ES2070263T3 - Procedimiento de preparacion de membranas microporosas en base a polimeros hidrofobos e hidrofilos. - Google Patents

Procedimiento de preparacion de membranas microporosas en base a polimeros hidrofobos e hidrofilos.

Info

Publication number
ES2070263T3
ES2070263T3 ES90200879T ES90200879T ES2070263T3 ES 2070263 T3 ES2070263 T3 ES 2070263T3 ES 90200879 T ES90200879 T ES 90200879T ES 90200879 T ES90200879 T ES 90200879T ES 2070263 T3 ES2070263 T3 ES 2070263T3
Authority
ES
Spain
Prior art keywords
hydrophobic
membrane
procedure
preparation
hydrophilic polymers
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90200879T
Other languages
English (en)
Inventor
Hendrik Dirk Willem Roesink
Marcellinus Hendrikus V Mulder
Cornelis Antonius Smolders
Dirk Marinus Koenhen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
X Flow BV
Original Assignee
X Flow BV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19854581&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2070263(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by X Flow BV filed Critical X Flow BV
Application granted granted Critical
Publication of ES2070263T3 publication Critical patent/ES2070263T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01D67/0016—Coagulation
    • 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
    • B01D67/0011—Casting solutions therefor
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/04—Hydrophobization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PARTIENDO DESDE UNA MEZCLA DE AL MENOS UN POLIMERO HIDROFOBICO Y UN POLIMERO HIDROFILICO, ESTOS POLIMEROS SE DISUELVEN PRIMERO EN UN DISOLVENTE APROPIADO O MEZCLA DE DISOLVENTES Y A CONTINUACION SE COAGULAN EN UN BAÑO DE COAGULACION. DE ACUERDO AL INVENTO, SE PREPARA UNA MEMBRANA MAS O MENOS HIDROFILICA MEDIANTE LA ELIMINACION DE LA MEMBRANA ASI OBTENIDA DEL BAÑO DE COAGULACION Y A CONTINUACION MEDIANTE LIXIVIACION DE AL MENOS UNA PARTE DEL POLIMERO HIDROFILICO DE LA MATRIZ, SEGUIDO ALTERNATIVAMENTE POR LA HIDROFOBIZACION. DICHA LIXIVIACION DEL POLIMERO HIDROFILICO SE PRODUCE MEDIANTE TRATAMIENTO DE LA MEMBRANA CON UN AGENTE OXIDANTE/HIDROLIZANTE. EL INVENTO COMPRENDE ADEMAS MEMBRANAS MICROPOROSAS, PLANAS O TUBULARES, O EN FORMA DE FIBRAS HUECAS, QUE TIENEN UNA BUENA RESISTENCIA QUIMICA Y BUENA FORTALEZA MECANIZA.
ES90200879T 1989-04-28 1990-04-10 Procedimiento de preparacion de membranas microporosas en base a polimeros hidrofobos e hidrofilos. Expired - Lifetime ES2070263T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8901090A NL8901090A (nl) 1989-04-28 1989-04-28 Werkwijze voor het vervaardigen van een microporeus membraan en een dergelijk membraan.

Publications (1)

Publication Number Publication Date
ES2070263T3 true ES2070263T3 (es) 1995-06-01

Family

ID=19854581

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90200879T Expired - Lifetime ES2070263T3 (es) 1989-04-28 1990-04-10 Procedimiento de preparacion de membranas microporosas en base a polimeros hidrofobos e hidrofilos.

Country Status (11)

Country Link
US (1) US5076925A (es)
EP (1) EP0395133B1 (es)
JP (1) JP3196029B2 (es)
AT (1) ATE117912T1 (es)
CA (1) CA2015413C (es)
DE (1) DE69016491T2 (es)
DK (1) DK0395133T3 (es)
ES (1) ES2070263T3 (es)
GR (1) GR3015885T3 (es)
HK (1) HK1007697A1 (es)
NL (1) NL8901090A (es)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762798A (en) * 1991-04-12 1998-06-09 Minntech Corporation Hollow fiber membranes and method of manufacture
US5444097A (en) * 1992-07-07 1995-08-22 Millipore Corporation Porous polymeric structures and a method of making such structures by means of heat-induced phase separation
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
NL9301653A (nl) * 1993-09-24 1995-04-18 X Flow Bv Werkwijze voor het verwijderen van troebelheid veroorzakende bestanddelen uit een vloeistof met behulp van microfiltratie.
WO1996035952A1 (en) * 1995-05-09 1996-11-14 Smithkline Diagnostics, Inc. Devices and methods for separating cellular components of blood from liquid portion of blood
US6378907B1 (en) 1996-07-12 2002-04-30 Mykrolis Corporation Connector apparatus and system including connector apparatus
US5885456A (en) * 1996-08-09 1999-03-23 Millipore Corporation Polysulfone copolymer membranes and process
NL1004210C2 (nl) * 1996-10-07 1998-04-10 Prime Water Systems N V Waterfiltratie-inrichting.
EP0952885B1 (en) 1996-12-20 2010-09-22 Siemens Water Technologies Corp. Scouring method
US5879951A (en) 1997-01-29 1999-03-09 Smithkline Diagnostics, Inc. Opposable-element assay device employing unidirectional flow
CA2196478C (en) * 1997-01-31 2003-01-28 Takeshi Matsuura Membrane composition and method of preparation
US5939252A (en) 1997-05-09 1999-08-17 Lennon; Donald J. Detachable-element assay device
US6218441B1 (en) 1997-09-18 2001-04-17 Timothy B. Meluch Melt-spun polysulfone semipermeable membranes and methods for making the same
US7144505B2 (en) * 1997-09-18 2006-12-05 Baxter International Inc. Melt-spun polysulfone semipermeable membranes and methods for making the same
US6641733B2 (en) 1998-09-25 2003-11-04 U. S. Filter Wastewater Group, Inc. Apparatus and method for cleaning membrane filtration modules
AUPP985099A0 (en) 1999-04-20 1999-05-13 Usf Filtration And Separations Group Inc. Membrane filtration manifold system
JP3940546B2 (ja) * 1999-06-07 2007-07-04 株式会社東芝 パターン形成方法およびパターン形成材料
AUPQ680100A0 (en) 2000-04-10 2000-05-11 Usf Filtration And Separations Group Inc. Hollow fibre restraining system
KR100826622B1 (ko) 2000-05-12 2008-05-02 폴 코포레이션 필터
JP4649092B2 (ja) 2000-05-12 2011-03-09 ポール・コーポレーション ろ過装置およびろ過装置のための接続構造体
US6528321B1 (en) 2000-06-26 2003-03-04 Beckman Coulter, Inc. Opposable-element chromatographic assay device for detection of analytes in whole blood samples
EP1322395B1 (en) 2000-09-13 2011-02-23 Entegris, Inc. Liquid filtration device
AUPR064800A0 (en) 2000-10-09 2000-11-02 Usf Filtration And Separations Group Inc. Improved membrane filtration system
AUPR143400A0 (en) 2000-11-13 2000-12-07 Usf Filtration And Separations Group Inc. Modified membranes
AUPR421501A0 (en) 2001-04-04 2001-05-03 U.S. Filter Wastewater Group, Inc. Potting method
AUPR584301A0 (en) 2001-06-20 2001-07-12 U.S. Filter Wastewater Group, Inc. Membrane polymer compositions
AUPR692401A0 (en) 2001-08-09 2001-08-30 U.S. Filter Wastewater Group, Inc. Method of cleaning membrane modules
US7469932B2 (en) 2001-09-13 2008-12-30 Entegris, Inc. Receptor for a separation module
TW558448B (en) 2001-09-13 2003-10-21 Mykrolis Corp Separation module
AUPR774201A0 (en) 2001-09-18 2001-10-11 U.S. Filter Wastewater Group, Inc. High solids module
ATE333318T1 (de) 2001-11-16 2006-08-15 Us Filter Wastewater Group Inc Methode zur reinigung von membranen
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
AU2003258986A1 (en) * 2002-07-05 2004-01-23 Massachusetts Institute Of Technology Graft copolymers
JP4803697B2 (ja) * 2002-08-15 2011-10-26 三菱レイヨン株式会社 多孔質膜の製造方法
CA2501628C (en) 2002-10-10 2012-12-04 U.S. Filter Wastewater Group, Inc. A filtration and backwashing arrangement for membrane modules
US7306105B2 (en) * 2002-11-12 2007-12-11 Mitsubishi Rayon Co., Ltd. Composite porous membrane and method for producing the same
AU2002953111A0 (en) 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
AU2003903507A0 (en) 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
US8268176B2 (en) 2003-08-29 2012-09-18 Siemens Industry, Inc. Backwash
AU2004289373B2 (en) 2003-11-14 2010-07-29 Evoqua Water Technologies Llc Improved module cleaning method
US8758621B2 (en) 2004-03-26 2014-06-24 Evoqua Water Technologies Llc Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis
WO2005107929A2 (en) 2004-04-22 2005-11-17 Siemens Water Technologies Corp. Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
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
EP1773477B1 (en) 2004-07-05 2011-09-07 Siemens Water Technologies Corp. Hydrophilic membranes
NZ588094A (en) 2004-08-20 2012-04-27 Siemens Water Tech Corp Potting head for hollow fibre filter module
AU2005282211B2 (en) 2004-09-07 2011-04-21 Evoqua Water Technologies Llc Reduction of backwash liquid waste
US8506806B2 (en) 2004-09-14 2013-08-13 Siemens Industry, Inc. Methods and apparatus for removing solids from a membrane module
EP1807181A4 (en) 2004-09-15 2009-04-22 Siemens Water Tech Corp CONTINUOUS ADJUSTABLE VENTILATION
CN101068612B (zh) * 2004-10-13 2010-12-15 3M创新有限公司 制备亲水性聚醚砜膜的方法
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
MY141919A (en) 2004-12-03 2010-07-30 Siemens Water Tech Corp Membrane post treatment
CA2591580A1 (en) 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Simple gas scouring method and apparatus
ATE549076T1 (de) 2004-12-24 2012-03-15 Siemens Industry Inc Reinigung in membranfiltrationssystemen
JP4839630B2 (ja) * 2005-02-22 2011-12-21 東洋紡績株式会社 ポリスルホン系選択透過性中空糸膜束および血液浄化器
JP3772909B1 (ja) * 2005-04-04 2006-05-10 東洋紡績株式会社 血液浄化器
CN101184548B (zh) 2005-04-29 2011-10-05 西门子水技术公司 用于膜滤器的化学清洗剂
AU2006261581B2 (en) * 2005-06-20 2012-03-15 Evoqua Water Technologies Llc Cross linking treatment of polymer membranes
NZ563980A (en) * 2005-06-20 2011-07-29 Siemens Water Tech Corp Cross linking treatment of polymer membranes
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
CN101287538B (zh) 2005-08-22 2013-03-06 西门子工业公司 使用歧管以减少回洗的水过滤装置
WO2007044415A2 (en) 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US7563363B2 (en) 2005-10-05 2009-07-21 Siemens Water Technologies Corp. System for treating wastewater
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
US8293098B2 (en) 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
EP2129629A1 (en) 2007-04-02 2009-12-09 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
EP2152390B1 (en) 2007-05-29 2012-05-23 Siemens Industry, Inc. Membrane cleaning with pulsed airlift pump
EP2331242B1 (en) 2008-07-24 2018-09-05 Evoqua Water Technologies LLC Frame system for membrane filtration modules
AU2009282912B2 (en) 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
MX342636B (es) * 2008-09-26 2016-10-07 Asahi Kasei Chemicals Corp Membrana porosa, proceso para producir una membrana porosa, metodo para producir liquido aclarado y modulo de membrana porosa.
WO2010142673A1 (en) 2009-06-11 2010-12-16 Siemens Water Technologies Corp. Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
WO2011010690A1 (ja) * 2009-07-22 2011-01-27 三菱レイヨン株式会社 多孔質膜の製造方法
EP2563501B1 (en) 2010-04-30 2019-05-15 Evoqua Water Technologies LLC Fluid flow distribution device
US9022224B2 (en) 2010-09-24 2015-05-05 Evoqua Water Technologies Llc Fluid control manifold for membrane filtration system
US9539547B2 (en) 2011-08-03 2017-01-10 Mitsubishi Rayon Co., Ltd. Porous film manufacturing method and apparatus
JP5633576B2 (ja) * 2011-09-15 2014-12-03 三菱レイヨン株式会社 多孔質中空糸膜の製造方法
US9925499B2 (en) 2011-09-30 2018-03-27 Evoqua Water Technologies Llc Isolation valve with seal for end cap of a filtration system
CN103958024B (zh) 2011-09-30 2016-07-06 伊沃夸水处理技术有限责任公司 改进的歧管排列
CN102443187B (zh) * 2011-10-28 2013-03-27 湖北工业大学 一种利用亲水改性无机填料作为致孔剂制备多孔膜的方法
AU2013280452B2 (en) 2012-06-28 2017-07-20 Evoqua Water Technologies Llc A potting method
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
WO2014052071A1 (en) 2012-09-26 2014-04-03 Evoqua Water Technologies Llc Membrane securement device
KR20150059788A (ko) 2012-09-27 2015-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 침지된 막을 위한 가스 스코어링 장치
KR101785184B1 (ko) 2013-03-15 2017-10-12 미쯔비시 케미컬 주식회사 다공질막용 수지 조성물, 제막 원액, 다공질막, 상기 다공질막을 사용한 중공사막, 수처리 장치, 전해질 지지체 및 세퍼레이터
CN107847869B (zh) 2015-07-14 2021-09-10 罗门哈斯电子材料新加坡私人有限公司 用于过滤系统的通气装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957651A (en) * 1971-12-16 1976-05-18 Chemical Systems Incorporated Microporous polyester membranes and polymer assisted phase inversion process for their manufacture
JPS59160506A (ja) * 1983-02-28 1984-09-11 Kuraray Co Ltd 複合中空糸分離膜およびその製造法
JPH0757825B2 (ja) * 1985-04-17 1995-06-21 東レ株式会社 ポリスルホン系樹脂多孔膜
DE3681143D1 (de) * 1985-12-23 1991-10-02 Gelman Sciences Inc Filtermembran und verfahren zu ihrer herstellung.
NL8602402A (nl) * 1986-09-23 1988-04-18 X Flow Bv Werkwijze voor de vervaardiging van hydrofiele membranen en dergelijke membranen.
JPS6397202A (ja) * 1986-10-15 1988-04-27 Toray Ind Inc ポリエ−テルスルホン系樹脂半透膜およびその製造方法
JPS63141610A (ja) * 1986-12-02 1988-06-14 Fuji Photo Film Co Ltd 微孔性膜の製造方法

Also Published As

Publication number Publication date
DE69016491D1 (de) 1995-03-16
JP3196029B2 (ja) 2001-08-06
DE69016491T2 (de) 1995-08-24
US5076925A (en) 1991-12-31
DK0395133T3 (da) 1995-07-10
NL8901090A (nl) 1990-11-16
ATE117912T1 (de) 1995-02-15
CA2015413A1 (en) 1990-10-28
GR3015885T3 (en) 1995-07-31
CA2015413C (en) 1997-02-25
HK1007697A1 (en) 1999-04-23
EP0395133A1 (en) 1990-10-31
JPH02302449A (ja) 1990-12-14
EP0395133B1 (en) 1995-02-01

Similar Documents

Publication Publication Date Title
GR3015885T3 (en) A process for preparing a microporous membrane and such a membrane.
US5071609A (en) Process of manufacturing porous multi-expanded fluoropolymers
MX9300851A (es) Un procedimiento para la preparacion de microcapsulas polimericas que contienen material biologicamente activo.
SE8501111D0 (sv) Process for spinning hollow fiber membranes
CA2178639A1 (en) Hollow Fiber Semipermeable Membrane of Tubular Braid and Method for Producing It
ES2054306T3 (es) Membrana semipermeable asimetrica para el tratamiento de los liquidos biologicos.
CA2058182A1 (en) Microporous membranes from poly(etheretherketone)-type polymers and low melting point crystallizable polymers, and a process for making the same
EP0803533A3 (en) Process for the preparation of porous material
MX168535B (es) Membrana de filtracion semipermeable, y no adsortiva
ATE221373T1 (de) Verfahren zur herstellung von präparaten mit kontrollierter wirkstofffreisetzung auf basis von polymeren
DK243886A (da) Middel til styret frigoerelse af et makromolekylaert medikament og fremgangsmaade til fremstilling af midlet
DE3878733D1 (de) Verfahren und herstellung einer integralasymmetrischen membran.
IT1274361B (it) Procedimento per la preparazione di copolimeri vinilaromatici rinforzati con gomma
EP0394449A1 (en) Porous hollow carbon fiber film and method of manufacturing the same
ES2076662T3 (es) Membrana mixta semipermeable, procedimiento para su fabricacion y aplicacion de dichas membranas para la separacion de componentes en fase organica liquida o de vapor.
Devanathan et al. Effect of postcuring on hemo-compatibility of silicone rubber
JPS63134005A (ja) 濾過膜に耐圧性を付与する方法
US3276990A (en) Process for the production of cation permselective membranes
Yang et al. SBS/VP homograft membrane for oxygen enrichment
KR960000290A (ko) 이성분 중공사막의 제조방법
JPS57159508A (en) Preparation of selective permeable membrane
JPH0198641A (ja) 親水性弗素樹脂多孔質チューブの製造方法
DE50113104D1 (de) Mit Blut und Gewebe verträgliche Membranen aus P(AN/NVP)-Misch-polymeren und deren Anwendung im medizinischen Bereich
WO2023232905A3 (en) Method for making fibres
JP2007167839A (ja) 親水性中空糸膜とその製造方法

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 395133

Country of ref document: ES