ClassID:

30010

B01D71/32 - 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; Polyalkenyl halides containing fluorine atoms

Recent Application in this class:
#301
20090277837
2009-11-12

Fluoropolymer Coated Membranes

#302
20090233351
2009-09-17

Method for controlling pressure-difference bubble transfer

#303
20090191398
2009-07-30

MEMBRANES COMPRISING HYDROPHILIC COATINGS

#304
20090188857
2009-07-30

Permanent hydrophilic porous coatings and methods of making them

#305
20090184037
2009-07-23

MEMBRANE STRUCTURE FOR GAS SEPARATION

#306
20090178969
2009-07-16

Polymer separation membrane and process for producing the same

#307
20090145847
2009-06-11

Method of producing high purity steam

#308
20090127200
2009-05-21

Barrier with a seated ion exchange bead and method

#309
20090126733
2009-05-21

XENON RECOVERY FROM AMBIENT PRESSURE VENTILATOR LOOP

#310
20090123641
2009-05-14

Reinforced ion-conductive membranes

#311
20090057224
2009-03-05

Dehydration processes using membranes with hydrophobic coating

#312
20090057222
2009-03-05

MEMBRANE CARD AND METHOD FOR THE PRODUCTION AND USE THEREOF

#313
20090049988
2009-02-26

Composite material

#314
20090029215
2009-01-29

Ion-exchange membranes structured in the thickness and process for manufacturing these membranes

#315
20090004713
2009-01-01

Membrane-augmented distillation with pressure change to separate solvents from water

#316
20080314727
2008-12-25

Microporous membrane for flash distillation

#317
20080305250
2008-12-11

Fabrication Methods for Catalyst Coated Membranes

#318
20080269409
2008-10-30

Composite Membranes of High Homogeneity

#319
20080242833
2008-10-02

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

#320
20080242819
2008-10-02

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

#321
20080242805
2008-10-02

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

#322
20080241630
2008-10-02

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

#323
20080227880
2008-09-18

Porous body and filter

#324
20080216649
2008-09-11

Liquid-phase and vapor-phase dehydration of organic/water solutions

#325
20080214687
2008-09-04

Cross Linking Treatment of Polymer Membranes

#326
20080156191
2008-07-03

Hollow fiber membrane contact apparatus and process

#327
20080156188
2008-07-03

Membrane for Separating Co2 and Process for the Production Thereof

#328
20080124604
2008-05-29

Solid alkaline fuel cell comprising ion exchange membrane

#329
20080058440
2008-03-06

Hydrophilic membranes

#330
20080051479
2008-02-28

Fluoropolymers and membranes prepared from such polymers, in particular for fuel cells and method for synthesizing such polymers

#331
20080032184
2008-02-07

Stable Trifluorostyrene Containing Compounds, And Their Use In Polymer Electroyte Membranes

#332
20080014490
2008-01-17

Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer

#333
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#334
20070256969
2007-11-08

Composite Perfluorohydrocarbon Membranes, Their Preparation and Use

#335
20070216057
2007-09-20

Poly(ethylene chlorotrifluoroethylene) membranes

#336
20070210002
2007-09-13

CHEMICAL AND PROCESS FOR CLEANING MEMBRANES

#337
20070202377
2007-08-30

Electrolyte material, electrolyte membrane and membrane-electrolyte assembly for polymer electrolyte fuel cells

#338
20070180993
2007-08-09

Chemical filter unit

#339
20070157812
2007-07-12

Gas transfer membrane

#340
20070134407
2007-06-14

Fabrication methods for catalyst coated membranes

#341
20070128425
2007-06-07

Reinforced ion-conductive membranes

#342
20070128394
2007-06-07

Multiple layered membrane with thin fluorine containing polymer layer

#343
20070102349
2007-05-10

Membrane and associated method

#344
20070095206
2007-05-03

Fuel deoxygenation system with multi-layer oxygen permeable membrane

#345
20070072069
2007-03-29

Microporous composite membrane and its production method and use

#346
20070066691
2007-03-22

Composite ionomeric membrane

#347
20070031717
2007-02-08

Composite proton exchange membrane and method of manufacturing the same

#348
20070026380
2007-02-01

System for water removal and solvent evaporation

#349
20070007197
2007-01-11

System and method for synthesizing a polymeric membrane

#350
20060276556
2006-12-07

Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using an alcohol/water mixture

#351
20060276555
2006-12-07

Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using a solvent/water mixture

#352
20060269815
2006-11-30

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

#353
20060264576
2006-11-23

Process to prepare stable trifluorostyrene containing compounds grafted to base polymers

#354
20060229421
2006-10-12

Powders or manufactured articles having a surface hydrophilicity

#355
20060223894
2006-10-05

Ionomeric membrane

#356
20060216564
2006-09-28

CCM composite

#357
20060214325
2006-09-28

Continuous coating process for composite membranes

#358
20060207883
2006-09-21

Electrochemical high pressure pump

#359
20060205301
2006-09-14

Composite membrane having hydrophilic properties and method of manufacture

#360
20060201874
2006-09-14

Composite membrane

#361
20060185510
2006-08-24

Membrane based de-oxygenator for process streams

#362
20060160958
2006-07-20

Polymer electrolyte with aromatic sulfone crosslinking

#363
20060157404
2006-07-20

Membrane post treatment

#364
20060135715
2006-06-22

Trifluorostyrene containing compounds, and their use in polymer electrolyte membranes

#365
20060100294
2006-05-11

Partially fluorinated copolymer based on trifluorostyrene and substituted vinyl compound and ionic conductive polymer membrane formed therefrom

#366
20060079594
2006-04-13

Process for preparing graft copolymer membranes

#367
20060063054
2006-03-23

Durable fuel cell having polymer electrolyte membrane comprising manganese oxide

#368
20060051647
2006-03-09

Polymer electrolyte membrane having excellent durability

#369
20060051568
2006-03-09

Composite membranes of high homogeneity

#370
20060032813
2006-02-16

Fluoropolymer membrane

#371
20060024839
2006-02-02

Inorganic carbon removal

#372
20060000777
2006-01-05

Liquid-phase separation of low molecular weight organic compounds

#373
20050266289
2005-12-01

Ionic perfluorovinyl compounds and their uses as components of ionic conductors of the polymer type, of selective membranes or of catalysts

#374
20050247629
2005-11-10

UV treated membranes

#375
20050239912
2005-10-27

Fluorinated membranes

#376
20050238937
2005-10-27

Highly conductive ordered ion exchange membranes

#377
20050238813
2005-10-27

Process for impregnating supports

#378
20050230856
2005-10-20

Hollow fiber membrane contact apparatus and process

#379
20050228127
2005-10-13

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

#380
20050184006
2005-08-25

Method for producing a non-porous membrane

#381
20050182215
2005-08-18

Low equivalent weight ionomer

#382
20050165186
2005-07-28

Low equivalent weight ionomer

#383
20050165167
2005-07-28

Process for preparing graft copolymers and membranes formed therefrom

#384
20050155926
2005-07-21

System and method for synthesizing a polymer membrane

#385
20050142280
2005-06-30

System and method for synthesizing a polymer membrane

#386
20050113528
2005-05-26

Polymer electrolyte with aromatic sulfone crosslinking

#387
20050107490
2005-05-19

Bromine, chlorine or iodine functional polymer electrolytes crosslinked by e-beam

#388
20050098494
2005-05-12

Poly(ethylene chlorotrifluoroethylene) membranes

#389
20050095486
2005-05-05

Composite ion exchange membrane and electrolyte membrane electrode assembly

#390
20050082219
2005-04-21

Unsupported fluorocarbon copolymer membrane and a method for making the same

#391
20050049319
2005-03-03

Graft polymeric membranes and ion-exchange membranes formed therefrom

#392
20050031925
2005-02-10

Composite solid polymer electrolyte membranes

#393
20050003204
2005-01-06

Multiple layered membrane with fluorine containing polymer layer

#394
18638505
2024-12-31

Mixed matrix membranes containing covalent triazine frameworks

#395
14184308
2014-09-09

Gas separation membranes based on perfluorinated polymers