Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only Polysulfones Derivatives of such polymers

Industry

CPC
C08J2381/00

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

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Plasma ion processing of substrates
- Patent number 12,237,150
- Issue date Feb 25, 2025
- LIFEHOUSE AUSTRALIA AS TRUSTEE FOR THE LIFEHOUSE AUSTRALIA TRUST
- David R. McKenzie
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Optically clear resin composition, flexible optical film and image...
- Patent number 12,221,515
- Issue date Feb 11, 2025
- ARES MATERIALS INC.
- Kejia Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compositions and methods for improving polymer flow rate
- Patent number 12,173,138
- Issue date Dec 24, 2024
- Inovia Materials (Hangzhou) Co. Ltd
- Jeff Xu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High-rigidity and high-heat resistance thermoplastic composite mate...
- Patent number 12,173,154
- Issue date Dec 24, 2024
- KOLON SPACEWORKS CO., LTD.
- Jun Youp Kim
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Porous hollow fiber membrane
- Patent number 12,172,133
- Issue date Dec 24, 2024
- Toray Industries, Inc.
- Akihiro Hayashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Facile assembly of soft nanoarchitectures and co-loading of hydroph...
- Patent number 12,162,997
- Issue date Dec 10, 2024
- Northwestern University
- Evan A. Scott
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dodecyl sulfate-doped poly(3,4-ethylenedioxythiophene) film and man...
- Patent number 12,162,999
- Issue date Dec 10, 2024
- FLEXOLUTION
- Jung Won Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High selectivity polyimide/PES blend hollow fiber membrane for gas...
- Patent number 12,157,087
- Issue date Dec 3, 2024
- UOP LLC
- Chunqing Liu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for underwater processing of water-dispersible materials
- Patent number 12,157,800
- Issue date Dec 3, 2024
- Stratasys, Inc.
- William R. Priedeman
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Functionalized poly(aryl ether sulfones) copolymers
- Patent number 12,157,797
- Issue date Dec 3, 2024
- Solvay Specialty Polymers USA, LLC
- Kamlesh Nair
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Seawater desalination reverse osmosis membrane with both water flux...
- Patent number 12,157,092
- Issue date Dec 3, 2024
- CHINA AGRICULTURAL UNIVERSITY
- Changwei Zhao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer film and laminate
- Patent number 12,152,116
- Issue date Nov 26, 2024
- FUJIFILM Corporation
- Yasuyuki Sasada
- B32 - LAYERED PRODUCTS
Information Patent Grant
Vibrating diaphragm of sound-producing apparatus and sound-producin...
- Patent number 12,143,791
- Issue date Nov 12, 2024
- GOERTEK INC.
- Weifeng Peng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Click chemistry for sealants and adhesives
- Patent number 12,129,347
- Issue date Oct 29, 2024
- Chem Link, Inc.
- Baljinder Kaur
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for separating mixtures of solids
- Patent number 12,036,563
- Issue date Jul 16, 2024
- Solvay Specialty Polymers USA, LLC
- Matthew Booher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Composite semipermeable membrane and method for manufacturing same
- Patent number 12,012,493
- Issue date Jun 18, 2024
- Nitto Denko Corporation
- Toshiyuki Kawashima
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Activating surfaces for subsequent bonding
- Patent number 11,926,768
- Issue date Mar 12, 2024
- Henkel AG & Co. KGaA
- Brian Deegan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Reinforcing material and resin molded article
- Patent number 11,898,017
- Issue date Feb 13, 2024
- Nippon Sheet Glass Company, Limited
- Masanori Otani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Sintered polymeric particles for porous structures
- Patent number 11,879,047
- Issue date Jan 23, 2024
- Ticona LLC
- Erman Senoz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Porous membrane and filter cartridge
- Patent number 11,819,807
- Issue date Nov 21, 2023
- FUJIFILM Corporation
- Akihiro Ishii
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Prepreg, method for producing same, and method for producing fiber-...
- Patent number 11,820,858
- Issue date Nov 21, 2023
- Teijin Limited
- Akimichi Oda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High selectivity polyimide/PES blend hollow fiber membrane for gas...
- Patent number 11,786,861
- Issue date Oct 17, 2023
- UOP LLC
- Chunqing Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Activating surfaces for subsequent bonding
- Patent number 11,787,911
- Issue date Oct 17, 2023
- Henkel AG & Co. KGaA
- Brian Deegan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Functionalized poly(diallylpiperidinium) and its copolymers for use...
- Patent number 11,745,148
- Issue date Sep 5, 2023
- Colorado School of Mines
- Daniel M. Knauss
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods for making recyclable and depolymerizable polymer network m...
- Patent number 11,702,501
- Issue date Jul 18, 2023
- Northwestern University
- John M. Torkelson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Click chemistry for sealants and adhesives
- Patent number 11,702,515
- Issue date Jul 18, 2023
- Chem Link, Inc.
- Baljinder Kaur
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Molded article and production method therefor
- Patent number 11,697,274
- Issue date Jul 11, 2023
- Toray Industries, Inc.
- Yoshiki Takebe
- B32 - LAYERED PRODUCTS
Information Patent Grant
Single-ion polymer electrolyte molecular design
- Patent number 11,682,793
- Issue date Jun 20, 2023
- Ford Global Technologies LLC
- Zijie Lu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Activating surfaces for subsequent bonding
- Patent number 11,661,487
- Issue date May 30, 2023
- Henkel AG & Co. KGaA
- Brian Deegan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Grafted polysulfone membranes
- Patent number 11,618,016
- Issue date Apr 4, 2023
- Entegris, Inc.
- Jad Ali Jaber
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
A Separator for an Electrolytic Cell
- Publication number 20250051942
- Publication date Feb 13, 2025
- AGFA-GEVAERT N.V.
- Hanne Verwaest
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
MICROPOROUS MATERIAL AND SYSTEMS AND METHODS FOR MAKING THE SAME
- Publication number 20250051535
- Publication date Feb 13, 2025
- Richard McDonogh
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
METHOD OF SEPARATING POLYARYLENE SULFIDE AND METHOD OF PRODUCING PO...
- Publication number 20250011563
- Publication date Jan 9, 2025
- TORAY INDUSTRIES, INC.
- Yuji Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
HIGH-POWER BIDIRECTIONAL-DRIVEN BIONIC MUSCLE FIBER AS WELL AS PREP...
- Publication number 20250011977
- Publication date Jan 9, 2025
- SUZHOU INSTITUTE OF NANO-TECH AND NANO-BIONICS (SINANO) , CHINESE ACADEMY OF...
- Jiangtao DI
- D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
Information Patent Application
METHOD FOR PREPARING A NOVEL GUANIDINE-BASED COMPOSITE NANOFILTRATI...
- Publication number 20240408552
- Publication date Dec 12, 2024
- Tongji University
- Qiaoying WANG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
MULTIMERIC DYE MATERIALS AND DEVICES USING THEM
- Publication number 20240400834
- Publication date Dec 5, 2024
- Flexterra, Inc.
- Antonio Facchetti
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYARYLENE SULFIDE COMPOSITION AND METHOD FOR PRODUCING SAME
- Publication number 20240400826
- Publication date Dec 5, 2024
- TOSOH CORPORATION
- Takeshi HARUNARI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYARYLENE SULFIDE RESIN COMPOSITION AND MOLDED ARTICLE
- Publication number 20240384046
- Publication date Nov 21, 2024
- TORAY INDUSTRIES, INC.
- Koki Fukuyasu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RESIN COMPOSITION FOR MOLDING, AND METHOD FOR MANUFACTURING MOLDED...
- Publication number 20240384098
- Publication date Nov 21, 2024
- Hyundai Motor Company
- Hyeong Won Park
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF PRODUCING GLASS FIBER-REINFORCED RECYCLED POLYPHENYLENE S...
- Publication number 20240343905
- Publication date Oct 17, 2024
- TORAY INDUSTRIES, INC.
- Yuji Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FLUORINE-FREE HYDROPHOBIC PERMEABLE MATERIAL
- Publication number 20240327598
- Publication date Oct 3, 2024
- Donaldson Company, Inc.
- Stephen K. Sontag
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
FERRULE AND METHOD FOR MANUFACTURING FERRULE
- Publication number 20240231012
- Publication date Jul 11, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Masayoshi TSUKAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOSITIONS AND PROCESSES FOR THE PRODUCTION OF SUB-MICRON POLYMER...
- Publication number 20240199875
- Publication date Jun 20, 2024
- SOLVAY SPECIALTY POLYMERS USA, LLC
- Kelly D. Branham
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYPHENYLENE SULFIDE RESIN COMPOSITION AND METHOD OF PRODUCING SAME
- Publication number 20240174858
- Publication date May 30, 2024
- TORAY INDUSTRIES, INC.
- Hisashi Yamanoue
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SULFOBETAINE-MODIFIED POLYURETHANE OR POLYUREA FOAM
- Publication number 20240174831
- Publication date May 30, 2024
- 3M Innovative Properties Company
- Tony R. Carrozzella
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PARTICLE-CONTAINING RESIN COMPOSITION AND MOLDED PRODUCT
- Publication number 20240174834
- Publication date May 30, 2024
- DIC CORPORATION
- Akihiro Koike
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FERRULE AND METHOD FOR MANUFACTURING FERRULE
- Publication number 20240134130
- Publication date Apr 25, 2024
- FURUKAWA ELECTRIC CO., LTD.
- Masayoshi TSUKAMOTO
- G02 - OPTICS
Information Patent Application
HIGHLY FILLER-FILLED HIGHLY THERMALLY-CONDUCTIVE THIN SHEET HAVING...
- Publication number 20240117126
- Publication date Apr 11, 2024
- TAKAGI CHEMICALS, INC.
- Noriaki TAKAGI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymer Films
- Publication number 20240117133
- Publication date Apr 11, 2024
- FUJIFILM Manufacturing Europe B.V.
- Jacko Hessing
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
VIBRATING DIAPHRAGM OF SOUND-PRODUCING APPARATUS AND SOUND-PRODUCIN...
- Publication number 20240114291
- Publication date Apr 4, 2024
- Goertek Inc.
- WEIFENG PENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR FABRICATING MICROPARTICLE BY USING DEGASSED GAS-PERMEABL...
- Publication number 20240091991
- Publication date Mar 21, 2024
- Korea University Research and Business Foundation
- Ki Wan BONG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POROUS FILM
- Publication number 20240084091
- Publication date Mar 14, 2024
- Tokyo Ohka Kogyo Co., Ltd.
- Takaaki MORITA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
RESIN MATRIX COMPOSITION, PREPREG, CARBON FIBER COMPOSITE MATERIAL...
- Publication number 20240084069
- Publication date Mar 14, 2024
- Formosa Plastics Corporation
- Yu-Cheng HSU
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
CROSSLINKED POLYARYLENE SULFIDE, COMPOSITION, AND METHOD FOR PRODUC...
- Publication number 20240059841
- Publication date Feb 22, 2024
- DIC CORPORATION
- Chikara Funahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LAMINATE, METHOD FOR PRODUCING SAME AND PREPREG
- Publication number 20240051281
- Publication date Feb 15, 2024
- TORAY INDUSTRIES, INC.
- Yuki Sado
- B32 - LAYERED PRODUCTS
Information Patent Application
CROSSLINKED POLYARYLENE SULFIDE, COMPOSITION, AND METHOD FOR PRODUC...
- Publication number 20240043621
- Publication date Feb 8, 2024
- DIC CORPORATION
- Chikara Funahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
SHAPE MEMORY POLY(ß-HYDROXYTHIOETHER) FOAMS RAPIDLY PRODUCED FROM M...
- Publication number 20240025768
- Publication date Jan 25, 2024
- Ohio University
- Andrew Weems
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HIGH SELECTIVITY POLYIMIDE/PES BLEND HOLLOW FIBER MEMBRANE FOR GAS...
- Publication number 20230415095
- Publication date Dec 28, 2023
- UOP LLC
- Chunqing Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only Polysulfones Derivatives of such polymers

Industry

Parent Industries

Current Industry

Sub Industries

Patents Grantslast 30 patents

Plasma ion processing of substrates

Optically clear resin composition, flexible optical film and image...

Compositions and methods for improving polymer flow rate

High-rigidity and high-heat resistance thermoplastic composite mate...

Porous hollow fiber membrane

Facile assembly of soft nanoarchitectures and co-loading of hydroph...

Dodecyl sulfate-doped poly(3,4-ethylenedioxythiophene) film and man...

High selectivity polyimide/PES blend hollow fiber membrane for gas...

Method for underwater processing of water-dispersible materials

Functionalized poly(aryl ether sulfones) copolymers

Seawater desalination reverse osmosis membrane with both water flux...

Polymer film and laminate

Vibrating diaphragm of sound-producing apparatus and sound-producin...

Click chemistry for sealants and adhesives

Process for separating mixtures of solids

Composite semipermeable membrane and method for manufacturing same

Activating surfaces for subsequent bonding

Reinforcing material and resin molded article

Sintered polymeric particles for porous structures

Porous membrane and filter cartridge

Prepreg, method for producing same, and method for producing fiber-...

High selectivity polyimide/PES blend hollow fiber membrane for gas...

Activating surfaces for subsequent bonding

Functionalized poly(diallylpiperidinium) and its copolymers for use...

Methods for making recyclable and depolymerizable polymer network m...

Click chemistry for sealants and adhesives

Molded article and production method therefor

Single-ion polymer electrolyte molecular design

Activating surfaces for subsequent bonding

Grafted polysulfone membranes

Patents Applicationslast 30 patents

A Separator for an Electrolytic Cell

MICROPOROUS MATERIAL AND SYSTEMS AND METHODS FOR MAKING THE SAME

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

METHOD OF SEPARATING POLYARYLENE SULFIDE AND METHOD OF PRODUCING PO...

HIGH-POWER BIDIRECTIONAL-DRIVEN BIONIC MUSCLE FIBER AS WELL AS PREP...

METHOD FOR PREPARING A NOVEL GUANIDINE-BASED COMPOSITE NANOFILTRATI...

MULTIMERIC DYE MATERIALS AND DEVICES USING THEM

POLYARYLENE SULFIDE COMPOSITION AND METHOD FOR PRODUCING SAME

POLYARYLENE SULFIDE RESIN COMPOSITION AND MOLDED ARTICLE

RESIN COMPOSITION FOR MOLDING, AND METHOD FOR MANUFACTURING MOLDED...

METHOD OF PRODUCING GLASS FIBER-REINFORCED RECYCLED POLYPHENYLENE S...

FLUORINE-FREE HYDROPHOBIC PERMEABLE MATERIAL

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

FERRULE AND METHOD FOR MANUFACTURING FERRULE

COMPOSITIONS AND PROCESSES FOR THE PRODUCTION OF SUB-MICRON POLYMER...

POLYPHENYLENE SULFIDE RESIN COMPOSITION AND METHOD OF PRODUCING SAME

SULFOBETAINE-MODIFIED POLYURETHANE OR POLYUREA FOAM

PARTICLE-CONTAINING RESIN COMPOSITION AND MOLDED PRODUCT

FERRULE AND METHOD FOR MANUFACTURING FERRULE

HIGHLY FILLER-FILLED HIGHLY THERMALLY-CONDUCTIVE THIN SHEET HAVING...

Polymer Films

VIBRATING DIAPHRAGM OF SOUND-PRODUCING APPARATUS AND SOUND-PRODUCIN...

METHOD FOR FABRICATING MICROPARTICLE BY USING DEGASSED GAS-PERMEABL...

POROUS FILM

RESIN MATRIX COMPOSITION, PREPREG, CARBON FIBER COMPOSITE MATERIAL...

CROSSLINKED POLYARYLENE SULFIDE, COMPOSITION, AND METHOD FOR PRODUC...

LAMINATE, METHOD FOR PRODUCING SAME AND PREPREG

CROSSLINKED POLYARYLENE SULFIDE, COMPOSITION, AND METHOD FOR PRODUC...

SHAPE MEMORY POLY(ß-HYDROXYTHIOETHER) FOAMS RAPIDLY PRODUCED FROM M...

HIGH SELECTIVITY POLYIMIDE/PES BLEND HOLLOW FIBER MEMBRANE FOR GAS...