WO2004058374A3 - Polyvinyl alcohol filter media - Google Patents

Polyvinyl alcohol filter media Download PDF

Info

Publication number
WO2004058374A3
WO2004058374A3 PCT/US2003/041099 US0341099W WO2004058374A3 WO 2004058374 A3 WO2004058374 A3 WO 2004058374A3 US 0341099 W US0341099 W US 0341099W WO 2004058374 A3 WO2004058374 A3 WO 2004058374A3
Authority
WO
WIPO (PCT)
Prior art keywords
polyvinyl alcohol
filter media
alcohol filter
filters
water
Prior art date
Application number
PCT/US2003/041099
Other languages
French (fr)
Other versions
WO2004058374A2 (en
Inventor
Baosheng Lee
John B Steward
Jordan M Johnston
Youzhen Ding
Original Assignee
Microtek Medical Holdings 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 Microtek Medical Holdings Inc filed Critical Microtek Medical Holdings Inc
Priority to UAA200507322A priority Critical patent/UA81651C2/en
Priority to AU2003299860A priority patent/AU2003299860A1/en
Priority to JP2004564007A priority patent/JP2006521911A/en
Priority to EP03800134A priority patent/EP1590064A4/en
Priority to CA002507041A priority patent/CA2507041A1/en
Publication of WO2004058374A2 publication Critical patent/WO2004058374A2/en
Publication of WO2004058374A3 publication Critical patent/WO2004058374A3/en

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
    • B01D39/16—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
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced 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
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic 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
    • 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
    • B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
    • 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • 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
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/069—Special geometry of layers
    • B01D2239/0695—Wound layers
    • 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
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1216—Pore size
    • 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.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • 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.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • 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]

Abstract

Filters (10) comprising water-soluble polyvinyl alcohol material are disclosed, as well as methods and making and using filters. The filters (10) can include a roving/yarn filtering material (11) wrapped around a supporting core (12). Both the filtering material (11) and the core (12) can be made of the water-soluble PVA.
PCT/US2003/041099 2002-12-24 2003-12-24 Polyvinyl alcohol filter media WO2004058374A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
UAA200507322A UA81651C2 (en) 2002-12-24 2003-12-24 Method and filter for filtration of water flow
AU2003299860A AU2003299860A1 (en) 2002-12-24 2003-12-24 Polyvinyl alcohol filter media
JP2004564007A JP2006521911A (en) 2002-12-24 2003-12-24 Polyvinyl alcohol filter medium
EP03800134A EP1590064A4 (en) 2002-12-24 2003-12-24 Polyvinyl alcohol filter media
CA002507041A CA2507041A1 (en) 2002-12-24 2003-12-24 Polyvinyl alcohol filter media

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43631802P 2002-12-24 2002-12-24
US60/436,318 2002-12-24

Publications (2)

Publication Number Publication Date
WO2004058374A2 WO2004058374A2 (en) 2004-07-15
WO2004058374A3 true WO2004058374A3 (en) 2004-10-07

Family

ID=32682375

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/041099 WO2004058374A2 (en) 2002-12-24 2003-12-24 Polyvinyl alcohol filter media

Country Status (10)

Country Link
US (1) US20040192135A1 (en)
EP (1) EP1590064A4 (en)
JP (1) JP2006521911A (en)
KR (1) KR20050085868A (en)
CN (1) CN1732036A (en)
AU (1) AU2003299860A1 (en)
CA (1) CA2507041A1 (en)
RU (1) RU2327507C2 (en)
UA (1) UA81651C2 (en)
WO (1) WO2004058374A2 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7871946B2 (en) * 2003-10-09 2011-01-18 Kuraray Co., Ltd. Nonwoven fabric composed of ultra-fine continuous fibers, and production process and application thereof
JPWO2008111294A1 (en) * 2007-03-15 2010-06-24 株式会社クラレ Laminated fabric
US20090078639A1 (en) * 2007-09-21 2009-03-26 Calvin Pride Biofilter media and biofiltration apparatus employing same
EP2502235B1 (en) * 2009-11-17 2019-05-01 Hana Inspection & Engineering Co., Ltd Disposal and decontamination of radioactive polyvinyl alcohol products
CA3202964A1 (en) 2011-12-06 2013-06-13 Delta Faucet Company Ozone distribution in a faucet
KR101313714B1 (en) 2012-02-15 2013-10-01 송원숙 Fiber Drum Filter For Water Treatment
JP2014032066A (en) * 2012-08-02 2014-02-20 Japan Vilene Co Ltd Radioactive substance adsorbing material
US20160351291A1 (en) * 2014-01-27 2016-12-01 3M Innovative Properties Company Electrically insulating material and conductor wrap for electrical equipment, such as transformers
CN105934801B (en) * 2014-01-27 2019-03-29 3M创新有限公司 Electrically insulating material and transformer
CN108463437B (en) 2015-12-21 2022-07-08 德尔塔阀门公司 Fluid delivery system comprising a disinfection device
RU2616972C1 (en) * 2016-02-12 2017-04-19 Общество с ограниченной ответственностью Научно-производственное предприятие "Эксорб" Method of clearing liquid radioactive wastes
CN107010775A (en) * 2017-04-28 2017-08-04 杭州卧特松环保科技有限公司 Many material composite filter elements
JP7368167B2 (en) * 2019-10-04 2023-10-24 株式会社ディスコ Dust collection processing equipment
CN112442771B (en) * 2020-11-13 2022-03-08 浙江羊绒世家服饰股份有限公司 Water-soluble fiber and high count cashmere yarn spinning process
CN113073416A (en) * 2021-05-11 2021-07-06 李昌荣 Fabric produced based on degradable fibers and production process thereof
CN114371050B (en) * 2021-11-29 2023-08-15 中国辐射防护研究院 Radioactive surface contamination screening analysis method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616603A (en) * 1969-11-21 1971-11-02 Sylvania Electric Prod Decomposable filter means and method of utilization
US4715992A (en) * 1985-10-30 1987-12-29 Westinghouse Electric Corp. Filter element reduction method
US5922110A (en) * 1998-01-21 1999-07-13 Dcv, Inc. Water-soluble, biodegradable filter, and process of using same
US20020046970A1 (en) * 2000-09-21 2002-04-25 Mitsubishi Rayon Co., Ltd. Porous membrane

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539768A (en) * 1947-05-05 1951-01-30 Cuno Eng Corp Filter element and method of making the same
US2537897A (en) * 1947-07-09 1951-01-09 Robert H Hunter Filter element
US3422008A (en) * 1963-10-24 1969-01-14 Dow Chemical Co Wound hollow fiber permeability apparatus and process of making the same
US3834547A (en) * 1972-06-19 1974-09-10 Albany Int Corp Fibrous product
US3867294A (en) * 1973-05-09 1975-02-18 Pall Corp Cylindrical filter elements with improved side seam seal
JPS54153779A (en) * 1978-05-25 1979-12-04 Kuraray Co Ltd Preparation of polyvinyl alcohol base selective transmission membrane
US4355995A (en) * 1979-03-27 1982-10-26 American Filtrona Corporation Tobacco smoke filter providing tobacco flavor enrichment, and method for producing same
US4995916A (en) * 1990-04-30 1991-02-26 The United States Of America As Represented By The United States Department Of Energy Method of recovering hazardous waste from phenolic resin filters
WO1997005790A1 (en) * 1995-08-04 1997-02-20 Mitsubishi Rayon Co., Ltd. Filter medium and cigarette filter made with the use of the same
US5911224A (en) * 1997-05-01 1999-06-15 Filtrona International Limited Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same
US6623643B2 (en) * 1999-11-19 2003-09-23 Microtek Medical Holdings, Inc. Process for treatment of aqueous environments containing a water soluble polymer
US20020042236A1 (en) * 2000-04-26 2002-04-11 Chisso Corporation Filter cartridge and process for producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616603A (en) * 1969-11-21 1971-11-02 Sylvania Electric Prod Decomposable filter means and method of utilization
US4715992A (en) * 1985-10-30 1987-12-29 Westinghouse Electric Corp. Filter element reduction method
US5922110A (en) * 1998-01-21 1999-07-13 Dcv, Inc. Water-soluble, biodegradable filter, and process of using same
US20020046970A1 (en) * 2000-09-21 2002-04-25 Mitsubishi Rayon Co., Ltd. Porous membrane

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1590064A4 *

Also Published As

Publication number Publication date
UA81651C2 (en) 2008-01-25
CN1732036A (en) 2006-02-08
JP2006521911A (en) 2006-09-28
WO2004058374A2 (en) 2004-07-15
EP1590064A4 (en) 2007-11-21
KR20050085868A (en) 2005-08-29
CA2507041A1 (en) 2004-07-15
RU2327507C2 (en) 2008-06-27
EP1590064A2 (en) 2005-11-02
AU2003299860A1 (en) 2004-07-22
AU2003299860A8 (en) 2004-07-22
RU2005123383A (en) 2006-01-20
US20040192135A1 (en) 2004-09-30

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