JP2002519483A5 - - Google Patents

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Publication number
JP2002519483A5
JP2002519483A5 JP2000558137A JP2000558137A JP2002519483A5 JP 2002519483 A5 JP2002519483 A5 JP 2002519483A5 JP 2000558137 A JP2000558137 A JP 2000558137A JP 2000558137 A JP2000558137 A JP 2000558137A JP 2002519483 A5 JP2002519483 A5 JP 2002519483A5
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JP
Japan
Prior art keywords
electret
article
fluorinated
ratio
polymeric
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
Application number
JP2000558137A
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English (en)
Japanese (ja)
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JP2002519483A (ja
JP4440470B2 (ja
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Priority claimed from US09/109,497 external-priority patent/US6432175B1/en
Application filed filed Critical
Publication of JP2002519483A publication Critical patent/JP2002519483A/ja
Publication of JP2002519483A5 publication Critical patent/JP2002519483A5/ja
Application granted granted Critical
Publication of JP4440470B2 publication Critical patent/JP4440470B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2000558137A 1998-07-02 1999-06-21 フッ素化エレクトレット Expired - Fee Related JP4440470B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/109,497 1998-07-02
US09/109,497 US6432175B1 (en) 1998-07-02 1998-07-02 Fluorinated electret
PCT/US1999/013917 WO2000001737A1 (en) 1998-07-02 1999-06-21 Fluorinated electret

Publications (3)

Publication Number Publication Date
JP2002519483A JP2002519483A (ja) 2002-07-02
JP2002519483A5 true JP2002519483A5 (https=) 2006-08-10
JP4440470B2 JP4440470B2 (ja) 2010-03-24

Family

ID=22327974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000558137A Expired - Fee Related JP4440470B2 (ja) 1998-07-02 1999-06-21 フッ素化エレクトレット

Country Status (10)

Country Link
US (8) US6432175B1 (https=)
EP (1) EP1093474B1 (https=)
JP (1) JP4440470B2 (https=)
KR (1) KR100617428B1 (https=)
AU (1) AU750831B2 (https=)
BR (1) BR9911728B1 (https=)
CA (1) CA2334806A1 (https=)
DE (1) DE69920227T2 (https=)
ES (1) ES2228063T3 (https=)
WO (1) WO2000001737A1 (https=)

Families Citing this family (164)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6432175B1 (en) 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6103181A (en) * 1999-02-17 2000-08-15 Filtrona International Limited Method and apparatus for spinning a web of mixed fibers, and products produced therefrom
US6406657B1 (en) * 1999-10-08 2002-06-18 3M Innovative Properties Company Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
US6375886B1 (en) * 1999-10-08 2002-04-23 3M Innovative Properties Company Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
AU2001237000A1 (en) 2000-02-15 2001-08-27 Hollingsworth And Vose Company Melt blown composite hepa filter media and vacuum bag
US6743464B1 (en) * 2000-04-13 2004-06-01 3M Innovative Properties Company Method of making electrets through vapor condensation
US6419871B1 (en) * 2000-05-25 2002-07-16 Transweb, Llc. Plasma treatment of filter media
US7270693B2 (en) 2000-09-05 2007-09-18 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6743273B2 (en) 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6740142B2 (en) 2000-09-05 2004-05-25 Donaldson Company, Inc. Industrial bag house elements
US20020092423A1 (en) 2000-09-05 2002-07-18 Gillingham Gary R. Methods for filtering air for a gas turbine system
US7115150B2 (en) 2000-09-05 2006-10-03 Donaldson Company, Inc. Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method
US6800117B2 (en) 2000-09-05 2004-10-05 Donaldson Company, Inc. Filtration arrangement utilizing pleated construction and method
US6673136B2 (en) 2000-09-05 2004-01-06 Donaldson Company, Inc. Air filtration arrangements having fluted media constructions and methods
US6802315B2 (en) 2001-03-21 2004-10-12 Hollingsorth & Vose Company Vapor deposition treated electret filter media
JP2004535279A (ja) * 2001-04-24 2004-11-25 ラーシュ，ウルリッチ 吸気エアフィルター
RU2300543C2 (ru) 2001-05-31 2007-06-10 Дональдсон Компани, Инк. Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала
US6969484B2 (en) 2001-06-18 2005-11-29 Toray Industries, Inc. Manufacturing method and device for electret processed product
US20030049294A1 (en) * 2001-09-07 2003-03-13 Jose Porchia Film material
US6846449B2 (en) * 2001-09-07 2005-01-25 S. C. Johnson Home Storage, Inc. Method of producing an electrically charged film
US6899931B2 (en) * 2001-09-07 2005-05-31 S. C. Johnson Home Storage, Inc. Film material
US20030049410A1 (en) * 2001-09-07 2003-03-13 Munagavalasa Murthy S. Film material and method of dispensing a volatile substance
US7887889B2 (en) 2001-12-14 2011-02-15 3M Innovative Properties Company Plasma fluorination treatment of porous materials
JP4352302B2 (ja) * 2002-01-29 2009-10-28 東洋紡績株式会社 エレクトレット濾材およびその製造方法
US6827764B2 (en) 2002-07-25 2004-12-07 3M Innovative Properties Company Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers
US20040202820A1 (en) * 2002-08-30 2004-10-14 3M Innovative Properties Company Perforated electret articles and method of making the same
US20040043248A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Phosphorescent elecret films and methods of making the same
EP1540678A2 (en) * 2002-08-30 2005-06-15 3M Innovative Properties Company Method of making writable erasable articles and articles therefrom
US20040043221A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Method of adhering a film and articles therefrom
US6805048B2 (en) 2002-08-30 2004-10-19 3M Innovative Properties Company Method of marking a substrate using an electret stencil
US20040040652A1 (en) * 2002-08-30 2004-03-04 3M Innovative Properties Company Methods for electrostatically adhering an article to a substrate
KR101160691B1 (ko) * 2002-09-16 2012-06-28 트리오신 홀딩 아이엔씨 활성화제가 혼입된 정전기적으로 하전된 필터 매질
US6874499B2 (en) * 2002-09-23 2005-04-05 3M Innovative Properties Company Filter element that has a thermo-formed housing around filter material
US20050000642A1 (en) * 2003-07-03 2005-01-06 3M Innovative Properties Company Cling articles
US20050006303A1 (en) * 2003-07-11 2005-01-13 Sanders Robert G. Atmospheric plasma treatment of meltblown fibers used in filtration
ATE530203T1 (de) 2003-07-18 2011-11-15 David Richard Hallam Luftreinigungsvorrichtung
CN101791153A (zh) * 2004-01-13 2010-08-04 黄重德 个人用吸入过滤器
US20050161046A1 (en) * 2004-01-22 2005-07-28 Michaels Robert C. Personal air purifier
US20050217226A1 (en) * 2004-04-05 2005-10-06 3M Innovative Properties Company Pleated aligned web filter
US6858297B1 (en) 2004-04-05 2005-02-22 3M Innovative Properties Company Aligned fiber web
US20060021302A1 (en) * 2004-07-30 2006-02-02 Bernard Bobby L Anti-microbial air filter
US7320722B2 (en) * 2004-10-29 2008-01-22 3M Innovative Properties Company Respiratory protection device that has rapid threaded clean air source attachment
US7419526B2 (en) * 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
EP1888201A2 (en) * 2005-03-07 2008-02-20 3M Innovative Properties Company Vehicle passenger compartment air filter devices
EP1874430B1 (en) * 2005-04-22 2008-11-12 3M Innovative Properties Company Vehicle passenger compartment air filter devices
US7244292B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having heteroatoms and low fluorosaturation ratio
US7244291B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having high fluorosaturation ratio
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
US7674425B2 (en) * 2005-11-14 2010-03-09 Fleetguard, Inc. Variable coalescer
US7959714B2 (en) 2007-11-15 2011-06-14 Cummins Filtration Ip, Inc. Authorized filter servicing and replacement
US7828869B1 (en) 2005-09-20 2010-11-09 Cummins Filtration Ip, Inc. Space-effective filter element
US8114183B2 (en) * 2005-09-20 2012-02-14 Cummins Filtration Ip Inc. Space optimized coalescer
US20070062886A1 (en) * 2005-09-20 2007-03-22 Rego Eric J Reduced pressure drop coalescer
JP2009512578A (ja) * 2005-10-19 2009-03-26 スリーエム イノベイティブ プロパティズ カンパニー 音響吸収特性を有する多層物品、並びにその製造および使用方法
US8231752B2 (en) * 2005-11-14 2012-07-31 Cummins Filtration Ip Inc. Method and apparatus for making filter element, including multi-characteristic filter element
US7976662B2 (en) * 2005-12-15 2011-07-12 Kimberly-Clark Worldwide, Inc. Laminate containing a fluorinated nonwoven web
US7503326B2 (en) 2005-12-22 2009-03-17 3M Innovative Properties Company Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap
US7390351B2 (en) 2006-02-09 2008-06-24 3M Innovative Properties Company Electrets and compounds useful in electrets
US9770058B2 (en) 2006-07-17 2017-09-26 3M Innovative Properties Company Flat-fold respirator with monocomponent filtration/stiffening monolayer
US7902096B2 (en) * 2006-07-31 2011-03-08 3M Innovative Properties Company Monocomponent monolayer meltblown web and meltblowing apparatus
US7905973B2 (en) * 2006-07-31 2011-03-15 3M Innovative Properties Company Molded monocomponent monolayer respirator
US7858163B2 (en) * 2006-07-31 2010-12-28 3M Innovative Properties Company Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media
US8029723B2 (en) * 2006-07-31 2011-10-04 3M Innovative Properties Company Method for making shaped filtration articles
US7754041B2 (en) * 2006-07-31 2010-07-13 3M Innovative Properties Company Pleated filter with bimodal monolayer monocomponent media
US7947142B2 (en) * 2006-07-31 2011-05-24 3M Innovative Properties Company Pleated filter with monolayer monocomponent meltspun media
DE102006060932A1 (de) * 2006-12-20 2008-07-03 Carl Freudenberg Kg Temperaturstabile plasmabehandelte Gebilde und Verfahren zu deren Herstellung
US8257459B2 (en) * 2007-02-28 2012-09-04 Hollingsworth & Vose Company Waved filter media and elements
JP5346301B2 (ja) 2007-02-28 2013-11-20 ホリングワース・アンド・ボーズ・カンパニー 波形フィルタ材およびフィルタ要素
US8202340B2 (en) * 2007-02-28 2012-06-19 Hollingsworth & Vose Company Waved filter media and elements
DE102007018937A1 (de) * 2007-04-21 2008-10-23 Helsa-Automotive Gmbh & Co. Kg Elektrostatisch geladenes oder aufladbares Filtermaterial und Verfahren zu dessen Herstellung
US20080271740A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US20080271739A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
US20090000624A1 (en) * 2007-06-28 2009-01-01 3M Innovative Properties Company Respirator having a harness and methods of making and fitting the same
US8070862B2 (en) * 2007-09-04 2011-12-06 3M Innovative Properties Company Dust collection device for sanding tool
CN101801465B (zh) 2007-09-20 2012-07-11 3M创新有限公司 具有可伸展的面罩主体的过滤式面具呼吸器
BRPI0819048C8 (pt) * 2007-12-06 2018-08-07 3M Innovative Properties Co "meio filtrante de eletreto e método de preparo de uma manta de eletreto"
DE102007060515A1 (de) * 2007-12-13 2009-06-18 Christof-Herbert Diener Oberflächenbehandlungsverfahren
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WO2009105406A2 (en) 2008-02-21 2009-08-27 3M Innovative Properties Company Adducts of amines and polycarboxylic acids, and filter media comprising such adducts
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GB0810326D0 (en) * 2008-06-06 2008-07-09 P2I Ltd Filtration media
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US20100154105A1 (en) * 2008-12-24 2010-06-24 Mathis Michael P Treated cuff
WO2010114742A2 (en) 2009-04-03 2010-10-07 3M Innovative Properties Company Electret webs with charge-enhancing additives
KR101679894B1 (ko) 2009-04-03 2016-11-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 일렉트릿 웨브를 포함하는, 올레핀성 웨브를 위한 가공 보조제
US20100252047A1 (en) * 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
MX2012002976A (es) * 2009-09-09 2012-06-14 Sensa Bues Ab Un sistema y un metodo para la deteccion de farmacos en el aliento exhalado.
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US20110078848A1 (en) * 2009-10-05 2011-04-07 Mathis Michael P Treatment of Folded Articles
TWI465118B (zh) 2009-10-22 2014-12-11 Ind Tech Res Inst 駐極體振膜與使用此駐極體振膜的喇叭
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US8840970B2 (en) 2011-01-16 2014-09-23 Sigma Laboratories Of Arizona, Llc Self-assembled functional layers in multilayer structures
WO2012109126A1 (en) 2011-02-08 2012-08-16 Dow Global Technologies Llc System and method for reducing emissions from a combustion process
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US20240115889A1 (en) 2022-10-07 2024-04-11 3M Innovative Properties Company Disposable, Flat-Fold Respirator Having Increased Stiffness in Selected Areas
WO2025202974A1 (en) 2024-03-29 2025-10-02 3M Innovative Properties Company Respirators, respirator materials and methods of manufacturing the same

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994258A (en) 1973-06-01 1976-11-30 Bayer Aktiengesellschaft Apparatus for the production of filters by electrostatic fiber spinning
NL160303C (nl) 1974-03-25 1979-10-15 Verto Nv Werkwijze voor het vervaardigen van een vezelfilter.
GB1527592A (en) 1974-08-05 1978-10-04 Ici Ltd Wound dressing
CA1073648A (en) 1976-08-02 1980-03-18 Edward R. Hauser Web of blended microfibers and crimped bulking fibers
NL181632C (nl) * 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
US4188426A (en) 1977-12-12 1980-02-12 Lord Corporation Cold plasma modification of organic and inorganic surfaces
US4215682A (en) 1978-02-06 1980-08-05 Minnesota Mining And Manufacturing Company Melt-blown fibrous electrets
CA1107950A (en) 1978-08-10 1981-09-01 Anupama Mishra Electret made of branched alpha-olefin polymer
JPS5560947A (en) 1978-10-31 1980-05-08 Toray Ind Inc Fixing method of negative type lithographic printing plate which does not requier dampening water
NL7907539A (nl) 1979-10-11 1981-04-14 Tno Werkwijze voor het vervaardigen van elektreten.
CA1141020A (en) 1979-10-19 1983-02-08 Slawomir W. Sapieha Electrets from plasma polymerized material
US4375718A (en) 1981-03-12 1983-03-08 Surgikos, Inc. Method of making fibrous electrets
US4527218A (en) 1981-06-08 1985-07-02 At&T Bell Laboratories Stable positively charged Teflon electrets
AU565762B2 (en) 1983-02-04 1987-09-24 Minnesota Mining And Manufacturing Company Method and apparatus for manufacturing an electret filter medium
JPS60947A (ja) 1983-06-01 1985-01-07 大日本インキ化学工業株式会社 樹脂製筒状成形物
JPS6015137A (ja) 1983-07-08 1985-01-25 凸版印刷株式会社 角筒状容器の製造方法
JPS60168511A (ja) 1984-02-10 1985-09-02 Japan Vilene Co Ltd エレクトレツトフイルタの製造方法
DE3509857C2 (de) 1984-03-19 1994-04-28 Toyo Boseki Elektretisiertes Staubfilter und dessen Herstellung
JPS60196921A (ja) 1984-03-19 1985-10-05 東洋紡績株式会社 エレクトレツト化材料の製造法
US4874659A (en) 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
GB8612070D0 (en) 1986-05-19 1986-06-25 Brown R C Blended-fibre filter material
US5025052A (en) 1986-09-12 1991-06-18 Minnesota Mining And Manufacturing Company Fluorochemical oxazolidinones
US5099026A (en) 1986-09-12 1992-03-24 Crater Davis H Fluorochemical oxazolidinones
DE3839956C2 (de) 1987-11-28 1998-07-02 Toyo Boseki Elektret-Folie und Verfahren zu ihrer Herstellung
US4874399A (en) 1988-01-25 1989-10-17 Minnesota Mining And Manufacturing Company Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
JPH01232038A (ja) 1988-03-11 1989-09-18 Kuraray Co Ltd エレクトレット化高分子シート状物及びその製造方法
JP2672329B2 (ja) 1988-05-13 1997-11-05 東レ株式会社 エレクトレット材料
JPH05214A (ja) 1990-11-30 1993-01-08 Mitsui Petrochem Ind Ltd エレクトレツトフイルター
US5244780A (en) 1991-05-28 1993-09-14 Minnesota Mining And Manufacturing Company Element having adhesion of gelatin and emulsion coatings to polyester film
JPH07500122A (ja) * 1991-06-14 1995-01-05 ダブリュ．エル．ゴア　アンド　アソシエーツ，インコーポレイティド 表面改質多孔質膨張延伸ポリテトラフルオロエチレンとその製造方法
JPH05253416A (ja) * 1992-03-13 1993-10-05 Mitsui Petrochem Ind Ltd エレクトレットフィルターの製造方法
US5370830A (en) 1992-09-23 1994-12-06 Kimberly-Clark Corporation Hydrosonic process for forming electret filter media
ATE259007T1 (de) 1993-03-09 2004-02-15 Trevira Gmbh Elektretfasern mit verbesserter ladungsstabilität,verfahren zu ihrer herstellung, und textilmaterial enthaltend diese elektretfasern
EP0623941B1 (en) 1993-03-09 1997-08-06 Hoechst Celanese Corporation Polymer electrets with improved charge stability
AU669420B2 (en) 1993-03-26 1996-06-06 Minnesota Mining And Manufacturing Company Oily mist resistant electret filter media
US5643525A (en) 1993-03-26 1997-07-01 E. I. Du Pont De Nemours And Company Process for improving electrostatic charging of plexifilaments
RU2130521C1 (ru) 1993-08-17 1999-05-20 Миннесота Майнинг Энд Мэнюфекчуринг Компани Способ электризации нетканого полотна, электретная фильтрующая среда, упругая фильтрующая маска и респираторная маска в сборе
DE4327595A1 (de) 1993-08-17 1995-02-23 Hoechst Ag Zusammensetzungen mit verbesserten elektrostatischen Eigenschaften enthaltend aromatische Polyamide, daraus hergestellte geformte Gebilde sowie deren Verwendung und Verfahren zu ihrer Herstellung
US5464010A (en) * 1993-09-15 1995-11-07 Minnesota Mining And Manufacturing Company Convenient "drop-down" respirator harness structure and method of use
US5759205A (en) 1994-01-21 1998-06-02 Brown University Research Foundation Negatively charged polymeric electret implant
JPH0857225A (ja) 1994-08-25 1996-03-05 Sekisui Chem Co Ltd フィルターの製造方法
US5675627A (en) * 1994-11-29 1997-10-07 Lucent Technologies Inc. Integrated pager and calling card
US5645627A (en) * 1995-02-28 1997-07-08 Hollingsworth & Vose Company Charge stabilized electret filter media
ZA965786B (en) * 1995-07-19 1997-01-27 Kimberly Clark Co Nonwoven barrier and method of making the same
US5908598A (en) 1995-08-14 1999-06-01 Minnesota Mining And Manufacturing Company Fibrous webs having enhanced electret properties
US5964926A (en) * 1996-12-06 1999-10-12 Kimberly-Clark Worldwide, Inc. Gas born particulate filter and method of making
JP3566477B2 (ja) * 1996-12-26 2004-09-15 興研株式会社 静電フィルター
ES2252840T3 (es) 1997-06-14 2006-05-16 The Secretary Of State For Defence Revestimientos de superficies.
US6068799A (en) 1997-10-01 2000-05-30 3M Innovative Properties Company Method of making electret articles and filters with increased oily mist resistance
US6213122B1 (en) 1997-10-01 2001-04-10 3M Innovative Properties Company Electret fibers and filter webs having a low level of extractable hydrocarbons
US6238466B1 (en) 1997-10-01 2001-05-29 3M Innovative Properties Company Electret articles and filters with increased oily mist resistance
US6432175B1 (en) * 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6123752A (en) * 1998-09-03 2000-09-26 3M Innovative Properties Company High efficiency synthetic filter medium
US6231122B1 (en) * 1999-09-09 2001-05-15 Trek Bicycle Corporation Bicycle saddle
US6375886B1 (en) 1999-10-08 2002-04-23 3M Innovative Properties Company Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
US6406657B1 (en) 1999-10-08 2002-06-18 3M Innovative Properties Company Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
US6454986B1 (en) 1999-10-08 2002-09-24 3M Innovative Properties Company Method of making a fibrous electret web using a nonaqueous polar liquid
US6419871B1 (en) * 2000-05-25 2002-07-16 Transweb, Llc. Plasma treatment of filter media

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