US20090199717A1 - Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods - Google Patents

Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods Download PDF

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Publication number
US20090199717A1
US20090199717A1 US12/271,322 US27132208A US2009199717A1 US 20090199717 A1 US20090199717 A1 US 20090199717A1 US 27132208 A US27132208 A US 27132208A US 2009199717 A1 US2009199717 A1 US 2009199717A1
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US
United States
Prior art keywords
filter media
fine fiber
substrate layer
fiber layer
layer
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.)
Abandoned
Application number
US12/271,322
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English (en)
Inventor
Thomas B. Green
Scotty L. King
Lei Li
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.)
Elmarco sro
Original Assignee
Clarcor Inc
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 Clarcor Inc filed Critical Clarcor Inc
Priority to US12/271,322 priority Critical patent/US20090199717A1/en
Assigned to CLARCOR INC. reassignment CLARCOR INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GREEN, THOMAS B., KING, SCOTTY L., LI, LEI
Publication of US20090199717A1 publication Critical patent/US20090199717A1/en
Priority to US13/954,715 priority patent/US9101860B2/en
Assigned to ELMARCO, INC. reassignment ELMARCO, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CLARCOR INC.
Assigned to CLARCOR INC. reassignment CLARCOR INC. LICENSE (SEE DOCUMENT FOR DETAILS). Assignors: ELMARCO, INC.
Assigned to ELMARCO S.R.O. reassignment ELMARCO S.R.O. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ELMARCO, INC.
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/04—Organic material, e.g. cellulose, cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/762—Nanowire or quantum wire, i.e. axially elongated structure having two dimensions of 100 nm or less
US12/271,322 2007-11-20 2008-11-14 Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods Abandoned US20090199717A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/271,322 US20090199717A1 (en) 2007-11-20 2008-11-14 Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods
US13/954,715 US9101860B2 (en) 2007-11-20 2013-07-30 Filtration medias, fine fibers under 100 nanometers, and methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US98921807P 2007-11-20 2007-11-20
US12/271,322 US20090199717A1 (en) 2007-11-20 2008-11-14 Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/954,715 Division US9101860B2 (en) 2007-11-20 2013-07-30 Filtration medias, fine fibers under 100 nanometers, and methods

Publications (1)

Publication Number Publication Date
US20090199717A1 true US20090199717A1 (en) 2009-08-13

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
US12/271,322 Abandoned US20090199717A1 (en) 2007-11-20 2008-11-14 Filtration Medias, Fine Fibers Under 100 Nanometers, and Methods
US13/954,715 Active US9101860B2 (en) 2007-11-20 2013-07-30 Filtration medias, fine fibers under 100 nanometers, and methods

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/954,715 Active US9101860B2 (en) 2007-11-20 2013-07-30 Filtration medias, fine fibers under 100 nanometers, and methods

Country Status (13)

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US (2) US20090199717A1 (pt)
EP (1) EP2222385B1 (pt)
JP (1) JP5468548B2 (pt)
KR (1) KR101637612B1 (pt)
CN (1) CN101868290A (pt)
AU (1) AU2008326615B2 (pt)
BR (1) BRPI0817217B1 (pt)
CA (1) CA2705557C (pt)
ES (1) ES2592433T3 (pt)
MX (1) MX2010005473A (pt)
MY (1) MY153492A (pt)
PT (1) PT2222385T (pt)
WO (1) WO2009067365A2 (pt)

Cited By (29)

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Publication number Priority date Publication date Assignee Title
US20100181249A1 (en) * 2009-01-22 2010-07-22 Clarcor Air Filtration Products, Inc. Filter Having Melt-Blown and Electrospun Fibers
US20100313757A1 (en) * 2009-06-12 2010-12-16 Clarcor Air Filteration Products, Inc. Air cooling system incorporating membrane-free filter and/or integral framing for filter
US20110146490A1 (en) * 2009-12-18 2011-06-23 Clark Filter, Inc. Air filter with extended life
US20110210081A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Fine fiber liquid particulate filter media
US20110311671A1 (en) * 2008-10-17 2011-12-22 Tong Lin Electrostatic spinning assembly
US20120317940A1 (en) * 2011-05-27 2012-12-20 Claror Air Filtration Products, Inc. Non v-bank filter for animal confinement facility
US20130101477A1 (en) * 2011-06-30 2013-04-25 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
CN103180887A (zh) * 2010-07-22 2013-06-26 克拉克空气过滤产品有限公司 结合有防水过滤器的自助式服务终端机
WO2013112793A1 (en) 2012-01-27 2013-08-01 Zeus Industrial Products, Inc. Electrospun porous media
US20140073235A1 (en) * 2011-05-26 2014-03-13 Huawei Technologies Co., Ltd. Free Cooling System Apparatus and Communication Equipment
US20140250846A1 (en) * 2013-02-26 2014-09-11 Research Triangle Institute Curved nanofiber products and applications thereof
WO2015016449A1 (ko) * 2013-08-01 2015-02-05 (주)에프티이앤이 내열성이 향상된 다층 나노섬유 필터 및 이의 제조방법
US9034068B2 (en) 2012-06-05 2015-05-19 Clarcor Air Filtration Products, Inc. Box filter with orientation device
KR101527499B1 (ko) * 2013-08-01 2015-06-09 (주)에프티이앤이 폴리비닐리덴 플루오라이드 나노섬유와 이성분 기재를 포함하는 필터 및 이의 제조방법
KR101527500B1 (ko) * 2013-10-07 2015-06-10 (주)에프티이앤이 나일론 나노섬유와 이성분 기재를 포함하는 필터 및 이의 제조방법
US9623352B2 (en) 2010-08-10 2017-04-18 Emd Millipore Corporation Method for retrovirus removal
US9687766B2 (en) 2011-05-27 2017-06-27 Clarcor Air Filtration Products, Inc. Collapsible and/or assembled filter housing and filter used therewith
US9750829B2 (en) 2009-03-19 2017-09-05 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US9802187B2 (en) 2011-06-30 2017-10-31 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
US20190345638A1 (en) * 2017-01-06 2019-11-14 Sabic Global Technologies B.V. Apparatus for electrospinning liquid polymer into nanoscale or submicron scale fibers
US10675588B2 (en) 2015-04-17 2020-06-09 Emd Millipore Corporation Method of purifying a biological material of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode
US10675575B2 (en) 2015-08-19 2020-06-09 Mann+Hummel Gmbh Method for producing a filter medium, and a filter medium
WO2020223638A1 (en) 2019-05-01 2020-11-05 Ascend Performance Materials Operations Llc Filter media comprising polyamide nanofiber layer
US11090589B2 (en) 2016-02-19 2021-08-17 Vishal Bansal Stretchable laminated filter material and protective article
US11111614B2 (en) 2018-06-08 2021-09-07 Ascend Performance Materials Operations Llc Method for tuning characteristics of a polyamide nanofiber nonwoven
US11154821B2 (en) 2011-04-01 2021-10-26 Emd Millipore Corporation Nanofiber containing composite membrane structures
US11583797B2 (en) * 2018-01-04 2023-02-21 Nxtnano, Llc Dual density nanofiber media
US11618238B2 (en) 2019-04-12 2023-04-04 Ascend Performance Materials Operations Llc Nonwoven multilayer structures having nanofiber layers
WO2023200950A1 (en) * 2022-04-14 2023-10-19 Hollingsworth & Vose Company Filter media including fibers comprising polyvinylidene fluoride and/or a copolymer thereof, and related methods

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8236082B2 (en) 2009-06-19 2012-08-07 Hollingsworth & Vose Company Flutable fiber webs with high dust holding capacity
JP5564220B2 (ja) * 2009-09-04 2014-07-30 株式会社Ｓｎｔ 三次元構造体を含む複合構造体および該構造体を使用したフィルタ
TWI406982B (zh) * 2010-06-30 2013-09-01 Taiwan Textile Res Inst 滾筒式電紡設備
CZ306438B6 (cs) 2011-04-12 2017-01-25 Elmarco S.R.O. Způsob a zařízení pro nanášení kapalné polymerní matrice na zvlákňovací struny
DE102011109767A1 (de) * 2011-08-09 2013-02-14 Mann + Hummel Gmbh Verfahren zur Herstellung von Polyamid-Nanofasern mittels Elektrospinnen, Polyamid-Nanofasern, ein Filtermedium mit Polyamid-Nanofasern sowie ein Filterelement mit ei-nem solchen Filtermedium
CN102995294B (zh) * 2012-12-13 2015-04-29 武汉纺织大学 一种抗静电针刺非织造布的制造方法
CN103015034B (zh) * 2012-12-13 2015-07-29 武汉纺织大学 一种抗静电汽车内饰非织造布的制造方法
CN105103654B (zh) 2013-02-14 2017-06-23 纳米帕雷尔股份有限公司 纳米纤维混合毛毡
CZ307624B6 (cs) * 2013-05-10 2019-01-23 Technická univerzita v Liberci Kompozitní materiál pro filtraci spalin a způsob vytvoření tohoto materiálu
US10106452B2 (en) 2014-02-14 2018-10-23 Superior Fibers, Llc System and method of continuous glass filament manufacture
US9446978B2 (en) 2014-02-14 2016-09-20 Charles Douglas Spitler System and method for continuous strand fiberglass media processing
US10351462B1 (en) 2014-02-14 2019-07-16 Superior Fibers, Llc Method of manufacturing fiberglass filtration media
US20160166959A1 (en) * 2014-12-12 2016-06-16 The Board Of Trustees Of The Leland Stanford Junior University Air filter for high-efficiency pm2.5 capture
DE102015002672A1 (de) * 2015-03-03 2016-09-08 Mann + Hummel Gmbh Filtermedium und Filterelement mit einem Filtermedium
EP3274279A4 (en) 2015-03-27 2018-11-14 Charles Douglas Spitler Skin stiffness characteristics and loft control production system and method with variable moisture content in input fiberglass
CN107530606A (zh) 2015-05-11 2018-01-02 查尔斯·道格拉斯·斯皮特勒 玻璃纤维空气过滤介质的制备
KR102374645B1 (ko) * 2015-08-22 2022-03-15 알스트롬-문크스죄 오와이제이 물-탄화수소 에멀션으로부터 물을 제거하기 위한 효율이 개선된 연료 물 분리 필터 매체
EP3976864A4 (en) * 2019-05-30 2023-09-06 Skinner, Jack, L. DEVICE FOR MANUFACTURING POLYMERIC MATERIALS USING GAS FLOW AND ELECTROSTATIC FIELDS
WO2022022453A1 (en) * 2020-07-29 2022-02-03 The University Of Hong Kong Reusable nanocomposite porous filter for highly efficient air filtration
CN117337207A (zh) * 2021-06-09 2024-01-02 纳诺史德斯科技有限公司 用基于聚合物的材料制成的防护遮罩

Citations (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1975504A (en) * 1929-12-07 1934-10-02 Richard Schreiber Gastell Process and apparatus for preparing artificial threads
US3994258A (en) * 1973-06-01 1976-11-30 Bayer Aktiengesellschaft Apparatus for the production of filters by electrostatic fiber spinning
US4144553A (en) * 1976-05-08 1979-03-13 Firma Carl Freudenberg Apparatus for electrodynamic spraying
US4230650A (en) * 1973-08-16 1980-10-28 Battelle Memorial Institute Process for the manufacture of a plurality of filaments
US4650506A (en) * 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
US4759782A (en) * 1985-07-05 1988-07-26 Pall Corporation Coalescing filter for removal of liquid aerosols from gaseous streams
US5672399A (en) * 1995-11-17 1997-09-30 Donaldson Company, Inc. Filter material construction and method
US5782944A (en) * 1997-03-18 1998-07-21 Purolator Products Air Filtration Company Moisture resistant air filter
US6171684B1 (en) * 1995-11-17 2001-01-09 Donaldson Company, Inc. Filter material construction and method
US20030106294A1 (en) * 2000-09-05 2003-06-12 Chung Hoo Y. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6604925B1 (en) * 1996-12-11 2003-08-12 Nicast Ltd. Device for forming a filtering material
US6641773B2 (en) * 2001-01-10 2003-11-04 The United States Of America As Represented By The Secretary Of The Army Electro spinning of submicron diameter polymer filaments
US6673136B2 (en) * 2000-09-05 2004-01-06 Donaldson Company, Inc. Air filtration arrangements having fluted media constructions and methods
US6709480B2 (en) * 1999-07-15 2004-03-23 3M Innovative Properties Company Self-supporting pleated filter
US20040116028A1 (en) * 2002-09-17 2004-06-17 Bryner Michael Allen Extremely high liquid barrier fabrics
US20040255783A1 (en) * 2003-06-19 2004-12-23 Graham Kristine M. Cleanable high efficiency filter media structure and applications for use
US20050163955A1 (en) * 2002-08-20 2005-07-28 Donaldson Company, Inc. Fiber containing filter media
US20050193696A1 (en) * 2004-03-02 2005-09-08 Muller Jason W. Composite filter media
US20050235619A1 (en) * 2002-05-28 2005-10-27 Beate Heinz Filter medium
US7029620B2 (en) * 2000-11-27 2006-04-18 The Procter & Gamble Company Electro-spinning process for making starch filaments for flexible structure
US7134857B2 (en) * 2004-04-08 2006-11-14 Research Triangle Institute Electrospinning of fibers using a rotatable spray head
US20060290031A1 (en) * 2003-09-08 2006-12-28 Oldrich Jirsak Method of nanofibres production from a polymer solution using electrostatic spinning and a device for carrying out the method
US20070021021A1 (en) * 2003-07-30 2007-01-25 Fleetguard, Inc. High performance filter media with internal nanofiber structure and manufacturing methodology
US20070062855A1 (en) * 2005-09-15 2007-03-22 Chase George G Method and apparatus for removal of water and/or water-based compounds from organic liquids or vice-versa
US20070163217A1 (en) * 2006-01-17 2007-07-19 Cornell Research Foundation, Inc. Cellulosic/polyamide composite
US20070294988A1 (en) * 2006-06-22 2007-12-27 Clarcor Air Filtration Products, Inc. Panel filter with frame
US20080017038A1 (en) * 2006-07-21 2008-01-24 3M Innovative Properties Company High efficiency hvac filter

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1346231A (en) 1970-06-29 1974-02-06 Bayer Ag Filter made of electrostatically spun fibres
EP0162645A1 (en) 1984-05-11 1985-11-27 Masami Harada Carbon-fiber-covered material
DE19919809C2 (de) * 1999-04-30 2003-02-06 Fibermark Gessner Gmbh & Co Staubfilterbeutel, enthaltend Nanofaservlies
IL132945A0 (en) 1999-06-07 2001-03-19 Nicast Ltd Filtering material and device and method of its manufacture
US6746517B2 (en) 2000-09-05 2004-06-08 Donaldson Company, Inc. Filter structure with two or more layers of fine fiber having extended useful service life
US6740142B2 (en) * 2000-09-05 2004-05-25 Donaldson Company, Inc. Industrial bag house elements
DE10136256B4 (de) 2001-07-25 2005-03-31 Helsa-Werke Gmbh & Co. Kg Vorrichtung zur Herstellung von Fasern in einem elektrostatischen Spinnverfahren
US20050048274A1 (en) * 2003-08-26 2005-03-03 Rabolt John F. Production of nanowebs by an electrostatic spinning apparatus and method
KR100578764B1 (ko) 2004-03-23 2006-05-11 김학용 상향식 전기방사장치 및 이를 이용하여 제조된 나노섬유
WO2007001405A2 (en) * 2004-10-06 2007-01-04 Research Foundation Of Suny High flux and low fouling filtration media
US7390760B1 (en) * 2004-11-02 2008-06-24 Kimberly-Clark Worldwide, Inc. Composite nanofiber materials and methods for making same
CZ2005226A3 (cs) 2005-04-11 2006-11-15 Elmarco, S. R. O. Vrstvená zvukove pohltivá netkaná textilie
CZ300797B6 (cs) 2005-04-11 2009-08-12 Elmarco, S. R. O. Textilie obsahující alespon jednu vrstvu polymerních nanovláken a zpusob výroby vrstvy polymerních nanovláken z roztoku polymeru elektrostatickým zvláknováním
KR100635280B1 (ko) * 2005-04-27 2006-10-19 삼성전자주식회사 전자 서명을 이용한 보안 방법
US7799262B1 (en) * 2005-05-02 2010-09-21 Industrial Cooperation Foundation Chonbuk National University Method of manufacturing a continuous filament by electrospinning
CZ299537B6 (cs) * 2005-06-07 2008-08-27 Elmarco, S. R. O. Zpusob a zarízení k výrobe nanovláken z polymerního roztoku elektrostatickým zvláknováním
JP4787585B2 (ja) * 2005-09-29 2011-10-05 帝人株式会社 静電紡糸法による繊維構造体の製造方法
CZ305244B6 (cs) 2005-11-10 2015-07-01 Elmarco S.R.O. Způsob a zařízení k výrobě nanovláken elektrostatickým zvlákňováním roztoků nebo tavenin polymerů
CZ2005700A3 (cs) 2005-11-10 2007-03-07 Elmarco, S. R. O. Filtr pro odstranování fyzikálních a/nebo biologických necistot
JP4777760B2 (ja) * 2005-12-01 2011-09-21 株式会社Ｓｎｔ 網目状構造体を含む複合構造体
DE602007013550D1 (de) * 2006-02-13 2011-05-12 Donaldson Co Inc Filtergewebe, das feine fasern und reaktive, adsor
CZ299549B6 (cs) 2006-09-04 2008-08-27 Elmarco, S. R. O. Rotacní zvláknovací elektroda
US7815427B2 (en) 2007-11-20 2010-10-19 Clarcor, Inc. Apparatus and method for reducing solvent loss for electro-spinning of fine fibers
US7967588B2 (en) 2007-11-20 2011-06-28 Clarcor Inc. Fine fiber electro-spinning equipment, filter media systems and methods
US8172092B2 (en) 2009-01-22 2012-05-08 Clarcor Inc. Filter having melt-blown and electrospun fibers

Patent Citations (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1975504A (en) * 1929-12-07 1934-10-02 Richard Schreiber Gastell Process and apparatus for preparing artificial threads
US3994258A (en) * 1973-06-01 1976-11-30 Bayer Aktiengesellschaft Apparatus for the production of filters by electrostatic fiber spinning
US4230650A (en) * 1973-08-16 1980-10-28 Battelle Memorial Institute Process for the manufacture of a plurality of filaments
US4144553A (en) * 1976-05-08 1979-03-13 Firma Carl Freudenberg Apparatus for electrodynamic spraying
US4759782A (en) * 1985-07-05 1988-07-26 Pall Corporation Coalescing filter for removal of liquid aerosols from gaseous streams
US4650506A (en) * 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
US5672399A (en) * 1995-11-17 1997-09-30 Donaldson Company, Inc. Filter material construction and method
US6171684B1 (en) * 1995-11-17 2001-01-09 Donaldson Company, Inc. Filter material construction and method
US6604925B1 (en) * 1996-12-11 2003-08-12 Nicast Ltd. Device for forming a filtering material
US5782944A (en) * 1997-03-18 1998-07-21 Purolator Products Air Filtration Company Moisture resistant air filter
US6709480B2 (en) * 1999-07-15 2004-03-23 3M Innovative Properties Company Self-supporting pleated filter
US6743273B2 (en) * 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US20030106294A1 (en) * 2000-09-05 2003-06-12 Chung Hoo Y. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6673136B2 (en) * 2000-09-05 2004-01-06 Donaldson Company, Inc. Air filtration arrangements having fluted media constructions and methods
US7318852B2 (en) * 2000-09-05 2008-01-15 Donaldson Company, Inc. Bag house filter with fine fiber and spun bonded media
US7029620B2 (en) * 2000-11-27 2006-04-18 The Procter & Gamble Company Electro-spinning process for making starch filaments for flexible structure
US7086846B2 (en) * 2001-01-10 2006-08-08 The United States Of America As Represented By The Secretary Of The Army Electro spinning of submicron diameter polymer filaments
US6641773B2 (en) * 2001-01-10 2003-11-04 The United States Of America As Represented By The Secretary Of The Army Electro spinning of submicron diameter polymer filaments
US20050235619A1 (en) * 2002-05-28 2005-10-27 Beate Heinz Filter medium
US20050163955A1 (en) * 2002-08-20 2005-07-28 Donaldson Company, Inc. Fiber containing filter media
US20040116028A1 (en) * 2002-09-17 2004-06-17 Bryner Michael Allen Extremely high liquid barrier fabrics
US20040255783A1 (en) * 2003-06-19 2004-12-23 Graham Kristine M. Cleanable high efficiency filter media structure and applications for use
US20070021021A1 (en) * 2003-07-30 2007-01-25 Fleetguard, Inc. High performance filter media with internal nanofiber structure and manufacturing methodology
US7754123B2 (en) * 2003-07-30 2010-07-13 Fleetguard, Inc. High performance filter media with internal nanofiber structure and manufacturing methodology
US20060290031A1 (en) * 2003-09-08 2006-12-28 Oldrich Jirsak Method of nanofibres production from a polymer solution using electrostatic spinning and a device for carrying out the method
US20050193696A1 (en) * 2004-03-02 2005-09-08 Muller Jason W. Composite filter media
US7134857B2 (en) * 2004-04-08 2006-11-14 Research Triangle Institute Electrospinning of fibers using a rotatable spray head
US20070062855A1 (en) * 2005-09-15 2007-03-22 Chase George G Method and apparatus for removal of water and/or water-based compounds from organic liquids or vice-versa
US20070163217A1 (en) * 2006-01-17 2007-07-19 Cornell Research Foundation, Inc. Cellulosic/polyamide composite
US20070294988A1 (en) * 2006-06-22 2007-12-27 Clarcor Air Filtration Products, Inc. Panel filter with frame
US20080017038A1 (en) * 2006-07-21 2008-01-24 3M Innovative Properties Company High efficiency hvac filter

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8747093B2 (en) * 2008-10-17 2014-06-10 Deakin University Electrostatic spinning assembly
US20110311671A1 (en) * 2008-10-17 2011-12-22 Tong Lin Electrostatic spinning assembly
US20100181249A1 (en) * 2009-01-22 2010-07-22 Clarcor Air Filtration Products, Inc. Filter Having Melt-Blown and Electrospun Fibers
US8172092B2 (en) * 2009-01-22 2012-05-08 Clarcor Inc. Filter having melt-blown and electrospun fibers
US10064965B2 (en) 2009-03-19 2018-09-04 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US10722602B2 (en) 2009-03-19 2020-07-28 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US9943616B2 (en) 2009-03-19 2018-04-17 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US9889214B2 (en) 2009-03-19 2018-02-13 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US9750829B2 (en) 2009-03-19 2017-09-05 Emd Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
US8668755B2 (en) * 2009-06-12 2014-03-11 Clarcor Air Filtration Products, Inc. Membrane-free filter and/or integral framing for filter
US9504945B2 (en) 2009-06-12 2016-11-29 Clarcor Air Filtration Products Air cooling system incorporating membrane-free filter and/or integral framing for filter
US20100313760A1 (en) * 2009-06-12 2010-12-16 Clarcor Air Filtration Products, Inc. Membrane-free filter and/or integral framing for filter
US20100313757A1 (en) * 2009-06-12 2010-12-16 Clarcor Air Filteration Products, Inc. Air cooling system incorporating membrane-free filter and/or integral framing for filter
US8535404B2 (en) 2009-06-12 2013-09-17 Clarcor Air Filtration Products Membrane-free filter and/or integral framing for filter
US8323384B2 (en) 2009-12-18 2012-12-04 Clark Filter, Inc. Air filter with extended life
US20110146490A1 (en) * 2009-12-18 2011-06-23 Clark Filter, Inc. Air filter with extended life
US9731966B2 (en) 2010-02-26 2017-08-15 Clarcor Inc. Non-pleated tubular depth filter having fine fiber filtration media
US20110210060A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Expanded composite filter media including nanofiber matrix and method
US20110210059A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Non-pleated tubular depth filter having fine fiber filtration media
US20110210061A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Compressed nanofiber composite media
US20110210081A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Fine fiber liquid particulate filter media
US9028594B2 (en) 2010-07-22 2015-05-12 Clarcor Air Filtration Production, Inc. Self service kiosk incorporating moisture repellant filter
CN103180887A (zh) * 2010-07-22 2013-06-26 克拉克空气过滤产品有限公司 结合有防水过滤器的自助式服务终端机
US10252199B2 (en) 2010-08-10 2019-04-09 Emd Millipore Corporation Method for retrovirus removal
US9623352B2 (en) 2010-08-10 2017-04-18 Emd Millipore Corporation Method for retrovirus removal
US11154821B2 (en) 2011-04-01 2021-10-26 Emd Millipore Corporation Nanofiber containing composite membrane structures
US20140073235A1 (en) * 2011-05-26 2014-03-13 Huawei Technologies Co., Ltd. Free Cooling System Apparatus and Communication Equipment
US10507416B2 (en) 2011-05-27 2019-12-17 Clarcor Air Filtration Products, Inc. Inlet frame and filter assembly including an inlet frame
US9510557B2 (en) * 2011-05-27 2016-12-06 Clarcor Air Filtration Products, Inc. Non V-bank filter for animal confinement facility
US9687766B2 (en) 2011-05-27 2017-06-27 Clarcor Air Filtration Products, Inc. Collapsible and/or assembled filter housing and filter used therewith
US20120317940A1 (en) * 2011-05-27 2012-12-20 Claror Air Filtration Products, Inc. Non v-bank filter for animal confinement facility
US20130101477A1 (en) * 2011-06-30 2013-04-25 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
US9802187B2 (en) 2011-06-30 2017-10-31 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
EP3292905A1 (en) 2012-01-27 2018-03-14 Zeus Industrial Products, Inc. Electrospun porous media
WO2013112793A1 (en) 2012-01-27 2013-08-01 Zeus Industrial Products, Inc. Electrospun porous media
US9034068B2 (en) 2012-06-05 2015-05-19 Clarcor Air Filtration Products, Inc. Box filter with orientation device
US10099165B2 (en) 2012-12-06 2018-10-16 Research Triangle Institute Curved nanofiber products and applications thereof
US20140250846A1 (en) * 2013-02-26 2014-09-11 Research Triangle Institute Curved nanofiber products and applications thereof
KR101527499B1 (ko) * 2013-08-01 2015-06-09 (주)에프티이앤이 폴리비닐리덴 플루오라이드 나노섬유와 이성분 기재를 포함하는 필터 및 이의 제조방법
WO2015016449A1 (ko) * 2013-08-01 2015-02-05 (주)에프티이앤이 내열성이 향상된 다층 나노섬유 필터 및 이의 제조방법
KR101527500B1 (ko) * 2013-10-07 2015-06-10 (주)에프티이앤이 나일론 나노섬유와 이성분 기재를 포함하는 필터 및 이의 제조방법
US10675588B2 (en) 2015-04-17 2020-06-09 Emd Millipore Corporation Method of purifying a biological material of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode
US10675575B2 (en) 2015-08-19 2020-06-09 Mann+Hummel Gmbh Method for producing a filter medium, and a filter medium
US11090589B2 (en) 2016-02-19 2021-08-17 Vishal Bansal Stretchable laminated filter material and protective article
US20190345638A1 (en) * 2017-01-06 2019-11-14 Sabic Global Technologies B.V. Apparatus for electrospinning liquid polymer into nanoscale or submicron scale fibers
US10745827B2 (en) * 2017-01-06 2020-08-18 Sabic Global Technologies B.V. Apparatus for electrospinning liquid polymer into nanoscale or submicron scale fibers
US11583797B2 (en) * 2018-01-04 2023-02-21 Nxtnano, Llc Dual density nanofiber media
US11111614B2 (en) 2018-06-08 2021-09-07 Ascend Performance Materials Operations Llc Method for tuning characteristics of a polyamide nanofiber nonwoven
US11965275B2 (en) 2018-06-08 2024-04-23 Ascend Performance Materials Operations Llc Method for forming nanofiber nonwoven products
US11618238B2 (en) 2019-04-12 2023-04-04 Ascend Performance Materials Operations Llc Nonwoven multilayer structures having nanofiber layers
WO2020223638A1 (en) 2019-05-01 2020-11-05 Ascend Performance Materials Operations Llc Filter media comprising polyamide nanofiber layer
WO2023200950A1 (en) * 2022-04-14 2023-10-19 Hollingsworth & Vose Company Filter media including fibers comprising polyvinylidene fluoride and/or a copolymer thereof, and related methods

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BRPI0817217A2 (pt) 2020-08-11
MX2010005473A (es) 2010-08-11
CA2705557A1 (en) 2009-05-28
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WO2009067365A2 (en) 2009-05-28
PT2222385T (pt) 2016-08-31
KR20100103529A (ko) 2010-09-27
JP2011504138A (ja) 2011-02-03
CA2705557C (en) 2017-04-18
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US20130313736A1 (en) 2013-11-28
ES2592433T3 (es) 2016-11-30

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