DE3818860A1 - Filterelement - Google Patents
FilterelementInfo
- Publication number
- DE3818860A1 DE3818860A1 DE3818860A DE3818860A DE3818860A1 DE 3818860 A1 DE3818860 A1 DE 3818860A1 DE 3818860 A DE3818860 A DE 3818860A DE 3818860 A DE3818860 A DE 3818860A DE 3818860 A1 DE3818860 A1 DE 3818860A1
- Authority
- DE
- Germany
- Prior art keywords
- filter
- element according
- filter element
- pores
- final
- 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.)
- Granted
Links
- 239000011148 porous material Substances 0.000 claims description 68
- 239000012528 membrane Substances 0.000 claims description 53
- 238000011045 prefiltration Methods 0.000 claims description 42
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 9
- 229920002492 poly(sulfone) Polymers 0.000 claims description 9
- 239000004760 aramid Substances 0.000 claims description 8
- 229920003235 aromatic polyamide Polymers 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 239000004953 Aliphatic polyamide Substances 0.000 claims description 5
- 229920003231 aliphatic polyamide Polymers 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 12
- 238000011146 sterile filtration Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229940127557 pharmaceutical product Drugs 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229960004793 sucrose Drugs 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3818860A DE3818860A1 (de) | 1988-06-03 | 1988-06-03 | Filterelement |
| FR898906993A FR2632208B1 (fr) | 1988-06-03 | 1989-05-29 | Filtre a membranes du type heterogene et comprenant au moins une premiere membrane a structure de pores asymetriques |
| US07/361,035 US4983288A (en) | 1988-06-03 | 1989-06-02 | Filter element with membrane-type filter material |
| JP1139384A JPH0622657B2 (ja) | 1988-06-03 | 1989-06-02 | フイルターエレメント |
| GB8912882A GB2219221B (en) | 1988-06-03 | 1989-06-05 | Filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3818860A DE3818860A1 (de) | 1988-06-03 | 1988-06-03 | Filterelement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3818860A1 true DE3818860A1 (de) | 1989-12-07 |
| DE3818860C2 DE3818860C2 (enExample) | 1990-11-22 |
Family
ID=6355751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3818860A Granted DE3818860A1 (de) | 1988-06-03 | 1988-06-03 | Filterelement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4983288A (enExample) |
| JP (1) | JPH0622657B2 (enExample) |
| DE (1) | DE3818860A1 (enExample) |
| FR (1) | FR2632208B1 (enExample) |
| GB (1) | GB2219221B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0689863A1 (de) | 1994-06-23 | 1996-01-03 | SEITZ-FILTER-WERKE Gmbh und Co. | Mehrschichtige Mikrofiltrationsmembran mit integrierter Vorfilterschicht und Verfahren zu ihrer Herstellung |
| WO2011039274A1 (en) | 2009-10-01 | 2011-04-07 | F. Hoffmann-La Roche Ag | Multistep final filtration |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8800796A (nl) * | 1988-03-29 | 1989-10-16 | X Flow Bv | Werkwijze voor de chemische analyse van bestanddelen van een lichaamsvloeistof, alsmede een testinrichting en testpakket voor een dergelijke analyse. |
| US5728298A (en) * | 1992-10-29 | 1998-03-17 | Cuno, Incorporated | Filter element and method for the manufacture thereof |
| US5433859A (en) * | 1993-07-12 | 1995-07-18 | Pall Corporation | Supported microporous filtration membrane and method of using same |
| NL9301653A (nl) * | 1993-09-24 | 1995-04-18 | X Flow Bv | Werkwijze voor het verwijderen van troebelheid veroorzakende bestanddelen uit een vloeistof met behulp van microfiltratie. |
| DE19648881C2 (de) * | 1996-11-26 | 1999-12-23 | Geesthacht Gkss Forschung | Polymermembran mit in der Membran lokalisierten Enzymen sowie Verfahren zur Herstellung von Erzeugnissen mittels in Polymermembranen ablaufender Reaktionen |
| IL121883A0 (en) * | 1997-10-05 | 1998-03-10 | Soda Club Holdings Nv | Apparatus and method for the purification of water |
| IL121885A0 (en) | 1997-10-05 | 1998-03-10 | Soda Club Holdings Nv | Water purifying and dispensing apparatus |
| IL121884A0 (en) * | 1997-10-05 | 1998-03-10 | Osmotek Ltd | Filter means and method for the purification of water |
| US6939466B2 (en) | 1998-08-17 | 2005-09-06 | Cuno Incorporated | Graded particle-size retention filter medium for fluid filtration unit with improved edge seal |
| US20040118766A1 (en) * | 2000-02-03 | 2004-06-24 | Pulek John L. | Graded particle-size retention filter medium for cell-type filter unit |
| WO2001007090A1 (en) | 1999-07-21 | 2001-02-01 | The Procter & Gamble Company | Microorganism filter and method for removing microorganism from water |
| US7108791B2 (en) * | 1999-09-14 | 2006-09-19 | Millipore Corporation | High-resolution virus removal methodology and filtration capsule useful therefor |
| ES2296643T3 (es) * | 1999-09-14 | 2008-05-01 | Millipore Corporation | Dispositivos para separacion de virus. |
| 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 |
| US6612447B1 (en) * | 2000-07-24 | 2003-09-02 | Baxter International Inc. | Blood collection systems and filters using a porous membrane element |
| US6596112B1 (en) * | 2000-10-20 | 2003-07-22 | Pall Corporation | Laminates of asymmetric membranes |
| US20030146167A1 (en) * | 2001-02-16 | 2003-08-07 | Miller Olen O. | Apparatus for dewatering coal tailings and slurries and removing contaminants therefrom |
| US7615152B2 (en) | 2001-08-23 | 2009-11-10 | Pur Water Purification Products, Inc. | Water filter device |
| KR100777951B1 (ko) * | 2001-08-23 | 2007-11-28 | 더 프록터 앤드 갬블 캄파니 | 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법 |
| US7614508B2 (en) * | 2001-08-23 | 2009-11-10 | Pur Water Purification Products Inc. | Water filter materials, water filters and kits containing silver coated particles and processes for using the same |
| US7614507B2 (en) | 2001-08-23 | 2009-11-10 | Pur Water Purification Products Inc. | Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same |
| US20050279696A1 (en) | 2001-08-23 | 2005-12-22 | Bahm Jeannine R | Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles |
| CA2462914A1 (en) * | 2001-10-11 | 2003-04-17 | Aviva Biosciences Corporation | Methods, compositions, and automated systems for separating rare cells from fluid samples |
| JP5204384B2 (ja) * | 2006-05-19 | 2013-06-05 | 富士フイルム株式会社 | 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター |
| JP5220369B2 (ja) * | 2007-09-04 | 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 |
| WO2010107503A1 (en) | 2009-03-19 | 2010-09-23 | Millipore Corporation | Removal of microorganisms from fluid samples using nanofiber filtration media |
| KR101157514B1 (ko) * | 2010-05-28 | 2012-06-20 | 중앙대학교 산학협력단 | 두께관통형 미세기공을 가지는 고분자 또는 고분자복합재료 멤브레인 및 그 제조방법 |
| CN108579207A (zh) | 2010-08-10 | 2018-09-28 | Emd密理博公司 | 用于去除反转录病毒的方法 |
| WO2012107156A1 (de) * | 2011-02-09 | 2012-08-16 | Klingenburg Gmbh | Wärme- und/oder feuchteaustauschelement |
| ES2886043T3 (es) * | 2011-04-01 | 2021-12-16 | Emd Millipore Corp | Estructuras compuestas que contienen nanofibras |
| US20130264277A1 (en) * | 2012-04-04 | 2013-10-10 | Pall Corporation | Antimicrobial filter |
| GB2519734B (en) * | 2013-07-10 | 2015-10-21 | Smart Separations Ltd | Apparatus and Methods |
| US10351442B2 (en) | 2013-12-18 | 2019-07-16 | Brita Lp | Flow control device for filter as you pour system |
| AU2014366924B9 (en) | 2013-12-18 | 2019-10-24 | Brita Lp | Lid for filter-as-you-pour container system |
| US10604420B2 (en) | 2013-12-18 | 2020-03-31 | Brita Lp | Method and apparatus for reservoir free and ventless water filtering |
| US11066311B2 (en) | 2013-12-18 | 2021-07-20 | Brita I.P | Method of using a filter media for filtration |
| US10654725B2 (en) | 2013-12-18 | 2020-05-19 | Brita Lp | Filter assembly for filter as you pour filtration |
| ES2962695T3 (es) | 2014-06-26 | 2024-03-20 | Emd Millipore Corp | Dispositivo de filtración de fluidos con capacidad de retención de suciedad mejorada |
| WO2016095401A1 (zh) * | 2014-12-19 | 2016-06-23 | 佛山市顺德区美的饮水机制造有限公司 | 一体复合滤芯和具有其的净水系统 |
| GB2534130B (en) * | 2015-01-06 | 2018-12-19 | Smart Separations Ltd | Apparatus and methods |
| MY180329A (en) * | 2015-01-09 | 2020-11-28 | H2O Saver Asia Sdn Bhd | Drinking water supply system |
| WO2016167871A1 (en) | 2015-04-17 | 2016-10-20 | Emd Millipore Corporation | Method of purifying a biological materia of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode |
| US10427951B2 (en) | 2015-08-20 | 2019-10-01 | Brita Lp | Water purification filter and system |
| WO2017055916A1 (en) | 2015-09-30 | 2017-04-06 | Brita Lp | Filter design with interchangeable core cover |
| CN208865250U (zh) | 2015-09-30 | 2019-05-17 | 碧然德公司 | 滤芯、过滤器组件和流体容器 |
| US10343931B2 (en) | 2015-09-30 | 2019-07-09 | Brita Lp | Filter cartridge placement in filter as you pour system |
| US10188968B2 (en) | 2016-10-31 | 2019-01-29 | Westlake Longview Corporation | Candle filter support and plate assembly for polymer melts |
| WO2019016605A1 (en) | 2017-07-21 | 2019-01-24 | Merck Millipore Ltd | MEMBRANES OF NONWOVEN FIBERS |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622804B2 (de) * | 1976-05-21 | 1981-01-29 | Seitz-Filter-Werke Theo & Geo Seitz, 6550 Bad Kreuznach | Membranfilter |
| EP0096339A2 (de) * | 1982-06-01 | 1983-12-21 | Deutsche Carbone AG | Mehrschichtige Membran und ihre Verwendung zur Trennung von Flüssigkeitsgemischen nach dem Pervaporationsverfahren |
| DE3407252A1 (de) * | 1983-02-28 | 1984-09-06 | Kuraray Co., Ltd., Kurashiki, Okayama | Hohlfaser-verbundmembran zur stofftrennung, verfahren zu ihrer herstellung und ihre verwendung |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1000038A (enExample) * | 1960-12-06 | |||
| US3285421A (en) * | 1963-11-22 | 1966-11-15 | Gulf Research Development Co | Membrane support |
| US3353682A (en) * | 1966-02-28 | 1967-11-21 | Pall Corp | Fluid-permeable fibrous multilayer materials and process of making the same |
| AR205025A1 (es) * | 1974-04-19 | 1976-03-31 | Johnson & Johnson | Medios para filtrar sangre |
| DE3279618D1 (en) * | 1982-01-04 | 1989-05-24 | Brunswick Corp | Membrane systems for filtration |
| JPS5982918A (ja) * | 1982-11-02 | 1984-05-14 | Kanebo Ltd | 多層構造「ろ」材 |
| DE3406562A1 (de) * | 1984-02-23 | 1985-08-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Membran fuer die inaktivierung von heparin in blut und blutfraktionen, verfahren zu ihrer herstellung, ihre verwendung und verfahren zur inaktivierung von heparin in blut und blutfraktionen |
-
1988
- 1988-06-03 DE DE3818860A patent/DE3818860A1/de active Granted
-
1989
- 1989-05-29 FR FR898906993A patent/FR2632208B1/fr not_active Expired - Fee Related
- 1989-06-02 JP JP1139384A patent/JPH0622657B2/ja not_active Expired - Fee Related
- 1989-06-02 US US07/361,035 patent/US4983288A/en not_active Expired - Lifetime
- 1989-06-05 GB GB8912882A patent/GB2219221B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622804B2 (de) * | 1976-05-21 | 1981-01-29 | Seitz-Filter-Werke Theo & Geo Seitz, 6550 Bad Kreuznach | Membranfilter |
| EP0096339A2 (de) * | 1982-06-01 | 1983-12-21 | Deutsche Carbone AG | Mehrschichtige Membran und ihre Verwendung zur Trennung von Flüssigkeitsgemischen nach dem Pervaporationsverfahren |
| DE3407252A1 (de) * | 1983-02-28 | 1984-09-06 | Kuraray Co., Ltd., Kurashiki, Okayama | Hohlfaser-verbundmembran zur stofftrennung, verfahren zu ihrer herstellung und ihre verwendung |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0689863A1 (de) | 1994-06-23 | 1996-01-03 | SEITZ-FILTER-WERKE Gmbh und Co. | Mehrschichtige Mikrofiltrationsmembran mit integrierter Vorfilterschicht und Verfahren zu ihrer Herstellung |
| US5620790A (en) * | 1994-06-23 | 1997-04-15 | Seitz-Filter-Werke Gmbh Und Co. | Multi-layer microfiltration membrane having an integrated prefiltration layer and method of making same |
| WO2011039274A1 (en) | 2009-10-01 | 2011-04-07 | F. Hoffmann-La Roche Ag | Multistep final filtration |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3818860C2 (enExample) | 1990-11-22 |
| JPH0622657B2 (ja) | 1994-03-30 |
| GB2219221B (en) | 1992-03-18 |
| GB2219221A (en) | 1989-12-06 |
| FR2632208B1 (fr) | 1992-01-31 |
| FR2632208A1 (fr) | 1989-12-08 |
| GB8912882D0 (en) | 1989-07-26 |
| US4983288A (en) | 1991-01-08 |
| JPH0243925A (ja) | 1990-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SEITZ-FILTER-WERKE GMBH UND CO, 6550 BAD KREUZNACH |
|
| 8339 | Ceased/non-payment of the annual fee |