ATE505260T1 - Halar-membrane - Google Patents

Halar-membrane

Info

Publication number
ATE505260T1
ATE505260T1 AT03739399T AT03739399T ATE505260T1 AT E505260 T1 ATE505260 T1 AT E505260T1 AT 03739399 T AT03739399 T AT 03739399T AT 03739399 T AT03739399 T AT 03739399T AT E505260 T1 ATE505260 T1 AT E505260T1
Authority
AT
Austria
Prior art keywords
agents
membranes
membrane
halar
solvents
Prior art date
Application number
AT03739399T
Other languages
English (en)
Inventor
Daniel Mullette
Heinz-Joachim Muller
Original Assignee
Siemens Water Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Water Tech Corp filed Critical Siemens Water Tech Corp
Application granted granted Critical
Publication of ATE505260T1 publication Critical patent/ATE505260T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0018—Thermally induced processes [TIPS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/18—Pore-control agents or pore formers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/219—Specific solvent system
    • B01D2323/22—Specific non-solvents or non-solvent system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0232—Dense layer on both outer sides of the membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/38—Hydrophobic membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AT03739399T 2002-02-12 2003-02-12 Halar-membrane ATE505260T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPS0466A AUPS046602A0 (en) 2002-02-12 2002-02-12 Halar membranes
PCT/AU2003/000179 WO2003068374A1 (en) 2002-02-12 2003-02-12 Halar membranes

Publications (1)

Publication Number Publication Date
ATE505260T1 true ATE505260T1 (de) 2011-04-15

Family

ID=3834067

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03739399T ATE505260T1 (de) 2002-02-12 2003-02-12 Halar-membrane

Country Status (12)

Country Link
EP (1) EP1474222B1 (de)
JP (1) JP4656839B2 (de)
KR (1) KR100991596B1 (de)
CN (1) CN100500272C (de)
AT (1) ATE505260T1 (de)
AU (1) AUPS046602A0 (de)
CA (2) CA2474625C (de)
DE (1) DE60336707D1 (de)
ES (1) ES2364041T3 (de)
MY (1) MY135608A (de)
NZ (1) NZ535133A (de)
WO (1) WO2003068374A1 (de)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2639642C (en) 1996-12-20 2013-01-15 Siemens Water Technologies Corp. Scouring method
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
US7247238B2 (en) 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
AUPS300602A0 (en) 2002-06-18 2002-07-11 U.S. Filter Wastewater Group, Inc. Methods of minimising the effect of integrity loss in hollow fibre membrane modules
JP4282598B2 (ja) 2002-10-10 2009-06-24 シーメンス・ウォーター・テクノロジーズ・コーポレーション 濾過装置及び該濾過装置を洗浄する方法
AU2003903507A0 (en) 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
JP4611982B2 (ja) 2003-08-29 2011-01-12 シーメンス・ウォーター・テクノロジーズ・コーポレーション 逆洗方法
WO2005037917A1 (en) * 2003-10-20 2005-04-28 Zenon Environmental Inc. System and method for synthesizing a polymer membrane
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
WO2005092799A1 (en) 2004-03-26 2005-10-06 U.S. Filter Wastewater Group, Inc. Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
AU2005259830C1 (en) * 2004-07-02 2011-07-21 Evoqua Water Technologies Llc Gas transfer membrane
JP2008504122A (ja) * 2004-07-02 2008-02-14 シーメンス・ウォーター・テクノロジーズ・コーポレーション 気体輸送膜
US8524794B2 (en) * 2004-07-05 2013-09-03 Siemens Industry, Inc. Hydrophilic membranes
JP4838248B2 (ja) 2004-09-07 2011-12-14 シーメンス・ウォーター・テクノロジーズ・コーポレーション 逆洗液体廃棄物の低減
US8506806B2 (en) 2004-09-14 2013-08-13 Siemens Industry, Inc. Methods and apparatus for removing solids from a membrane module
WO2006029465A1 (en) 2004-09-15 2006-03-23 Siemens Water Technologies Corp. Continuously variable aeration
JP2006088114A (ja) * 2004-09-27 2006-04-06 Asahi Kasei Chemicals Corp 親水性多孔膜
EP1835985B1 (de) 2004-12-24 2012-03-14 Siemens Industry, Inc. Reinigung in membranfiltrationssystemen
JP2008525167A (ja) 2004-12-24 2008-07-17 シーメンス・ウォーター・テクノロジーズ・コーポレーション 簡易ガス洗浄方法および当該技術分野の装置
ITMI20050474A1 (it) 2005-03-22 2006-09-23 Solvay Solexis Spa Polveri o manufatti aventi una idrofilicita'superficiale
KR20080005993A (ko) 2005-04-29 2008-01-15 지멘스 워터 테크놀로지스 코포레이션 막 필터의 화학 세정
SG164499A1 (en) 2005-08-22 2010-09-29 Siemens Water Tech Corp An assembly for water filtration using a tube manifold to minimise backwash
KR20080056236A (ko) * 2005-09-27 2008-06-20 지멘스 워터 테크놀로지스 코포레이션 여과 막의 세척을 위한 화학적 세척제 및 방법
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US8318028B2 (en) 2007-04-02 2012-11-27 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
KR20130135980A (ko) 2007-05-29 2013-12-11 지멘스 인더스트리 인코포레이티드 펄스형 공기리프트 펌프를 이용한 막 세정 방법 및 장치
CA2731774A1 (en) 2008-07-24 2010-01-28 Siemens Water Technologies Corp. Frame system for membrane filtration modules
JP2012521279A (ja) 2009-03-26 2012-09-13 ビーエル・テクノロジーズ・インコーポレイテッド 編んでない強化された中空糸膜
AU2010101488B4 (en) 2009-06-11 2013-05-02 Evoqua Water Technologies Llc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
WO2010148517A1 (en) 2009-06-26 2010-12-29 Asteia Technology Inc. Non-braided, textile-reinforced hollow fiber membrane
CA2769612C (en) * 2009-08-03 2018-02-06 Solvay Specialty Polymers Italy S.P.A. Process for the preparation of ethylene/chlorotrifluoroethylene polymer membranes
JP5531667B2 (ja) * 2010-02-22 2014-06-25 Ｎｏｋ株式会社 ポリフッ化ビニリデン多孔質膜の製造法
US9914097B2 (en) 2010-04-30 2018-03-13 Evoqua Water Technologies Llc Fluid flow distribution device
JP5636762B2 (ja) * 2010-06-22 2014-12-10 Nok株式会社 繊維強化多孔質膜の製造法
JP5636761B2 (ja) * 2010-06-22 2014-12-10 Nok株式会社 繊維強化ポリフッ化ビニリデン多孔質膜の製造法
RU2605251C2 (ru) 2010-09-15 2016-12-20 БиЭл Текнолоджиз, Инк. Способ изготовления армированных нитями половолоконных мембран вокруг растворимого сердечника
WO2012040412A1 (en) 2010-09-24 2012-03-29 Siemens Industry, Inc. Fluid control manifold for membrane filtration system
US8529814B2 (en) 2010-12-15 2013-09-10 General Electric Company Supported hollow fiber membrane
JP6270716B2 (ja) 2011-06-23 2018-01-31 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． 多孔質膜を製造する方法
CA2850522C (en) 2011-09-30 2021-03-16 Evoqua Water Technologies Llc Shut-off valve for isolation of hollow fiber membrane filtration module
US9604166B2 (en) 2011-09-30 2017-03-28 Evoqua Water Technologies Llc Manifold arrangement
KR101284405B1 (ko) * 2011-10-28 2013-07-09 웅진케미칼 주식회사 다공성 금속 중공사 여과재의 제조방법
US9321014B2 (en) 2011-12-16 2016-04-26 Bl Technologies, Inc. Hollow fiber membrane with compatible reinforcements
US9643129B2 (en) 2011-12-22 2017-05-09 Bl Technologies, Inc. Non-braided, textile-reinforced hollow fiber membrane
US9022229B2 (en) 2012-03-09 2015-05-05 General Electric Company Composite membrane with compatible support filaments
US8999454B2 (en) 2012-03-22 2015-04-07 General Electric Company Device and process for producing a reinforced hollow fibre membrane
KR101414193B1 (ko) * 2012-04-30 2014-07-02 도레이케미칼 주식회사 폴리에틸렌클로로트리플루오로에틸렌 (ｅｃｔｆｅ) 중공사막의 제조방법
KR102108593B1 (ko) 2012-06-28 2020-05-29 에보쿠아 워터 테크놀로지스 엘엘씨 포팅 방법
US9227362B2 (en) 2012-08-23 2016-01-05 General Electric Company Braid welding
KR20150054918A (ko) 2012-09-14 2015-05-20 에보쿠아 워터 테크놀로지스 엘엘씨 막을 위한 중합체 블렌드
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
AU2013324056B2 (en) 2012-09-26 2017-11-16 Evoqua Water Technologies Llc Membrane securement device
WO2014052139A1 (en) 2012-09-27 2014-04-03 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
HUE061765T2 (hu) 2013-10-02 2023-08-28 Rohm & Haas Electronic Mat Singapore Pte Ltd Berendezés membrán filtrációs modul javítására
KR102189830B1 (ko) * 2013-10-11 2020-12-14 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. 플루오로중합체 막의 제조 방법
EP3322511B1 (de) 2015-07-14 2022-09-07 Rohm & Haas Electronic Materials Singapore Pte. Ltd Belüftungsvorrichtung für filtrationssystem
CN108778473A (zh) * 2016-03-09 2018-11-09 旭化成株式会社 多孔性中空纤维膜及其制造方法、以及过滤方法
JP7185448B2 (ja) * 2017-09-01 2022-12-07 旭化成株式会社 多孔性中空糸膜及びその製造方法、並びにろ過方法
WO2019045069A1 (ja) * 2017-09-01 2019-03-07 旭化成株式会社 多孔性中空糸膜、多孔性中空糸膜の製造方法、およびろ過方法
JP7219032B2 (ja) * 2017-09-01 2023-02-07 旭化成株式会社 分離層を含む多孔性中空糸膜の製造方法、多孔性中空糸膜、およびろ過方法
WO2019049858A1 (ja) * 2017-09-07 2019-03-14 旭化成株式会社 多孔質膜を用いたろ過方法
CN110141979A (zh) * 2019-05-28 2019-08-20 迈博瑞生物膜技术（南通）有限公司 一种乙烯-三氟氯乙烯共聚物中空纤维多孔膜的制备方法
CN110141981A (zh) * 2019-05-28 2019-08-20 迈博瑞生物膜技术（南通）有限公司 一种亲水性乙烯-三氟氯乙烯共聚物中空膜的制备方法
CN117531377B (zh) * 2024-01-09 2024-04-26 赛普(杭州)过滤科技有限公司 一种非对称高通量除病毒纤维素滤膜及其制备方法和应用

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732357A (en) * 1949-11-25 1956-01-24 Suspensions of polymeric chlorotri-
US4247498A (en) * 1976-08-30 1981-01-27 Akzona Incorporated Methods for making microporous products
JPS61233026A (ja) * 1985-04-09 1986-10-17 Asahi Chem Ind Co Ltd 多孔膜の製造方法
GB2168981B (en) * 1984-12-27 1988-07-06 Asahi Chemical Ind Porous fluorine resin membrane and process for preparation thereof
US4670341A (en) * 1985-05-17 1987-06-02 W. R. Grace & Co. Hollow fiber
DE3829766A1 (de) * 1988-09-01 1990-03-22 Akzo Gmbh Verfahren zur herstellung von membranen
JPH04187224A (ja) * 1990-11-20 1992-07-03 Mitsubishi Rayon Co Ltd フッ素系多孔質中空糸膜の製法
JPH06142468A (ja) * 1992-11-11 1994-05-24 Dainippon Ink & Chem Inc 細孔を有する表面親水性膜の製造方法
AU672856B2 (en) * 1992-11-16 1996-10-17 Baxter International Inc. High flux hollow fiber membrane
US6096213A (en) * 1998-08-14 2000-08-01 3M Innovative Properties Company Puncture-resistant polyolefin membranes
JP2001087636A (ja) * 1999-09-21 2001-04-03 Asahi Kasei Corp ポリエチレン製中空糸状多孔膜の製法
ITMI20010421A1 (it) * 2001-03-01 2002-09-02 Ausimont Spa Membrane porose semipermeabili di fluoropolimeri semicristallini

Also Published As

Publication number Publication date
KR20040094683A (ko) 2004-11-10
CA2474625A1 (en) 2003-08-21
NZ535133A (en) 2006-06-30
JP4656839B2 (ja) 2011-03-23
JP2005516764A (ja) 2005-06-09
CA2733826C (en) 2014-07-22
EP1474222B1 (de) 2011-04-13
MY135608A (en) 2008-05-30
CA2474625C (en) 2014-03-18
CN100500272C (zh) 2009-06-17
KR100991596B1 (ko) 2010-11-04
AUPS046602A0 (en) 2002-03-07
DE60336707D1 (de) 2011-05-26
ES2364041T3 (es) 2011-08-23
CN1638851A (zh) 2005-07-13
WO2003068374A1 (en) 2003-08-21
CA2733826A1 (en) 2003-08-21
EP1474222A4 (de) 2005-02-16
EP1474222A1 (de) 2004-11-10

Similar Documents

Publication Publication Date Title
DE60336707D1 (de) Halar-membrane
WO2001091873A3 (en) Polysulfonamide matrices
MY149930A (en) Gas transfer membrane
ATE548097T1 (de) Poröse verbundmembran und herstellungsverfahren dafür
RU2018130885A (ru) Самоорганизующиеся наноструктуры и разделительные мембраны, включающие аквапориновые водные каналы, и способы их получения и применения
DE502005003733D1 (de) High-flux dialysemembran mit verbessertem trennverhalten
AU2003288847A1 (en) Perm selective asymmetric hollow fibre membrane for the separation of toxic mediators from blood
EP1764146A3 (de) mikroporöse filtermembran, verfahren zu ihrer herstellung und trennvorrichtung mit mikroporöser filtermembran
CA2407859A1 (en) Method for producing hollow fiber membrane
AU2003248330A1 (en) Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof
DE60142408D1 (de) Modifizierte membranen
NO20075674L (no) Membrane for Filtering of Water
CA2441942A1 (en) Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes
DE602006006071D1 (de) Poröse membran und aufzeichnungsmedium sowie herstellungsverfahren dafür
FI920133A0 (fi) Film, fiber och mikroporoesa membraner som framstaellts av en poly(etereterketon) upploest i polaera organiska loesningsmedel med hoeg kokpunkt.
ATE285288T1 (de) Zusammengesetzte umkehrosmosemembranen und verfahren zu ihrer herstellung
TW258669B (de)
WO2002009790A8 (en) Collagen membrane arranged at macromolecular level
ATE511915T1 (de) Membrannachbehandlung
Baig et al. Polyelectrolyte complex hollow fiber membranes prepared via aqueous phase separation
ATE439905T1 (de) Integral asymmetrische membran, verfahren zu ihrer herstellung und ihre verwendung
EP1693076A4 (de) Bündel von selektiv permeablen polysulfon-basierten hohlfasermembranen und herstellungsverfahren dafür
WO2005032684A3 (en) Hydrophilic membranes
ATE413913T1 (de) Membran zur abtrennung von co2 und herstellungsverfahren dafür
ATE457821T1 (de) Filtrationsmembran

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties