PT76616B - Filter system - Google Patents

Filter system

Info

Publication number
PT76616B
PT76616B PT76616A PT7661683A PT76616B PT 76616 B PT76616 B PT 76616B PT 76616 A PT76616 A PT 76616A PT 7661683 A PT7661683 A PT 7661683A PT 76616 B PT76616 B PT 76616B
Authority
PT
Portugal
Prior art keywords
filter system
filter
Prior art date
Application number
PT76616A
Other languages
English (en)
Other versions
PT76616A (en
Original Assignee
Pall 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 Pall Corp filed Critical Pall Corp
Publication of PT76616A publication Critical patent/PT76616A/pt
Publication of PT76616B publication Critical patent/PT76616B/pt

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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
    • A61K35/14—Blood; Artificial blood
    • A61K35/16—Blood plasma; Blood serum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/0005—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts
    • A61L2/0011—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor for pharmaceuticals, biologicals or living parts using physical methods
    • A61L2/0017—Filtration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/022—Filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Cell Biology (AREA)
  • Hematology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Immunology (AREA)
  • Virology (AREA)
  • Zoology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Biotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Molecular Biology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)
PT76616A 1982-05-07 1983-04-28 Filter system PT76616B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/376,259 US4431545A (en) 1982-05-07 1982-05-07 Microporous filter system and process

Publications (2)

Publication Number Publication Date
PT76616A PT76616A (en) 1983-05-01
PT76616B true PT76616B (en) 1986-01-13

Family

ID=23484292

Family Applications (1)

Application Number Title Priority Date Filing Date
PT76616A PT76616B (en) 1982-05-07 1983-04-28 Filter system

Country Status (10)

Country Link
US (1) US4431545A (pt)
EP (1) EP0094226B1 (pt)
JP (1) JPS5926116A (pt)
CA (1) CA1209057A (pt)
CH (1) CH654758A5 (pt)
DE (1) DE3378357D1 (pt)
ES (1) ES522148A0 (pt)
FR (1) FR2526327B1 (pt)
GB (1) GB2120116B (pt)
PT (1) PT76616B (pt)

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL70415A (en) * 1982-12-27 1987-07-31 Aligena Ag Semipermeable encapsulated membranes,their manufacture and their use
US4620932A (en) * 1983-06-06 1986-11-04 Howery Kenneth A Submicronic hydrophilic filter media
US4888115A (en) * 1983-12-29 1989-12-19 Cuno, Incorporated Cross-flow filtration
US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
US4915839A (en) * 1984-03-15 1990-04-10 Cuno, Incorporated Process for surface modifying a microporous membrane
US4774001A (en) * 1984-12-21 1988-09-27 Pall Corporation Supported microporous membrane
US4980067A (en) * 1985-07-23 1990-12-25 Cuno, Inc. Polyionene-transformed microporous membrane
DE3681286D1 (de) * 1985-12-06 1991-10-10 Memtec Ltd Behandlung von emulsionen.
US4824451A (en) * 1985-12-31 1989-04-25 Kimberly-Clark Corporation Melt-blown filter medium
US4689152A (en) * 1986-05-02 1987-08-25 The Dow Chemical Company Apparatus and method for multistage membrane phase separation
US4714647A (en) * 1986-05-02 1987-12-22 Kimberly-Clark Corporation Melt-blown material with depth fiber size gradient
GB8615268D0 (en) * 1986-06-23 1986-07-30 Domnick Hunter Filters Ltd Polyamide membranes
US4912034A (en) * 1987-09-21 1990-03-27 Biogenex Laboratories Immunoassay test device and method
US5004682A (en) * 1987-11-02 1991-04-02 Olin Corporation Method and kit for detecting live microorganisms in chlorine- or bromine-treated water
US5215662A (en) * 1988-12-16 1993-06-01 Micron Separations Inc. Heat resistant microporous material production and products
US5221483A (en) * 1990-06-29 1993-06-22 Coulter Corporation Process and apparatus for removal of DNA, viruses and endotoxins
US5076933A (en) * 1990-06-29 1991-12-31 Coulter Corporation Process and apparatus for removal of dna and viruses
US5167808A (en) * 1990-08-16 1992-12-01 S&K Products International, Inc. Deionized water purification system
DE4040363A1 (de) * 1990-12-17 1992-06-25 Nmi Naturwissenschaftl U Mediz Polymere fuer die herstellung von folien, membranen, formkoerpern und funktionalisierten oberflaechen auf basis von polysacchariden
US5128041A (en) * 1991-05-15 1992-07-07 Pall Corporation Microporous membrane, method of manufacture, and method of use
DE4143639C2 (de) 1991-12-02 2002-10-24 Qiagen Gmbh Verfahren zur Isolierung und Reinigung von Nukleinsäuren
US5190502A (en) * 1992-02-07 1993-03-02 Dayco Products, Inc. Belt tensioning system, belt tensioner therefor and methods of making the same
US5366631A (en) * 1992-02-10 1994-11-22 Pall Corporation Composite, supported fluorocarbon media
US5480554A (en) * 1992-05-13 1996-01-02 Pall Corporation Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same
US5753343A (en) * 1992-08-04 1998-05-19 Minnesota Mining And Manufacturing Company Corrugated nonwoven webs of polymeric microfiber
GB9218239D0 (en) * 1992-08-27 1992-10-14 Pall Corp Processing of protein-containing body fluids
US6169045B1 (en) 1993-11-16 2001-01-02 Kimberly-Clark Worldwide, Inc. Nonwoven filter media
US5626761A (en) * 1993-12-17 1997-05-06 Poly-Bio-Marine, Inc. Chemical and particulate filtration system/apparatus
US5542441A (en) 1994-08-03 1996-08-06 Yieldup International Apparatus for delivering ultra-low particle counts in semiconductor manufacturing
US5626745A (en) * 1994-10-27 1997-05-06 Water Recycling Systems, Inc. Waste water purification system
US5533341A (en) * 1995-06-07 1996-07-09 Air Liquide America Corporation Apparatus and method for producing and injecting sterile cryogenic liquids
EP0888810B1 (en) 1996-03-18 2006-06-21 Nitto Denko Corporation Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same
US5749232A (en) * 1996-12-18 1998-05-12 Air Liquide America Corporation Apparatus and method for producing and injecting sterile cryogenic liquids
EP0952885B1 (en) * 1996-12-20 2010-09-22 Siemens Water Technologies Corp. Scouring method
US6413425B1 (en) 1997-04-10 2002-07-02 Nitto Denko Corporation Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same
DE19810947A1 (de) * 1998-03-13 1999-09-16 Merck Patent Gmbh Beseitigung von Kontaminationen aus biologischen Produkten
US6260709B1 (en) * 1998-11-09 2001-07-17 Parker-Hannifin Corporation Membrane filter element for chemical-mechanical polishing slurries
US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
US6274041B1 (en) 1998-12-18 2001-08-14 Kimberly-Clark Worldwide, Inc. Integrated filter combining physical adsorption and electrokinetic adsorption
US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
EP1779914A1 (en) * 2000-01-14 2007-05-02 Entegris, Inc. System for liquid filtration based on a neutral filter material
US20020011450A1 (en) * 2000-01-14 2002-01-31 Wayne Kelly System and method for liquid filtration based on a neutral filter material
US20030089623A1 (en) * 2000-03-02 2003-05-15 Robert Peat Chemical sensor
FR2814080B1 (fr) * 2000-09-20 2003-02-28 Maco Pharma Sa Dispositif de filtration a plusieurs milieux filtrants et systeme a poches le comprenant
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
US7244485B2 (en) * 2001-04-11 2007-07-17 Xerox Corporation Imageable seamed belts having polyamide adhesive between interlocking seaming members
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
US7247238B2 (en) * 2002-02-12 2007-07-24 Siemens Water Technologies Corp. Poly(ethylene chlorotrifluoroethylene) membranes
US20030203694A1 (en) * 2002-04-26 2003-10-30 Kimberly-Clark Worldwide, Inc. Coform filter media having increased particle loading capacity
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
AU2002953111A0 (en) * 2002-12-05 2002-12-19 U. S. Filter Wastewater Group, Inc. Mixing chamber
US20080210606A1 (en) 2004-01-07 2008-09-04 Jeffrey Burbank Filtration System Preparation of Fluids for Medical Applications
EP1592494B1 (en) 2003-01-07 2009-06-24 NxStage Medical, Inc. Batch filtration system for preparation of sterile replacement fluid for renal therapy
US9700663B2 (en) 2005-01-07 2017-07-11 Nxstage Medical, Inc. Filtration system for preparation of fluids for medical applications
AU2003903507A0 (en) * 2003-07-08 2003-07-24 U. S. Filter Wastewater Group, Inc. Membrane post-treatment
US7135142B2 (en) * 2003-08-01 2006-11-14 Steris Inc. Filter assembly for a reprocessor
US7569182B2 (en) * 2003-08-01 2009-08-04 American Sterilizer Company Filter assembly for a reprocessor
EP1677898B1 (en) * 2003-08-29 2016-03-09 Evoqua Water Technologies LLC Backwash
WO2005046849A1 (en) 2003-11-14 2005-05-26 U.S. Filter Wastewater Group, Inc. Improved module cleaning method
EP1729882A1 (en) * 2004-02-05 2006-12-13 Millipore Corporation Porous adsorptive or chromatographic media
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
EP1747058A4 (en) * 2004-04-22 2009-09-30 Siemens Water Tech Corp FILTRATION APPARATUS COMPRISING A MEMBRANE BIOREACTOR AND A TREATMENT TANK FOR THE DIGESTION OF ORGANIC MATERIALS
CA2571498A1 (en) * 2004-07-02 2006-01-12 U.S. Filter Wastewater Group, Inc. Gas transfer membrane
CA2571502A1 (en) 2004-07-05 2006-01-12 U.S. Filter Wastewater Group, Inc. Hydrophilic membranes
WO2006017911A1 (en) * 2004-08-20 2006-02-23 Siemens Water Technologies Corp. Square mbr manifolding system
AU2005282211B2 (en) * 2004-09-07 2011-04-21 Evoqua Water Technologies Llc Reduction of backwash liquid waste
CN101039739B (zh) * 2004-09-14 2014-10-08 伊沃夸水处理技术有限责任公司 从薄膜组件上去除固体的方法和设备
CA2579894A1 (en) 2004-09-15 2006-03-23 Siemens Water Technologies Corp. Continuously variable aeration
JP2008518748A (ja) * 2004-11-02 2008-06-05 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 浸漬クロスフロー濾過
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
EP2394731A1 (en) 2004-12-24 2011-12-14 Siemens Industry, Inc. Cleaning in membrane filtration systems
US8758622B2 (en) * 2004-12-24 2014-06-24 Evoqua Water Technologies Llc Simple gas scouring method and apparatus
EP1885475B1 (en) 2005-04-29 2015-03-25 Evoqua Water Technologies LLC Chemical clean for membrane filter
US20080214687A1 (en) * 2005-06-20 2008-09-04 Heinz-Joachim Muller Cross Linking Treatment of Polymer Membranes
US7988891B2 (en) 2005-07-14 2011-08-02 Siemens Industry, Inc. Monopersulfate treatment of membranes
SG164499A1 (en) 2005-08-22 2010-09-29 Siemens Water Tech Corp An assembly for water filtration using a tube manifold to minimise backwash
WO2007044415A2 (en) * 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
WO2007044345A2 (en) * 2005-10-05 2007-04-19 Siemens Water Technologies Corp. Method and apparatus for treating wastewater
US20080257822A1 (en) * 2005-12-09 2008-10-23 Warren Thomas Johnson Reduced Backwash Volume Process
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
CA2644633A1 (en) 2006-03-06 2007-09-13 Jeffrey R. Horacek Apparatus for deactivating instruments and devices
KR20090034976A (ko) * 2006-07-14 2009-04-08 지멘스 워터 테크놀로지스 코포레이션 막의 개선된 모노퍼술페이트 처리 방법
CA2660206A1 (en) * 2006-08-31 2008-03-06 Siemens Water Technologies Corp. Low pressure backwash for membrane filtration system
US8293098B2 (en) * 2006-10-24 2012-10-23 Siemens Industry, Inc. Infiltration/inflow control for membrane bioreactor
US20080197077A1 (en) * 2007-01-26 2008-08-21 Swartley John S Low pressure drinking water purifier
US20100012585A1 (en) * 2007-02-16 2010-01-21 Fufang Zha Membrane filtration process and design
CA2682707C (en) * 2007-04-02 2014-07-15 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
US20100051545A1 (en) * 2007-04-04 2010-03-04 Warren Thomas Johnson Membrane module protection
KR101402291B1 (ko) 2007-05-29 2014-06-02 에보쿠아 워터 테크놀로지스 엘엘씨 펄스형 공기리프트 펌프를 이용한 막 세정 방법 및 장치
WO2008144826A1 (en) * 2007-05-29 2008-12-04 Siemens Water Technologies Corp. Membrane cleaning using an airlift pump
WO2009000035A1 (en) * 2007-06-28 2008-12-31 Siemens Water Technologies Corp. Cleaning method for simple filtration systems
US9433922B2 (en) 2007-08-14 2016-09-06 Emd Millipore Corporation Media for membrane ion exchange chromatography based on polymeric primary amines, sorption device containing that media, and chromatography scheme and purification method using the same
US20090130738A1 (en) * 2007-11-19 2009-05-21 Mikhail Kozlov Media for membrane ion exchange chromatography
US8025807B2 (en) * 2008-01-16 2011-09-27 American Sterilizer Company Method for treating rinse water in decontamination devices
WO2010009518A1 (en) * 2008-07-24 2010-01-28 Siemens Water Technologies Corp. Frame system for membrane filtration modules
EP2313172A4 (en) * 2008-08-14 2013-03-13 Siemens Industry Inc BLOCK CONFIGURATION FOR DISTILLATION ON LARGE SCALE MEMBRANE
AU2009282912B2 (en) * 2008-08-20 2014-11-27 Evoqua Water Technologies Llc Improved membrane system backwash energy efficiency
AU2010257526A1 (en) 2009-06-11 2012-01-12 Siemens Industry, Inc Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane
US20110147308A1 (en) * 2009-12-21 2011-06-23 Siemens Water Technologies Corp. Charged Porous Polymeric Membranes and Their Preparation
AU2011245709B2 (en) 2010-04-30 2015-06-11 Evoqua Water Technologies Llc Fluid flow distribution device
CN103118766B (zh) 2010-09-24 2016-04-13 伊沃夸水处理技术有限责任公司 膜过滤系统的流体控制歧管
HUE058060T2 (hu) 2011-09-30 2022-07-28 Rohm & Haas Electronic Mat Szigetelõ szelep
WO2013048801A1 (en) 2011-09-30 2013-04-04 Siemens Industry, Inc. Improved manifold arrangement
US10328193B2 (en) 2012-03-21 2019-06-25 Gambro Lundia Ab Extracorporeal blood treatment apparatus with multiple treatment solution reservoirs
RU2506232C2 (ru) * 2012-04-23 2014-02-10 Общество с ограниченной ответственностью "Акватория" Способ инактивации вирусов в водных средах
SG11201407134SA (en) * 2012-05-01 2014-12-30 Entegris Inc Organic solvent purifier and method of using
EP2866922B1 (en) 2012-06-28 2018-03-07 Evoqua Water Technologies LLC A potting method
CN104684632A (zh) 2012-09-14 2015-06-03 伊沃夸水处理技术有限责任公司 用于膜的聚合物共混物
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
US20170296952A1 (en) * 2014-05-19 2017-10-19 Mycropore Corporation Ltd. Method for pre-wetting pp filter for filtering slurry and pp filter package
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3132094A (en) * 1958-09-11 1964-05-05 Gulf Research Development Co Ultrafiltration of electrolyte solutions through ion-exchange memberanes
NL296324A (pt) * 1962-08-06
CA1044537A (en) * 1973-05-09 1978-12-19 Amf Incorporated Filter medium and process
DE2352376A1 (de) * 1973-10-18 1975-04-30 Kraftwerk Union Ag Verfahren zur ueberwachung von aktivitaetskonzentrationen in fluessigkeiten
US4253900A (en) * 1977-02-28 1981-03-03 Allied Chemical Corporation Method of making novel two component bipolar ion exchange membranes
US4250029A (en) * 1977-04-25 1981-02-10 Rohm And Haas Company Coated membranes
GB2008423B (en) * 1977-11-05 1982-03-17 British Petroleum Co Filter and method of filtration for the determination of biochemical compounds present in water
JPS54112071A (en) * 1978-02-22 1979-09-01 Mitsui Petrochemical Ind Method of filtering liquid
DK170416B1 (da) * 1978-05-15 1995-08-28 Pall Corp Mikroporøs, hydrofil, hindefri, alkoholuopløselig polyamidharpiksmembran, fremgangsmåde til dens fremstilling, anvendelse af membranen i filterelementer samt harpiksstøbeopløsning til brug ved fremgangsmåden
GB2043734B (en) * 1979-03-01 1983-08-17 Amf Inc Filter and method of making same
US4288462A (en) * 1980-02-04 1981-09-08 Amf Incorporated Method for removing cationic contaminants from beverages
US4350594A (en) * 1980-04-16 1982-09-21 Kuraray Co., Ltd. Blood purification using plural ultrafiltration stages
JPS6332093B2 (pt) * 1980-10-27 1988-06-28 Kyuno Inc

Also Published As

Publication number Publication date
GB2120116A (en) 1983-11-30
ES8406891A1 (es) 1984-09-01
GB8312115D0 (en) 1983-06-08
ES522148A0 (es) 1984-09-01
EP0094226A2 (en) 1983-11-16
EP0094226A3 (en) 1985-11-06
FR2526327B1 (fr) 1989-09-08
CH654758A5 (fr) 1986-03-14
CA1209057A (en) 1986-08-05
US4431545A (en) 1984-02-14
EP0094226B1 (en) 1988-11-02
FR2526327A1 (fr) 1983-11-10
JPS5926116A (ja) 1984-02-10
DE3378357D1 (en) 1988-12-08
GB2120116B (en) 1986-02-05
JPS6362242B2 (pt) 1988-12-01
PT76616A (en) 1983-05-01

Similar Documents

Publication Publication Date Title
PT76616A (en) Filter system
BG35575A1 (en) Multimicroprocessor system
DE3377769D1 (en) Filter
GB8308173D0 (en) Filters
GB8320901D0 (en) Filter devices
EP0094165A3 (en) Filters
GB8330118D0 (en) Micro-cryogenic system
ZA839422B (en) Fascia-gutter system
GB8333350D0 (en) Filter
GB2119670B (en) Continuous filter
GB2118794B (en) Filter
PT76503B (en) Cigarrette filter
AR243339A1 (es) Filtro para cigarrillo
HUT34649A (en) Sinchronizing system
GB8307168D0 (en) Dryer/filter system
GB2119675B (en) Filters
DE3360210D1 (en) Filter system
GB2119272B (en) Filter
IL70514A (en) Switch-while-scan system
GB2117665B (en) Air filter system
ZA833075B (en) Filtration
GB2132499B (en) Filter
GB8626915D0 (en) Filter insert system
EP0113901A3 (en) Mode filter
DE3365918D1 (en) Filter unit