EP3468689A4 - Filter media including fine staple fibers - Google Patents

Filter media including fine staple fibers Download PDF

Info

Publication number
EP3468689A4
EP3468689A4 EP17811023.5A EP17811023A EP3468689A4 EP 3468689 A4 EP3468689 A4 EP 3468689A4 EP 17811023 A EP17811023 A EP 17811023A EP 3468689 A4 EP3468689 A4 EP 3468689A4
Authority
EP
European Patent Office
Prior art keywords
filter media
staple fibers
media including
including fine
fine staple
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.)
Withdrawn
Application number
EP17811023.5A
Other languages
German (de)
French (fr)
Other versions
EP3468689A1 (en
Inventor
Sneha Swaminathan
Svetlana Krupnikov
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.)
Hollingsworth and Vose Co
Original Assignee
Hollingsworth and Vose Co
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
Priority claimed from US15/178,199 external-priority patent/US20160361674A1/en
Application filed by Hollingsworth and Vose Co filed Critical Hollingsworth and Vose Co
Publication of EP3468689A1 publication Critical patent/EP3468689A1/en
Publication of EP3468689A4 publication Critical patent/EP3468689A4/en
Withdrawn legal-status Critical Current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
    • B01D39/16—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
    • 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
    • B01D39/10—Filter screens essentially made of metal
    • B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
    • 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
    • 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
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0421—Rendering the filter material hydrophilic
    • 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
    • B01D2239/0414—Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0428—Rendering the filter material hydrophobic
    • 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
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • 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
    • B01D2239/1233—Fibre diameter
    • 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
    • B01D2239/1258—Permeability
    • 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
    • B01D2239/1291—Other parameters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filtering Materials (AREA)
EP17811023.5A 2016-06-09 2017-06-08 Filter media including fine staple fibers Withdrawn EP3468689A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15/178,199 US20160361674A1 (en) 2014-12-15 2016-06-09 Filter media including fine staple fibers
PCT/US2017/036585 WO2017214419A1 (en) 2016-06-09 2017-06-08 Filter media including fine staple fibers

Publications (2)

Publication Number Publication Date
EP3468689A1 EP3468689A1 (en) 2019-04-17
EP3468689A4 true EP3468689A4 (en) 2020-01-01

Family

ID=60578918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17811023.5A Withdrawn EP3468689A4 (en) 2016-06-09 2017-06-08 Filter media including fine staple fibers

Country Status (3)

Country Link
EP (1) EP3468689A4 (en)
CN (1) CN109310936A (en)
WO (1) WO2017214419A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20185694A1 (en) * 2018-08-22 2020-02-23 Teknologian Tutkimuskeskus Vtt Oy Process of sorption based on water interaction taking place at solid-liquid interfaces of hygroscopic cellulosic structures
CN108950863A (en) * 2018-09-21 2018-12-07 大连瑞源非织造布有限公司 Wet process spun lacing oily filter cloth and preparation method thereof
MX2022004105A (en) * 2019-10-08 2022-04-26 Donaldson Co Inc Filter medium comprising a fine fiber layer.
US20210187421A1 (en) * 2019-12-19 2021-06-24 Hollingsworth & Vose Company Filter media comprising a non-wetlaid backer
TWI807276B (en) * 2020-03-12 2023-07-01 劍亮 龔 Air filtration system, antiviral face mask, coating obtained by drying of a solution and coated object

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016100300A2 (en) * 2014-12-15 2016-06-23 Hollingsworth & Vose Company Filter media including fine staple fibers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7063917B2 (en) * 2001-02-21 2006-06-20 Ahlstrom Mount Holly Springs, Llc Laminated battery separator material
US20150360156A1 (en) * 2013-12-20 2015-12-17 Hollingsworth & Vose Company Filter media and elements with fine staple fibers
US10195542B2 (en) * 2014-05-15 2019-02-05 Hollingsworth & Vose Company Surface modified filter media

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016100300A2 (en) * 2014-12-15 2016-06-23 Hollingsworth & Vose Company Filter media including fine staple fibers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017214419A1 *

Also Published As

Publication number Publication date
WO2017214419A1 (en) 2017-12-14
EP3468689A1 (en) 2019-04-17
CN109310936A (en) 2019-02-05

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RIC1 Information provided on ipc code assigned before grant

Ipc: B01D 39/08 20060101ALI20191128BHEP

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Effective date: 20200714