CN101039734B - 褶式多层过滤介质及滤筒 - Google Patents

褶式多层过滤介质及滤筒 Download PDF

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Publication number
CN101039734B
CN101039734B CN2005800353869A CN200580035386A CN101039734B CN 101039734 B CN101039734 B CN 101039734B CN 2005800353869 A CN2005800353869 A CN 2005800353869A CN 200580035386 A CN200580035386 A CN 200580035386A CN 101039734 B CN101039734 B CN 101039734B
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CN
China
Prior art keywords
filter
depth
pleat
filter media
media
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2005800353869A
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English (en)
Chinese (zh)
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CN101039734A (zh
Inventor
托马斯·J·哈姆林
格克汗·库鲁奇
彼得·J·莱维斯雷
理查德·塞尔
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of CN101039734A publication Critical patent/CN101039734A/zh
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Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/522—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with specific folds, e.g. having different lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/14—Diatomaceous earth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0407—Perforated supports on both sides of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/12—Pleated filters
    • B01D2201/122—Pleated filters with pleats of different length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/182—Filters characterised by the openings or pores for depth filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Filtering Materials (AREA)
CN2005800353869A 2004-10-15 2005-10-14 褶式多层过滤介质及滤筒 Expired - Fee Related CN101039734B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US61935304P 2004-10-15 2004-10-15
US60/619,353 2004-10-15
PCT/US2005/036814 WO2006044532A1 (en) 2004-10-15 2005-10-14 Pleated multi-layer filter media and cartridge

Publications (2)

Publication Number Publication Date
CN101039734A CN101039734A (zh) 2007-09-19
CN101039734B true CN101039734B (zh) 2010-09-08

Family

ID=35809693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800353869A Expired - Fee Related CN101039734B (zh) 2004-10-15 2005-10-14 褶式多层过滤介质及滤筒

Country Status (7)

Country Link
US (2) US7645312B2 (enExample)
EP (1) EP1807171A1 (enExample)
JP (1) JP2008516753A (enExample)
CN (1) CN101039734B (enExample)
AU (1) AU2005295757A1 (enExample)
BR (1) BRPI0518130A (enExample)
WO (1) WO2006044532A1 (enExample)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7625428B2 (en) * 2003-01-28 2009-12-01 The University Of Wyoming Research Corporation Bioagent air filtration systems
CA2513461C (en) 2003-01-28 2013-04-02 The University Of Wyoming Research Corporation D/B/A/ Western Research Institute Charge-based water filtration systems
JP5326572B2 (ja) * 2006-10-31 2013-10-30 栗田工業株式会社 超純水の高純度化方法及び超純水製造システム
US20090020472A1 (en) * 2007-07-19 2009-01-22 3M Innovative Properties Company Pleated filter
WO2009062009A2 (en) * 2007-11-09 2009-05-14 Hollingsworth & Vose Company Meltblown filter medium
US8986432B2 (en) * 2007-11-09 2015-03-24 Hollingsworth & Vose Company Meltblown filter medium, related applications and uses
US8506807B2 (en) * 2008-05-15 2013-08-13 Woongjincoway Co., Ltd. Spiral wound type filter cartridge
WO2009146321A1 (en) 2008-05-30 2009-12-03 3M Innovative Properties Company Ligand functionalized substrates
EP2522692B1 (en) 2008-05-30 2014-06-18 3M Innovative Properties Company Ligand monomers and copolymers made therewith
CN102292136A (zh) * 2008-12-22 2011-12-21 3M创新有限公司 小型多气体过滤器
BRPI0923565A2 (pt) * 2008-12-23 2016-01-26 3M Innovative Properties Co artigo não tecido funcionalizado
DE202009003669U1 (de) 2009-03-17 2010-08-12 Mann+Hummel Gmbh Filterelement
US20100243554A1 (en) * 2009-03-25 2010-09-30 Nathan Herrin Fluid Filter Assembly
US8950587B2 (en) * 2009-04-03 2015-02-10 Hollingsworth & Vose Company Filter media suitable for hydraulic applications
BRPI1011747A2 (pt) 2009-06-23 2018-02-27 3M Innovative Properties Co artigo não tecido funcionalizado.
US8377672B2 (en) * 2010-02-18 2013-02-19 3M Innovative Properties Company Ligand functionalized polymers
EP2889625B1 (en) 2010-03-03 2016-09-14 3M Innovative Properties Company Ligand guanidinyl functionalized polymers
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
US8888885B2 (en) 2010-09-07 2014-11-18 Cummins Filtration Ip Inc. Filter and filter media having reduced restriction
US8852310B2 (en) 2010-09-07 2014-10-07 Cummins Filtration Ip Inc. Filter and filter media having reduced restriction
CN103619435B (zh) * 2010-09-10 2015-07-29 通用电气公司 结合深度过滤器和亚微米过滤器的筒过滤器和ro预处理法
JP2012091165A (ja) * 2010-09-27 2012-05-17 Powrex Corp 粉粒体処理装置
US20120152821A1 (en) 2010-12-17 2012-06-21 Hollingsworth & Vose Company Fine fiber filter media and processes
US10155186B2 (en) 2010-12-17 2018-12-18 Hollingsworth & Vose Company Fine fiber filter media and processes
KR101902225B1 (ko) * 2011-07-08 2018-09-28 이엠디 밀리포어 코포레이션 일회용 생명공학적 공정용의 개선된 심층 필터
WO2013035742A1 (ja) 2011-09-05 2013-03-14 日産化学工業株式会社 精製された珪酸アルカリ水溶液及びシリカゾルの製造方法
CN203225320U (zh) * 2011-11-04 2013-10-02 流体公司 电化学电池系统
WO2013075106A1 (en) * 2011-11-18 2013-05-23 Calgon Carbon Corporation Particulate and other gaseous emissions filter
WO2014081433A1 (en) * 2011-11-21 2014-05-30 Zenpure Corporation Modular stacked disc filter apparatus
JP6258956B2 (ja) * 2012-11-14 2018-01-10 エルテー−フィルターテヒニク ゲゼルシャフト ミット ベシュレンクテル ハフツング フィルタエレメントおよびこの種のフィルタエレメントを有する流体回路
US20140263054A1 (en) * 2013-03-15 2014-09-18 Water Safety Corporation Water Purification System
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
US10376822B2 (en) * 2013-07-19 2019-08-13 Donaldson Company, Inc. Filter element, air cleaner, and methods
US11845019B2 (en) 2013-11-06 2023-12-19 Bl Technologies, Inc. Large format melt-blown depth filter cartridge
US10179426B2 (en) 2013-11-06 2019-01-15 Bl Technologies, Inc. Large format melt-blown depth filter cartridge
WO2015091011A1 (de) * 2013-12-18 2015-06-25 Mann+Hummel Gmbh Filtermedium und filterelement mit einem filtermedium
KR102140264B1 (ko) * 2013-12-20 2020-07-31 주식회사 엘지화학 중공사막
US10653979B2 (en) * 2014-04-10 2020-05-19 Donaldson Company, Inc. Pleated fluid filter element and methods
CN103990337B (zh) * 2014-06-11 2016-04-20 安徽工业大学 一种可同时吸收挥发性有机物并高效捕集细颗粒物的褶式滤筒
US9630132B2 (en) * 2014-07-01 2017-04-25 Caterpillar Inc. Fluid filtering system
DE102015015777A1 (de) * 2015-01-20 2016-07-21 Mann + Hummel Gmbh Filtermedium und Filterelement mit einem Filtermedium
US11266936B2 (en) 2015-04-28 2022-03-08 Bl Technologies, Inc. Melt-blown depth filter element, method and machine of making it
US9908070B2 (en) 2015-11-23 2018-03-06 Pall Corporation Fuel tank inerting prefilter assemblies, devices, and methods of use
KR101774498B1 (ko) * 2016-01-15 2017-09-05 주식회사 동일씨앤이 펠릿 촉매 모듈
JP2019521497A (ja) 2016-07-22 2019-07-25 ナントエナジー，インク． 電気化学セル内の水分及び二酸化炭素管理システム
CA3019358A1 (en) 2016-07-22 2018-01-25 Nantenergy, Inc. Mist elimination system for electrochemical cells
DE102016013166A1 (de) * 2016-11-04 2018-05-09 Hydac Filter Systems Gmbh Filterelement
KR101925106B1 (ko) * 2017-04-11 2018-12-05 주식회사 동일씨앤이 열회수 촉매반응기 및 이를 이용한 아산화질소 및 질소산화물의 동시저감방법
CN115400518B (zh) 2017-09-25 2024-03-26 唐纳森公司 过滤器组件
CN107469487A (zh) * 2017-10-11 2017-12-15 陕西航天西诺美灵电气有限公司 一种空气过滤吸收器
DE102018101804A1 (de) 2018-01-26 2019-08-01 Sartorius Stedim Biotech Gmbh Filtermodul
CN112105437B (zh) * 2018-05-03 2022-06-07 康明斯过滤Ip公司 具有包括纳米纤维的多种纤维结构的复合过滤器介质
CN112805868A (zh) 2018-06-29 2021-05-14 福恩能源公司 金属空气电化学电池构架
US12237548B2 (en) 2018-06-29 2025-02-25 Form Energy, Inc. Stack of electric batteries including series of fluidly connected unit cells
US10960335B2 (en) * 2018-10-24 2021-03-30 Pall Corporation Support and drainage material, filter, and method of use
US10617978B1 (en) * 2018-10-24 2020-04-14 Pall Corporation Support and drainage material, filter, and method of use
TW202031958A (zh) 2018-12-05 2020-09-01 奧地利商蘭仁股份有限公司 生產管狀纖維素紡黏不織布的方法和裝置
JP7640464B2 (ja) 2019-03-27 2025-03-05 ドナルドソン カンパニー，インコーポレイティド 軸方向に延在する流れ面を有するパーティクルセパレータフィルタ
CN111013239A (zh) * 2019-03-29 2020-04-17 赣州中能实业有限公司 一种n-甲基吡咯烷酮纯化用分子筛处理器
EP3962924A1 (en) * 2019-05-03 2022-03-09 Genentech, Inc. Methods of reducing the enzymatic hydrolysis activity rate in a composition obtained from a purification platform
US12308414B2 (en) 2019-06-28 2025-05-20 Form Energy, Inc. Device architectures for metal-air batteries
KR20210032730A (ko) * 2019-09-17 2021-03-25 코웨이 주식회사 튜브형상의 절곡형 필터부재
WO2021061521A1 (en) 2019-09-27 2021-04-01 Parker-Hannifin Corporation Star pleating with inside out flow having water drainage through the center
US12381244B2 (en) 2020-05-06 2025-08-05 Form Energy, Inc. Decoupled electrode electrochemical energy storage system
CN111841200A (zh) * 2020-07-24 2020-10-30 珠海格力电器股份有限公司 过滤网
CN114130128B (zh) * 2020-09-02 2023-05-02 杭州科百特科技有限公司 一种空气过滤器
US11946396B2 (en) * 2020-09-09 2024-04-02 Lubrication Technologies, Inc. Liquid filter arrangement for no-mess liquid change
CN113082921A (zh) * 2021-04-07 2021-07-09 广东言铝铝业有限公司 一种用于处理熔铝炉烟尘的除尘设备
CN115382397B (zh) * 2022-08-22 2024-07-02 国能龙源环保南京有限公司 中空纤维膜组件以及使用方法
GB202311253D0 (en) 2023-07-21 2023-09-06 Astrea Uk Services Ltd Radial flow separation device
EP4591969A1 (en) * 2024-01-29 2025-07-30 MANN+HUMMEL GmbH Membrane element for humidifier and humidifier
CN120440994A (zh) * 2025-05-26 2025-08-08 北京华金盛科技有限公司 多层复合式中央净水滤芯

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505794A (en) * 1968-05-29 1970-04-14 Air Inc Van Air filter

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1265089A (enExample) 1969-12-10 1972-03-01
US4089783A (en) 1974-02-08 1978-05-16 Crosland Filters Limited Filter
GR60807B (en) * 1976-04-05 1978-08-30 Process Scient Innovation Ltd Improvements in or relating to filters for liquids or gases
US4130487A (en) 1976-04-05 1978-12-19 Process Scientific Innovations Ltd. Filters for liquids or gases
CA1148872A (en) 1979-04-06 1983-06-28 Eugene A. Ostreicher Filter with inorganic cationic colloidal silica
US4288462A (en) * 1980-02-04 1981-09-08 Amf Incorporated Method for removing cationic contaminants from beverages
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
US5059654A (en) * 1983-02-14 1991-10-22 Cuno Inc. Affinity matrices of modified polysaccharide supports
DE3329385A1 (de) 1983-08-13 1985-02-28 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Asbestfreie filterschicht
US5336742A (en) * 1987-03-13 1994-08-09 Minnesota Mining And Manufacturing Company Polymeric supports
US5292840A (en) * 1987-03-13 1994-03-08 Minnesota Mining And Manufacturing Company Polymeric supports
US4871824A (en) * 1987-03-13 1989-10-03 Minnesota Mining And Manufacturing Company Variably crosslinked polymeric supports
US4737560A (en) * 1987-03-13 1988-04-12 Minnesota Mining And Manufacturing Company Polymer beads
US4878929A (en) * 1989-02-01 1989-11-07 Nelson Industries Inc. Liquid-gas separator
US5085784A (en) 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
EP0465424B1 (de) 1990-07-05 1994-12-07 Filtrox-Werk AG Tiefbettfilter, Verfahren zur Herstellung einer Filterschicht und Filtermodul
GB9019855D0 (en) * 1990-09-11 1990-10-24 Pall Corp Depth filter media
US5200471A (en) * 1990-11-05 1993-04-06 Minnesota Mining And Manufacturing Company Biomolecules covalently immobilized with a high bound specific biological activity and method of preparing same
JPH04225806A (ja) * 1990-12-27 1992-08-14 Kanebo Ltd 二重構造フィルタ容器
US5993935A (en) * 1991-10-11 1999-11-30 3M Innovative Properties Company Covalently reactive particles incorporated in a continous porous matrix
US5543047A (en) 1992-11-06 1996-08-06 Pall Corporation Filter with over-laid pleats in intimate contact
WO1994022918A1 (en) * 1993-03-29 1994-10-13 Minnesota Mining And Manufacturing Company Method of coupling ligands within porous supports (p.e. azlactone) and uses thereof
DE69404848T2 (de) * 1993-08-13 1998-03-19 Minnesota Mining & Mfg Filterpatrone mit darauf angeordneten unlöslichen enzympartikeln
DE4343226A1 (de) * 1993-12-17 1995-06-22 Schenk Filterbau Gmbh Tiefenfilter zur Abtötung von Mikroorganismen und Inaktivierung von Viren und dessen Anwendung
JPH09508823A (ja) * 1994-01-10 1997-09-09 ヒマシュア，インコーポレイテッド 血液からの白血球及びウイルス不活性化作用物質の除去装置とプロセス
US5651900A (en) * 1994-03-07 1997-07-29 The Regents Of The University Of California Microfabricated particle filter
US5468847A (en) * 1994-03-10 1995-11-21 Minnesota Mining And Manufacturing Company Method of isolating and purifying a biomacromolecule
US5561097A (en) * 1994-04-28 1996-10-01 Minnesota Mining And Manufacturing Company Method of controlling density of ligand coupled onto supports and products produced therefrom
US5510421A (en) * 1994-05-26 1996-04-23 Minnesota Mining And Manufacturing Company Azlactone-functional membranes and methods of preparing and using same
US6171684B1 (en) * 1995-11-17 2001-01-09 Donaldson Company, Inc. Filter material construction and method
BR9806721A (pt) 1997-01-20 2000-04-04 Cuno Inc Aparelho e método compreendendo etapas para formação de cartuchos de filtro pregueado helicoidal
US6524488B1 (en) * 1998-06-18 2003-02-25 3M Innovative Properties Company Method of filtering certain particles from a fluid using a depth loading filtration media
JPH11226337A (ja) * 1998-02-13 1999-08-24 Unitika Ltd フィルター用活性炭繊維シート
DE69940137D1 (de) 1998-05-08 2009-02-05 Toyo Boseki Blattförmiges Adsorptionsmittel für Gase und Luftreinigungsfilter
US6908553B1 (en) * 1998-07-08 2005-06-21 Baxter International Inc. Composite membrane with particulate matter substantially immobilized therein
US6712966B1 (en) 1999-02-04 2004-03-30 Cuno Incorporated Graded particle-size retention filter medium for cell-type filter unit
EP1140319B1 (en) 1999-01-07 2005-06-29 Cuno Incorporated Pleated filter element and method of forming a pleated filter element
US6379952B1 (en) * 1999-02-01 2002-04-30 3M Innovative Properties Company Method for cell selection utilizing azlactone-functional supports
CA2385319A1 (en) * 1999-09-22 2001-03-29 Pall Corporation Filter elements and filtering methods
US6673136B2 (en) * 2000-09-05 2004-01-06 Donaldson Company, Inc. Air filtration arrangements having fluted media constructions and methods
WO2002022230A2 (en) 2000-09-15 2002-03-21 Cuno Incorporated Spiral pleated filter cartridges
US6585792B2 (en) * 2001-02-20 2003-07-01 Donaldson Company, Inc. Air filtering system having easily removable and replaceable filter element, and methods
US6787635B2 (en) * 2001-04-05 2004-09-07 3M Innovative Properties Company Solid phase synthesis supports and methods
US6835311B2 (en) * 2002-01-31 2004-12-28 Koslow Technologies Corporation Microporous filter media, filtration systems containing same, and methods of making and using
WO2003070351A1 (en) * 2002-02-15 2003-08-28 Cuno Incorporated System for monitoring the performance of fluid treatment cartridges
BR0308964B1 (pt) * 2002-04-19 2014-04-15 3M Innovative Properties Co Cartucho de filtro encapsulado
US7214436B2 (en) * 2002-05-28 2007-05-08 Sony Corporation Magnetic recording medium and process for producing same
AU2003275175A1 (en) * 2002-09-26 2004-04-19 3M Innovative Properties Company Filterement including filtration media with multi-layer pleat support
CA2500466C (en) * 2002-10-01 2013-02-26 Dow Corning Corporation Method of separating components in a sample using silane-treated silica filter media
US7264728B2 (en) * 2002-10-01 2007-09-04 Dow Corning Corporation Method of separating components in a sample using silane-treated silica filter media
US20050132682A1 (en) * 2003-12-23 2005-06-23 Paul C. T. Binderless glass composite filter
US7501003B2 (en) * 2004-03-02 2009-03-10 Gore Enterprise Holdings Composite filter media
US7098253B2 (en) * 2004-05-20 2006-08-29 3M Innovative Properties Company Macroporous ion exchange resins
US7556858B2 (en) * 2004-09-30 2009-07-07 3M Innovative Properties Company Substrate with attached dendrimers
KR20070057266A (ko) * 2004-10-01 2007-06-04 쓰리엠 이노베이티브 프로퍼티즈 컴파니 복합 여과 제품
US8021457B2 (en) * 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
US7683100B2 (en) * 2005-12-21 2010-03-23 3M Innovative Properties Company Method of making macroporous cation exchange resins
US7674835B2 (en) * 2005-12-21 2010-03-09 3M Innovative Properties Company Method of making macroporous anion exchange resins
US7674836B2 (en) * 2006-07-28 2010-03-09 3M Innovative Properties Company Method of making macroporous cation exchange resins

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505794A (en) * 1968-05-29 1970-04-14 Air Inc Van Air filter

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BRPI0518130A (pt) 2008-10-28
US20100089819A1 (en) 2010-04-15
WO2006044532A1 (en) 2006-04-27
JP2008516753A (ja) 2008-05-22
CN101039734A (zh) 2007-09-19
US20060107639A1 (en) 2006-05-25
EP1807171A1 (en) 2007-07-18
US7645312B2 (en) 2010-01-12
AU2005295757A1 (en) 2006-04-27

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