ClassID:

100181

C08J5/2293 - CPC Classification

Classification description:

Manufacture of articles or shaped materials containing macromolecular substances; Manufacture of shaped structures of ion-exchange resins; Films, membranes or diaphragms; After-treatment After-treatment of fluorine-containing membranes

Recent Application in this class:
#1
20260135147
2026-05-14

POLYMER AND PREPARATION THEREOF, AND ELECTROLYTE FILM AND PREPARATION THEREOF

#2
20260117034
2026-04-30

Anion Exchange Ionomer With A Poyarylene Backbone and Anion Exchange Membrane Incorporating Same

#3
20250339851
2025-11-06

FIBER REINFORCEMENT FOR ION EXCHANGE COMPOSITE MEMBRANE

#4
20240287269
2024-08-29

SYNTHESIS OF POLY(PHENYLENE) COMPOUND INTERGRATED WITH FUNCTIONALIZED FLUORENE PORTION FOR ION EXCHANGE IONOMER AND ION EXCHANGE IONOMER

#5
20240279376
2024-08-22

RESIN COMPOSITION, RESIN COMPOSITION PRODUCTION METHOD, AND ELECTROCHEMICAL DEVICE

#6
20230391968
2023-12-07

Chemically modified anion exchange membrane

#7
20230265568
2023-08-24

MEMBRANE ELECTRODE ASSEMBLY FOR COx REDUCTION

#8
20230223575
2023-07-13

MEMBRANE, MEMBRANE ELECTRODE UNIT, AND APPLICATIONS THEREOF

#9
20220251316
2022-08-11

Chemically modified anion exchange membrane and method of preparing the same

#10
20220135722
2022-05-05

Conjugated polyelectrolyte-grafted membrane and method for manufacturing the same

#11
20220052357
2022-02-17

Phosphate anion-quaternary ammonium ion pair coordinated polymer membranes

#12
20210395908
2021-12-23

MEMBRANE ELECTRODE ASSEMBLY FOR COx REDUCTION

#13
20210347956
2021-11-11

Anion exchange ionomer with a poyarylene backbone and anion exchange membrane incorporating same

#14
20210245148
2021-08-12

Composite particles and ion exchange membrane

#15
20200343569
2020-10-29

PROTON EXCHANGE MEMBRANE WITH ENHANCED CHEMICAL STABILITY AND METHOD OF PREPARING THEREOF

#16
20200313215
2020-10-01

MEMBRANES FOR FUELS CELLS AND METHOD OF MAKING SAME

#17
20200287230
2020-09-10

Polymer electrolyte membrane, method for manufacturing same, and membrane electrode assembly comprising same

#18
20200123337
2020-04-23

Methods for producing fluorinated polymer, fluorinated polymer having functional group and electrolyte membrane

#19
20200122093
2020-04-23

Method of preparing ion-exchange membrane using chemical modification and ion-exchange membrane prepared thereby

#20
20200040151
2020-02-06

Method of preparing chemically modified anion exchange membrane

#21
20190203002
2019-07-04

Ion exchange membrane, method for producing ion exchange membrane, and electrolyzer

#22
20190169416
2019-06-06

Fabricating ionic/polyimtde membranes

#23
20180186950
2018-07-05

Production method for ion exchange membrane for alkali chloride electrolysis, and production method for alkali chloride electrolysis apparatus

#24
20180163089
2018-06-14

Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties

#25
20180147541
2018-05-31

Ion-exchange membrane with molecular barrier

#26
20180079929
2018-03-22

Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties

#27
20160075915
2016-03-17

Porous air permeable polytetrafluoroethylene composites with improved mechanical and thermal properties

#28
20150194691
2015-07-09

Preparation method of fluorine-containing ionomer composite material with ion exchange function

#29
20150086885
2015-03-26

Composite having ion exchange function and preparation method and use thereof

#30
20130252137
2013-09-26

Use of porous membrane and composite membrane thereof in redox flow energy storage battery

#31
20130101921
2013-04-25

Fluorine containing ionomer composite with ion exchange function, preparation method and use thereof

#32
20120225371
2012-09-06

IONOMER FOR ALKALINE FUEL CELL

#33
20110127161
2011-06-02

NOVEL PROTON EXCHANGE COMPOSITE MEMBRANE WITH LOW RESISTANCE AND PREPARATION THEREOF

#34
20100292351
2010-11-18

Process to prepare crosslinkable trifluorostyrene polymers and membranes

#35
20100239944
2010-09-23

SOLID POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCTION OF SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL

#36
20100158983
2010-06-24

METHOD FOR INCREASING THE PERMEABILITY OF POLYMER FILM

#37
20100093878
2010-04-15

CROSSLINKABLE FLUOROPOLYMER, CROSSLINKED FLUOROPOLYMERS AND CROSSLINKED FLUOROPOLYMER MEMBRANES

#38
20100040927
2010-02-18

Silane crosslinked structure-introduced fuel-cell polymer electrolyte membrane and fuel-cell electrode assembly having the same

#39
20090286128
2009-11-19

SOLE POLYELECTROLYTE FILM AND PROCESS FOR PRODUCING SAME, AND FUEL CELL

#40
20090280385
2009-11-12

Perfluorocarbon ionomer membrane with high proton conductivity and preparation thereof

#41
20090269642
2009-10-29

ION CONDUCTING POLYMER MEMBRANES

#42
20090017358
2009-01-15

Process for producing solid polyelectrolyte film by graft-polymerizing polymerizable monomer with fluororesin film, solid polyelectrolyte film obtainable by the process, and fuel cell

#43
20080171251
2008-07-17

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

#44
20080058440
2008-03-06

Hydrophilic membranes

#45
20080044710
2008-02-21

Electrolyte Membrane Having Excellent Adhesion To Electrodes

#46
20070259978
2007-11-08

Proton Exchange Composite Membrane with Low Resistance and Preparation Thereof

#47
20070142563
2007-06-21

Polymer electrolytes crosslinked by e-beam

#48
20070111072
2007-05-17

Indicator fixed ion-exchange membrane

#49
20070093561
2007-04-26

Perfluorocarbon ionomer membrane with high proton conductivity and preparation thereof

#50
20070031716
2007-02-08

Process for making cation exchange membranes with reduced methanol permeability

#51
20060276555
2006-12-07

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

#52
20060194890
2006-08-31

Electrolyte membrane-forming curable resin composition, and preparation of electrolyte membrane and electrolyte membrane/electrode assembly

#53
20050181252
2005-08-18

Ion conducting polymer membranes

#54
20050143540
2005-06-30

Ion exchange polymer dispersion, process for its production and its use

#55
20050129925
2005-06-16

Treatment of porous article

#56
20050129851
2005-06-16

Treatment of porous article

#57
20050107488
2005-05-19

Polymer electrolytes crosslinked by e-beam

#58
20050100662
2005-05-12

Methods for preparing electrolyte membrane and electrolyte membrane/electrode assembly for fuel cells