ClassID:

30902

B01D2323/385 - CPC Classification

Classification description:

Details relating to membrane preparation; Graft polymerization involving radiation

Recent Application in this class:
#1
20250367610
2025-12-04

Block Copolymers Grafted to Porous Polymeric Substrate

#2
20250304734
2025-10-02

CROSS-LINKABLE AND CHARGED ZWITTERIONIC POLYMERS AND MEMBRANES COMPRISING SAME

#3
20250229235
2025-07-17

DURABLE GRAPHENE OXIDE MEMBRANES COMPRISING FUNCTIONALIZED SUPPORT COMPONENTS

#4
20240382905
2024-11-21

SURFACE-MODIFIED POLYMERIC MEMBRANES AND METHOD OF MAKING THEREOF

#5
20240317952
2024-09-26

Fabrication of reinforced anion exchange membranes

#6
20230415101
2023-12-28

METAL-ORGANIC FRAMEWORK MATERIAL SEPARATION MEMBRANE, PREPARATION METHOD THEREFOR, AND USE THEREOF

#7
20230058997
2023-02-23

ORGANOSILICA MEMBRANES, METHODS OF MAKING SAME, AND USES THEREOF

#8
20220282054
2022-09-08

SUPER-WET SURFACE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

#9
20220080367
2022-03-17

Efficient antifouling and hydrophilic polyethersulfone ultrafiltration membrane and preparation method thereof

#10
20220032282
2022-02-03

Grafted polysulfone membranes

#11
20210387147
2021-12-16

Composite material for removal of hydrophobic components from fluid mixtures

#12
20210245110
2021-08-12

UV-GRAFTING PROCESS FOR POLYMERIC FLAT-SHEET MEMBRANES

#13
20210236987
2021-08-05

Surface modified membranes for gas separation, and a method for preparing thereof

#14
20210229031
2021-07-29

Hybrid polymer membrane

#15
20210031152
2021-02-04

Functionalized copolymers and use thereof

#16
20200353425
2020-11-12

Synthetic membranes and methods of use thereof

#17
20200346170
2020-11-05

Asymmetric composite membrane and a method of preparation thereof

#18
20200139308
2020-05-07

Synthetic membranes and methods of use thereof

#19
20190218381
2019-07-18

Surface modifying agents, modified materials and methods

#20
20190070567
2019-03-07

Synthetic membranes and methods of use thereof

#21
20190062369
2019-02-28

Ligand functional substrates

#22
20190001281
2019-01-03

Grafted islands-in-the-sea nonwoven for high capacity ion exchange bioseparation

#23
20180290109
2018-10-11

Grafted ultra high molecular weight polyethylene microporous membranes

#24
20180257042
2018-09-13

Filtration medium sequence for biomaterial purification

#25
20180185835
2018-07-05

Grafted polysulfone membranes

#26
20180171089
2018-06-21

Hydrophilic fluoroplastic substrates

#27
20170312698
2017-11-02

Synthetic membranes and methods of use thereof

#28
20170165617
2017-06-15

Graft copolymer functionalized article

#29
20160354771
2016-12-08

Curable composition and cured polymer product

#30
20160152662
2016-06-02

Ligand functional substrates

#31
20160115286
2016-04-28

Hydrophilic fluoroplastic substrates

#32
20150136698
2015-05-21

Graft copolymer functionalized article

#33
20150104582
2015-04-16

METHOD FOR MAKING A FUNCTIONALIZED MEMBRANE

#34
20150099413
2015-04-09

Nonwoven article grafted with copolymer

#35
20140206251
2014-07-24

Surface modifying agents, modified materials and methods

#36
20140061121
2014-03-06

Separation membrane, method of producing the same and separation membrane module using the separation membrane

#37
20130306551
2013-11-21

High performance positively charged composite membranes and their use in nanofiltration processes

#38
20130288158
2013-10-31

Co(II)tetramethoxyphenylporphyrin additive to PFSA PEMs for improved fuel cell durability

#39
20130171669
2013-07-04

POROUS MEMBRANES HAVING A HYDROPHILIC COATING AND METHODS FOR THEIR PREPARATION AND USE

#40
20130122215
2013-05-16

Functionalized nonwoven article

#41
20120252091
2012-10-04

Ligand functional substrates

#42
20110189585
2011-08-04

ION-EXCHANGE MEMBRANES STRUCTURED IN THE THICKNESS AND PROCESS FOR MANUFACTURING THESE MEMBRANES

#43
20110053038
2011-03-03

Co(II)tetramethoxyphenylporphyrin additive to PFSA PEMS for improved fuel cell durability

#44
20110017654
2011-01-27

Separation membrane, method of producing the same and separation membrane module using the separation membrane

#45
20100320138
2010-12-23

Functionalized nonwoven article

#46
20100261801
2010-10-14

METHOD FOR MAKING A FUNCTIONALIZED MEMBRANE

#47
20100210160
2010-08-19

HYDROPHILIC POROUS SUBSTRATES

#48
20100209693
2010-08-19

HYDROPHILIC POROUS SUBSTRATES

#49
20100203400
2010-08-12

Humidifier membrane

#50
20100190965
2010-07-29

Method for separation of immunoglobulin monomers

#51
20090308804
2009-12-17

Fouling and scaling resistant nano-structured reverse osmosis membranes

#52
20090242477
2009-10-01

Modified substrate and process for production thereof

#53
20090191399
2009-07-30

PERMANENT HYDROPHILIC POROUS COATINGS ONTO A SUBSTRATE AND POROUS MEMBRANES THEREOF

#54
20090191357
2009-07-30

PROCESSES FOR FORMING PERMANENT HYDROPHILIC POROUS COATINGS ONTO A SUBSTRATE, AND POROUS MEMBRANES THEREOF

#55
20090188857
2009-07-30

Permanent hydrophilic porous coatings and methods of making them

#56
20090053611
2009-02-26

Method for Preparing a Membrane to Be Assembled in a Membrane Electrode Assembly and Membrane Electrode Assembly

#57
20090029215
2009-01-29

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

#58
20080199754
2008-08-21

Method for Preparing a Radiation Grafted Fuel Cell Membrane with Enhanced Chemical Stability and a Membrane Electrode Assembly

#59
20080171251
2008-07-17

Functional membrane and production method thereof, and electrolyte membrane for use in fuel cell and production method thereof

#60
20080160374
2008-07-03

Functional membrane and electrolyte membrane for fuel cells and method for producing the same

#61
20070292734
2007-12-20

Polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cells

#62
20070248942
2007-10-25

Method for removing viruses and leukocytes from blood using a surface comprising hydroxyl and polyethylene glycol groups

#63
20060276556
2006-12-07

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

#64
20060276555
2006-12-07

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

#65
20060264576
2006-11-23

Process to prepare stable trifluorostyrene containing compounds grafted to base polymers

#66
20060166067
2006-07-27

Polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cells

#67
20060079594
2006-04-13

Process for preparing graft copolymer membranes

#68
20060016748
2006-01-26

Microporous hydrophilic membrane

#69
20050139545
2005-06-30

Photo-processing and cleaning of pes and psf membranes

#70
20050014127
2005-01-20

Method for selectively removing virus and leukocytes eliminating material and eliminating apparatus