and high selectivity facilitated transport membranes for olefin/paraffin separations

#136
20180345226
2018-12-06

Method of preparing membranes

#137
20180305827
2018-10-25

Hierarchically structured, nitrogen-doped carbon membranes

#138
20180280894
2018-10-04

Substrate for liquid filter

#139
20180272286
2018-09-27

PROCESS FOR MAKING MEMBRANES

#140
20180243783
2018-08-30

APPARATUS AND METHOD FOR ROLL-TO-ROLL MEMBRANE MANUFACTURE

#141
20180185793
2018-07-05

SEPARATION MEMBRANE FOR BLOOD PROCESSING AND BLOOD PROCESSING DEVICE INCLUDING THE MEMBRANE

#142
20180169594
2018-06-21

Gas separation memebrane

#143
20180133657
2018-05-17

Two-layer photo-responsive membranes

#144
20180085713
2018-03-29

Hollow fiber membrane and method of preparing the same

#145
20180065866
2018-03-08

Submersible desalination apparatus

#146
20180043315
2018-02-15

Two-layer nanofiltration membranes

#147
20180029276
2018-02-01

Method of making a microporous material

#148
20170282128
2017-10-05

Porous membranes and associated separation modules and methods

#149
20170246594
2017-08-31

Curable compositions and membranes

#150
20170214021
2017-07-27

Microporous sheet product and methods for making and using the same

#151
20170210884
2017-07-27

Polymer resin composition and vinylidene fluoride-based polymer molded product

#152
20170203257
2017-07-20

Composite perfluorohydrocarbon membranes, their preparation and use

#153
20170149038
2017-05-25

Polyolefin multilayer microporous membrane and battery separator

#154
20170113950
2017-04-27

System and method of water purification utilizing an ionomer membrane

#155
20170092920
2017-03-30

Polyolefin microporous membrane and production method thereof

#156
20170058369
2017-03-02

Method of producing sugar solution

#157
20170056835
2017-03-02

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#158
20170043297
2017-02-16

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

#159
20170036169
2017-02-09

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

#160
20170028349
2017-02-02

Method and Apparatus For Liquid Extraction

#161
20170021310
2017-01-26

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#162
20170007963
2017-01-12

NANOFILTRATION MEMBRANE

#163
20160331885
2016-11-17

Membrane and device for treating hemolytic events

#164
20160317981
2016-11-03

Highly-selective polyimide membranes with increased permeance, said membranes consisting of block copolyimides

#165
20160207009
2016-07-21

Permselective asymmetric membranes

#166
20160118639
2016-04-28

Multilayer, microporous polyolefin membrane, and production method thereof

#167
20160043372
2016-02-11

Membrane made of a blend of UHMW polyolefins

#168
20160023170
2016-01-28

POLYVINYLIDENE FLUORIDE HOLLOW FIBER MEMBRANES AND PREPARATION THEREOF

#169
20150328593
2015-11-19

Microporous membrane and manufacturing process therefor

#170
20150314244
2015-11-05

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

#171
20150290594
2015-10-15

Curable compositions and membranes

#172
20150151256
2015-06-04

MEMBRANE WITH AN ISOPOROUS, ACTIVE SEPARATION LAYER, AND METHOD FOR PRODUCING A MEMBRANE

#173
20150108060
2015-04-23

Hollow porous membrane

#174
20140283685
2014-09-25

Gas separation membrane

#175
20140137740
2014-05-22

Carbon dioxide separation member, method for producing same, and carbon dioxide separation module

#176
20140091037
2014-04-03

Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module

#177
20130292866
2013-11-07

Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module

#178
20130277318
2013-10-24

Ultrafiltration membranes fabricated from sulfonated polyphenylenesulfones

#179
20130255498
2013-10-03

Polyolefin-composite hollow-fiber membrane and manufacturing method for same, and hollow-fiber membrane module

#180
20130045412
2013-02-21

Microporous membranes and methods for producing and using such membranes

#181
20120111790
2012-05-10

Preparation of high performance ultra filtration hollow fiber membrane

#182
20120097605
2012-04-26

Polymer membrane for water treatment

#183
20120067209
2012-03-22

Gas separation membrane

#184
20120012521
2012-01-19

VINYLIDENE FLUORIDE RESIN HOLLOW FIBER POROUS MEMBRANE AND PROCESS FOR PRODUCING SAME

#185
20110290716
2011-12-01

Vinylidene fluoride resin porous film and manufacturing method therefor

#186
20110223485
2011-09-15

MICROPOROUS MEMBRANES, METHODS FOR MAKING THESE MEMBRANES, AND THE USE OF THESE MEMBRANES AS BATTERY SEPARATOR FILMS

#187
20110165308
2011-07-07

Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module

#188
20110120307
2011-05-26

Composite perfluorohydrocarbon membranes, their preparation and use

#189
20100295511
2010-11-25

Multi-layer, microporous polyolefin membrane, its production method, battery separator and battery

#190
20100294714
2010-11-25

Membrane with improved permeability and selectivity

#191
20100181253
2010-07-22

CROSS-LINKED POLYIMIDE MEMBRANES

#192
20100151310
2010-06-17

MICROPOROUS POLYETHYLENE MEMBRANE, ITS PRODUCTION METHOD AND BATTERY SEPARATOR

#193
20100099838
2010-04-22

Polyolefin microporous film

#194
20100071557
2010-03-25

Gas separation membranes

#195
20090308805
2009-12-17

Preparation of high performance ultra filtration hollow fiber membrane

#196
20090305127
2009-12-10

Microporous material and a method of making same

#197
20090269672
2009-10-29

Production method of microporous polyethylene membrane and battery separator

#198
20090269656
2009-10-29

Microporous polyethylene membrane, its production method, and battery separator

#199
20090266764
2009-10-29

Agent and Process for Increasing Rejection of Nanofiltration Membrane or Reverse Osmosis Membrane, Nanofiltration Membrane or Reverse Osmosis Membrane, Process for Water Treatment and Apparatus for Water Treatment

#200
20090220690
2009-09-03

Composite polyamide membrane with branched poly(alkylene oxide) modified surface

#201
20090191399
2009-07-30

PERMANENT HYDROPHILIC POROUS COATINGS ONTO A SUBSTRATE AND POROUS MEMBRANES THEREOF

#202
20090182097
2009-07-16

Method of making a high molecular weight, monoesterified polyimide polymer

#203
20090136787
2009-05-28

FLUORINATION OF A POROUS HYDROCARBON-BASED POLYMER FOR USE AS COMPOSITE MEMBRANE

#204
20090117454
2009-05-07

Multi-layer microporous membrane, battery separator and battery

#205
20090101600
2009-04-23

Highly durable porous PVDF film, method of producing the same and washing method and filtration method using the same

#206
20090098449
2009-04-16

Microporous polyolefin membrane, and method of producing the same

#207
20090081543
2009-03-26

Microporous polyolefin membrane and manufacturing method

#208
20090079102
2009-03-26

METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE

#209
20080315447
2008-12-25

Method of making a microporous material

#210
20080300332
2008-12-04

MICROPOROUS MATERIAL AND A METHOD OF MAKING SAME

#211
20080213574
2008-09-04

Amphiphilic Fibers and Membranes and Processes for Preparing Them

#212
20080210624
2008-09-04

The Preparation Method Of Exo-Pressure Type Poly(Vinylidene Fluoride) Hollow Fiber Membrane Spinned Utilizing A Immersion-Coagulation Method And The Product Thereof

#213
20080156188
2008-07-03

Membrane for Separating Co2 and Process for the Production Thereof

#214
20080142429
2008-06-19

Functional polyarylethers

#215
20080057389
2008-03-06

Microporous membrane, battery separator and battery

#216
20080017029
2008-01-24

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