DE2822266C2 - - Google Patents

Info

Publication number
DE2822266C2
DE2822266C2 DE2822266A DE2822266A DE2822266C2 DE 2822266 C2 DE2822266 C2 DE 2822266C2 DE 2822266 A DE2822266 A DE 2822266A DE 2822266 A DE2822266 A DE 2822266A DE 2822266 C2 DE2822266 C2 DE 2822266C2
Authority
DE
Germany
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
Application number
DE2822266A
Other languages
German (de)
Other versions
DE2822266A1 (de
Inventor
Joseph D. Acton Mass. Us Grandine Ii
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.)
EMD Millipore Corp
Original Assignee
Millipore 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 Millipore Corp filed Critical Millipore Corp
Publication of DE2822266A1 publication Critical patent/DE2822266A1/de
Application granted granted Critical
Publication of DE2822266C2 publication Critical patent/DE2822266C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/34Polyvinylidene fluoride
    • 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
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20Shaping 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE19782822266 1977-05-25 1978-05-22 Verfahren zur herstellung poroeser membranen und nach dem verfahren hergestellte produkte Granted DE2822266A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/800,574 US4203848A (en) 1977-05-25 1977-05-25 Processes of making a porous membrane material from polyvinylidene fluoride, and products

Publications (2)

Publication Number Publication Date
DE2822266A1 DE2822266A1 (de) 1978-12-07
DE2822266C2 true DE2822266C2 (US20110009641A1-20110113-C00185.png) 1987-05-07

Family

ID=25178764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782822266 Granted DE2822266A1 (de) 1977-05-25 1978-05-22 Verfahren zur herstellung poroeser membranen und nach dem verfahren hergestellte produkte

Country Status (6)

Country Link
US (1) US4203848A (US20110009641A1-20110113-C00185.png)
JP (1) JPS5416382A (US20110009641A1-20110113-C00185.png)
CA (1) CA1118560A (US20110009641A1-20110113-C00185.png)
DE (1) DE2822266A1 (US20110009641A1-20110113-C00185.png)
FR (1) FR2391836A1 (US20110009641A1-20110113-C00185.png)
GB (1) GB1594640A (US20110009641A1-20110113-C00185.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923128A1 (de) * 1989-07-13 1991-01-24 Akzo Gmbh Flach- oder kapillarmembran auf der basis eines homogenen gemisches aus polyvinylidenfluorid und eines zweiten, durch chemische umsetzung hydrophilierbaren polymeren

Families Citing this family (149)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203847A (en) * 1977-05-25 1980-05-20 Millipore Corporation Making porous membranes and the membrane products
ZA792326B (en) * 1978-05-15 1980-06-25 Pall Corp Process for preparing polyamide membrane filter media and product
DE2964867D1 (en) * 1978-12-06 1983-03-24 Abcor Inc Hydrophilic polymeric membranes, process for their preparation, their use as ultrafiltration membranes, and precursor membranes adapted to be converted thereto
US4419187A (en) * 1979-02-14 1983-12-06 International Power Technology, Inc. Apparatus and method for thermal membrane distillation
US4473473A (en) * 1979-02-14 1984-09-25 International Microporous Technology, Inc. Method and apparatus for distillation
JPS5656202A (en) * 1979-10-15 1981-05-18 Asahi Chem Ind Co Ltd Hollow porous membrane yarn made of polyvinylidene fluoride type resin
US4419242A (en) * 1980-02-04 1983-12-06 International Power Technology, Inc. Composite membrane for a membrane distillation system
CA1170010A (en) * 1980-03-28 1984-07-03 Donald N. Robinson Porous vinylidene fluoride polymer membrane and process for its preparation
US4384047A (en) * 1980-03-28 1983-05-17 Pennwalt Corporation Porous vinylidene fluoride polymer membrane and process for its preparation
US4353853A (en) * 1980-07-23 1982-10-12 Xerox Corporation Method for making reticulated foam structures
US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4673504A (en) * 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
US4473474A (en) * 1980-10-27 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4434116A (en) 1981-06-26 1984-02-28 Diamond Shamrock Corporation Method for making a porous fluorinated polymer structure
US4645602A (en) * 1981-12-18 1987-02-24 Barnes Jr Robert G Process for producing reinforced microporous membrane
US4413074A (en) * 1982-01-25 1983-11-01 Brunswick Corporation Hydrophilic surfaces and process for making the same
CA1209093A (en) * 1982-03-16 1986-08-05 Thomas D. Hall Writing instruments and their manufacture
EP0111499A1 (en) * 1982-06-14 1984-06-27 Baxter Travenol Laboratories, Inc. Wettable hydrophobic hollow fibers
JPS5924732A (ja) * 1982-08-02 1984-02-08 Mitsubishi Rayon Co Ltd 親水化多孔質膜およびその製造方法
US4598662A (en) * 1983-02-11 1986-07-08 International Microporous Technology, Inc. Drum coagulator for preparing microporous membranes
JPS6097001A (ja) * 1983-11-02 1985-05-30 Teijin Ltd ポリフツ化ビニリデン多孔性膜およびその製造方法
US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
JPS60232085A (ja) * 1984-04-28 1985-11-18 Kanegafuchi Chem Ind Co Ltd 無菌的濾過方法
KR900000773B1 (ko) * 1984-09-17 1990-02-16 미쓰비시 레이욘 가부시기가이샤 소수성다공질재료의 친수화막과 그 가공방법
US4717480A (en) * 1985-05-31 1988-01-05 Agency Of Industrial Science And Technology Method for separation of liquid mixture
US4980067A (en) * 1985-07-23 1990-12-25 Cuno, Inc. Polyionene-transformed microporous membrane
JPS62115043A (ja) * 1985-11-14 1987-05-26 Terumo Corp 多孔質膜の製造方法
WO1988002635A1 (en) * 1986-10-17 1988-04-21 Cytogen Corporation Method for preparation of protein-chelator-metal ion compositions suitable for injection
DE3743440A1 (de) * 1987-12-21 1989-06-29 Gauri Kailash Kumar Verfahren zum trennen der geloesten und ungeloesten bestandteile von milch
US4863788A (en) * 1988-02-16 1989-09-05 Micropore Waterproof breathable microporous membrane with cellular foam adhesive
IT1216467B (it) * 1988-02-26 1990-03-08 Separem Spa Membrana semipermeabile per la separazione di fluidi, procedimento per la sua preparazione e uso ditale membrana per microfiltrazione, distillazione, e tessuti speciali.
EP0335805A3 (en) * 1988-04-01 1990-04-25 Terumo Kabushiki Kaisha Method of manufacturing porous membrane and porous membrane manufactured by the same method
US5004543A (en) * 1988-06-21 1991-04-02 Millipore Corporation Charge-modified hydrophobic membrane materials and method for making the same
US5022990A (en) * 1989-01-12 1991-06-11 Asahi Kasei Kogyo Kabushiki Kaisha Polyvinylidene fluoride porous membrane and a method for producing the same
US5219101A (en) * 1989-06-01 1993-06-15 Pall Corporation Contamination-resistant dispensing and metering drop forming device
US5265770A (en) * 1989-06-01 1993-11-30 Pall Corporation Contamination-resistant dispensing and metering device
GB9011455D0 (en) * 1989-06-01 1990-07-11 Pall Corp Contamination-resistant dispensing and metering device
US5013339A (en) * 1989-12-05 1991-05-07 The Dow Chemical Company Compositions useful for making microporous polyvinylidene fluoride membranes, and process
NL9000329A (nl) * 1990-02-12 1991-09-02 Stork Friesland Bv Hydrofiel membraan, werkwijze ter vervaardiging van een hydrofiel membraan.
US5489406A (en) * 1990-05-09 1996-02-06 Memtec Limited Method of making polyvinylidene fluoride membrane
US5536413A (en) * 1990-12-03 1996-07-16 Pall Corporation Method for treating a parenteral emulsion-containing medicament fluid
US5252222A (en) * 1990-12-03 1993-10-12 Pall Corporation Filter for parenteral systems and method of using thereof
US5637343A (en) * 1991-01-17 1997-06-10 Ryan, Jr.; Gregory B. Process for making coffee concentrate
US5198505A (en) * 1991-04-11 1993-03-30 Pall Corporation Uniform polyvinylidene difluoride membranes
US5143616A (en) * 1991-05-15 1992-09-01 Pall Corporation Composite structure and method of making
US5374453A (en) * 1991-05-24 1994-12-20 Rogers Corporation Particulate filled composite film and method of making same
US5312576B1 (en) * 1991-05-24 2000-04-18 World Properties Inc Method for making particulate filled composite film
US5506049C1 (en) * 1991-05-24 2001-05-29 World Properties Inc Particulate filled composite film and method of making same
US5207917A (en) * 1991-10-08 1993-05-04 Weaver Thomas J M Recycling and recovery of aqueous cleaner solutions
US5366631A (en) * 1992-02-10 1994-11-22 Pall Corporation Composite, supported fluorocarbon media
US6126826A (en) * 1992-05-06 2000-10-03 Whatman Inc. PVDF microporous membrane and method
EP0641249A1 (en) * 1992-05-18 1995-03-08 Costar Corporation Supported microporous membranes
US5275738A (en) * 1992-06-10 1994-01-04 Pall Corporation Filter device for acids and process for filtering inorganic acids
CA2100643A1 (en) * 1992-08-14 1994-02-15 Guido Sartori Fluorinated polyolefin membranes for aromatics/saturates separation
US5565153A (en) * 1995-03-14 1996-10-15 Sartorius Ag Process of making polyvinylidene fluoride membranes
WO1997026134A1 (en) * 1996-01-22 1997-07-24 Memtec America Corporation Highly porous polyvinylidene difluoride membranes
US6074718A (en) * 1996-02-06 2000-06-13 Koch Membrane Systems, Inc. Self supporting hollow fiber membrane and method of construction
US5705344A (en) * 1996-03-14 1998-01-06 Tularik, Inc. High-throughput screening assay for inhibitors of nucleic acid helicases
DE69740003D1 (de) 1996-12-20 2010-11-04 Siemens Water Tech Corp Reinigungsmethode
US6146747A (en) * 1997-01-22 2000-11-14 Usf Filtration And Separations Group Inc. Highly porous polyvinylidene difluoride membranes
AU736329B2 (en) * 1998-06-22 2001-07-26 Asahi Kasei Kabushiki Kaisha Porous polyvinylidene fluoride resin membrane and process for preparing the same
US6569619B1 (en) 1998-07-29 2003-05-27 Tularik, Inc. High-throughput in vitro screening assays for modulators of nucleic acid helicases
EP1282463B1 (en) 2000-05-10 2010-10-27 Millipore Corporation Improved electrodeionization module
JP4038049B2 (ja) 2000-05-24 2008-01-23 ミリポア・コーポレイション 多層構造物の形成方法
US7229665B2 (en) 2001-05-22 2007-06-12 Millipore Corporation Process of forming multilayered structures
US7942274B2 (en) * 2000-05-24 2011-05-17 Millipore Corporation High-throughput asymmetric membrane
US6706184B2 (en) * 2000-08-07 2004-03-16 Cuno Incorporated Unsupported multizone microporous membrane
US6736971B2 (en) * 2000-08-07 2004-05-18 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
US6994789B2 (en) * 2000-08-07 2006-02-07 Cuno Incorporated Pre-metered, unsupported multilayer microporous membrane
CN1095391C (zh) * 2000-10-27 2002-12-04 清华大学 聚合物共混超滤膜及其制备方法
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
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
US20040043224A1 (en) * 2002-08-30 2004-03-04 Shmuel Sternberg Enhanced hydrophobic membranes and methods for making such membranes
TW590982B (en) * 2002-09-27 2004-06-11 Agnitio Science & Technology I Micro-fluid driving device
WO2004033078A1 (en) 2002-10-10 2004-04-22 U.S. Filter Wastewater Group, Inc. Backwash method
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
WO2005021140A1 (en) * 2003-08-29 2005-03-10 U.S. Filter Wastewater Group, Inc. Backwash
CA2544626C (en) * 2003-11-14 2016-01-26 U.S. Filter Wastewater Group, Inc. Closed aeration and backwash device for use with membrane filtration module
US8147732B2 (en) * 2004-01-20 2012-04-03 Porous Power Technologies, Llc Highly microporous polymers and methods for producing and using the same
US20100166961A1 (en) * 2004-01-20 2010-07-01 Beard Kirby W Production of high porosity open-cell membranes
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
AU2005240524C1 (en) * 2004-04-22 2009-12-24 Evoqua Water Technologies Llc Filtration apparatus comprising a membrane bioreactor and a treatment vessel for digesting organic materials
US7819956B2 (en) * 2004-07-02 2010-10-26 Siemens Water Technologies Corp. Gas transfer membrane
JP2008505197A (ja) 2004-07-05 2008-02-21 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 親水性膜
EP1789164B1 (en) 2004-08-20 2013-07-03 Siemens Industry, Inc. Square mbr manifolding system
CA2579168C (en) 2004-09-07 2015-06-23 Siemens Water Technologies Corp. Membrane filtration with reduced volume cleaning step
NZ553742A (en) * 2004-09-14 2010-09-30 Siemens Water Tech Corp 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
US7591950B2 (en) 2004-11-02 2009-09-22 Siemens Water Technologies Corp. Submerged cross-flow filtration
CN101084057B (zh) * 2004-12-03 2013-10-23 西门子工业公司 膜的后处理方法
EP1838422A4 (en) * 2004-12-24 2009-09-02 Siemens Water Tech Corp EASY GAS FLUSHING PROCESS AND APPROPRIATE DEVICE
WO2006066319A1 (en) * 2004-12-24 2006-06-29 Siemens Water Technologies Corp. Cleaning in membrane filtration systems
NZ562786A (en) 2005-04-29 2010-10-29 Siemens Water Tech Corp Chemical clean for membrane filter
US20080214687A1 (en) * 2005-06-20 2008-09-04 Heinz-Joachim Muller Cross Linking Treatment of Polymer Membranes
WO2007006104A1 (en) 2005-07-14 2007-01-18 Siemens Water Technologies Corp. Monopersulfate treatment of membranes
EP1945333B1 (en) 2005-08-22 2011-06-08 Siemens Industry, Inc. An assembly for water filtration to minimise backwash volume
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
CN101321578B (zh) * 2005-12-09 2010-12-08 西门子水技术公司 减少反冲洗量的过程
SG168522A1 (en) * 2006-01-12 2011-02-28 Siemens Water Tech Corp Improved operating strategies in filtration processes
US7455765B2 (en) 2006-01-25 2008-11-25 Siemens Water Technologies Corp. Wastewater treatment system and method
WO2007147167A2 (en) * 2006-06-16 2007-12-21 Porous Power Technologies, Llc Optimized microporous structure of electrochemical cells
EP2046489B1 (en) * 2006-07-14 2012-08-29 Siemens Industry, Inc. Improved monopersulfate treatment of membranes
CA2660206A1 (en) * 2006-08-31 2008-03-06 Siemens Water Technologies Corp. Low pressure backwash for membrane filtration system
WO2008051546A2 (en) * 2006-10-24 2008-05-02 Siemens Water Technologies Corp. Infiltration/inflow control for membrane bioreactor
WO2008098309A1 (en) * 2007-02-16 2008-08-21 Siemens Water Technologies Corp. Membrane filtration process and design
WO2008123972A1 (en) * 2007-04-02 2008-10-16 Siemens Water Technologies Corp. Improved infiltration/inflow control for membrane bioreactor
KR20090128531A (ko) * 2007-04-04 2009-12-15 지멘스 워터 테크놀로지스 코포레이션 멤브레인 모듈 보호
US9764288B2 (en) 2007-04-04 2017-09-19 Evoqua Water Technologies Llc Membrane module protection
WO2008144826A1 (en) * 2007-05-29 2008-12-04 Siemens Water Technologies Corp. Membrane cleaning using an airlift pump
CN101790411B (zh) 2007-05-29 2013-07-10 西门子工业公司 使用脉冲气提泵的膜清洗
CN101687148A (zh) * 2007-06-28 2010-03-31 西门子水处理技术公司 简单过滤系统的清洁方法
US20090208832A1 (en) * 2008-02-17 2009-08-20 Porous Power Technologies, Llc Lamination Configurations for Battery Applications Using PVDF Highly Porous Film
US20090227163A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Protective Apparel with Porous Material Layer
US20090226683A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Porous Material Uses in Furniture
US20090222995A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Bedding Applications for Porous Material
US20090223155A1 (en) * 2008-03-05 2009-09-10 Bernard Perry Building Construction Applications for Porous Material
AU2009273775B2 (en) * 2008-07-24 2014-11-20 Evoqua Water Technologies Llc Frame system for membrane filtration modules
AU2009281935A1 (en) * 2008-08-14 2010-02-18 Siemens Industry, Inc. Block configuration for large scale membrane distillation
EP2315625B1 (en) * 2008-08-20 2018-05-16 Evoqua Water Technologies LLC Improved membrane system backwash energy efficiency
US9707524B2 (en) * 2008-10-28 2017-07-18 Arkema Inc. Water flux polymer membranes
US20100178567A1 (en) * 2008-12-24 2010-07-15 Porous Power Technologies, Llc Mat Forming Spacers in Microporous Membrane Matrix
CN102804297A (zh) * 2009-05-20 2012-11-28 多孔渗透电力技术公司 用于微孔膜的处理和胶粘剂
JP2012528717A (ja) * 2009-06-02 2012-11-15 シーメンス インダストリー インコーポレイテッド パルス状の気体スラグおよび大域的曝気による膜洗浄
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
WO2011079062A1 (en) * 2009-12-21 2011-06-30 Siemens Industry, Inc. Charged porous polymeric membranes and their preparation
CN102869432B (zh) 2010-04-30 2016-02-03 伊沃夸水处理技术有限责任公司 流体流分配装置
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
WO2012102680A1 (en) * 2011-01-25 2012-08-02 Nanyang Technological University A forward osmosis membrane and method of forming a forward osmosis membrane
US8337701B2 (en) 2011-03-14 2012-12-25 Pall Corporation Intravenous filter
US8440085B2 (en) 2011-06-06 2013-05-14 Pall Corporation Plasma separation
SG11201401089PA (en) 2011-09-30 2014-04-28 Evoqua Water Technologies Llc Improved manifold arrangement
SG11201401091SA (en) 2011-09-30 2014-04-28 Evoqua Water Technologies Llc Isolation valve
US20130264277A1 (en) 2012-04-04 2013-10-10 Pall Corporation Antimicrobial filter
EP2866922B1 (en) 2012-06-28 2018-03-07 Evoqua Water Technologies LLC A potting method
WO2014043315A1 (en) 2012-09-14 2014-03-20 Evoqua Water Technologies Llc A polymer blend for membranes
US9962865B2 (en) 2012-09-26 2018-05-08 Evoqua Water Technologies Llc Membrane potting methods
US9764289B2 (en) 2012-09-26 2017-09-19 Evoqua Water Technologies Llc Membrane securement device
AU2013323934A1 (en) 2012-09-27 2015-02-26 Evoqua Water Technologies Llc Gas scouring apparatus for immersed membranes
EP3052221B1 (en) 2013-10-02 2022-12-14 Rohm & Haas Electronic Materials Singapore Pte. Ltd Device for repairing a membrane filtration module
US10322375B2 (en) 2015-07-14 2019-06-18 Evoqua Water Technologies Llc Aeration device for filtration system

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE329117C (de) * 1916-08-21 1920-11-15 Richard Zsigmondy Dr Membranfilter und Verfahren zu deren Herstellung
FR629415A (fr) * 1926-04-29 1927-11-09 Pathe Cinema Perfectionnements aux procédés de fabrication de fils, filaments, bandes ou films polis et transparents en matières plastiques
US2037292A (en) * 1932-04-20 1936-04-14 Deutsche Celluloid Fabrik Manufacture of films
US2245429A (en) * 1937-05-18 1941-06-10 Eastman Kodak Co Manufacture of photographic film base
US2242372A (en) * 1938-07-26 1941-05-20 Celanese Corp Method of making porous articles
US2282009A (en) * 1939-12-09 1942-05-05 Eastman Kodak Co Manufacture of vinyl resin film and sheeting
US2301368A (en) * 1939-12-09 1942-11-10 Eastman Kodak Co Manufacture of vinyl resin film and sheeting
US2383047A (en) * 1940-05-22 1945-08-21 Celanese Corp Process and apparatus for the production of plastic sheet material
GB565343A (en) * 1942-12-14 1944-11-07 John Guilfoyle Williams Improvements relating to the production of cellular materials from cellulose derivatives
US2824816A (en) * 1954-05-13 1958-02-25 Rohm & Haas Method for treating leather
US2783894A (en) * 1955-03-24 1957-03-05 Millipore Filter Corp Microporous nylon film
US2884387A (en) * 1956-10-02 1959-04-28 Polytechnic Inst Brooklyn Porous membrane materials and process for producing the same
US3000757A (en) * 1957-01-28 1961-09-19 Du Pont Process for coating substrates with a vapor permeable polymeric coating
US3100721A (en) * 1961-02-21 1963-08-13 Du Pont Process for producing microporous films and coatings
US3067482A (en) * 1958-07-03 1962-12-11 Du Pont Sheet material and process of making same
US2997448A (en) * 1958-09-24 1961-08-22 Du Pont Molded fluorocarbon polymer product and method of preparing same
NL260734A (US20110009641A1-20110113-C00185.png) * 1960-02-05
US3216882A (en) * 1960-12-05 1965-11-09 Nalco Chemical Co Porous plastic film
US3190765A (en) * 1961-06-26 1965-06-22 Du Pont Vapor permeable sheet material and method of making same
US3129159A (en) * 1961-09-29 1964-04-14 Membranfiltergesellschaft G M Process for manufacturing membranes
NL287476A (US20110009641A1-20110113-C00185.png) * 1962-01-05
GB1042305A (en) * 1963-03-14 1966-09-14 Pennsalt Chemicals Corp Vinylidene fluoride yarns and process for producing them
US3450650A (en) * 1963-06-13 1969-06-17 Yuasa Battery Co Ltd Method of making porous bodies
GB1054206A (US20110009641A1-20110113-C00185.png) * 1963-12-06
US3348963A (en) * 1964-11-14 1967-10-24 Kurashiki Rayon Co Method of producing gas-permeable elastic polyurethane films
US3406096A (en) * 1965-11-26 1968-10-15 Pactide Corp Distillation under hydrostatic pressure with vapor permeable membrane
US3429957A (en) * 1965-07-06 1969-02-25 Gulf General Atomic Inc Process for continuously casting a semi-permeable membrane
US3439074A (en) * 1965-10-01 1969-04-15 Little Inc A Method for preparing desalination membranes
US3427179A (en) * 1965-10-23 1969-02-11 Polymer Corp Method of making a porous polyamide fabric
US3484273A (en) * 1966-01-14 1969-12-16 Kanebo Ltd Method for making porous sheet material
US3412184A (en) * 1966-02-17 1968-11-19 Arthur D Little Res Inst Process for the preparation of cellulosic ester reverse osmosis membranes
US3432584A (en) * 1966-02-17 1969-03-11 Aerojet General Co Process for the manufacture of a reverse osmosis membrane having a nonheating annealing step
GB1187040A (en) * 1966-03-07 1970-04-08 Porvair Ltd Improvements relating to Water Vapour Permeable Flexible Sheet Materials.
US3432585A (en) * 1966-04-18 1969-03-11 Aerojet General Co Method and apparatus for continuous fabrication of desalination membrane
US3567809A (en) * 1966-10-07 1971-03-02 Fuji Photo Film Co Ltd Method of varying the pore diameters of fine pores in cellulose acetate film
JPS5235721B1 (US20110009641A1-20110113-C00185.png) * 1966-11-12 1977-09-10
US3507683A (en) * 1967-06-22 1970-04-21 Du Pont Method for applying heat-sealable polyamic acid,polyamide-imide and aromatic polyamide compositions to a synthetic polymer fibrid paper substrate
US3567810A (en) * 1968-04-01 1971-03-02 Amicon Corp Process for making high-flow anisotropic membranes
US3551244A (en) * 1968-04-03 1970-12-29 North Star Research & Dev Inst Method of producing an ultrathin polymer film laminate
DE1817542A1 (de) * 1968-12-31 1970-07-09 Kalle Ag Verfahren zum Herstellen einer semipermeablen Membran
US3642668A (en) * 1969-01-03 1972-02-15 Polaroid Corp Microporous vinylidene fluoride polymer and process of making same
US3620895A (en) * 1969-01-03 1971-11-16 Polaroid Corp Corrugated micropermeable membrane
US3744642A (en) * 1970-12-30 1973-07-10 Westinghouse Electric Corp Interface condensation desalination membranes
US3767737A (en) * 1971-09-07 1973-10-23 Gen Electric Method for production casting of ultrathin polymer membranes
DE2217375A1 (de) 1972-04-11 1973-11-08 Sueddeutsche Kalkstickstoff Polyvinylidenfluorid-loesungen und deren verwendung zur herstellung von ueberzuegen
US3810814A (en) * 1972-12-18 1974-05-14 Gen Electric Asymmetric polymer membranes of reduced elastic modulus
FR2232621B1 (US20110009641A1-20110113-C00185.png) 1973-06-06 1976-04-23 Rhone Poulenc Textile
US3876738A (en) * 1973-07-18 1975-04-08 Amf Inc Process for producing microporous films and products
GB1507921A (en) * 1974-04-01 1978-04-19 Gen Electric Membranes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923128A1 (de) * 1989-07-13 1991-01-24 Akzo Gmbh Flach- oder kapillarmembran auf der basis eines homogenen gemisches aus polyvinylidenfluorid und eines zweiten, durch chemische umsetzung hydrophilierbaren polymeren

Also Published As

Publication number Publication date
FR2391836B1 (US20110009641A1-20110113-C00185.png) 1983-10-07
CA1118560A (en) 1982-02-23
GB1594640A (en) 1981-08-05
US4203848A (en) 1980-05-20
DE2822266A1 (de) 1978-12-07
JPS5416382A (en) 1979-02-06
FR2391836A1 (fr) 1978-12-22

Similar Documents

Publication Publication Date Title
FR2391836B1 (US20110009641A1-20110113-C00185.png)
DE2828666C2 (US20110009641A1-20110113-C00185.png)
DE2813517C2 (US20110009641A1-20110113-C00185.png)
DE2746214C2 (US20110009641A1-20110113-C00185.png)
DE2726867C2 (US20110009641A1-20110113-C00185.png)
AU3353778A (US20110009641A1-20110113-C00185.png)
AR210643A1 (US20110009641A1-20110113-C00185.png)
AU495917B2 (US20110009641A1-20110113-C00185.png)
AU71461S (US20110009641A1-20110113-C00185.png)
BE851449A (US20110009641A1-20110113-C00185.png)
BE868323A (US20110009641A1-20110113-C00185.png)
BG25845A1 (US20110009641A1-20110113-C00185.png)
BG25847A1 (US20110009641A1-20110113-C00185.png)
BG25848A1 (US20110009641A1-20110113-C00185.png)
BG25850A1 (US20110009641A1-20110113-C00185.png)
BG25851A1 (US20110009641A1-20110113-C00185.png)
BG25809A1 (US20110009641A1-20110113-C00185.png)
BG25852A1 (US20110009641A1-20110113-C00185.png)
BG25853A1 (US20110009641A1-20110113-C00185.png)
BG25855A1 (US20110009641A1-20110113-C00185.png)
BG25860A1 (US20110009641A1-20110113-C00185.png)
BG25829A1 (US20110009641A1-20110113-C00185.png)
BG25863A1 (US20110009641A1-20110113-C00185.png)
BG25841A1 (US20110009641A1-20110113-C00185.png)
BE865722A (US20110009641A1-20110113-C00185.png)

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation