DE69723778D1 - Methode zur herstellung von filterkartuschen mit membranen, die eingeätzte poren enthalten - Google Patents

Methode zur herstellung von filterkartuschen mit membranen, die eingeätzte poren enthalten

Info

Publication number
DE69723778D1
DE69723778D1 DE69723778T DE69723778T DE69723778D1 DE 69723778 D1 DE69723778 D1 DE 69723778D1 DE 69723778 T DE69723778 T DE 69723778T DE 69723778 T DE69723778 T DE 69723778T DE 69723778 D1 DE69723778 D1 DE 69723778D1
Authority
DE
Germany
Prior art keywords
pores
filter cartridges
membranes containing
producing filter
containing inserted
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
DE69723778T
Other languages
English (en)
Other versions
DE69723778T2 (de
Inventor
G Clements
Stephen Macomber
Suzanne Surprenant
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.)
Global Life Sciences Solutions USA LLC
Original Assignee
Whatman Inc
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 Whatman Inc filed Critical Whatman Inc
Publication of DE69723778D1 publication Critical patent/DE69723778D1/de
Application granted granted Critical
Publication of DE69723778T2 publication Critical patent/DE69723778T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/10Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • B01D65/102Detection of leaks in membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06Tubular membrane modules
    • B01D63/061Manufacturing thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D63/00Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/06Tubular membrane modules
    • B01D63/067Tubular membrane modules with pleated membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D65/00Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/003Membrane bonding or sealing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0032Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10Supported membranes; Membrane supports
    • B01D69/107Organic support material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/48Polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/021Pore shapes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/021Pore shapes
    • B01D2325/0212Symmetric or isoporous membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE69723778T 1996-01-16 1997-01-16 Methode zur herstellung von filterkartuschen mit membranen, die eingeätzte poren enthalten Expired - Lifetime DE69723778T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US585499 1996-01-16
US08/585,499 US5904846A (en) 1996-01-16 1996-01-16 Filter cartridge having track etched membranes and methods of making same
PCT/US1997/000663 WO1997026073A1 (en) 1996-01-16 1997-01-16 Filter cartridges having track etched membranes and methods of making same

Publications (2)

Publication Number Publication Date
DE69723778D1 true DE69723778D1 (de) 2003-09-04
DE69723778T2 DE69723778T2 (de) 2004-04-15

Family

ID=24341713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723778T Expired - Lifetime DE69723778T2 (de) 1996-01-16 1997-01-16 Methode zur herstellung von filterkartuschen mit membranen, die eingeätzte poren enthalten

Country Status (5)

Country Link
US (2) US5904846A (de)
EP (1) EP0820343B1 (de)
JP (1) JPH11502771A (de)
DE (1) DE69723778T2 (de)
WO (1) WO1997026073A1 (de)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5904846A (en) * 1996-01-16 1999-05-18 Corning Costar Corporation Filter cartridge having track etched membranes and methods of making same
FI103870B (fi) * 1996-12-30 1999-10-15 Kari Aalto Menetelmä ja laitteisto nesteen käsittelyyn
DE19742439C1 (de) * 1997-09-26 1998-10-22 Boehringer Ingelheim Int Mikrostrukturiertes Filter
DE19837257A1 (de) * 1998-08-17 2000-02-24 Seitz Filter Werke Filtermodul
US6291806B1 (en) 1998-10-01 2001-09-18 Usf Filtration And Separations Group, Inc. Process for bonding workpieces
US6180909B1 (en) * 1998-10-01 2001-01-30 Usf Filtration And Separations Group, Inc. Apparatus and method for sealing fluid filter by infrared heating
US6260709B1 (en) * 1998-11-09 2001-07-17 Parker-Hannifin Corporation Membrane filter element for chemical-mechanical polishing slurries
AU4474700A (en) * 1999-04-20 2000-11-02 Gore Enterprise Holdings, Inc. Filter media
WO2001051177A1 (en) 2000-01-14 2001-07-19 Pall Corporation Filter for gas analysis
DE60140326D1 (de) * 2000-05-12 2009-12-10 Pall Corp Filter
DE10029960A1 (de) * 2000-06-26 2002-01-10 Seitz Schenk Filtersystems Gmb Filtermodul
EP1311333A1 (de) * 2000-07-13 2003-05-21 USF Filtration and Separations Group Inc. Filterkartusche mit faltenfiltermedium
FI108348B (fi) * 2000-09-12 2002-01-15 Kari Aalto Laitteisto veden puhdistamiseen
DE10106734A1 (de) * 2001-02-14 2002-09-05 Mahle Filtersysteme Gmbh Verfahren zur Herstellung einer Verbindung zwischen einem fluidundurchlässigen Kunststoff-und einem fluiddurchlässigen Filtermaterial
US6706182B2 (en) 2001-10-23 2004-03-16 Pall Corporation Caged pleated filter cartridge assemblies and filtration systems employing the same
DE60310225T2 (de) * 2002-06-21 2007-10-11 Donaldson Co., Inc., Minneapolis Anordnung zur aufnahme von filter verunreinigung, filtereinrichtung und verfahren
US20040025485A1 (en) * 2002-08-07 2004-02-12 Dong-Tasi Lee Air filter with molded end caps
DE10255701A1 (de) * 2002-11-29 2004-06-17 Mann + Hummel Gmbh Flüssigkeitsfilterelement
US20040163372A1 (en) * 2003-02-25 2004-08-26 Nguyen Ledu Q. Environmentally friendly air filter for an internal combustion engine
US7597815B2 (en) * 2003-05-29 2009-10-06 Dressel Pte. Ltd. Process for producing a porous track membrane
DK176097B1 (da) * 2004-03-17 2006-06-06 Nordic Air Filtration As Fremgangsmåde til fremstilling af et filterelement samt filterelement fremstillet ved fremgangsmåden
US7294160B2 (en) * 2004-03-25 2007-11-13 Shawndra Products, Inc. Air cleaner
US20050229563A1 (en) * 2004-04-19 2005-10-20 Holzmann Mark V Filter element
FR2876144B1 (fr) * 2004-10-05 2010-10-22 Fleetguard Element creux destine a cooperer avec une cartouche de filtration d'un ensemble de filtrage, ensemble de filtrage et moule correspondants
US7828870B1 (en) 2004-11-24 2010-11-09 Cummins Filtration Ip, Inc. Filter assembly with cost effective seal
US7413588B2 (en) * 2004-11-24 2008-08-19 Fleetguard, Inc. High efficiency, low restriction, cost effective filter
EP1849516A4 (de) * 2004-12-22 2008-08-06 Dressel Pte Ltd Company Membrankarte und verfahren zur herstellung und verwendung davon
US7320721B2 (en) * 2005-03-17 2008-01-22 Samsung Electronics Co., Ltd. Chemical filter and fan filter unit having the same
DE102005040417A1 (de) * 2005-08-25 2007-03-01 Mann + Hummel Gmbh Endscheibe
KR100721430B1 (ko) * 2005-10-12 2007-05-23 학교법인 포항공과대학교 나노다공성 멤브레인 및 이의 제조방법
DE102005051503A1 (de) * 2005-10-26 2007-05-03 Mann + Hummel Gmbh Extrudierte Dichtung
DE202006008596U1 (de) * 2006-05-29 2007-10-11 Mann + Hummel Gmbh Filterelement zur Reinigung eines Fluids
US8147693B2 (en) * 2007-06-08 2012-04-03 Cumins Filtration IP, Inc. Multi-layer filter including retainers
GB0716659D0 (en) * 2007-08-25 2007-10-03 Madison Filter 981 Ltd Filter element constructions
CA2736814C (en) 2008-09-02 2017-02-28 Natrix Separations Inc. Chromatography membranes, devices containing them, and methods of use thereof
US8021456B2 (en) * 2008-11-21 2011-09-20 Bha Group, Inc. Filter element with high temperature polymer retaining straps and method of manufacture
JP2011078967A (ja) * 2009-09-08 2011-04-21 Yoshimi Fujita 濾過体及び浄水器
MX341330B (es) * 2009-09-15 2016-08-16 Mann+Hummel Purolator Filters Llc Filtro con elementos de filtro principal y suplemental y rompedor de burbujas opcional.
ES2968249T3 (es) 2011-05-17 2024-05-08 Merck Millipore Ltd Dispositivo con membranas tubulares en capas para cromatografía
US9604856B2 (en) * 2012-04-11 2017-03-28 Parker-Hannifin Corporation Integral filter compression seal
US10201667B2 (en) 2015-03-26 2019-02-12 Becton, Dickinson And Company IV membrane attachment systems and methods
US10232130B2 (en) * 2015-03-26 2019-03-19 Becton, Dickinson And Company Anti-run dry membrane
US10702689B2 (en) 2015-03-26 2020-07-07 Becton, Dickinson And Company Auto-stop vent plug
US10105899B2 (en) 2015-03-26 2018-10-23 Becton, Dickinson And Company IV membrane attachment systems and methods
US10646648B2 (en) 2015-04-01 2020-05-12 Becton, Dickinson And Company IV flow management systems and methods
DE102015015159A1 (de) * 2015-11-25 2017-06-01 Krallmann Kunststoffverarbeitung Gmbh Rohrförmiges Filtermembran-Element und Verfahren zu seiner Herstellung
CA3011514C (en) 2016-01-22 2020-11-24 Baxter International Inc. Method and machine for producing sterile solution product bags
EP3405161B1 (de) 2016-01-22 2019-11-20 Baxter International Inc Produktbeutel sterile lösungen
EP3428127A1 (de) 2017-07-12 2019-01-16 Oxyphen AG Beutel zur wasserreinigung
EP3733869A1 (de) 2019-05-02 2020-11-04 QIAGEN GmbH Automatisiertes verfahren und system zum auf split-pool basierendem barcoding von zellulären molekülen
USD969965S1 (en) * 2020-06-12 2022-11-15 Magnum Filters Limited Pool filter holder

Family Cites Families (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303085A (en) * 1962-02-28 1967-02-07 Gen Electric Molecular sieves and methods for producing same
US3457339A (en) * 1965-12-08 1969-07-22 Pall Corp Process for making end capped filter elements
GB1188525A (en) * 1966-05-26 1970-04-15 Gen Motors Ltd Filters for Liquids
US3438504A (en) * 1966-08-11 1969-04-15 Gen Electric Filter element and method of production
US3415993A (en) * 1966-11-07 1968-12-10 Gen Electric Radiation detection sheet material having metal coating to facilitate read-out
US3471019A (en) * 1968-03-05 1969-10-07 Millipore Corp Filter unit
GB1271423A (en) * 1968-06-27 1972-04-19 Gen Electric Improvements relating to the manufacture of sheets having holes therein by an etching process
US3612871A (en) * 1969-04-01 1971-10-12 Gen Electric Method for making visible radiation damage tracks in track registration materials
US3852134A (en) * 1969-05-05 1974-12-03 Gen Electric Method for forming selectively perforate bodies
BE755122A (fr) * 1969-06-20 1971-02-01 Albright & Wilson Procede de depot electrolytique de cuivre
US3708418A (en) * 1970-03-05 1973-01-02 Rca Corp Apparatus for etching of thin layers of material by ion bombardment
US3673017A (en) * 1970-07-09 1972-06-27 Gen Electric Particle track etching method
US3811999A (en) * 1970-11-19 1974-05-21 Gen Electric Etchable copolymer body
US3677844A (en) * 1970-11-19 1972-07-18 Gen Electric Process for making an elastic stretchy sheet containing apertures having a diameter of at least five angstroms and being suitable as a molecular sieve
US3770532A (en) * 1971-02-16 1973-11-06 Gen Electric Porous bodies and method of making
US3713921A (en) * 1971-04-01 1973-01-30 Gen Electric Geometry control of etched nuclear particle tracks
US3855477A (en) * 1971-11-01 1974-12-17 Gen Electric Detection and measurement of radiation damage by polarized light
US3770962A (en) * 1971-11-01 1973-11-06 Gen Electric Radiation detection method
US3850813A (en) * 1972-10-27 1974-11-26 Pall Corp End caps with peripheral grooves for tubular filter elements and process for making the same
US3867294A (en) * 1973-05-09 1975-02-18 Pall Corp Cylindrical filter elements with improved side seam seal
US3865919A (en) * 1974-04-19 1975-02-11 David B Pall Cylindrical filter elements with improved side seam seal
US4154688A (en) * 1978-01-27 1979-05-15 Pall Corporation Collapse-resistant corrugated filter element
US4268347A (en) * 1979-01-26 1981-05-19 Exxon Research & Engineering Co. Low reflectivity surface formed by particle track etching
US4245506A (en) * 1979-09-19 1981-01-20 General Electric Company Porous membrane humidity sensor
US4392958A (en) * 1980-02-14 1983-07-12 Millipore Corporation Method and structure for sealing tubular filter elements
US4512892A (en) * 1980-02-14 1985-04-23 Millipore Corporation Method and structure for sealing tubular filter elments
US4521309A (en) * 1980-07-14 1985-06-04 Pall Corporation Filter cartridge with castellated support and process of making the same
DE3046629C2 (de) * 1980-12-11 1985-04-04 Gesellschaft für Schwerionenforschung mbH, 6100 Darmstadt Verfahren zur Herstellung von Isolatoroberflächen
US4402830A (en) * 1982-01-13 1983-09-06 Pall Corporation Corrugated filter element with external spiral tape support
US4906371A (en) * 1982-05-28 1990-03-06 Cuno, Incorporated Filter element having microporous membrane
US4929354A (en) * 1982-05-28 1990-05-29 Cuno, Incorporated Filter element having microporous membrane
US4579698A (en) * 1982-05-28 1986-04-01 Amf, Inc. Process for producing a microporous polymeric filter membrane with adjacent non-porous edge layers and a pleated filter element formed from the membrane
JPS5968344A (ja) * 1982-10-12 1984-04-18 Agency Of Ind Science & Technol 非対称機能膜及びその製法
DE3240143A1 (de) * 1982-10-29 1984-05-03 Akzo Gmbh, 5600 Wuppertal Verfahren zum einbetten von membranen in ein thermoplastisches material
GB2132366B (en) * 1982-12-27 1987-04-08 Brunswick Corp Method and device for testing the permeability of membrane filters
US4515007A (en) * 1983-01-04 1985-05-07 The United States Of America As Represented By The United States Department Of Energy Method of and apparatus for testing the integrity of filters
US4715960A (en) * 1983-03-10 1987-12-29 Exxon Research And Engineering Company Method for the modification of polycarbonate membranes, the membranes produced by such method and their use
DE3477691D1 (en) * 1983-09-09 1989-05-18 Fujisawa Pharmaceutical Co Apparatus for testing membrane filters, and apparatus for sterilizing liquids with use of membrane filter
DE3337227A1 (de) * 1983-10-13 1985-04-25 Gesellschaft für Schwerionenforschung mbH Darmstadt, 6100 Darmstadt Verfahren zum bestimmen des durchmessers von mikroloechern
US4664801A (en) * 1983-10-27 1987-05-12 Brunswick Corporation Filter cartridge sealing composition and process therefor
DE3344187A1 (de) * 1983-12-07 1985-07-04 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Filtermembran mit abdichtung und verfahren zu ihrer herstellung
DD225625A1 (de) * 1983-12-20 1985-08-07 Medizin Labortechnik Veb K Verfahren zur herstellung eines separators
GB8411912D0 (en) * 1984-05-10 1984-06-13 Vokes Ltd Filters
US4609465A (en) * 1984-05-21 1986-09-02 Pall Corporation Filter cartridge with a connector seal
US4701861A (en) * 1985-05-31 1987-10-20 Pall Corporation Filter test device
US4898670A (en) * 1985-06-17 1990-02-06 A/G Technology Corporation Cartridge bonding
US4779448A (en) * 1986-01-28 1988-10-25 Donaldson Company, Inc. Photoelectric bubble detector apparatus and method
FR2597391B1 (fr) * 1986-03-25 1989-02-24 Univ Catholique Louvain Procede de realisation de perforations dans un materiau solide en feuille, dispositif d'irradiation pour la mise en oeuvre du procede et materiau perfore ainsi obtenu
US4824568A (en) * 1986-05-16 1989-04-25 Millipore Corporation Composite ultrafiltration membranes
US4830917A (en) * 1986-05-22 1989-05-16 The Curators Of The University Of Missouri Production of microporous finely divided matrix material with nuclear tracks from an isotropic source and product thereof
DE3617724A1 (de) * 1986-05-27 1987-12-03 Akzo Gmbh Verfahren zur bestimmung des blaspunktes bzw. der groessten pore von membranen oder filterwerkstoffen
US5053125A (en) * 1986-06-05 1991-10-01 Willinger Bros., Inc. Filter cartridge
US4714516A (en) * 1986-09-26 1987-12-22 General Electric Company Method to produce via holes in polymer dielectrics for multiple electronic circuit chip packaging
FR2607022B1 (fr) * 1986-11-20 1991-02-22 Commissariat Energie Atomique Realisation de membranes microporeuses asymetriques par double irradiation, et membranes ainsi obtenues
US4846970A (en) * 1987-06-22 1989-07-11 Osmonics, Inc. Cross-flow filtration membrane test unit
US4767426A (en) * 1987-10-05 1988-08-30 Whatman Reeve Angel Plc Membrane filter tube and method of preparation
DE3742770A1 (de) * 1987-12-17 1989-06-29 Akzo Gmbh Mikro-/ultrafiltrationsmembranen mit definierter porengroesse durch bestrahlung mit gepulsten lasern und verfahren zur herstellung
US4872988A (en) * 1988-02-02 1989-10-10 Culkin Joseph B Method and device for separation of colloidal suspensions
DE3817659A1 (de) * 1988-05-25 1989-11-30 Kernforschungsz Karlsruhe Verfahren zum bestimmen von strahlendosen durch auswerten von kernspuren in bestrahlten und danach geaetzten folien
US5079272A (en) * 1989-11-30 1992-01-07 Millipore Corporation Porous membrane formed from interpenetrating polymer network having hydrophilic surface
GB2240051B (en) * 1990-01-18 1993-04-14 Pall Corp Cylindrical filters and their manufacture
US5336405A (en) * 1990-04-20 1994-08-09 Minnesota Mining And Manufacturing Company Filter cartridge end cap assembly
US5139624A (en) * 1990-12-06 1992-08-18 Sri International Method for making porous semiconductor membranes
DE4103853C2 (de) * 1991-02-08 1994-09-15 Oxyphen Gmbh Verfahren zur Herstellung von Polymerfolienfiltern
US5238717A (en) * 1991-04-26 1993-08-24 Pall Corporation End caps for filter elements
DE4119040C2 (de) * 1991-06-10 1997-01-02 Pall Corp Verfahren und Gerät zum Testen des Betriebszustands von Filterelementen
US5318531A (en) * 1991-06-11 1994-06-07 Cordis Corporation Infusion balloon catheter
JP3144858B2 (ja) * 1991-11-06 2001-03-12 株式会社ロキテクノ 精密膜プリーッ式フイルターカートリッジの製造方法
US5183607A (en) * 1991-12-17 1993-02-02 Beall George H Polymer membranes for separation process
US5277811A (en) * 1992-04-14 1994-01-11 Millipore Corporation Process for forming porous polymeric product from a nonporous polymeric composition and product
US5271839A (en) * 1992-04-14 1993-12-21 Millipore Corporation Patterned porous polymeric product and process
EP0592066B1 (de) * 1992-05-01 1997-09-03 Memtec Japan Limited Vorrichtung zur Integritätsprüfung von Membranfiltern
US5282380A (en) * 1992-06-30 1994-02-01 Millipore Corporation Integrity test for membranes
DE69305947T2 (de) * 1992-09-18 1997-03-13 Amersham Int Plc Vorrichtung und Methode zur Affinitätstrennung
US5350487A (en) * 1993-05-03 1994-09-27 Ameen Thomas J Method of etching polyimide
US5536290A (en) * 1995-02-17 1996-07-16 W. L. Gore & Associates, Inc. Pleated cartridge filter attachment for top loading filter assemblies
US5904846A (en) * 1996-01-16 1999-05-18 Corning Costar Corporation Filter cartridge having track etched membranes and methods of making same

Also Published As

Publication number Publication date
EP0820343A1 (de) 1998-01-28
EP0820343B1 (de) 2003-07-30
JPH11502771A (ja) 1999-03-09
WO1997026073A1 (en) 1997-07-24
DE69723778T2 (de) 2004-04-15
US6103119A (en) 2000-08-15
US5904846A (en) 1999-05-18

Similar Documents

Publication Publication Date Title
DE69723778D1 (de) Methode zur herstellung von filterkartuschen mit membranen, die eingeätzte poren enthalten
DE69501462D1 (de) Methode zur herstellung von filterbrunnen
DE68919324D1 (de) Verfahren zur Herstellung von isotropen mikroporösen Polysulfonmembranen.
DE58903874D1 (de) Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration.
ATE523239T1 (de) Verfahren zur herstellung mikroporöser filtermembranen
DE69313112T2 (de) Methode zur herstellung von abriebeständigen katalysator-bindemitteln
EP0718029A3 (de) Verfahren zur Herstellung einer hochdurchlässigen zusammengesetzten Umkehrosmosemembran
DE69010276D1 (de) Methode zur Herstellung von hydrophilem-hydrophobem Copolymer-Pulver.
EP0718030A3 (de) Hochdurchlässige zusammengesetzte Umkehrosmosemembranen, Verfahren zu ihrer Herstellung und Verfahren zu ihrer Verwendung
DE69229861T2 (de) Verfahren zur herstellung von membranen
DE69613296D1 (de) Verfahren zur Herstellung von mikroporösen Membranen aus Polyolefin
DE68923319T2 (de) Fluorkohlenstoff- Membranen und Verfahren zur Herstellung von Fluorkohlenstoff-Membranen.
KR970703193A (ko) 폴리술폰제 다공질 막 및 그 제법(Porous Polysulfone Membrane and Process for Producing the Same)
DE3481818D1 (de) Verfahren zur herstellung von mikrofiltrations-, ultrafiltrations- oder umkehrosmose-elementen.
DE69713894D1 (de) Verfahren zur herstellung von 2,3-dihalogenpropanolen
DE59611465D1 (de) Sulfonierte polyetherketone, verfahren zu ihrer herstellung und verwendung zur herstellung von membranen
DE69711669T2 (de) VERFAHREN ZUR HERSTELLUNG VON d,1-ALPHA-TOCOPHEROL
DE59402684D1 (de) Verfahren zur partiellen modifizierung von porösen, hydrophilen filtermembranen
DE3669507D1 (de) 1-benzyl-2-(n-substituierte)-carbamoyltetrahydroisochinoline und methode zur ihrer herstellung.
DE69726441D1 (de) Verfahren zur herstellung von 1,3-dioxolan-4-methanol-verbindungen
DE3772903D1 (de) Mit europium aktivierter strontiumtetraborat-uv-phosphor und verfahren zur herstellung desselben.
ATE252112T1 (de) Prozess zur herstellung von aza zyclohexapeptide
DE69510087D1 (de) Verfahren zur herstellung von 5-chlor-2,3-dihydro-1h-inden-1-on
DE3764541D1 (de) Verfahren zur herstellung von poroesen membranen.
DE69719247D1 (de) Ionenaustauscher, Verfahren zu dessen Herstellung und Verwendung desselben zur Entfernung von mehrwertigen Anionen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition