ATE127702T1 - Kationische filtermedia mit kationisch geänderter ladung und deren verwendung. - Google Patents

Kationische filtermedia mit kationisch geänderter ladung und deren verwendung.

Info

Publication number
ATE127702T1
ATE127702T1 AT90906716T AT90906716T ATE127702T1 AT E127702 T1 ATE127702 T1 AT E127702T1 AT 90906716 T AT90906716 T AT 90906716T AT 90906716 T AT90906716 T AT 90906716T AT E127702 T1 ATE127702 T1 AT E127702T1
Authority
AT
Austria
Prior art keywords
charge modifying
modifying agent
filter elements
primary
filter media
Prior art date
Application number
AT90906716T
Other languages
English (en)
Inventor
Eugene A Ostreicher
Original Assignee
Cuno 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23314124&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE127702(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cuno Inc filed Critical Cuno Inc
Application granted granted Critical
Publication of ATE127702T1 publication Critical patent/ATE127702T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • 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
    • 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
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
AT90906716T 1989-04-07 1990-03-30 Kationische filtermedia mit kationisch geänderter ladung und deren verwendung. ATE127702T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/335,995 US4981591A (en) 1989-04-07 1989-04-07 Cationic charge modified filter media

Publications (1)

Publication Number Publication Date
ATE127702T1 true ATE127702T1 (de) 1995-09-15

Family

ID=23314124

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90906716T ATE127702T1 (de) 1989-04-07 1990-03-30 Kationische filtermedia mit kationisch geänderter ladung und deren verwendung.

Country Status (8)

Country Link
US (1) US4981591A (de)
EP (1) EP0466827B1 (de)
JP (1) JP3115316B2 (de)
AT (1) ATE127702T1 (de)
AU (1) AU621266B2 (de)
CA (1) CA2049949A1 (de)
DE (1) DE69022414T2 (de)
WO (1) WO1990011814A1 (de)

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US5085784A (en) * 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
US5085780A (en) * 1989-04-07 1992-02-04 Cuno, Incorporated Use of cationic charge modified filter media
US5133878A (en) * 1989-11-17 1992-07-28 Pall Corporation Polymeric microfiber filter medium
DE4113602A1 (de) * 1991-04-23 1992-10-29 Falkenhagen Dieter Dr Sc Med Endotoxinadsorber und verfahren zu seiner herstellung
US5186843A (en) * 1991-07-22 1993-02-16 Ahlstrom Filtration, Inc. Blood separation media and method for separating plasma from whole blood
US5383573A (en) * 1992-11-04 1995-01-24 Minnesota Mining And Manufacturing Company Separation-science membrane dispenser
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
WO1998004335A1 (en) * 1996-07-29 1998-02-05 Kimberly-Clark Worldwide, Inc. Method of using cationic charge modified filter
ATE251946T1 (de) * 1996-07-30 2003-11-15 Cuno Inc Filterschicht und deren verwendung zur reinigung einer fotoresistzusammensetzung
JPH1060048A (ja) 1996-08-23 1998-03-03 Nippon Zeon Co Ltd 環状オレフィン系重合体及びその製造方法
US5912194A (en) * 1996-08-30 1999-06-15 Kimberly Clark Corp. Permeable liquid flow control material
CA2289665C (en) 1997-06-13 2005-08-09 Genentech, Inc. Protein recovery by chromatography followed by filtration upon a charged layer
US6939466B2 (en) * 1998-08-17 2005-09-06 Cuno Incorporated Graded particle-size retention filter medium for fluid filtration unit with improved edge seal
US6712966B1 (en) 1999-02-04 2004-03-30 Cuno Incorporated Graded particle-size retention filter medium for cell-type filter unit
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
US20040118766A1 (en) * 2000-02-03 2004-06-24 Pulek John L. Graded particle-size retention filter medium for cell-type filter unit
CA2379565A1 (en) 1999-07-21 2001-02-01 Kenneth C. Hou Microorganism filter and method for removing microorganism from water
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
US6602410B1 (en) 2000-11-14 2003-08-05 The Procter & Gamble Comapny Water purifying kits
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
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
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
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
US20030042195A1 (en) * 2001-09-04 2003-03-06 Lois Jean Forde-Kohler Multi-ply filter
US7037527B2 (en) * 2002-01-25 2006-05-02 University Of Rhode Island Bifunctionalized polyester material for surface treatment and biomodification
US6866704B2 (en) * 2002-01-31 2005-03-15 Koslow Technologies Corporation Microporous filter media with intrinsic safety feature
GB0211805D0 (en) * 2002-05-22 2002-07-03 Prometic Biosciences Ltd Endotoxin-binding ligands and their use
US20050098505A1 (en) * 2002-09-20 2005-05-12 J.R. Schneider Co., Inc. Filter aid and method of using same for reclaiming water-based fluids used in metal working processes
US20040104177A1 (en) * 2002-09-20 2004-06-03 J.R. Schneider Co., Inc. Filter aid and method of using same for reclaiming water-based fluids used in metal working processes
US7341668B2 (en) * 2003-09-22 2008-03-11 J.R. Schneider Co., Inc. Filter aid and method of using same for reclaiming water-based fluids used in metal working processes
US7390403B2 (en) 2004-03-19 2008-06-24 Millipore Corporation Prefilter system for biological systems
CN1960948A (zh) * 2004-03-24 2007-05-09 3M创新有限公司 抗微生物过滤介质及其制造和使用方法
RU2394627C1 (ru) * 2006-03-31 2010-07-20 Аргонайд Корпорейшн Нетканый материал, включающий ультрамелкие или наноразмерные порошки
CA2646192C (en) * 2006-03-31 2015-02-10 Argonide Corporation Non-woven media incorporating ultrafine or nanosize powders
EP2058350A4 (de) 2006-08-31 2010-07-14 Zeon Corp Hydrierte ringöffnungspolymerisationspolymere auf basis von norbornen, harzzusammensetzung und formkörper
US8123959B2 (en) * 2007-11-28 2012-02-28 3M Innovative Properties Company Treatment of solid particles with functional agents
US20110006007A1 (en) * 2008-02-12 2011-01-13 Gokhan Kuruc Composite polymeric filtration media
US8969068B2 (en) 2008-04-30 2015-03-03 Gradalis, Inc. Processes for the preparation of highly pure plasmid compositions by enzymatic digestion of colanic acid
DE102008037678A1 (de) 2008-08-14 2010-02-25 Sartorius Stedim Biotech Gmbh Tiefenfilterschicht mit anorganischem Schichtdoppelhydroxid
ES2952026T3 (es) * 2015-11-18 2023-10-26 Imerys Filtration Minerals Inc Auxiliares de filtración de silicato compuestos catiónicos
KR20220014206A (ko) * 2020-07-28 2022-02-04 도레이첨단소재 주식회사 전하를 띤 입자에 대한 제거능이 우수한 양전하 여재 및 이의 제조 방법
US12220657B2 (en) * 2021-04-30 2025-02-11 Pall Corporation Filter disk segments
CN118405734A (zh) * 2023-01-30 2024-07-30 宁波方太厨具有限公司 改性双层滤芯及其制备方法和应用
WO2025163088A1 (en) * 2024-02-02 2025-08-07 Piac Gmbh Materials, processes, and methods for the adsorption of harmful compounds
CN118750958B (zh) * 2024-06-12 2025-06-13 华南理工大学 一种具有持久且宽泛pH范围荷正电玻纤滤材及其制备方法与应用

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Publication number Priority date Publication date Assignee Title
US2783894A (en) * 1955-03-24 1957-03-05 Millipore Filter Corp Microporous nylon film
US3242073A (en) * 1963-03-07 1966-03-22 Dow Chemical Co Removal of microorganisms from fluids
US3408315A (en) * 1965-01-12 1968-10-29 Millipore Filter Corp Nylon membrane filter
US4321288A (en) * 1973-05-09 1982-03-23 Amf Incorporated Process of making an improved filter media
CA1044537A (en) * 1973-05-09 1978-12-19 Amf Incorporated Filter medium and process
US4178438A (en) * 1975-11-14 1979-12-11 Ciba-Geigy Aktiengesellschaft Cationically modified, cellulose-containing materials
US4366068A (en) * 1976-03-15 1982-12-28 Amf Incorporated Filter and method of making same
US4859340A (en) * 1976-03-15 1989-08-22 Cuno, Incorporated Filter sheet
US4309247A (en) * 1976-03-15 1982-01-05 Amf Incorporated Filter and method of making same
GB2043734B (en) * 1979-03-01 1983-08-17 Amf Inc Filter and method of making same
CA1148872A (en) * 1979-04-06 1983-06-28 Eugene A. Ostreicher Filter with inorganic cationic colloidal silica
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
US4617128A (en) * 1979-09-10 1986-10-14 Amf Inc. Particulate filter aid, filter bed and process
US4288462A (en) * 1980-02-04 1981-09-08 Amf Incorporated Method for removing cationic contaminants from beverages
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
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
WO1982001477A1 (en) * 1980-10-27 1982-05-13 Inc Amf Charge modified microporous membrane,process for charge modifying said membrane and process for filtration of fluid
US4673504A (en) * 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4381239A (en) * 1981-02-10 1983-04-26 Tanabe Seiyaku Co., Ltd. Method for reducing the pyrogen content of or removing pyrogens from substances contaminated therewith
US4473475A (en) * 1981-05-29 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane, and process for filtration of fluids
US4523995A (en) * 1981-10-19 1985-06-18 Pall Corporation Charge-modified microfiber filter sheets
US4512896A (en) * 1983-02-07 1985-04-23 Yale University Transfer of macromolecules from a chromatographic substrate to an immobilizing matrix
US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
US4606824A (en) * 1984-10-26 1986-08-19 Chaokang Chu Modified cellulose separation matrix

Also Published As

Publication number Publication date
DE69022414T2 (de) 1996-03-07
AU621266B2 (en) 1992-03-05
EP0466827A1 (de) 1992-01-22
CA2049949A1 (en) 1990-10-08
JP3115316B2 (ja) 2000-12-04
US4981591A (en) 1991-01-01
WO1990011814A1 (en) 1990-10-18
EP0466827B1 (de) 1995-09-13
EP0466827A4 (en) 1992-06-03
AU5526090A (en) 1990-11-05
JPH04504379A (ja) 1992-08-06
DE69022414D1 (de) 1995-10-19

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties