ClassID:

30007

B01D71/26 - page 2 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material Polyalkenes

Recent Application in this class:
#301
20150240045
2015-08-27

Microporous and hydrophobic polymeric hollow fiber membranes and methods for preparation thereof

#302
20150204767
2015-07-23

Method for producing cell concentrate

#303
20150202573
2015-07-23

Membrane filter cleaning apparatus for waste-water treatment process

#304
20150174809
2015-06-25

Production method of deformed porous hollow fiber membrane

#305
20150129493
2015-05-14

Devices, systems and methods for reducing the concentration of carbon dioxide in blood

#306
20150122129
2015-05-07

Composite hollow fiber membrane and hollow fiber membrane module

#307
20150087877
2015-03-26

Enhancing flux of a microporous hollow fiber membrane

#308
20150083658
2015-03-26

METHOD FOR THE PRODUCTION OF A FILTER MEMBRANE AND FILTER MEMBRANE

#309
20150080616
2015-03-19

Polymeric nanofibrous composite membranes for energy efficient ethanol dehydration

#310
20150059576
2015-03-05

Composite hollow fiber membrane and hollow fiber membrane module

#311
20150047506
2015-02-19

Hydrogen membrane separator

#312
20150037653
2015-02-05

Multilayered microporous polyolefin film

#313
20150013295
2015-01-15

Blended nonwoven fabric, filter medium, and filter unit

#314
20150000379
2015-01-01

Method of modeling permeation to essences of a multilayer polymer structure

#315
20140361457
2014-12-11

Process for producing microporous polyolefin film

#316
20140353254
2014-12-04

HIGH-DENSITY POLYDICYCLOPENTADIENE

#317
20140353244
2014-12-04

METHOD FOR THE PRODUCTION OF A HYDROPHILIC POLYMER MEMBRANE AND POLYMER MEMBRANE

#318
20140350192
2014-11-27

Methods of forming a polymer layer on a polymer surface

#319
20140339163
2014-11-20

PERFORMANCE OF A MEMBRANE USED IN MEMBRANE DISTILLATION

#320
20140335421
2014-11-13

Microporous membrane of polyethylene-based composite material and preparation method thereof

#321
20140332998
2014-11-13

Methods of producing and using microporous membranes

#322
20140287502
2014-09-25

Method for producing cell concentrate

#323
20140262894
2014-09-18

Radial filtration vent and medical device packaging

#324
20140246356
2014-09-04

Fluid emulsion purification processes using microporous materials having filtration and adsorption properties

#325
20140221516
2014-08-07

Polyolefin resin composition and applications thereof

#326
20140217012
2014-08-07

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

#327
20140206251
2014-07-24

Surface modifying agents, modified materials and methods

#328
20140165838
2014-06-19

Air conditioning system

#329
20140120006
2014-05-01

Hydrogen membrane separator

#330
20140116248
2014-05-01

Selective gas transport films that contain brominated styrene-butadiene copolymers

#331
20140069862
2014-03-13

COATED MICROPOROUS MATERIALS HAVING FILTRATION AND ADSORPTION PROPERTIES AND THEIR USE IN FLUID PURIFICATION PROCESSES

#332
20140042090
2014-02-13

Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation

#333
20140030146
2014-01-30

Oxygenator

#334
20130323383
2013-12-05

Composite material

#335
20130291729
2013-11-07

Gas separation membrane

#336
20130264737
2013-10-10

Method of manufacturing a track membrane

#337
20130255498
2013-10-03

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

#338
20130252067
2013-09-26

Method of producing polyolefin microporous membrane and separator for lithium ion battery

#339
20130228529
2013-09-05

MICROPOROUS MATERIAL HAVING FILTRATION AND ADSORPTION PROPERTIES AND THEIR USE IN FLUID PURIFICATION PROCESSES

#340
20130228519
2013-09-05

MICROPOROUS MATERIAL HAVING FILTRATION AND ADSORPTION PROPERTIES AND THEIR USE IN FLUID PURIFICATION PROCESSES

#341
20130183591
2013-07-18

METAL-AIR BATTERY AND METHODS FOR FORMING IMPROVED METAL-AIR BATTERIES

#342
20130175213
2013-07-11

System for separating bodily fluid constituents and method for producing such a system

#343
20130171499
2013-07-04

Porous membrane and method for manufacturing the same

#344
20130098835
2013-04-25

Microscopically structured polymer monoliths and fabrication methods

#345
20130061748
2013-03-14

Supersaturated fluid degassing

#346
20130045412
2013-02-21

Microporous membranes and methods for producing and using such membranes

#347
20130041055
2013-02-14

Nanoporous linear polyethylene membranes and block copolymer precursors for same

#348
20130034777
2013-02-07

MICROPOROUS MEMBRANE, BATTERY SEPARATOR AND BATTERY

#349
20130020262
2013-01-24

High-density polydicyclopentadiene

#350
20130005845
2013-01-03

Microporous film

#351
20120322983
2012-12-20

METHOD FOR PURIFYING PROTEIN

#352
20120297976
2012-11-29

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

#353
20120282514
2012-11-08

MICROPOROUS MEMBRANES, METHODS FOR MAKING SAME AND THEIR USE AS BATTERY SEPARATOR FILMS

#354
20120276367
2012-11-01

CAST FILMS, MICROPOROUS MEMBRANES, AND METHOD OF PREPARATION THEREOF

#355
20120276294
2012-11-01

Method for making liquid separation membrane

#356
20120251868
2012-10-04

LAMINATED FILM AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

#357
20120248030
2012-10-04

Curable compositions and membranes

#358
20120248029
2012-10-04

Curable compositions and membranes

#359
20120248028
2012-10-04

Curable compositions and membranes

#360
20120202905
2012-08-09

Nanoscale β-nucleating agent for polypropylene

#361
20120193285
2012-08-02

Method for producing resin porous membrane with adhesive layer, resin porous membrane with adhesive layer, and filter member

#362
20120174791
2012-07-12

Gas separation membrane

#363
20120153544
2012-06-21

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

#364
20120135289
2012-05-31

POLYOLEFIN MICROPOROUS MEMBRANE AND SEPARATOR FOR LITHIUM ION BATTERY

#365
20120132590
2012-05-31

Method for fabrication of elastomeric asymmetric membranes from hydrophobic polymers

#366
20120125850
2012-05-24

Deformed porous hollow fiber membrane, production method of deformed porous hollow fiber membrane, and module, filtration device, and water treatment method in which deformed porous hollow fiber membrane is used

#367
20120091600
2012-04-19

Membrane based contactor module for mass and heat transfer

#368
20120088095
2012-04-12

Modification of drawn film

#369
20120082899
2012-04-05

Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film

#370
20120077665
2012-03-29

Catalyst systems and polymer resins having improved barrier properties

#371
20120077400
2012-03-29

Elastic, moisture-vapor permeable films, their preparation and their use

#372
20120077073
2012-03-29

Multi-layer microporous film

#373
20120077072
2012-03-29

Multi-layer microporous film

#374
20120073791
2012-03-29

Energy recovery ventilation sulfonated block copolymer laminate membrane

#375
20120070748
2012-03-22

Microporous membranes, methods for making these membranes, and the use of these membranes as battery separator films

#376
20120070644
2012-03-22

Microporous Polyolefin Multilayer Film Possessing Good Mechanical Properties and Thermal Stability

#377
20120040429
2012-02-16

Devices, systems and methods for reducing the concentration of a chemical entity in fluids

#378
20120040232
2012-02-16

MICROPOROUS MEMBRANES AND METHODS FOR MAKING AND USING SUCH MEMBRANES

#379
20120034519
2012-02-09

Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film

#380
20120034518
2012-02-09

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

#381
20120028131
2012-02-02

Microporous membranes, methods for making such membranes, and the use of such membranes as battery separator film

#382
20120028102
2012-02-02

Microporous polymeric membranes, battery separators, and production methods therefor

#383
20120028101
2012-02-02

Microporous membranes and methods for producing and using such membranes

#384
20110297612
2011-12-08

POROUS MEMBRANES WITH MULTIPLE ZONES HAVING DIFFERENT PORE SIZES

#385
20110290717
2011-12-01

Membrane post treatment

#386
20110285038
2011-11-24

Membrane based contactor module for mass and heat transfer

#387
20110274961
2011-11-10

MICROPOROUS MEMBRANES AND METHODS FOR PRODUCING AND USING SUCH MEMBRANES

#388
20110269900
2011-11-03

Polypropylene resin composition for use in formation of microporous membrane

#389
20110268901
2011-11-03

Process for preparing membranes and membrane structures from a sulfonated block copolymer fluid composition

#390
20110263763
2011-10-27

Method for varying the transport properties of a film cast from a sulfonated copolymer

#391
20110253621
2011-10-20

Method of manufacturing hydrophilic membrane having improved antifouling property and hydrophilic membrane manufactured by the method

#392
20110244013
2011-10-06

Microporous material from ethylene-chlorotrifluoroethylene copolymer and method for making same

#393
20110240463
2011-10-06

Bipolar membrane and method of manufacturing the same

#394
20110236764
2011-09-29

MICROPOROUS MEMBRANES AND METHODS FOR PRODUCING AND USING SUCH MEMBRANES

#395
20110230614
2011-09-22

Sulfonated block copolymer fluid composition for preparing membranes and membrane structures

#396
20110226686
2011-09-22

Gas transfer device and use of a structured membrane

#397
20110223485
2011-09-15

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

#398
20110223407
2011-09-15

Method of producing microporous polymer membrane and microporous polymer membrane produced by the method

#399
20110206973
2011-08-25

MULTI-LAYER MICROPOROUS MEMBRANES AND METHODS FOR MAKING AND USING SUCH MEMBRANES

#400
20110198764
2011-08-18

AERATION SYSTEM WITH ANTIMICROBIAL PROPERTIES

#401
20110188247
2011-08-04

Water-proof and dust-proof membrane assembly and applications thereof

#402
20110178193
2011-07-21

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

#403
20110168022
2011-07-14

Filter-holding object

#404
20110159343
2011-06-30

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

#405
20110117439
2011-05-19

MICROPOROUS MEMBRANES AND METHODS FOR PRODUCING AND USING SUCH MEMBRANES

#406
20110104468
2011-05-05

Microporous polyolefin multi layer film

#407
20110104021
2011-05-05

Hydrogen membrane separator

#408
20110092606
2011-04-21

Method of forming a hydrophilic membrane

#409
20110091698
2011-04-21

Method of forming an asymmetric membrane

#410
20110086982
2011-04-14

Amine neutralized sulfonated block copolymers and method for making same

#411
20110053043
2011-03-03

Nanostructured polymer membranes for proton conduction

#412
20110049044
2011-03-03

Crystalline polymer microporous membrane, method for producing same, and filter for filtration

#413
20110049026
2011-03-03

HOLLOW FIBER MEMBRANE MODULE FOR WATER PURIFIER

#414
20110042315
2011-02-24

Pervaporation composite membrane for aqueous solution separation and methods for using the same

#415
20110027642
2011-02-03

Microporous polyolefin composite film with a thermally stable porous layer at high temperature

#416
20110003210
2011-01-06

Polyolefin Microporous Membrane Surface-Modified By Hydrophilic Polymer, Surface Modification Method Thereof And Lithium-Ion Polymer Battery Including The Same

#417
20110003178
2011-01-06

Microporous films, methods for their production, and applications thereof

#418
20100323430
2010-12-23

Media For Membrane Ion Exchange Chromatography

#419
20100313758
2010-12-16

GAS ABSORPTION MEMBRANES AND THE MANUFACTURE THEREOF

#420
20100313753
2010-12-16

Polyethylene membrane and method of its production

#421
20100305217
2010-12-02

High performance membrane

#422
20100300946
2010-12-02

Apparatus and Method for Concentrating A Fluid

#423
20100298514
2010-11-25

Sulfonated block copolymers having ethylene and diene interior blocks, and various uses for such block copolymers

#424
20100297491
2010-11-25

Microporous Polymeric Membrane, Battery Separator, and Battery

#425
20100295511
2010-11-25

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

#426
20100282693
2010-11-11

FILTRATION MEMBRANES

#427
20100272941
2010-10-28

DURABLE WATER- AND OIL- RESISTANT, BREATHABLE MICROPOROUS MEMBRANE

#428
20100261799
2010-10-14

Stable and compatible polymer blends

#429
20100258116
2010-10-14

Devices, systems and methods for reducing the concentration of a chemical entity in fluids

#430
20100228010
2010-09-09

Method for purifying protein

#431
20100224066
2010-09-09

Drying substances, preparation and use thereof

#432
20100213117
2010-08-26

Membrane post treatment

#433
20100212504
2010-08-26

Gas separation membrane

#434
20100209693
2010-08-19

HYDROPHILIC POROUS SUBSTRATES

#435
20100204403
2010-08-12

Sulfonated block copolymers, method for making same, and various uses for such block copolymers

#436
20100203785
2010-08-12

Composition containing sulfonated block copolymers and articles made therefrom

#437
20100203784
2010-08-12

Process for preparing sulfonated block copolymers and various uses for such block copolymers

#438
20100203783
2010-08-12

Sulfonated block copolymers method for making same, and various uses for such block copolymers

#439
20100203782
2010-08-12

Sulfonated block copolymers having acrylic esterand methacrylic ester interior blocks, and various uses for such blocks, and various uses for such block copolymers

#440
20100203400
2010-08-12

Humidifier membrane

#441
20100190965
2010-07-29

Method for separation of immunoglobulin monomers

#442
20100178544
2010-07-15

Polyolefin microporous membrane base for nonaqueous secondary battery separator, method for producing the same, nonaqueous secondary battery separator and nonaqueous secondary battery

#443
20100159353
2010-06-24

POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL

#444
20100151334
2010-06-17

Microporous Polyolefin Membrane, Its Production Method, And Battery Separator

#445
20100151310
2010-06-17

MICROPOROUS POLYETHYLENE MEMBRANE, ITS PRODUCTION METHOD AND BATTERY SEPARATOR

#446
20100143611
2010-06-10

METHODS FOR MAKING AN ASYMMETRIC COMPOSITE MEMBRANE

#447
20100130761
2010-05-27

Deacidification method

#448
20100104845
2010-04-29

Composite PTFE materials and applications thereof

#449
20100099838
2010-04-22

Polyolefin microporous film

#450
20100069596
2010-03-18

MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR AND BATTERY

#451
20100032368
2010-02-11

Method for producing resin porous membrane with adhesive layer, resin porous membrane with adhesive layer, and filter member

#452
20100028242
2010-02-04

Recovery of [CO]from seawater/aqueous bicarbonate systems using a multi-layer gas permeable membrane

#453
20100009265
2010-01-14

Polyolefin microporous membrane and separator for nonaqueous electrolyte battery

#454
20090325005
2009-12-31

ELECTROLYTIC MEMBRANE

#455
20090305127
2009-12-10

Microporous material and a method of making same

#456
20090301307
2009-12-10

Gas separation membrane

#457
20090297822
2009-12-03

Porous multilayered hollow-fiber membrane and process for producing the same

#458
20090286178
2009-11-19

PROCESS FOR PRODUCING RESIST COMPOSITION, FILTERING APPARATUS, RESIST COMPOSITION APPLICATOR, AND RESIST COMPOSITION

#459
20090280255
2009-11-12

Method for making sulfonated block copolymers, method for making membranes from such block copolymers and membrane structures

#460
20090277776
2009-11-12

Method and apparatus for plasma-treating porous body

#461
20090274955
2009-11-05

Multi-layer microporous polyolefin membrane and battery separator

#462
20090269672
2009-10-29

Production method of microporous polyethylene membrane and battery separator

#463
20090269656
2009-10-29

Microporous polyethylene membrane, its production method, and battery separator

#464
20090263591
2009-10-22

Multi-component composite film method for preparing the same

#465
20090239381
2009-09-24

POROUS FILM

#466
20090226814
2009-09-10

Microporous membrane, battery separator and battery

#467
20090226813
2009-09-10

Microporous Membrane, Battery Separator and Battery

#468
20090220842
2009-09-03

Fuel Cell and Polymer Electrolyte Membrane

#469
20090208842
2009-08-20

SEPARATOR, METHOD FOR MANUFACTURING SEPARATOR, AND NONAQUEOUS ELECTROLYTE BATTERY

#470
20090186280
2009-07-23

Polyolefin microporous membrane

#471
20090159526
2009-06-25

CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING SAME, AND FILTER FOR FILTRATION

#472
20090146334
2009-06-11

METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE AND MICROPOROUS MEMBRANE

#473
20090130738
2009-05-21

Media for membrane ion exchange chromatography

#474
20090123822
2009-05-14

Multi-layer microporous membrane, battery separator and battery

#475
20090117455
2009-05-07

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

#476
20090117454
2009-05-07

Multi-layer microporous membrane, battery separator and battery

#477
20090101560
2009-04-23

HYDROFLUORIC ACID TREATMENT APPARATUS

#478
20090098449
2009-04-16

Microporous polyolefin membrane, and method of producing the same

#479
20090098341
2009-04-16

MICROPOROUS POLYOLEFIN MEMBRANE AND METHOD FOR PRODUCING THE SAME

#480
20090087750
2009-04-02

Microporous membrane and manufacturing method

#481
20090081543
2009-03-26

Microporous polyolefin membrane and manufacturing method

#482
20090079102
2009-03-26

METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE

#483
20090042104
2009-02-12

Multi-component composite film method for preparing the same

#484
20090023825
2009-01-22

Microporous polyethylene film and method of producing the same

#485
20090008816
2009-01-08

METHOD FOR PRODUCING MICROPOROUS POLYOLEFIN MEMBRANE AND MICROPOROUS MEMBRANE

#486
20080315447
2008-12-25

Method of making a microporous material

#487
20080300332
2008-12-04

MICROPOROUS MATERIAL AND A METHOD OF MAKING SAME

#488
20080227880
2008-09-18

Porous body and filter

#489
20080214687
2008-09-04

Cross Linking Treatment of Polymer Membranes

#490
20080197070
2008-08-21

Composite Membranes and Membrane Systems and Methods For Production and Utilization Thereof

#491
20080124604
2008-05-29

Solid alkaline fuel cell comprising ion exchange membrane

#492
20080114087
2008-05-15

Method for fabrication of elastomeric asymmetric membranes from hydrophobic polymers

#493
20080067126
2008-03-20

METHOD FOR MEMBRANE FILTRATION PURIFICATION OF SUSPENDED WATER

#494
20080057389
2008-03-06

Microporous membrane, battery separator and battery

#495
20080057388
2008-03-06

Multi-layer, microporous membrane, battery separator and battery

#496
20080035567
2008-02-14

Enhanced membrane separation system

#497
20080020192
2008-01-24

Multilayer porous membrane and process

#498
20080014622
2008-01-17

Devices, systems and methods for reducing the concentration of a chemical entity in fluids

#499
20070264483
2007-11-15

Microporous polyolefin membrane, its production method, and battery separator

#500
20070221568
2007-09-27

Microporous membrane made of polyolefins

#501
20070221567
2007-09-27

Membrane made of a blend of UHMW polyolefins

#502
20070148552
2007-06-28

Microporous membrane made from polyolefin

#503
20070138682
2007-06-21

Microporous film of semicrystalline polymers and method for preparing the same

#504
20070138681
2007-06-21

Microporoous film of semicrystalline polymer and method for preparing the same

#505
20070137477
2007-06-21

Metal oxide nanoparticle filled polymers

#506
20070128512
2007-06-07

Microporous composite membrane and its producing method and use

#507
20070072069
2007-03-29

Microporous composite membrane and its production method and use

#508
20070045175
2007-03-01

Preparation of asymmetric polyethylene hollow fiber membrane

#509
20070021569
2007-01-25

Sulfonated block copolymers, method for making same, and various uses for such block copolymers

#510
20070012617
2007-01-18

Method for producing micro-porous film of thermoplastic resin

#511
20060272499
2006-12-07

Gas filtration media

#512
20060228597
2006-10-12

Method for humidifying a reactant stream for a fuel cell

#513
20060188942
2006-08-24

Detection of micro-organisms

#514
20060188786
2006-08-24

Separator for secondary battery and porous film made of polyolefin blend and process for preparing the same

#515
20060177643
2006-08-10

Microporous polyethylene film

#516
20060157404
2006-07-20

Membrane post treatment

#517
20060148915
2006-07-06

Microporous materials and methods of making

#518
20060121269
2006-06-08

Method of making microporous material

#519
20060103055
2006-05-18

Polyolefin microporous membrane

#520
20060055075
2006-03-16

Porous film and separator for battery using the same

#521
20060014098
2006-01-19

Process for producing photoresist composition, filter, coater and photoresist composition

#522
20060009538
2006-01-12

Microporous polyethylene film and method of producing the same

#523
20060008636
2006-01-12

Microporous polyethylene film and method of producing the same

#524
20050238937
2005-10-27

Highly conductive ordered ion exchange membranes

#525
20050202231
2005-09-15

Filter material for micro-filter

#526
20050202163
2005-09-15

Method of making a composite microporous membrane

#527
20050191530
2005-09-01

Method for humidifying a reactant stream for a fuel cell

#528
20050145107
2005-07-07

Process for producing polyolefin membrane with integrally asymmetrical structure

#529
20050112371
2005-05-26

Microporous hollow fiber membrane with lengthwise variable mechanical and filtration properties and the method of their preparation

#530
20050098913
2005-05-12

Microporous polyolefin membrane, and method of producing the same

#531
20050058823
2005-03-17

Method of producing a microporous polyolefin membrane

#532
20050019665
2005-01-27

Polyolefin microporous membrane and method of evaluating the same

#533
20050003033
2005-01-06

Extruder with condenser

#534
14504379
2015-07-07

Nanocomposite mixed-matrix membrane

#535
14292751
2015-10-27

Self-assembling polymers—VI

#536
14292611
2015-10-20

Self-assembling polymers—II