Films, membranes, or diaphragms

Industry

CPC
C08J5/22

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

CCHEMISTRY METALLURGY C08Organic compounds C08JWORKING-UP GENERAL PROCESSES OF COMPOUNDING AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G C08J5/00Manufacture of articles or shaped materials containing macromolecular substances

Current Industry

C08J5/22Films, membranes, or diaphragms

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Surface modified membranes
- Patent number 12,251,693
- Issue date Mar 18, 2025
- Fujifilm Manufacturing Europe B.V.
- Abdulsalam Alhadidi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite particles and ion exchange membrane
- Patent number 12,246,313
- Issue date Mar 11, 2025
- AGC Inc.
- Yasushi Yamaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition for fuel cell membranes and a process for the preparati...
- Patent number 12,237,552
- Issue date Feb 25, 2025
- Council of Scientific and Industrial Research
- Kadhiravan Shanmuganathan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polybenzimidazole films
- Patent number 12,227,627
- Issue date Feb 18, 2025
- University of South Carolina
- Laura A. Murdock
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Fluorinated-aliphatic hydrocarbon based stable anion-exchange membr...
- Patent number 12,227,626
- Issue date Feb 18, 2025
- Council of Scientific and Industrial Research
- Geetanjali Shukla
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermally stable hydrocarbon-based anion exchange membrane and iono...
- Patent number 12,220,691
- Issue date Feb 11, 2025
- Rensselaer Polytechnic Institute
- Sangwoo Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Flexible polymer electrolyte
- Patent number 12,195,601
- Issue date Jan 14, 2025
- Solvay Specialty Polymers Italy S.p.A.
- Julio A. Abusleme
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorosulfonyl group-containing compound, fluorosulfonyl group-cont...
- Patent number 12,187,821
- Issue date Jan 7, 2025
- AGC Inc.
- Takeshi Hirai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Anion exchange ionomer with a poyarylene backbone and anion exchang...
- Patent number 12,180,346
- Issue date Dec 31, 2024
- Bamdad Bahar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ion-exchange membranes, filters, and methods
- Patent number 12,179,188
- Issue date Dec 31, 2024
- Entegris, Inc.
- Maybelle Woo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolyesters derived from aliphatic glycols, aromatic dicarboxylic...
- Patent number 12,180,333
- Issue date Dec 31, 2024
- Mylar Specialty Films U.S. Limited Partnership
- Stephen Jones
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion exchange membrane through UV initiation polymerization
- Patent number 12,163,001
- Issue date Dec 10, 2024
- Evoqua Water Technologies LLC
- George Gu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Composite ion exchange membranes and methods of making the same
- Patent number 12,152,117
- Issue date Nov 26, 2024
- Ohmium International, Inc.
- Chockkalingam Karuppaiah
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Multilayered ion exchange membranes
- Patent number 12,145,141
- Issue date Nov 19, 2024
- FFI Ionix IP, Inc.
- Bamdad Bahar
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Monolayer, composite, gas separation material, filter, gas separati...
- Patent number 12,128,366
- Issue date Oct 29, 2024
- JCCL, INC.
- Yu Hoshino
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Chemically modified anion exchange membrane
- Patent number 12,104,030
- Issue date Oct 1, 2024
- DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATION
- Chang Hyun Lee
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polymer, method for producing polymer, and method for producing mem...
- Patent number 12,098,226
- Issue date Sep 24, 2024
- AGC Inc.
- Takeshi Hirai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite ion exchange membranes and methods of making the same
- Patent number 12,091,518
- Issue date Sep 17, 2024
- Ohmium International, Inc.
- Chockkalingam Karuppaiah
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Cross-linked high stable anion exchange blend membranes with polyet...
- Patent number 12,083,511
- Issue date Sep 10, 2024
- Jochen Kerres
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Polyphenylenes, methods, and uses thereof
- Patent number 12,084,554
- Issue date Sep 10, 2024
- Simon Fraser University
- Steven Holdcroft
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Cation-exchange membrane, electrolyzer, and method for producing ca...
- Patent number 12,053,770
- Issue date Aug 6, 2024
- Asahi Kasei Kabushiki Kaisha
- Kenji Nakagawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolyte membrane for membrane-electrode assembly comprising fil...
- Patent number 12,051,836
- Issue date Jul 30, 2024
- Hyundai Motor Company
- Il Seok Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anion-exchange membranes and methods of making and using the same
- Patent number 12,030,981
- Issue date Jul 9, 2024
- Georgia Tech Research Corporation
- Paul A. Kohl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Phosphate anion-quaternary ammonium ion pair coordinated polymer me...
- Patent number 12,027,731
- Issue date Jul 2, 2024
- Rensselaer Polytechnic Institute
- Chulsung Bae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion exchange membrane suitable for redox flow battery
- Patent number 12,021,284
- Issue date Jun 25, 2024
- AGC Inc.
- Yasushi Yamaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of making anion exchange membrane via simultaneous post-fun...
- Patent number 11,987,681
- Issue date May 21, 2024
- Rensselaer Polytechnic Institute
- Chulsung Bae
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Elastic sulfonated styrene diene block copolymers
- Patent number 11,987,679
- Issue date May 21, 2024
- Rensselaer Polytechnic Institute
- Chulsung Bae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite ion exchange membrane and method of making same
- Patent number 11,987,680
- Issue date May 21, 2024
- Bamdad Bahar
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing fluorinated polymer and method for producing f...
- Patent number 11,987,656
- Issue date May 21, 2024
- AGC Inc.
- Susumu Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anion exchange polymers and membranes for electrolysis
- Patent number 11,980,879
- Issue date May 14, 2024
- UOP LLC
- Chaoyi Ba
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BRANCH-CONTAINING POLY(ARYL PIPERIDINIUM) COPOLYMER IONOMER, ANION...
- Publication number 20250092187
- Publication date Mar 20, 2025
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Young Moo LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITE ION EXCHANGE MEMBRANES AND METHODS OF MAKING THE SAME
- Publication number 20250084226
- Publication date Mar 13, 2025
- Ohmium International, Inc.
- Chockkalingam Karuppaiah
- B32 - LAYERED PRODUCTS
Information Patent Application
DIETHYLAMINO ETHYL POLYMERS AND METHODS OF USE
- Publication number 20250073647
- Publication date Mar 6, 2025
- Cytiva US LLC
- James Belmont
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
WATER-RETAINING MATERIAL, WATER-RETAINING PROTON EXCHANGE MEMBRANE,...
- Publication number 20250075020
- Publication date Mar 6, 2025
- SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Jiexin ZOU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MULTILAYERED ION EXCHANGE MEMBRANES
- Publication number 20250073696
- Publication date Mar 6, 2025
- Bamdad Bahar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Ion-Conducting Membranes
- Publication number 20250066521
- Publication date Feb 27, 2025
- GREENLYZER US, INC.
- Rich Masel
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CROSS-LINKABLE ION EXCHANGE POLYMERS, MEMBRANES AND IONOMERS
- Publication number 20250066527
- Publication date Feb 27, 2025
- UChicago Argonne, LLC
- Meltem Urgun-Demirtas
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PARTICLE COMPOSITION, FILM, OPTICAL LENS, DIFFRACTIVE OPTICAL ELEME...
- Publication number 20250026888
- Publication date Jan 23, 2025
- TORAY INDUSTRIES, INC.
- Hiroyoshi HAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LAYERED BIMETALLIC HYDROXIDE-BASED HYDROGEL BIPOLAR MEMBRANE AND ME...
- Publication number 20250025841
- Publication date Jan 23, 2025
- Tongji University
- Zhiwei Wang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
RESIN COMPOSITION, FILM, METHOD FOR PRODUCING FILM, AND LAMINATE
- Publication number 20250011569
- Publication date Jan 9, 2025
- MITSUBISHI CHEMICAL CORPORATION
- Junichi ABE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MONOLAYER, COMPOSITE, GAS SEPARATION MATERIAL, FILTER, GAS SEPARATI...
- Publication number 20250010248
- Publication date Jan 9, 2025
- JCCL, INC.
- Yu HOSHINO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COPOLYMER, SURFACTANT, RESIN COMPOSITION, AND HEAT DISSIPATION SHEET
- Publication number 20250002630
- Publication date Jan 2, 2025
- DENKA COMPANY LIMITED
- Kosuke WADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
IONIC POLYMERS CONTAINING SPIRO STRUCTURE AND PREPARATION METHOD AN...
- Publication number 20240392061
- Publication date Nov 28, 2024
- HEFEI UNIVERSITY OF TECHNOLOGY
- Haibing WEI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITE ION EXCHANGE MEMBRANE AND METHOD OF MAKING SAME
- Publication number 20240368363
- Publication date Nov 7, 2024
- USA Fortescue IP, INC.
- Bamdad Bahar
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NOVEL ALIPHATIC CHAIN-CONTAINING POLY(ALKYL-ARYL PIPERIDINIUM) POLY...
- Publication number 20240363879
- Publication date Oct 31, 2024
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Young Moo LEE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYTE MEMBRANE FOR MEMBRANE-ELECTRODE ASSEMBLY COMPRISING FIL...
- Publication number 20240356053
- Publication date Oct 24, 2024
- Hyundai Motor Company
- Il Seok Chae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A Membrane and a Method of Making the Same
- Publication number 20240352208
- Publication date Oct 24, 2024
- Agency for Science, Technology and Research
- Simin Shermin Goh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR MANUFACTURING GAS DIFFUSION LAYER FOR FUEL CELL AND GAS...
- Publication number 20240327583
- Publication date Oct 3, 2024
- TOYOTA BOSHOKU KABUSHIKI KAISHA
- Junko OHIRA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FABRICATION OF REINFORCED ANION EXCHANGE MEMBRANES
- Publication number 20240317952
- Publication date Sep 26, 2024
- HYDROLITE LTD
- Charly David AZRA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR RECOVERING IONOMER AND CATALYST FROM MEMBRANE ELECTRODE...
- Publication number 20240317961
- Publication date Sep 26, 2024
- DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATION
- Chang Hyun LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANION-EXCHANGE MEMBRANES AND METHODS OF MAKING AND USING THE SAME
- Publication number 20240317931
- Publication date Sep 26, 2024
- Georgia Tech Research Corporation
- Paul A. Kohl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NOVEL POLYFLUORENE-BASED CROSS-LINKED COPOLYMER, METHOD FOR PRODUCI...
- Publication number 20240317951
- Publication date Sep 26, 2024
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Young Moo LEE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ION-EXCHANGE MEMBRANES, FILTERS, AND METHODS
- Publication number 20240307864
- Publication date Sep 19, 2024
- Entegris, Inc.
- Maybelle WOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYMERIC ANION-CONDUCTING COMPOUND, ITS PREPARATION AND ITS USE IN...
- Publication number 20240301153
- Publication date Sep 12, 2024
- Evonik Operations GmbH
- Artjom Maljusch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATION EXCHANGE MEMBRANE FOR FUEL CELL WITH PEDOT INTRODUCED INTO H...
- Publication number 20240297322
- Publication date Sep 5, 2024
- Research & Business Foundation Sungkyunkwan University
- Dukjoon KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
THERMALLY STABLE HYDROCARBON-BASED ANION EXCHANGE MEMBRANE AND IONO...
- Publication number 20240286123
- Publication date Aug 29, 2024
- Rensselaer Polytechnic Institute
- Sangwoo LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ANION EXCHANGE POLYMERS AND ANION EXCHANGE MEMBRANES INCORPORATING...
- Publication number 20240286090
- Publication date Aug 29, 2024
- Bamdad Bahar
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SYNTHESIS OF POLY(PHENYLENE) COMPOUND INTERGRATED WITH FUNCTIONALIZ...
- Publication number 20240287269
- Publication date Aug 29, 2024
- Qiuying Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RESIN COMPOSITION, RESIN COMPOSITION PRODUCTION METHOD, AND ELECTRO...
- Publication number 20240279376
- Publication date Aug 22, 2024
- National Institutes for Quantum Science and Technology
- Kimio YOSHIMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELASTIC SULFONATED STYRENE DIENE BLOCK COPOLYMERS
- Publication number 20240279413
- Publication date Aug 22, 2024
- Rensselaer Polytechnic Institute
- Chulsung BAE
- H01 - BASIC ELECTRIC ELEMENTS

Films, membranes, or diaphragms

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Surface modified membranes

Composite particles and ion exchange membrane

Composition for fuel cell membranes and a process for the preparati...

Polybenzimidazole films

Fluorinated-aliphatic hydrocarbon based stable anion-exchange membr...

Thermally stable hydrocarbon-based anion exchange membrane and iono...

Flexible polymer electrolyte

Fluorosulfonyl group-containing compound, fluorosulfonyl group-cont...

Anion exchange ionomer with a poyarylene backbone and anion exchang...

Ion-exchange membranes, filters, and methods

Copolyesters derived from aliphatic glycols, aromatic dicarboxylic...

Ion exchange membrane through UV initiation polymerization

Composite ion exchange membranes and methods of making the same

Multilayered ion exchange membranes

Monolayer, composite, gas separation material, filter, gas separati...

Chemically modified anion exchange membrane

Polymer, method for producing polymer, and method for producing mem...

Composite ion exchange membranes and methods of making the same

Cross-linked high stable anion exchange blend membranes with polyet...

Polyphenylenes, methods, and uses thereof

Cation-exchange membrane, electrolyzer, and method for producing ca...

Electrolyte membrane for membrane-electrode assembly comprising fil...

Anion-exchange membranes and methods of making and using the same

Phosphate anion-quaternary ammonium ion pair coordinated polymer me...

Ion exchange membrane suitable for redox flow battery

Methods of making anion exchange membrane via simultaneous post-fun...

Elastic sulfonated styrene diene block copolymers

Composite ion exchange membrane and method of making same

Method for producing fluorinated polymer and method for producing f...

Anion exchange polymers and membranes for electrolysis

Patents Applicationslast 30 patents

BRANCH-CONTAINING POLY(ARYL PIPERIDINIUM) COPOLYMER IONOMER, ANION...

COMPOSITE ION EXCHANGE MEMBRANES AND METHODS OF MAKING THE SAME

DIETHYLAMINO ETHYL POLYMERS AND METHODS OF USE

WATER-RETAINING MATERIAL, WATER-RETAINING PROTON EXCHANGE MEMBRANE,...

MULTILAYERED ION EXCHANGE MEMBRANES

Ion-Conducting Membranes

CROSS-LINKABLE ION EXCHANGE POLYMERS, MEMBRANES AND IONOMERS

PARTICLE COMPOSITION, FILM, OPTICAL LENS, DIFFRACTIVE OPTICAL ELEME...

LAYERED BIMETALLIC HYDROXIDE-BASED HYDROGEL BIPOLAR MEMBRANE AND ME...

RESIN COMPOSITION, FILM, METHOD FOR PRODUCING FILM, AND LAMINATE

MONOLAYER, COMPOSITE, GAS SEPARATION MATERIAL, FILTER, GAS SEPARATI...

COPOLYMER, SURFACTANT, RESIN COMPOSITION, AND HEAT DISSIPATION SHEET

IONIC POLYMERS CONTAINING SPIRO STRUCTURE AND PREPARATION METHOD AN...

COMPOSITE ION EXCHANGE MEMBRANE AND METHOD OF MAKING SAME

NOVEL ALIPHATIC CHAIN-CONTAINING POLY(ALKYL-ARYL PIPERIDINIUM) POLY...

ELECTROLYTE MEMBRANE FOR MEMBRANE-ELECTRODE ASSEMBLY COMPRISING FIL...

A Membrane and a Method of Making the Same

METHOD FOR MANUFACTURING GAS DIFFUSION LAYER FOR FUEL CELL AND GAS...

FABRICATION OF REINFORCED ANION EXCHANGE MEMBRANES

METHOD FOR RECOVERING IONOMER AND CATALYST FROM MEMBRANE ELECTRODE...

ANION-EXCHANGE MEMBRANES AND METHODS OF MAKING AND USING THE SAME

NOVEL POLYFLUORENE-BASED CROSS-LINKED COPOLYMER, METHOD FOR PRODUCI...

ION-EXCHANGE MEMBRANES, FILTERS, AND METHODS

POLYMERIC ANION-CONDUCTING COMPOUND, ITS PREPARATION AND ITS USE IN...

CATION EXCHANGE MEMBRANE FOR FUEL CELL WITH PEDOT INTRODUCED INTO H...

THERMALLY STABLE HYDROCARBON-BASED ANION EXCHANGE MEMBRANE AND IONO...

ANION EXCHANGE POLYMERS AND ANION EXCHANGE MEMBRANES INCORPORATING...

SYNTHESIS OF POLY(PHENYLENE) COMPOUND INTERGRATED WITH FUNCTIONALIZ...

RESIN COMPOSITION, RESIN COMPOSITION PRODUCTION METHOD, AND ELECTRO...

ELASTIC SULFONATED STYRENE DIENE BLOCK COPOLYMERS