DE602006021461D1 - Koaleszierendes filtrationsmedium und verfahren - Google Patents

Koaleszierendes filtrationsmedium und verfahren

Info

Publication number
DE602006021461D1
DE602006021461D1 DE602006021461T DE602006021461T DE602006021461D1 DE 602006021461 D1 DE602006021461 D1 DE 602006021461D1 DE 602006021461 T DE602006021461 T DE 602006021461T DE 602006021461 T DE602006021461 T DE 602006021461T DE 602006021461 D1 DE602006021461 D1 DE 602006021461D1
Authority
DE
Germany
Prior art keywords
coalizing
filtration medium
filtration
medium
coalizing filtration
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.)
Active
Application number
DE602006021461T
Other languages
English (en)
Inventor
David Charles Jones
Hyun Sung Lim
Karsten Keller
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE602006021461D1 publication Critical patent/DE602006021461D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/728—Hydrophilic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
DE602006021461T 2005-09-30 2006-09-29 Koaleszierendes filtrationsmedium und verfahren Active DE602006021461D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/241,598 US20070074628A1 (en) 2005-09-30 2005-09-30 Coalescing filtration medium and process
PCT/US2006/038095 WO2007041310A2 (en) 2005-09-30 2006-09-29 Coalescing filtration medium and process

Publications (1)

Publication Number Publication Date
DE602006021461D1 true DE602006021461D1 (de) 2011-06-01

Family

ID=37900692

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006021461T Active DE602006021461D1 (de) 2005-09-30 2006-09-29 Koaleszierendes filtrationsmedium und verfahren

Country Status (8)

Country Link
US (1) US20070074628A1 (de)
EP (1) EP1954373B1 (de)
JP (1) JP4785928B2 (de)
KR (1) KR101428818B1 (de)
CN (1) CN101272841B (de)
BR (1) BRPI0617575A2 (de)
DE (1) DE602006021461D1 (de)
WO (1) WO2007041310A2 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040260034A1 (en) 2003-06-19 2004-12-23 Haile William Alston Water-dispersible fibers and fibrous articles
US7892993B2 (en) 2003-06-19 2011-02-22 Eastman Chemical Company Water-dispersible and multicomponent fibers from sulfopolyesters
US8513147B2 (en) * 2003-06-19 2013-08-20 Eastman Chemical Company Nonwovens produced from multicomponent fibers
US7789930B2 (en) * 2006-11-13 2010-09-07 Research Triangle Institute Particle filter system incorporating nanofibers
US7717975B2 (en) * 2005-02-16 2010-05-18 Donaldson Company, Inc. Reduced solidity web comprising fiber and fiber spacer or separation means
JP4697135B2 (ja) * 2006-12-26 2011-06-08 トヨタ紡織株式会社 エアフィルタ用濾材
US8343250B2 (en) * 2007-05-02 2013-01-01 E I Du Pont De Nemours And Company Bag house filters and media
JP2009028703A (ja) * 2007-07-24 2009-02-12 Kanai Juyo Kogyo Co Ltd エアフィルタ用濾材
US8679217B2 (en) * 2007-09-07 2014-03-25 E I Du Pont De Nemours And Company Pleated nanoweb structures
US8986432B2 (en) * 2007-11-09 2015-03-24 Hollingsworth & Vose Company Meltblown filter medium, related applications and uses
CN107126764A (zh) * 2007-11-09 2017-09-05 霍林斯沃思和沃斯有限公司 熔喷过滤介质
US8512432B2 (en) * 2008-08-01 2013-08-20 David Charles Jones Composite filter media
SG10201605780QA (en) 2009-03-19 2016-09-29 Emd Millipore Corp Removal of microorganisms from fluid samples using nanofiber filtration media
US8950587B2 (en) 2009-04-03 2015-02-10 Hollingsworth & Vose Company Filter media suitable for hydraulic applications
US8512519B2 (en) * 2009-04-24 2013-08-20 Eastman Chemical Company Sulfopolyesters for paper strength and process
US8636833B2 (en) * 2009-09-16 2014-01-28 E I Du Pont De Nemours And Company Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
CN102892938A (zh) * 2010-05-25 2013-01-23 可隆时装面料株式会社 聚酰亚胺多孔网、其制备方法和包含该聚酰亚胺多孔网的电解质膜
CN108579207A (zh) 2010-08-10 2018-09-28 Emd密理博公司 用于去除反转录病毒的方法
US9273417B2 (en) 2010-10-21 2016-03-01 Eastman Chemical Company Wet-Laid process to produce a bound nonwoven article
US8518525B2 (en) * 2010-12-09 2013-08-27 E I Du Pont De Nemours And Company Polyimide nanoweb with amidized surface and method for preparing
US20120152821A1 (en) 2010-12-17 2012-06-21 Hollingsworth & Vose Company Fine fiber filter media and processes
US10155186B2 (en) 2010-12-17 2018-12-18 Hollingsworth & Vose Company Fine fiber filter media and processes
CN105413480B (zh) 2011-04-01 2019-03-29 Emd密理博公司 含有纳米纤维的复合材料结构
US8840758B2 (en) 2012-01-31 2014-09-23 Eastman Chemical Company Processes to produce short cut microfibers
JP5978460B2 (ja) * 2012-05-25 2016-08-24 パナソニックＩｐマネジメント株式会社 エアフィルタと、このエアフィルタを備えた空気清浄装置、およびその製造方法
JP6089199B2 (ja) * 2012-02-15 2017-03-08 パナソニックＩｐマネジメント株式会社 エアフィルタとこのエアフィルタを備えた空気清浄装置
CN104066492B (zh) * 2012-02-15 2016-04-27 松下知识产权经营株式会社 空气过滤器、具有该空气过滤器的空气净化装置和该空气过滤器的制造方法
WO2013121733A1 (ja) * 2012-02-15 2013-08-22 パナソニック株式会社 エアフィルタ、そのエアフィルタを備えた空気清浄装置、およびそのエアフィルタの製造方法
KR102116776B1 (ko) * 2013-04-11 2020-05-29 도레이 카부시키가이샤 혼섬 부직포 및 그 제조 방법
US9617685B2 (en) 2013-04-19 2017-04-11 Eastman Chemical Company Process for making paper and nonwoven articles comprising synthetic microfiber binders
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
KR102072698B1 (ko) * 2013-08-27 2020-03-02 주식회사 엘지화학 중공사막 제조장치
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
KR20200058600A (ko) 2014-06-26 2020-05-27 이엠디 밀리포어 코포레이션 개선된 먼지 포집 능력을 갖는 필터 구조
DE102014216979A1 (de) 2014-08-26 2016-03-03 Mahle International Gmbh Endabscheider
US10343095B2 (en) 2014-12-19 2019-07-09 Hollingsworth & Vose Company Filter media comprising a pre-filter layer
DE102015002672A1 (de) * 2015-03-03 2016-09-08 Mann + Hummel Gmbh Filtermedium und Filterelement mit einem Filtermedium
US20160256806A1 (en) * 2015-03-06 2016-09-08 Lydall, Inc. Composite filter media including a nanofiber layer formed directly onto a conductive layer
KR102206963B1 (ko) 2015-04-17 2021-01-25 이엠디 밀리포어 코포레이션 접선방향 유동 여과 모드에서 작동되는 나노섬유 한외여과막을 사용하여 샘플에서 목적하는 생물학적 물질을 정제하는 방법
ES2803243T3 (es) * 2015-08-22 2021-01-25 Munksjoe Ahlstrom Oyj Separador de combustible y agua para eliminar agua de emulsiones de agua e hidrocarburo, con eficacia mejorada
WO2019050767A1 (en) * 2017-09-05 2019-03-14 4C Air, Inc. NANOFIBER SAIL HAVING A CONTROLLED FRACTION OF SOLID VOLUME
DE102017010021A1 (de) * 2017-10-27 2019-05-02 Mann+Hummel Gmbh Koaleszenzabscheider, insbesondere zur Verwendung in einem Kurbelgehäuseentlüftungssystem, Kurbelgehäuseentlüftungssystem sowie Verwendung eines Koaleszenzabscheiders
WO2020210695A1 (en) * 2019-04-12 2020-10-15 Ascend Performance Materials Operations Llc Nonwoven multilayer structures having nanofiber layers
BR112021020488A2 (pt) 2019-05-01 2022-02-15 Ascend Performance Mat Operations Llc Meio filtrante compreendendo camada de nanofibra de poliamida
US20220347609A1 (en) * 2019-07-22 2022-11-03 Amogreentech Co., Ltd. Filter medium and composite filter including same
CN112176436B (zh) * 2020-09-07 2021-11-02 江南大学 一种基于溶液喷射纺丝方法的顺丁橡胶微纳米纤维

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1044615A (en) * 1974-01-30 1978-12-19 Minnesota Mining And Manufacturing Company Low pressure drop filter medium
US4011067A (en) * 1974-01-30 1977-03-08 Minnesota Mining And Manufacturing Company Filter medium layered between supporting layers
GB1527592A (en) * 1974-08-05 1978-10-04 Ici Ltd Wound dressing
JPS5910319A (ja) * 1982-07-09 1984-01-19 Asahi Chem Ind Co Ltd 高性能エアーフィルター用濾材の製造方法
DE19919809C2 (de) * 1999-04-30 2003-02-06 Fibermark Gessner Gmbh & Co Staubfilterbeutel, enthaltend Nanofaservlies
US6554881B1 (en) * 1999-10-29 2003-04-29 Hollingsworth & Vose Company Filter media
US6716247B2 (en) * 2000-02-04 2004-04-06 Gary K. Michelson Expandable push-in interbody spinal fusion implant
US7115150B2 (en) * 2000-09-05 2006-10-03 Donaldson Company, Inc. Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method
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
US20030129909A1 (en) * 2001-11-16 2003-07-10 Polymer Group, Inc. Nonwoven barrier fabrics with enhanced barrier to weight performance
US6872311B2 (en) * 2002-01-31 2005-03-29 Koslow Technologies Corporation Nanofiber filter media
US20040038013A1 (en) * 2002-08-20 2004-02-26 Schaefer James W. Fiber containing filter media
US20040038014A1 (en) * 2002-08-20 2004-02-26 Donaldson Company, Inc. Fiber containing filter media
CN1681988B (zh) * 2002-09-17 2010-08-11 纳幕尔杜邦公司 阻液性能极高的织物
JP2006500247A (ja) * 2002-09-19 2006-01-05 ポリマー・グループ・インコーポレーテツド 改善された障壁特性をもつ産業用不織繊維布
US20040116025A1 (en) * 2002-12-17 2004-06-17 Gogins Mark A. Air permeable garment and fabric with integral aerosol filtration
US7008465B2 (en) * 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
US20040255873A1 (en) * 2003-06-23 2004-12-23 General Electric Company System and method for effervescent fuel atomization
EP1639159B2 (de) * 2003-06-30 2018-07-18 The Procter & Gamble Company Beschichtete nanofaservliese
US20040261381A1 (en) * 2003-06-30 2004-12-30 Mann & Hummel Gmbh Filter element
US7576019B2 (en) * 2004-04-19 2009-08-18 The Procter & Gamble Company Fibers, nonwovens and articles containing nanofibers produced from high glass transition temperature polymers
CN1968720B (zh) * 2004-04-21 2010-05-05 东丽株式会社 医用过滤材料及使用了该过滤材料的体外循环柱和血液过滤器
DE102004020555B4 (de) * 2004-04-27 2006-09-21 Fibermark Gessner Gmbh & Co. Staubfilterbeutel, enthaltend Schaumstofflage
US20060137317A1 (en) * 2004-12-28 2006-06-29 Bryner Michael A Filtration media for filtering particulate material from gas streams

Also Published As

Publication number Publication date
JP2009509753A (ja) 2009-03-12
CN101272841B (zh) 2012-03-07
WO2007041310A3 (en) 2007-06-14
JP4785928B2 (ja) 2011-10-05
KR101428818B1 (ko) 2014-08-12
WO2007041310A2 (en) 2007-04-12
US20070074628A1 (en) 2007-04-05
BRPI0617575A2 (pt) 2011-07-26
EP1954373B1 (de) 2011-04-20
EP1954373A2 (de) 2008-08-13
KR20080060264A (ko) 2008-07-01
CN101272841A (zh) 2008-09-24

Similar Documents

Publication Publication Date Title
DE602006021461D1 (de) Koaleszierendes filtrationsmedium und verfahren
DE602006020386D1 (de) Duraimplantat und Verfahren zu seiner Herstellung
DE602006010154D1 (de) Biometrisches System und biometrisches Verfahren
DE602006002402D1 (de) Optischer Empfänger und entsprechendes Verfahren
DE602005009367D1 (de) Wasser-absorbierendes mittel und verfahren zu seiner herstellung
DE602006016666D1 (de) Kommunikationsvorrichtung und Verfahren
DE602005009537D1 (de) Änger mit niedriger zf und assoziiertes verfahren
DE602006021341D1 (de) Rauchgasnassentschwefelungsvorrichtung und verfahren zur rauchgasnassentschwefelung
FI20065747A (fi) Menetelmä ja järjestely suodattimen puhdistamiseksi
DE602005027294D1 (de) Wabenkörperfilter und Verfahren zu seiner Herstellung
ATE518584T1 (de) Tönungsmaschinensystem und verfahren
DE602006005208D1 (de) Tonerzusammensetzung und Verfahren
DE602006000297D1 (de) Verbinder , Verbinderprüfgerät und Verfahren
DE602006001238D1 (de) Filter und dessen Herstellungsmethode
DE502006009351D1 (de) Feinteiliges azopigment und verfahren zu seiner herstellung
ATE442898T1 (de) Filtrationsverfahren
DE602006014075D1 (de) Verdichter und Verfahren zu seiner Ansteuerung
DE602006021029D1 (de) Filtermodul und verfahren zu dessen herstellung
DE602006018129D1 (de) Codierer, decodierer und verfahren dafür
DE602005023261D1 (de) Duale Speichervorrichtung und Verfahren dergleichen
DE502006005961D1 (de) Endoskop und Verfahren zu seiner Herstellung
DE602006002094D1 (de) Verbindermotageanordnung und Verfahren
DE602006012326D1 (de) Filtermodul und verfahren zu dessen herstellung
DE602006012785D1 (de) Verbinder und Verfahren zu seinem Zusammenbau
DE602006014866D1 (de) Elastisches polyurethangarn und verfahren zu seiner herstellung