DK169616B1 - Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf - Google Patents
Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf Download PDFInfo
- Publication number
- DK169616B1 DK169616B1 DK407986A DK407986A DK169616B1 DK 169616 B1 DK169616 B1 DK 169616B1 DK 407986 A DK407986 A DK 407986A DK 407986 A DK407986 A DK 407986A DK 169616 B1 DK169616 B1 DK 169616B1
- Authority
- DK
- Denmark
- Prior art keywords
- membrane
- cellulose
- hydrophilic
- polyfunctional
- compounds
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title claims abstract description 25
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
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- 239000004033 plastic Substances 0.000 title claims description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 28
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- 239000000463 material Substances 0.000 claims abstract description 21
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- 238000001914 filtration Methods 0.000 claims description 14
- DEWLEGDTCGBNGU-UHFFFAOYSA-N 1,3-dichloropropan-2-ol Chemical compound ClCC(O)CCl DEWLEGDTCGBNGU-UHFFFAOYSA-N 0.000 claims description 13
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 12
- 229940051269 1,3-dichloro-2-propanol Drugs 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
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- 238000004519 manufacturing process Methods 0.000 claims description 8
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- ZZYXNRREDYWPLN-UHFFFAOYSA-N pyridine-2,3-diamine Chemical class NC1=CC=CN=C1N ZZYXNRREDYWPLN-UHFFFAOYSA-N 0.000 claims description 7
- 238000006555 catalytic reaction Methods 0.000 claims description 6
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
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- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 4
- YSAVZVORKRDODB-WDSKDSINSA-N diethyl tartrate Chemical compound CCOC(=O)[C@@H](O)[C@H](O)C(=O)OCC YSAVZVORKRDODB-WDSKDSINSA-N 0.000 claims description 3
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims description 2
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- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 2
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- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
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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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Medicinal Preparation (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK407986A DK169616B1 (da) | 1986-08-27 | 1986-08-27 | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
| IE226287A IE60368B1 (en) | 1986-08-27 | 1987-08-24 | Permeable, porous polymeric membrane with hydrophilic character, methods for preparing said membranes, and their use |
| DE8787112406T DE3784410T2 (de) | 1986-08-27 | 1987-08-26 | Permeable, poroese polymermembran mit hydrophilen eigenschaften, verfahren zu ihrer herstellung und ihre anwendung. |
| AT87112406T ATE86139T1 (de) | 1986-08-27 | 1987-08-26 | Permeable, poroese polymermembran mit hydrophilen eigenschaften, verfahren zu ihrer herstellung und ihre anwendung. |
| EP87112406A EP0257635B1 (en) | 1986-08-27 | 1987-08-26 | Permeable, porous, polymeric membrane with hydrophilic character, methods for preparing said membranes, and their use |
| ES87112406T ES2053488T3 (es) | 1986-08-27 | 1987-08-26 | Membrana polimera porosa, permeable, con caracter hidrofilo, metodos para preparar tales membranas, y su uso. |
| JP62214113A JP2677360B2 (ja) | 1986-08-27 | 1987-08-27 | 親水特性を有する透過性の多孔質膜およびその製造方法 |
| US07/350,694 US5019261A (en) | 1986-08-27 | 1989-05-09 | Permeable, porous polymeric membrane with hydrophilic character methods for preparing said membranes and their use |
| US07/373,696 US5091086A (en) | 1986-08-27 | 1989-07-03 | Permeable, porous polymeric membrane with hydrophilic character, methods for preparing said membranes and their use |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK407986A DK169616B1 (da) | 1986-08-27 | 1986-08-27 | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
| DK407986 | 1986-08-27 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK407986D0 DK407986D0 (da) | 1986-08-27 |
| DK407986A DK407986A (da) | 1988-02-28 |
| DK169616B1 true DK169616B1 (da) | 1994-12-27 |
Family
ID=8129966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK407986A DK169616B1 (da) | 1986-08-27 | 1986-08-27 | Permeabel, porøs, polymerbehandlet plastmembran med hydrofil karakter, fremgangsmåder til fremstilling heraf samt anvendelse heraf |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US5019261A (es) |
| EP (1) | EP0257635B1 (es) |
| JP (1) | JP2677360B2 (es) |
| AT (1) | ATE86139T1 (es) |
| DE (1) | DE3784410T2 (es) |
| DK (1) | DK169616B1 (es) |
| ES (1) | ES2053488T3 (es) |
| IE (1) | IE60368B1 (es) |
Families Citing this family (68)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964989A (en) * | 1986-12-23 | 1990-10-23 | Pall Corporation | Membranes with low protein adsorbability |
| DE3889479T2 (de) * | 1987-02-27 | 1994-12-22 | Eastman Kodak Co | Mit Nieder-pI-Protein beschichtete Membranstruktur und Verfahren zu ihrer Herstellung und Verwendung. |
| JPH01284303A (ja) * | 1988-05-10 | 1989-11-15 | Asahi Chem Ind Co Ltd | 表面親水化高選択性透過膜とその製造方法 |
| DK438689D0 (da) * | 1989-09-05 | 1989-09-05 | Danisco | Hydrofil membran til anvendelse ved ultrafiltrering eller mikrofiltrering samt fremgangsmaade til fremstilling deraf |
| BR9007088A (pt) * | 1989-12-01 | 1992-01-28 | Gft Ges Fuer Trenntechnik | Membrana-composita para remocao de agua de fluidos contendo componentes organicos por meio de pervaporacao |
| US5580650A (en) * | 1989-12-29 | 1996-12-03 | The Dow Chemical Company | Process of preparing a composite membrane |
| US5160627A (en) * | 1990-10-17 | 1992-11-03 | Hoechst Celanese Corporation | Process for making microporous membranes having gel-filled pores, and separations methods using such membranes |
| 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 |
| US5641450A (en) * | 1991-03-28 | 1997-06-24 | Toray Industries, Inc. | Process of making a module including a polysulphonic hollow fiber membrane |
| DE4217335C2 (de) * | 1992-05-26 | 1996-01-18 | Seitz Filter Werke | Hydrophile Membran und Verfahren zu ihrer Herstellung |
| CA2103742C (en) * | 1992-08-11 | 2001-07-17 | Robert Ziolkowski Greenley | Novel solid poly-amphiphilic polymer having use in a separation process |
| US5282971A (en) * | 1993-05-11 | 1994-02-01 | Pall Corporation | Positively charged polyvinylidene fluoride membrane |
| US5433852A (en) * | 1993-09-02 | 1995-07-18 | Industrial Technology Research Institute | Method for modifying PVC separation membranes |
| CA2128296A1 (en) * | 1993-12-22 | 1995-06-23 | Peter John Degen | Polyvinylidene fluoride membrane |
| AU5309396A (en) * | 1995-04-13 | 1996-10-30 | Travenol Laboratories (Israel) Ltd. | Leukocyte filtration method and apparatus |
| DE19603420C1 (de) * | 1996-01-31 | 1997-05-22 | Geesthacht Gkss Forschung | Kompositmembran aus einer insbesondere mikroporösen Trägermembran |
| DE69736172T2 (de) * | 1996-03-18 | 2007-04-26 | Nitto Denko Corporation, Ibaraki | Verbundmembran fur umkehrosmose und methode zur wasserbehandlung mit umkehrosmose mit hilfe derselben |
| EP0889951B1 (en) * | 1996-03-29 | 2004-05-19 | Radiometer Medical A/S | Sensor and modified membrane for the sensor |
| CA2269933A1 (en) * | 1996-11-14 | 1998-05-22 | Pall Corporation | Membrane and methods of preparing and using same |
| 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 |
| US6112908A (en) * | 1998-02-11 | 2000-09-05 | Rentiers Machinery Pty, Ltd. | Membrane laminates and methods for their preparation |
| AU5613700A (en) * | 1999-07-16 | 2001-02-05 | Baxter International Inc. | Polyvinylidene difluoride membranes and methods for making such membranes |
| KR100575113B1 (ko) * | 2000-06-21 | 2006-05-03 | 가부시키가이샤 구라레 | 다공질 중공 섬유막 및 이의 제조방법 |
| WO2002004083A2 (en) * | 2000-07-07 | 2002-01-17 | Colorado State University Research Foundation | Surface modified membranes and methods for producing the same |
| US20020148774A1 (en) * | 2001-02-06 | 2002-10-17 | I-Fan Wang | Asymmetric hydrophilic membrane by grafting |
| ITMI20010383A1 (it) * | 2001-02-26 | 2002-08-26 | Ausimont Spa | Membrane idrofiliche porose |
| US6596167B2 (en) * | 2001-03-26 | 2003-07-22 | Koch Membrane Systems, Inc. | Hydrophilic hollow fiber ultrafiltration membranes that include a hydrophobic polymer and a method of making these membranes |
| EP1458252B1 (en) * | 2001-12-21 | 2008-01-23 | Galenica AB | Tobacco and/or tobacco in combination with tobacco substitute composition for use as a snuff in the oral cavity |
| US6780309B2 (en) * | 2002-03-22 | 2004-08-24 | Allegiance Corporation | Tapered hydrophobic filter for suction canisters |
| US7067058B2 (en) * | 2003-04-01 | 2006-06-27 | 3M Innovative Properties Company | Hydrophilic membrane and process for making the same |
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| US20040256310A1 (en) * | 2003-06-19 | 2004-12-23 | Cheng Dah Yu | Method of producing a porous membrane and waterproof, highly breathable fabric including the membrane |
| US7517581B2 (en) | 2003-09-26 | 2009-04-14 | Parker-Hannifin Corporation | Semipermeable hydrophilic membrane |
| RU2007137124A (ru) * | 2005-03-09 | 2009-04-20 | Дзе Риджентс Оф Дзе Юниверсити Оф Калифорния (Us) | Нанокомпозитные мембраны и способы их получения и применения |
| US20070084788A1 (en) * | 2005-10-14 | 2007-04-19 | Millipore Corporation | Ultrafiltration membranes and methods of making and use of ultrafiltration membranes |
| US7717273B2 (en) * | 2006-05-24 | 2010-05-18 | Millipore Corporation | Membrane surface modification by radiation-induced polymerization |
| US20080245736A1 (en) * | 2006-08-11 | 2008-10-09 | Millipore Corporation | Crosslinked cellulosic nanofiltration membranes |
| CA2667579A1 (en) * | 2006-10-27 | 2008-05-15 | The Regents Of The University Of California | Micro-and nanocomposite support structures for reverse osmosis thin film membranes |
| WO2009020649A1 (en) * | 2007-08-08 | 2009-02-12 | Jordi Flp | Suspension homopolymerization of an isocyanurate |
| AU2008302086A1 (en) * | 2007-09-21 | 2009-03-26 | The Regents Of The University Of California | Nanocomposite membranes and methods of making and using same |
| JP5152862B2 (ja) * | 2008-04-04 | 2013-02-27 | 独立行政法人産業技術総合研究所 | 疎水性ポリマー膜を有する電気泳動用媒体及びそれを用いた泳動分離方法 |
| US8177978B2 (en) | 2008-04-15 | 2012-05-15 | Nanoh20, Inc. | Reverse osmosis membranes |
| US8017050B2 (en) * | 2008-07-10 | 2011-09-13 | Board Of Regents The University Of Texas System | Water purification membranes with improved fouling resistance |
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| JP5220698B2 (ja) * | 2009-07-06 | 2013-06-26 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP5518442B2 (ja) * | 2009-11-25 | 2014-06-11 | 富士フイルム株式会社 | 濾過フィルタ用結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP5528070B2 (ja) * | 2009-11-25 | 2014-06-25 | 富士フイルム株式会社 | 濾過フィルタ用結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP2011110470A (ja) * | 2009-11-25 | 2011-06-09 | Fujifilm Corp | 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ |
| JP2013541408A (ja) | 2010-08-10 | 2013-11-14 | イー・エム・デイー・ミリポア・コーポレイシヨン | レトロウイルス除去方法 |
| WO2012064939A2 (en) | 2010-11-10 | 2012-05-18 | Nanoh2O, Inc. | Improved hybrid tfc ro membranes with non-metallic additives |
| KR101551298B1 (ko) | 2011-04-01 | 2015-09-08 | 이엠디 밀리포어 코포레이션 | 나노섬유 함유 복합재료 구조 |
| JP5424145B1 (ja) * | 2013-01-24 | 2014-02-26 | 東洋紡株式会社 | 高分子多孔質平膜シート |
| WO2014158660A1 (en) | 2013-03-14 | 2014-10-02 | Dow Global Technologies Llc | Composite polyamide membrane including dissolvable polymer coating |
| KR20210115050A (ko) | 2014-06-26 | 2021-09-24 | 이엠디 밀리포어 코포레이션 | 개선된 먼지 포집 능력을 갖는 필터 구조 |
| US9254466B2 (en) * | 2014-06-30 | 2016-02-09 | Pall Corporation | Crosslinked cellulosic membranes |
| US9381453B2 (en) | 2014-11-06 | 2016-07-05 | Central Illinois Manufacturing Company | Fuel filter |
| KR20170113638A (ko) | 2015-04-17 | 2017-10-12 | 이엠디 밀리포어 코포레이션 | 접선방향 유동 여과 모드에서 작동되는 나노섬유 한외여과막을 사용하여 샘플에서 목적하는 생물학적 물질을 정제하는 방법 |
| US9861940B2 (en) | 2015-08-31 | 2018-01-09 | Lg Baboh2O, Inc. | Additives for salt rejection enhancement of a membrane |
| US9737859B2 (en) | 2016-01-11 | 2017-08-22 | Lg Nanoh2O, Inc. | Process for improved water flux through a TFC membrane |
| US10155203B2 (en) | 2016-03-03 | 2018-12-18 | Lg Nanoh2O, Inc. | Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents |
| JP7127201B2 (ja) * | 2019-02-26 | 2022-08-29 | 富士フイルム株式会社 | 親水性多孔質膜および親水性多孔質膜の製造方法 |
| CN110354898B (zh) * | 2019-07-05 | 2022-02-22 | 南京工业大学 | 功能化的聚乙烯醇催化复合膜及其制备方法 |
| CN110354698B (zh) * | 2019-07-05 | 2022-02-22 | 南京工业大学 | 一种磺化聚乙烯醇催化复合膜及制备方法 |
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| CN113527730B (zh) * | 2021-06-09 | 2023-07-25 | 安徽理工大学 | 一种可印刷复合交联半透膜材料、其制备的半透膜及应用 |
| CN115178111B (zh) * | 2022-08-01 | 2024-06-28 | 安徽大学 | 聚四氟乙烯膜及其亲水改性方法 |
Family Cites Families (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3620970A (en) * | 1969-09-05 | 1971-11-16 | Hercules Inc | Reverse osmosis membranes from hydroxyalkyl derivatives of cellulose |
| FR2088598A5 (es) * | 1970-04-17 | 1972-01-07 | Anvar | |
| JPS5223346B2 (es) * | 1972-08-30 | 1977-06-23 | ||
| GB1538810A (en) * | 1976-08-10 | 1979-01-24 | Sumitomo Electric Industries | Hydrophilic porous fluorocarbon structures and process for their production |
| JPS5321270A (en) * | 1976-08-10 | 1978-02-27 | Sumitomo Electric Industries | Hydrophobic porous composite structure and its manufacture |
| JPS548669A (en) * | 1977-06-21 | 1979-01-23 | Sumitomo Electric Ind Ltd | Hydrophilic porous composite structure and its manufacture |
| JPS5417978A (en) * | 1977-07-11 | 1979-02-09 | Sumitomo Electric Ind Ltd | Hydrophilic and porous composite structure and its production |
| US4340482A (en) | 1978-02-21 | 1982-07-20 | Millipore Corporation | Process for grafting amino acid molecules onto preformed polymer surfaces and products prepared thereby |
| DE2808222C3 (de) * | 1978-02-25 | 1981-09-03 | Battelle-Institut E.V., 6000 Frankfurt | Verfahren zur Herstellung von Composite-Membranen |
| JPS5535910A (en) * | 1978-09-06 | 1980-03-13 | Teijin Ltd | Permselectivity composite membrane and preparation thereof |
| US4285987A (en) * | 1978-10-23 | 1981-08-25 | Alza Corporation | Process for manufacturing device with dispersion zone |
| US4248913A (en) * | 1979-05-24 | 1981-02-03 | Abcor, Inc. | Process for preparing a membrane |
| US4277344A (en) * | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
| JPS5663772A (en) * | 1979-10-26 | 1981-05-30 | Sumitomo Electric Ind Ltd | Alkaline battery |
| JPS5695304A (en) * | 1979-12-28 | 1981-08-01 | Teijin Ltd | Perm selective composite membrane and its production |
| JPS56147604A (en) * | 1980-04-18 | 1981-11-16 | Nitto Electric Ind Co Ltd | Manufacture of composite gas permeable membrane |
| JPS5727102A (en) * | 1980-07-28 | 1982-02-13 | Nitto Electric Ind Co Ltd | Composite semipermeable membrane and its production |
| IL63638A0 (en) * | 1980-09-16 | 1981-11-30 | Aligena Ag | Semipermeable composite membranes,their manufacture and their use |
| US4432875A (en) * | 1981-05-29 | 1984-02-21 | Brunswick Corporation | Semi-permeable membranes and processes for making the same |
| US4473475A (en) * | 1981-05-29 | 1984-09-25 | Amf Inc. | Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids |
| US4413074A (en) * | 1982-01-25 | 1983-11-01 | Brunswick Corporation | Hydrophilic surfaces and process for making the same |
| DE3220570A1 (de) * | 1982-06-01 | 1983-12-01 | GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren |
| SE8205908D0 (sv) * | 1982-10-18 | 1982-10-18 | Pharmacia Diagnostics Ab | Sett att bilda polymerskikt |
| CH660852A5 (de) * | 1982-11-23 | 1987-05-29 | Aligena Ag | Dynamische membranen, die sich als duenne polymerschichten auf poroesen, polymeren traegermaterialien befinden. |
| EP0156840A4 (en) * | 1983-09-12 | 1987-07-08 | Memtec Ltd | TREATMENT OF POROUS MEMBRANE. |
| US4659475A (en) * | 1984-03-19 | 1987-04-21 | Midwest Research Institute | Composite reverse osmosis membrane comprising crosslinked poly(amine-epihalohydrin adduct) |
| US4529646A (en) * | 1984-07-30 | 1985-07-16 | E. I. Du Pont De Nemours And Company | Production of composite membranes |
| US4618533A (en) * | 1984-11-30 | 1986-10-21 | Millipore Corporation | Porous membrane having hydrophilic surface and process |
| JPS61161103A (ja) * | 1985-01-10 | 1986-07-21 | Terumo Corp | 親水性多孔質膜およびその製法 |
| US4794002A (en) * | 1985-11-01 | 1988-12-27 | Monsanto Company | Modified polymeric surfaces and process for preparing same |
| EP0227043A3 (en) * | 1985-12-19 | 1988-01-27 | Sumitomo Chemical Company, Limited | Composite semipermeable membrane and process for producing the same |
| GB2189168B (en) * | 1986-04-21 | 1989-11-29 | Aligena Ag | Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts |
| NL8602402A (nl) * | 1986-09-23 | 1988-04-18 | X Flow Bv | Werkwijze voor de vervaardiging van hydrofiele membranen en dergelijke membranen. |
| US4814082A (en) * | 1986-10-20 | 1989-03-21 | Memtec North America Corporation | Ultrafiltration thin film membranes |
| US4828980A (en) * | 1987-09-18 | 1989-05-09 | Eastman Kodak Company | Membrane structure coated with low pI protein or carbohydrate and methods of making and use |
-
1986
- 1986-08-27 DK DK407986A patent/DK169616B1/da not_active IP Right Cessation
-
1987
- 1987-08-24 IE IE226287A patent/IE60368B1/en not_active IP Right Cessation
- 1987-08-26 ES ES87112406T patent/ES2053488T3/es not_active Expired - Lifetime
- 1987-08-26 EP EP87112406A patent/EP0257635B1/en not_active Expired - Lifetime
- 1987-08-26 AT AT87112406T patent/ATE86139T1/de not_active IP Right Cessation
- 1987-08-26 DE DE8787112406T patent/DE3784410T2/de not_active Expired - Fee Related
- 1987-08-27 JP JP62214113A patent/JP2677360B2/ja not_active Expired - Lifetime
-
1989
- 1989-05-09 US US07/350,694 patent/US5019261A/en not_active Expired - Lifetime
- 1989-07-03 US US07/373,696 patent/US5091086A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3784410D1 (de) | 1993-04-08 |
| ES2053488T3 (es) | 1994-08-01 |
| EP0257635A2 (en) | 1988-03-02 |
| ATE86139T1 (de) | 1993-03-15 |
| US5019261A (en) | 1991-05-28 |
| DE3784410T2 (de) | 1993-09-09 |
| EP0257635A3 (en) | 1990-05-16 |
| IE872262L (en) | 1988-02-27 |
| JP2677360B2 (ja) | 1997-11-17 |
| US5091086A (en) | 1992-02-25 |
| IE60368B1 (en) | 1994-07-13 |
| DK407986A (da) | 1988-02-28 |
| DK407986D0 (da) | 1986-08-27 |
| EP0257635B1 (en) | 1993-03-03 |
| JPS6368646A (ja) | 1988-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PUP | Patent expired |