ClassID:

29979

B01D69/125 - page 3 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor; Composite membranes; Ultra-thin membranes manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction

Recent Application in this class:
#601
20110259817
2011-10-27

Composite membrane including coating of polyalkylene oxide and triazine compounds

#602
20110259815
2011-10-27

Biomimetic membrane formed from a vesicle-thread conjugate

#603
20110244215
2011-10-06

Electron beam induced modification of membranes by polymers

#604
20110244127
2011-10-06

Method of forming coated structures

#605
20110220569
2011-09-15

Composite membrane including coating of polyalkylene oxide and acetophenone compounds

#606
20110189469
2011-08-04

Functionalized thin film polyamide membranes

#607
20110168631
2011-07-14

METHODS AND APPARATUSES FOR WATER FILTRATION USING POLYARYLETHER MEMBRANES

#608
20110155660
2011-06-30

MODIFIED MEMBRANE

#609
20110147308
2011-06-23

Charged Porous Polymeric Membranes and Their Preparation

#610
20110139708
2011-06-16

Composite semipermeable membrane and manufacturing method therefor

#611
20110132834
2011-06-09

Composite semipermeable membrane and manufacturing method therefor

#612
20110132762
2011-06-09

Nanoengineered field induced charge separation membranes and methods of manufacture thereof

#613
20110120940
2011-05-26

Polymeric films made from polyhedral oligomeric silsesquioxane (POSS) and a hydrophilic comonomer

#614
20110094960
2011-04-28

Method of forming a rewettable asymmetric membrane

#615
20110091698
2011-04-21

Method of forming an asymmetric membrane

#616
20110073541
2011-03-31

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

#617
20110064936
2011-03-17

Method of Asymmetrically Functionalizing Porous Materials

#618
20110042299
2011-02-24

COMPOSITE MEMBRANE ASSEMBLIES AND METHODS OF MAKING AND USING THE SAME

#619
20110030559
2011-02-10

Composite membranes

#620
20110023717
2011-02-03

Process for preparing membranes

#621
20110017662
2011-01-27

COMPOSITE SEPARATION MEMBRANE

#622
20110005997
2011-01-13

Hybrid TFC RO membranes with nitrogen additives

#623
20110003178
2011-01-06

Microporous films, methods for their production, and applications thereof

#624
20100320143
2010-12-23

COMPOSITE SEMIPERMEABLE MEMBRANES AND PROCESS FOR PRODUCTION THEREOF

#625
20100320140
2010-12-23

Methods and systems for incorporating carbon nanotubes into thin film composite reverse osmosis membranes

#626
20100297491
2010-11-25

Microporous Polymeric Membrane, Battery Separator, and Battery

#627
20100297429
2010-11-25

Method of making composite membrane

#628
20100294128
2010-11-25

Fuel deoxygenator with porous support plate

#629
20100236481
2010-09-23

Preparation of membranes using solvent-less vapor deposition followed by in-situ polymerization

#630
20100226824
2010-09-09

Drying substances, preparation and use thereof

#631
20100224555
2010-09-09

NANOCOMPOSITE MEMBRANES AND METHODS OF MAKING AND USING SAME

#632
20100222489
2010-09-02

COPOLYMER COMPOSITION, MEMBRANE ARTICLE, AND METHODS THEREOF

#633
20100216967
2010-08-26

INTERFACIAL POLYMERIZATION METHODS FOR MAKING FLUOROALCOHOL-CONTAINING POLYAMIDES

#634
20100216899
2010-08-26

Polyamide membranes with fluoroalcohol functionality

#635
20100181250
2010-07-22

AMINE AQUEOUS SOLUTION FOR FORMING AN ACTIVE LAYER OF POLYAMIDE REVERSE OSMOSIS COMPOSITE MEMBRANE, POLYAMIDE REVERSE OSMOSIS COMPOSITE MEMBRANE PREPARED THEREBY, AND PREPARATION METHOD THEREOF

#636
20100178489
2010-07-15

Composite semipermeable membrane

#637
20100176052
2010-07-15

PROCESS FOR PRODUCING COMPOSITE SEMIPERMEABLE MEMBRANE

#638
20100173083
2010-07-08

SEMIPERMEABLE COMPOSITE MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#639
20100162892
2010-07-01

Membrane comprising oxyethylene groups

#640
20100154641
2010-06-24

Membrane comprising oxyethylene groups

#641
20100143733
2010-06-10

Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds

#642
20100140828
2010-06-10

Porous Membrane and Recording Medium Comprising Same

#643
20100126352
2010-05-27

Membranes and processes for their manufacture and use

#644
20100096327
2010-04-22

POLYMER COATINGS THAT RESIST ADSORPTION OF PROTEINS

#645
20100084335
2010-04-08

Composite membrane for the separation of water and method for manufacturing same

#646
20100075101
2010-03-25

Cast-on-Tricot Asymmetric and Composite Separation Membranes

#647
20100062156
2010-03-11

Reverse osmosis membranes

#648
20100059433
2010-03-11

POLYMER DEPOSITION AND MODIFICATION OF MEMBRANES FOR FOULING RESISTANCE

#649
20100051538
2010-03-04

Water purification membranes with improved fouling resistance

#650
20100044902
2010-02-25

Composite semipermeable membrane and process for producing the same

#651
20090282983
2009-11-19

Hydrothermally-stable silica-based composite membranes for hydrogen separation

#652
20090272692
2009-11-05

THIN FILM MEMBRANES WITH ADDITIVES FOR FORWARD AND PRESSURE RETARDED OSMOSIS

#653
20090242479
2009-10-01

AROMATIC HALOSULFONYL ISOCYANATE COMPOSITIONS

#654
20090242478
2009-10-01

Carbon membrane laminated body and method for manufacturing the same

#655
20090234032
2009-09-17

HYDROPHILIC, COMPOSITE, MICROPOROUS MEMBRANE AND ITS PRODUCTION METHOD

#656
20090220690
2009-09-03

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

#657
20090208726
2009-08-20

Nanoporous membrane, process of fabricating the same and device for controlled release of biopharmaceuticals comprising the same

#658
20090206025
2009-08-20

SEPARATION MEMBRANE-POROUS MATERIAL COMPOSITE AND METHOD FOR MANUFACTURING THE SAME

#659
20090159527
2009-06-25

Modified membrane

#660
20090123641
2009-05-14

Reinforced ion-conductive membranes

#661
20090107922
2009-04-30

MEMBRANE, WATER TREATMENT SYSTEM, AND ASSOCIATED METHOD

#662
20090071903
2009-03-19

Composite semipermeable membranes, methods for production thereof and uses thereof

#663
20090050558
2009-02-26

Process for producing composite reverse osmosis membrane

#664
20090011926
2009-01-08

PROCESS FOR PRODUCING DDR TYPE ZEOLITE MEMBRANE

#665
20090001009
2009-01-01

Composite membranes and methods for their preparation

#666
20080296225
2008-12-04

Water permeable membranes and methods of making water permeable membranes

#667
20080295692
2008-12-04

UV CROSS-LINKED POLYMER FUNCTIONALIZED MOLECULAR SIEVE/POLYMER MIXED MATRIX MEMBRANES FOR SULFUR REDUCTION

#668
20080295691
2008-12-04

UV CROSS-LINKED POLYMER FUNCTIONALIZED MOLECULAR SIEVE/POLYMER MIXED MATRIX MEMBRANES

#669
20080277334
2008-11-13

Process for Producing Semipermeable Composite Membrane

#670
20080257818
2008-10-23

Semipermeable Composite Membrane and Process for Producing the Same

#671
20080251447
2008-10-16

Process for producing a dried composite semipermeable membrane

#672
20080237126
2008-10-02

Micro-and nanocomposite support structures for reverse osmosis thin film membranes

#673
20080237118
2008-10-02

Polyamide reverse osmosis composite membrane and preparation method thereof

#674
20080234462
2008-09-25

Preparation method of polyamide thin film composite reverse osmosis membrane and polyamide thin film composite reverse osmosis membrane prepared therefrom

#675
20080203013
2008-08-28

OXIDATION-RESISTANT COMPOSITE REVERSE OSMOSIS MEMBRANE

#676
20080203012
2008-08-28

MEMBRANE, APPARATUS, AND ASSOCIATED METHOD

#677
20080197070
2008-08-21

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

#678
20080193735
2008-08-14

POROUS MEMBRANE AND RECORDING MEDIUM COMPRISING SAME

#679
20080182914
2008-07-31

POROUS MEMBRANE AND RECORDING MEDIUM COMPRISING SAME

#680
20080182044
2008-07-31

Porous membrane and recording medium comprising same

#681
20080171188
2008-07-17

Porous membrane and recording medium, as well as process for preparing same

#682
20080171156
2008-07-17

POROUS MEMBRANE AND RECORDING MEDIUM COMPRISING SAME

#683
20080168900
2008-07-17

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

#684
20080149561
2008-06-26

Articles comprising a fibrous support

#685
20080083670
2008-04-10

COMPOSITE SEMIPERMEABLE MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#686
20080063794
2008-03-13

Mesoporous permeation layers for use on active electronic matrix devices

#687
20080053893
2008-03-06

Semipermeable Composite Membrane and Process for Producing the Same

#688
20080047432
2008-02-28

Porous structure with seed crystal-containing layer for manufacturing zeolite membrane, zeolite membrane, and method for manufacturing zeolite membrane

#689
20080035572
2008-02-14

Chemically cross-linked polymeric membranes and method of use

#690
20080034972
2008-02-14

Membranes with controlled permeability to polar and apolar molecules in solution and methods of making same

#691
20080000843
2008-01-03

Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and treatment method for boron-containing water using the same

#692
20070284309
2007-12-13

Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and method for water treatment using the same

#693
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#694
20070251883
2007-11-01

Reverse Osmosis Membrane with Branched Poly(Alkylene Oxide) Modified Antifouling Surface

#695
20070251388
2007-11-01

Hydrothermally-stable silica-based composite membranes for hydrogen separation

#696
20070227966
2007-10-04

Composite polyamide reverse osmosis membrane showing high boron rejection and method of producing the same

#697
20070207493
2007-09-06

Positively charged membrane

#698
20070199892
2007-08-30

Method for producing hollow fiber membranes

#699
20070175821
2007-08-02

Selective membrane having a high fouling resistance

#700
20070175820
2007-08-02

Selective membrane having a high fouling resistance

#701
20070175818
2007-08-02

Hydrophilic porous membrane and method of forming the same

#702
20070163433
2007-07-19

Fuel deoxygenator with non-planar fuel channel and oxygen permeable membrane

#703
20070128512
2007-06-07

Microporous composite membrane and its producing method and use

#704
20070128425
2007-06-07

Reinforced ion-conductive membranes

#705
20070119774
2007-05-31

Process for removing microbubbles from a liquid

#706
20070098896
2007-05-03

Preparation of membranes using solvent-less vapor deposition followed by in-situ polymerization

#707
20070051680
2007-03-08

Hydrophilic cross-linked polymeric membranes and sorbents

#708
20070020391
2007-01-25

Preparation of membranes using solvent-less vapor deposition followed by in-situ polymerization

#709
20070007195
2007-01-11

Composite membrane and process

#710
20060289352
2006-12-28

Poly(meth)acrylate membranes for separation of hydrocarbon mixtures

#711
20060269813
2006-11-30

Supported ceramic membranes and electrochemical cells and cell stacks including the same

#712
20060264355
2006-11-23

Separating material

#713
20060263659
2006-11-23

Polymer electrolyte membrane and fuel cell using the polymer electrolyte membrane

#714
20060249447
2006-11-09

Solvent-resistant composite membrane composition

#715
20060249446
2006-11-09

Solvent-resistant composite membrane composition

#716
20060249445
2006-11-09

Positively charged membrane

#717
20060219628
2006-10-05

Composite polyamide reverse osmosis membrane and method of producing the same

#718
20060207930
2006-09-21

Interfacial composite structure and method of making them

#719
20060169634
2006-08-03

Reverse osmosis membrane and method for producing the same

#720
20060138043
2006-06-29

Process for preparation of thin film composite membrane

#721
20060096922
2006-05-11

Lyotropic liquid crystal nanofiltration membranes

#722
20060046134
2006-03-02

Polymer electrolyte membrane and fuel cell employing the same

#723
20060033243
2006-02-16

Fabricating structures in micro-fluidic channels based on hydrodynamic focusing

#724
20050284808
2005-12-29

Process for preparing semipermeable membranes

#725
20050211624
2005-09-29

Hydrophilic cross-linked polymeric membranes and sorbents

#726
20050211621
2005-09-29

Positively charged membrane

#727
20050199544
2005-09-15

Process for the preparation of free standing membranes

#728
20050191426
2005-09-01

Method of forming coated structures

#729
20050164283
2005-07-28

Mesoporous permeation layers for use on active electronic matrix devices

#730
20050103705
2005-05-19

Process for preparing semipermeable membranes having improved permeability

#731
20050032982
2005-02-10

Modified membranes

#732
20050029186
2005-02-10

Modified membranes

#733
20050029185
2005-02-10

Modified membranes

#734
18209578
2024-01-23

Low-pressure high-flux hollow fiber nanofiltration (NF) membrane, and preparation method and use thereof

#735
16381333
2020-05-05

Thin-film composite membrane and processes for the separation of alkenes from a gaseous feed mixture

#736
15392364
2018-01-02

Porous PTFE membranes for metal removal

#737
15138400
2019-01-08

Carbon dioxide separator membrane structure, method of manufacturing same, and carbon dioxide separator including same

#738
14499332
2016-01-12

High selectivity polyimide membrane for natural gas upgrading and hydrogen purification

#739
14499331
2016-02-23

High selectivity polyimide membrane for natural gas upgrading and hydrogen purification