ClassID:

99559

C08G65/4056 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group; Other compound (II) containing a ketone group, e.g. X-Ar-C(=O)-Ar-X for polyetherketones (I) or (II) containing sulfur

Sub-classes:
Recent Application in this class:
#1
20260078218
2026-03-19

BLOCK COPOLYMER, POLYMER ELECTROLYTE MATERIAL USING SAME, POLYMER ELECTROLYTE MOLDED ARTICLE, POLYMER ELECTROLYTE MEMBRANE, CATALYST-COATED ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE COMPOSITE BODY, SOLID POLYMER FUEL CELL, AND WATER ELECTROLYTIC HYDROGEN GENERATOR

#2
20250230278
2025-07-17

AROMATIC POLYETHER, METHOD FOR PRODUCING AROMATIC POLYETHER, COMPOSITION AND SHEET

#3
20250043074
2025-02-06

POLYARYLETHER COPOLYMERS BASED ON DIOL SUGAR ALCOHOLS

#4
20240182639
2024-06-06

POLYELECTROLYTE MOLDED BODY, AND POLYELECTROLYTE MEMBRANE, ELECTROLYTE MEMBRANE WITH CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, SOLID POLYMER-TYPE FUEL CELL, AND WATER ELECTROLYSIS-STYLE HYDROGEN PRODUCTION DEVICE IN WHICH SAID POLYELECTROLYTE MOLDED BODY IS USED

#5
20240182638
2024-06-06

BLOCK COPOLYMER, PRODUCTION METHOD THEREFOR, POLYMERIC ELECTROLYTE MATERIAL, POLYMERIC ELECTROLYTE MOLDED ARTICLE, POLYMERIC ELECTROLYTE FILM,ELECTROLYTE FILM EQUIPPED WITH CATALYST LAYER, MEMBRANE ELECTRODE COMPOSITE, SOLID POLYMER FUEL CELL, AND WATER ELECTROLYSIS TYPE HYDROGEN GENERATING DEVICE

#6
20240174813
2024-05-30

PROCESS FOR THE PRODUCTION OF PARTICLES COMPRISING POLYARYLENE (ETHER) SULFONE

#7
20240170704
2024-05-23

POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED BODY USING SAME, ELECTROLYTIC MEMBRANE HAVING CATALYST LAYER ATTACHED THERETO, MEMBRANE-ELECTRODE ASSEMBLY, SOLID POLYMER FUEL CELL, AND WATER-ELECTROLYSIS-TYPE HYDROGEN GENERATOR

#8
20240043716
2024-02-08

HIGH-TEMPERATURE SELF-CROSSLINKING FLUORINE-CONTAINING POLYARYLETHERKETONE AND PREPARATION METHOD THEREOF, AND COATING MATERIAL AND PREPARATION METHOD THEREOF

#9
20230399468
2023-12-14

BIO-BASED SULFONE COPOLYMERS FREE OF BPA AND BPS

#10
20230344166
2023-10-26

AN ELECTRICAL CONNECTOR

#11
20230250234
2023-08-10

RESIN COMPOSITION, SELF-FUSING INSULATED ELECTRIC WIRE AND WIRE BUNDLE

#12
20230086952
2023-03-23

Zwitterionic poly(sulfobetaine arylene ether sulfone) polymer synthesis route and applications for desalination membranes

#13
20230052045
2023-02-16

METHODS OF MAKING POROUS DEVICES FROM MONODISPERSE POPULATIONS OF POLYARYLKETONE OR POLYARYLTHIOETHERKETONE PARTICLES

#14
20230051959
2023-02-16

METHODS OF MAKING MONODISPERSE POPULATIONS OF POLYARYLKETONE OR POLYARYLTHIOETHERKETONE PARTICLES

#15
20220340755
2022-10-27

ZWITTERION-FUNCTIONALIZED MULTICOMPONENT COPOLYMERS AND ASSOCIATED POLYMER BLENDS AND MEMBRANES

#16
20220127419
2022-04-28

Blocky poly(ether ether ketone) copolymers and corresponding synthesis methods and articles

#17
20220056216
2022-02-24

Polyarylene ether sulfone

#18
20220056210
2022-02-24

Poly(arylene ether ketone) resin, method for producing the same, and molded article

#19
20210340332
2021-11-04

METHOD FOR PRODUCING AROMATIC POLYETHERSULFONES CONTAINING ISOHEXIDE

#20
20210317265
2021-10-14

Aromatic polyethers containing a biosourced furan diol

#21
20210221955
2021-07-22

METHOD OF MAKING A THREE-DIMENSIONAL OBJECT USING A POLY(ARYL ETHER SULFONE) (PAES) POLYMER OF LOW POLYDISPERSITY

#22
20210147625
2021-05-20

Poly(ether ketone ketone) polymer powder having a low volatiles content

#23
20210146725
2021-05-20

Metal or metal-plated reinforcement with sulfur polybenzoxazine-coated surface

#24
20210079220
2021-03-18

Zwitterion-functionalized multicomponent copolymers and associated polymer blends and membranes

#25
20200362107
2020-11-19

Sulfonated poly(arylene ether) membranes with high monovalent salt rejection even in the presence of mixed salt feeds that contain multivalent salts

#26
20200217793
2020-07-09

Method for comparative analysis on mechanical strength of macro-molecular polymer materials

#27
20190390010
2019-12-26

Cation-conducting polymer

#28
20190315919
2019-10-17

BLOCKY POLY(ETHER ETHER KETONE) COPOLYMERS AND CORRESPONDING SYNTHESIS METHODS AND ARTICLES

#29
20190300653
2019-10-03

Zwitterionic poly(sulfobetaine arylene ether sulfone) polymer synthesis route and applications for desalination membranes

#30
20190276603
2019-09-12

Poly(2,6-dimethyl-1,4-phenylene-oxide) derivatives with sulfonyl pendant groups and methods therefor

#31
20190148756
2019-05-16

Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell

#32
20190134570
2019-05-09

Nanofiber-based bipolar membranes, fabricating methods and applications of same

#33
20190106530
2019-04-11

Block polymer and polymer electrolyte membrane comprising same

#34
20190062506
2019-02-28

Aromatic polysulfone composition and molded article

#35
20190055355
2019-02-21

Poly(2,6-dimethyl-1,4-phenylene-oxide) derivatives with sulfonyl pendant groups and methods therefor

#36
20180348130
2018-12-06

Method for comparative analysis on mechanical strength of polymer materials

#37
20180346710
2018-12-06

Method for producing thermoplastic aromatic polysulfone resin, method for producing epoxy composition, and method for producing cured epoxy product

#38
20180346650
2018-12-06

Macromolecular polymer and production method thereof

#39
20180345269
2018-12-06

Terminally-crosslinked methyl morpholinium-functionalized block copolymers, and anion exchange membranes using the same

#40
20180277873
2018-09-27

Ion conductor, method for preparing same, and ion-exchange membrane, membrane-electrode assembly and fuel cell comprising same

#41
20180265626
2018-09-20

Anion exchange resin, method for producing thereof, electrolyte membrane for fuel cell, binder for forming electrode catalyst layer, fuel cell electrode catalyst layer and fuel cell

#42
20180261868
2018-09-13

Polymer electrolyte membrane

#43
20180258285
2018-09-13

Zwitterion-functionalized multicomponent copolymers and associated polymer blends and membranes

#44
20180250641
2018-09-06

Polyarylene ether sulfone-polymers for membrane applications

#45
20180244846
2018-08-30

POLY(ARYL ETHER) ADHESIVE COMPOSITIONS, POLYMER-METAL JUNCTIONS INCORPORATING POLY(ARYL ETHER) ADHESIVE COMPOSITIONS, AND CORRESPONDING FORMATION METHODS

#46
20180208768
2018-07-26

Hydrocarbon-based nanocomposite membrane comprising polyhedral oligomeric silsequioxanes having proton donor and proton acceptor, and method for manufacturing same

#47
20180057633
2018-03-01

Polymeric composites and articles formed thereof

#48
20170338504
2017-11-23

Polymer and polymer electrolyte membrane comprising same

#49
20170317370
2017-11-02

Polymer and polymer electrolyte membrane comprising same

#50
20170296985
2017-10-19

Separation membrane, separation membrane element and separation membrane module

#51
20170253712
2017-09-07

Gelation, Aerogel Formation and Reactions Thereof to Produce Non-Random Functionalization of Poly (Aryl Ether Ketones)

#52
20170222243
2017-08-03

Polymer electrolyte material, polymer electrolyte molded product using the polymer electrolyte material and method for manufacturing the polymer electrolyte molded product, membrane electrode composite, and solid polymer fuel cell

#53
20170179526
2017-06-22

Polymers containing grafted bis(sulfonyl)imide sodium or lithium salts, methods for production thereof and uses of same as electrolytes for batteries

#54
20170170516
2017-06-15

Polymers containing sulfonamide sodium or lithium salts, methods for production thereof and uses of same as electrolytes for batteries

#55
20170022322
2017-01-26

New polymeric materials

#56
20170018793
2017-01-19

Polymer electrolyte membrane, catalyst coated membrane, membrane electrode assembly, and polymer electrolyte fuel cell

#57
20160214068
2016-07-28

Polyarylene ether sulfone-polymers for membrane applications

#58
20150380759
2015-12-31

Aromatic sulfonic acid derivative, sulfonic acid group-containing polymer, block copolymer, polymer electrolyte material, polymer electrolyte form article, and polymer electrolyte fuel cell

#59
20150200413
2015-07-16

Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell

#60
20150155582
2015-06-04

Polymer electrolyte material, polymer electrolyte molded product using the polymer electrolyte material and method for manufacturing the polymer electrolyte molded product, membrane electrode composite, and solid polymer fuel cell

#61
20150094446
2015-04-02

Sulfonic acid group-containing polymer, sulfonic acid group-containing aromatic compound and method of making the same, as well as polymer electrolyte material, polymer electrolyte molded product and solid polymer fuel cell using the same

#62
20140350207
2014-11-27

Poly(aryl ether sulfone) composition and method of making

#63
20140193742
2014-07-10

Block copolymer, manufacturing method therefor, and polymer electrolyte material, molded polymer electrolyte, and solid-polymer fuel cell using said block copolymer

#64
20140023949
2014-01-23

Tri-block copolymer and electrolyte membrane made from the same

#65
20130109831
2013-05-02

Poly(aryl ether sulfone) composition, and method of making

#66
20120329939
2012-12-27

Poly(arylene ether)-poly(hydroxy ether) block copolymer and method of making

#67
20110213103
2011-09-01

Crosslinkable sulfonated copolymer and fuel cell including polymeric composition of the same

#68
20110166241
2011-07-07

Polymer electrolyte membrane

#69
20110065021
2011-03-17

Novel Sulfonic-Acid-Group-Containing Segmented Block Copolymer, Application Thereof, and Method of Manufacturing Novel Block Copolymer

#70
20100323275
2010-12-23

ION CONDUCTIVE COMPOSITION, ION CONDUCTIVE FILM CONTAINING THE SAME, ELECTRODE CATALYST MATERIAL, AND FUEL CELL

#71
20100209813
2010-08-19

BLOCK COPOLYMER, AND POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING SAME

#72
20100196782
2010-08-05

POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED PRODUCT USING THE POLYMER ELECTROLYTE MATERIAL, AND METHOD FOR MANUFACTURING THE POLYMER ELECTROLYE MOLDED PRODUCT, MEMBRANE ELECTRODE COMPOSITE, AND SOLID POLYMER FUEL CELL

#73
20100168346
2010-07-01

Sulfonated Poly (Arylene Ether) Containing Crosslinkable Moiety at End Group, Method of Manufacturing the Same, and Polymer Electrolyte Membrane Using the Sulfonated Poly (Arylene Ether) and the Method

#74
20100167161
2010-07-01

Electrode electrolyte for polymer-type fuel cell, and use thereof

#75
20100166966
2010-07-01

Sulfonated polyether ether ketone ketone, film utilizing the same, and method for manufacturing the same

#76
20100152308
2010-06-17

Aromatic compound and polyarylene copolymer having nitrogen-containing heterocycle including sulfonic acid group in side chain

#77
20100081033
2010-04-01

Polymer electrolyte and fuel cell employing the same

#78
20090280384
2009-11-12

Polymer and membrane-electrode assembly for fuel cell, and fuel cell system including the same

#79
20090278073
2009-11-12

POLYMERIC MEA FOR FUEL CELL

#80
20090239125
2009-09-24

Sulfonated polymer composition for forming fuel cell electrodes

#81
20090233146
2009-09-17

Sulfonated poly(arylene ether) having crosslinkable moiety combined in chain of polymer, sulfonated poly(arylene ether) having crosslinkable moieties combined in polymer and at polymer end group, and polymer electrolyte membrane using sulfonated poly(arylene ether)

#82
20090208806
2009-08-20

Method for producing polymer electrolyte molded article, polymer electrolyte material, polymer electrolyte membrane, and polymer electrolyte fuel cell

#83
20090162724
2009-06-25

ION CONDUCTING COPOLYMERS WITH ELASTOMERIC AND POLYARYLENE SEGMENTS

#84
20090134360
2009-05-28

Electrode catalyst layer

#85
20090099331
2009-04-16

Synthesis and characterization of a novel proton exchange membrane (PEM) for applications in fuel cells

#86
20090075147
2009-03-19

Sulfonic acid group-containing polymer, method for producing the same, resin composition containing such sulfonic acid group-containing polymer, polymer electrolyte membrane, polymer electrolyte membrane/electrode assembly, and fuel cell

#87
20080286629
2008-11-20

CHEMICALLY CROSS LINKED IONOMER MEMBRANE

#88
20080286626
2008-11-20

BIS(ARYL)SULFONIMIDE FUNCTIONALIZED ION CONDUCTING POLYMERS

#89
20080233452
2008-09-25

Polyelectrolyte material, method for producing polyelectrolyte material, polyelectrolyte component, fuel cell, and method for producing fuel cell

#90
20080114149
2008-05-15

Polymers comprising superacidic groups, and uses thereof

#91
20070292730
2007-12-20

Multiblock Copolymers Containing Hydrophilic Hydrophobic Segments for Proton Exchange Membrane

#92
20070196734
2007-08-23

Ion-conducting polymers and membranes comprising them

#93
20070196721
2007-08-23

Crosslinkable sulfonated copolymer and fuel cell including polymeric composition of the same

#94
20070117962
2007-05-24

High heat polyethersulfone compositions

#95
20070100131
2007-05-03

Benzimidazole-containing sulfonated polyethersulfones

#96
20070082247
2007-04-12

Ion-conducting crosslinked copolymer and fuel cell comprising the same

#97
20070031699
2007-02-08

Charge-transporting compound, charge-transporting material, charge-transporting varnish, charge-transporting thin film, and organic electroluminescent device

#98
20070010631
2007-01-11

Sulfonated aromatic polyethers, process for production thereof, and electrolyte membranes

#99
20060275638
2006-12-07

Ion conductive copolymers containing ion-conducting oligomers

#100
20060258836
2006-11-16

Aromatic nitrile containing ion-conducting sulfonated polymeric material

#101
20060166048
2006-07-27

Polyarylene ether compound containing sulfonic acid group, composition containing same, and method for manufacturing those

#102
20060160960
2006-07-20

Sulphonated multiblock copolymer and electrolyte membrane using the same

#103
20060135657
2006-06-22

Ion conductive block copolymers

#104
20060134494
2006-06-22

Branched and sulphonated multi block copolymer and electrolyte membrane using the same

#105
20060127727
2006-06-15

Polymer electrolyte and fuel cell employing the same

#106
20060115695
2006-06-01

Bisphenol compound and aromatic polyaryl ether

#107
20060041100
2006-02-23

Ion-conductive copolymers containing one or more ion-conducting oligomers

#108
20060036064
2006-02-16

Sulfonated polymer composition for forming fuel cell electrodes

#109
20060004177
2006-01-05

Synthesis of poly(arylene)s copolymers containing pendant sulfonic acid groups bonded to naphthalene as proton exchange membrane materials

#110
20050282053
2005-12-22

Composite electrolyte with crosslinking agents

#111
20050272905
2005-12-08

Poly(aralkyl ketone)s and methods of preparing the same

#112
20050048341
2005-03-03

Composite electrolyte with crosslinking agents

#113
20050010015
2005-01-13

Controlled crosslinked polyaryletherketone material with improved properties and a process by producing the same