ES8400674A1 - "un procedimiento para formar un medio filtrante fibroso". - Google Patents

"un procedimiento para formar un medio filtrante fibroso".

Info

Publication number
ES8400674A1
ES8400674A1 ES516645A ES516645A ES8400674A1 ES 8400674 A1 ES8400674 A1 ES 8400674A1 ES 516645 A ES516645 A ES 516645A ES 516645 A ES516645 A ES 516645A ES 8400674 A1 ES8400674 A1 ES 8400674A1
Authority
ES
Spain
Prior art keywords
microfibers
zeta potential
filter
filter sheet
coat
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
Application number
ES516645A
Other languages
English (en)
Other versions
ES516645A0 (es
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.)
Pall Corp
Original Assignee
Pall Corp
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 Pall Corp filed Critical Pall Corp
Publication of ES516645A0 publication Critical patent/ES516645A0/es
Publication of ES8400674A1 publication Critical patent/ES8400674A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B01D39/2024—Glass or glassy material the material being filamentary or fibrous otherwise bonded, e.g. by resins
    • 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
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Paper (AREA)

Abstract

METODO PARA LA OBTENCION DE UN MEDIO FILTRANTE FIBROSO QUE MUESTRA POTENCIAL ZETA POSITIVO EN MEDIOS ALCALINOS, MEDIANTE UNA RESINA O POLIMERO AGLOMERANTE.SE MEZCLAN MICROFIBRAS INORGANICAS QUE TIENEN POTENCIAL ZETA NEGATIVO, TALES COMO FIBRAS DE VIDRIO, TITANATO O SUS MEZCLAS, CON UNA DISOLUCION ACUOSA DE UNA RESINA O POLIMERO AGLOMERANTE, TERMOENDURECIBLE, CATIONICO, NO COLOIDAL, SOLUBLE EN AGUA; Y SE AÑADE UN AGENTE PRECIPITANTE A LA DISPERSION FORMADA QUE PRECIPITA LA RESINA O EL POLIMERO AGLOMERANTE.ESTOS MEDIOS FILTRANTES TIENEN APLICACIONES PARA ELTRATAMIENTO DE AGUAS.
ES516645A 1981-10-19 1982-10-19 "un procedimiento para formar un medio filtrante fibroso". Expired ES8400674A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/312,723 US4523995A (en) 1981-10-19 1981-10-19 Charge-modified microfiber filter sheets

Publications (2)

Publication Number Publication Date
ES516645A0 ES516645A0 (es) 1983-11-01
ES8400674A1 true ES8400674A1 (es) 1983-11-01

Family

ID=23212717

Family Applications (1)

Application Number Title Priority Date Filing Date
ES516645A Expired ES8400674A1 (es) 1981-10-19 1982-10-19 "un procedimiento para formar un medio filtrante fibroso".

Country Status (12)

Country Link
US (1) US4523995A (es)
EP (1) EP0077633B1 (es)
JP (1) JPS5879543A (es)
AU (1) AU8934482A (es)
CA (1) CA1190156A (es)
CH (1) CH658406A5 (es)
DE (1) DE3262814D1 (es)
ES (1) ES8400674A1 (es)
FR (1) FR2515063A1 (es)
GB (1) GB2109429B (es)
PT (1) PT75693B (es)
ZA (1) ZA827627B (es)

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US4801386A (en) * 1981-06-19 1989-01-31 Mitsubishi Rayon Co., Ltd. Process of using a porous water-treating material
JPS58101721A (ja) * 1981-12-11 1983-06-17 Toa Nenryo Kogyo Kk フイルタ−
US4617124A (en) * 1982-07-13 1986-10-14 Pall Corporation Polymeric microfibrous filter sheet, preparation and use
US4620932A (en) * 1983-06-06 1986-11-04 Howery Kenneth A Submicronic hydrophilic filter media
JPS6058221A (ja) * 1983-09-09 1985-04-04 Toyo Roshi Kk 空気濾過用濾材
JPS6290395A (ja) * 1985-06-24 1987-04-24 ニッタ株式会社 濾紙とその製造方法
US4693928A (en) * 1986-02-10 1987-09-15 Pall Corporation Porous, fibrous structures with thermoplastic fluorocarbon coating and method of making
US4702947A (en) * 1986-04-01 1987-10-27 Pall Corporation Fibrous structure and method of manufacture
US4765812A (en) * 1987-10-30 1988-08-23 Allied-Signal Inc. Air laid filtering material
US4946603A (en) * 1988-11-17 1990-08-07 Crystal Diagnostics, Inc. Electronegatively charged blood filter and blood cell separation method
US5085784A (en) * 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
US4981591A (en) * 1989-04-07 1991-01-01 Cuno, Incorporated Cationic charge modified filter media
US5085780A (en) * 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
EP0558473A1 (en) * 1989-11-08 1993-09-08 Fmc Corporation Combined centrifuge tube and porous selection means for separation and recovery of biological materials
US5151192A (en) * 1990-07-13 1992-09-29 Pall Corporation Method for removing heparin from blood or plasma
US5104546A (en) * 1990-07-03 1992-04-14 Aluminum Company Of America Pyrogens separations by ceramic ultrafiltration
US5151189A (en) * 1990-09-17 1992-09-29 Gelman Sciences, Inc. Cationic charge modified microporous membrane
US5498336A (en) * 1991-02-22 1996-03-12 Terumo Kabushiki Kaisha Leukocyte-removing filter and leukocyte-removing apparatus furnished therewith
JP3124565B2 (ja) * 1991-02-22 2001-01-15 テルモ株式会社 白血球除去フィルターおよび白血球除去装置
US5242595A (en) * 1991-04-25 1993-09-07 U.S. Filter/Illinois Water Treatment, Inc. Bacteria removal by ceramic microfiltration
US5543047A (en) * 1992-11-06 1996-08-06 Pall Corporation Filter with over-laid pleats in intimate contact
EP0673753B1 (en) * 1993-07-21 1999-12-15 Unitika Limited Porous tube of fiber-reinforced plastic and methods of manufacturing the same
US5626761A (en) * 1993-12-17 1997-05-06 Poly-Bio-Marine, Inc. Chemical and particulate filtration system/apparatus
US5529844A (en) * 1994-04-29 1996-06-25 Pall Corporation Aramid fiber filtration sheet
US5582907A (en) * 1994-07-28 1996-12-10 Pall Corporation Melt-blown fibrous web
US6074869A (en) * 1994-07-28 2000-06-13 Pall Corporation Fibrous web for processing a fluid
US5709798A (en) * 1995-06-19 1998-01-20 Pall Corporation Fibrous nonwoven web
US5855788A (en) * 1996-02-07 1999-01-05 Kimberly-Clark Worldwide, Inc. Chemically charged-modified filter for removing particles from a liquid and method thereof
US5912194A (en) * 1996-08-30 1999-06-15 Kimberly Clark Corp. Permeable liquid flow control material
US6290848B1 (en) * 1997-04-16 2001-09-18 Pur Water Purification Products, Inc. Filter cartridge for gravity-fed water treatment devices
US6537614B1 (en) 1998-12-18 2003-03-25 Kimberly-Clark Worldwide, Inc. Cationically charged coating on hydrophobic polymer fibers with poly (vinyl alcohol) assist
US6274041B1 (en) 1998-12-18 2001-08-14 Kimberly-Clark Worldwide, Inc. Integrated filter combining physical adsorption and electrokinetic adsorption
TW480246B (en) * 1998-12-18 2002-03-21 Kimberly Clark Co Cationically charged coating on glass fibers and method for making the same
US6780327B1 (en) * 1999-02-25 2004-08-24 Pall Corporation Positively charged membrane
US6274103B1 (en) * 1999-03-26 2001-08-14 Prismedical Corporation Apparatus and method for preparation of a peritoneal dialysis solution
US6849185B1 (en) * 1999-05-14 2005-02-01 Pall Corp Charged membrane
CA2379565A1 (en) * 1999-07-21 2001-02-01 Kenneth C. Hou Microorganism filter and method for removing microorganism from water
US6818130B1 (en) 1999-09-30 2004-11-16 Kimberly-Clark Worldwide, Inc. Method and apparatus for multistage liquid filtration
US7163625B1 (en) 1999-12-16 2007-01-16 Kimberly-Clark Worldwide, Inc. Filtration device
US20010040136A1 (en) * 1999-12-22 2001-11-15 Kimberly-Clark Worldwide, Inc. Cationically charged coating on glass and nonwoven fibers
US6645388B2 (en) 1999-12-22 2003-11-11 Kimberly-Clark Corporation Leukocyte depletion filter media, filter produced therefrom, method of making same and method of using same
WO2001068228A1 (en) * 2000-03-13 2001-09-20 The University Of Akron Method and apparatus of mixing fibers
US20020030008A1 (en) * 2000-03-31 2002-03-14 Kimberly-Clark Worldwide, Inc. Multi-component filter design
US7601262B1 (en) 2001-06-22 2009-10-13 Argonide Corporation Sub-micron filter
WO2003000407A1 (en) * 2001-06-22 2003-01-03 Argonide Corporation Sub-micron filter
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
US7615152B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
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
KR100777951B1 (ko) 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법
US6835311B2 (en) 2002-01-31 2004-12-28 Koslow Technologies Corporation Microporous filter media, filtration systems containing same, and methods of making and using
US20040224594A1 (en) * 2003-04-18 2004-11-11 Choi Wai Ming Low density nonwoven glass fiber web
JP4836420B2 (ja) * 2003-08-06 2011-12-14 旭化成クリーン化学株式会社 繊維製接触材と水処理装置および水処理方法
US20080026041A1 (en) * 2005-09-12 2008-01-31 Argonide Corporation Non-woven media incorporating ultrafine or nanosize powders
US7390343B2 (en) * 2005-09-12 2008-06-24 Argonide Corporation Drinking water filtration device
DE102007023806A1 (de) * 2007-05-21 2008-11-27 Carl Freudenberg Kg Lagenverbund zur Verwendung in einem Luftfilter
EP2222908B1 (en) * 2007-12-06 2013-01-16 3M Innovative Properties Company Electret webs with charge-enhancing additives
RU2448207C1 (ru) * 2008-06-02 2012-04-20 3М Инновейтив Пропертиз Компани Электретные полотна с усиливающими заряд добавками
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
AU2009255472A1 (en) * 2008-06-02 2009-12-10 3M Innovative Properties Company Charge-enhancing additives for electrets
US9108968B2 (en) 2012-04-25 2015-08-18 Ppg Industries Ohio, Inc. Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene by reaction of a disubstituted carbodiimide and dipropylene triamine
KR20150021564A (ko) 2012-06-27 2015-03-02 아고나이드 코포레이션 알루미늄 처리된 규산질 흡수제 및 이를 삽입한 정수 장치
DE102013012678A1 (de) * 2013-07-31 2015-02-05 Mann + Hummel Gmbh Flachfiltermedien zur abtrennung von plasma oder serum von vollblut
EP4326216A1 (en) * 2021-04-22 2024-02-28 Innovaprep LLC Prefilters for particle concentrators

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US2040818A (en) * 1932-07-29 1936-05-19 Johns Manville Coated diatomaceous earth product and method of making the same
US2036258A (en) * 1932-10-05 1936-04-07 Johns Manville Electropositive composition and method of making the same
NL66907C (es) * 1945-07-13
US2797163A (en) * 1952-11-22 1957-06-25 Walter J Smith Method of making filter media
US2971907A (en) * 1955-08-17 1961-02-14 Walter J Smith Filter media and method of making
US2926154A (en) * 1957-09-05 1960-02-23 Hercules Powder Co Ltd Cationic thermosetting polyamide-epichlorohydrin resins and process of making same
NL110447C (es) * 1957-09-05
BE625893A (es) * 1961-03-27
NL296324A (es) * 1962-08-06
US3352424A (en) * 1964-02-07 1967-11-14 Dow Chemical Co Coated filter aids
GB1043616A (en) * 1963-03-07 1966-09-21 Dow Chemical Co Coated filter aid and improved filtration method
US3353682A (en) * 1966-02-28 1967-11-21 Pall Corp Fluid-permeable fibrous multilayer materials and process of making the same
US3974072A (en) * 1973-03-02 1976-08-10 Imperial Chemical Industries Limited Filtration method
CA1044537A (en) * 1973-05-09 1978-12-19 Amf Incorporated Filter medium and process
GB2043734B (en) * 1979-03-01 1983-08-17 Amf Inc Filter and method of making same
US4230573A (en) * 1979-06-08 1980-10-28 Amf Incorporated Cartridge filter and method of making same
US4282261A (en) * 1979-08-09 1981-08-04 Amf Incorporated Beverage filtration process
GB2056485B (en) * 1979-08-09 1983-10-12 Amf Inc Beverage filtration process
US4288462A (en) * 1980-02-04 1981-09-08 Amf Incorporated Method for removing cationic contaminants from beverages

Also Published As

Publication number Publication date
ES516645A0 (es) 1983-11-01
CH658406A5 (fr) 1986-11-14
US4523995A (en) 1985-06-18
JPS6144536B2 (es) 1986-10-03
EP0077633A1 (en) 1983-04-27
ZA827627B (en) 1984-06-27
JPS5879543A (ja) 1983-05-13
PT75693B (en) 1985-01-10
DE3262814D1 (en) 1985-05-02
CA1190156A (en) 1985-07-09
FR2515063B1 (es) 1985-04-05
FR2515063A1 (fr) 1983-04-29
EP0077633B1 (en) 1985-03-27
AU8934482A (en) 1983-04-28
PT75693A (en) 1982-11-01
GB2109429A (en) 1983-06-02
GB2109429B (en) 1985-07-31

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990405