DE60031001D1 - Verfahren zur herstellung einer elektretfaserstoffbahn mit einer nichtwässrigen polaren flüssigkeit - Google Patents

Verfahren zur herstellung einer elektretfaserstoffbahn mit einer nichtwässrigen polaren flüssigkeit

Info

Publication number
DE60031001D1
DE60031001D1 DE60031001T DE60031001T DE60031001D1 DE 60031001 D1 DE60031001 D1 DE 60031001D1 DE 60031001 T DE60031001 T DE 60031001T DE 60031001 T DE60031001 T DE 60031001T DE 60031001 D1 DE60031001 D1 DE 60031001D1
Authority
DE
Germany
Prior art keywords
web
nonaqueous
fibrous
liquids
wetted
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 - Fee Related
Application number
DE60031001T
Other languages
English (en)
Other versions
DE60031001T2 (de
Inventor
D Eitzman
D Rousseau
E Jones
Seyed A Angadjivand
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Application granted granted Critical
Publication of DE60031001D1 publication Critical patent/DE60031001D1/de
Publication of DE60031001T2 publication Critical patent/DE60031001T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A41D13/1146—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration obtained by moulding
    • 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
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/12—Aldehydes; Ketones
    • D06M13/127—Mono-aldehydes, e.g. formaldehyde; Monoketones
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D06M13/148—Polyalcohols, e.g. glycerol or glucose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
    • D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/345—Nitriles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/402—Amides imides, sulfamic acids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/10—Processes in which the treating agent is dissolved or dispersed in organic solvents; Processes for the recovery of organic solvents thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Emergency Medicine (AREA)
  • Filtering Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Nonwoven Fabrics (AREA)
  • Artificial Filaments (AREA)
DE60031001T 1999-10-08 2000-02-04 Verfahren zur herstellung einer elektretfaserstoffbahn mit einer nichtwässrigen polaren flüssigkeit Expired - Fee Related DE60031001T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/416,216 US6454986B1 (en) 1999-10-08 1999-10-08 Method of making a fibrous electret web using a nonaqueous polar liquid
US416216 1999-10-08
PCT/US2000/002978 WO2001027381A1 (en) 1999-10-08 2000-02-04 Method of making a fibrous electret web using a nonaqueous polar liquid

Publications (2)

Publication Number Publication Date
DE60031001D1 true DE60031001D1 (de) 2006-11-09
DE60031001T2 DE60031001T2 (de) 2007-05-03

Family

ID=23649056

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60031001T Expired - Fee Related DE60031001T2 (de) 1999-10-08 2000-02-04 Verfahren zur herstellung einer elektretfaserstoffbahn mit einer nichtwässrigen polaren flüssigkeit

Country Status (14)

Country Link
US (1) US6454986B1 (de)
EP (1) EP1244837B1 (de)
JP (1) JP4563637B2 (de)
KR (1) KR100633816B1 (de)
CN (1) CN1238591C (de)
AT (1) ATE340891T1 (de)
AU (1) AU771734B2 (de)
BR (1) BR0014555A (de)
CA (1) CA2388236A1 (de)
DE (1) DE60031001T2 (de)
MX (1) MXPA02003370A (de)
PL (1) PL354170A1 (de)
RU (1) RU2247182C2 (de)
WO (1) WO2001027381A1 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
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US6432175B1 (en) 1998-07-02 2002-08-13 3M Innovative Properties Company Fluorinated electret
US6406657B1 (en) * 1999-10-08 2002-06-18 3M Innovative Properties Company Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
JP2002161471A (ja) * 2000-11-28 2002-06-04 Toray Ind Inc エレクトレット加工品の製造方法
JP4686896B2 (ja) * 2001-05-11 2011-05-25 東レ株式会社 エレクトレット加工品の製造方法
US6969484B2 (en) 2001-06-18 2005-11-29 Toray Industries, Inc. Manufacturing method and device for electret processed product
US9506173B2 (en) * 2004-05-17 2016-11-29 Jnc Fibers Corporation Electro-chargeable fiber, nonwoven fabric and nonwoven product thereof
US7320722B2 (en) * 2004-10-29 2008-01-22 3M Innovative Properties Company Respiratory protection device that has rapid threaded clean air source attachment
US7419526B2 (en) * 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
US7244291B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having high fluorosaturation ratio
US7244292B2 (en) * 2005-05-02 2007-07-17 3M Innovative Properties Company Electret article having heteroatoms and low fluorosaturation ratio
US7553440B2 (en) * 2005-05-12 2009-06-30 Leonard William K Method and apparatus for electric treatment of substrates
KR101367509B1 (ko) * 2005-10-19 2014-02-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 흡음 특성을 갖는 다층 용품과 이의 제조 및 사용 방법
US20080271740A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free flat-fold respirator that includes a graspable tab
US20080271739A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
CN101801465B (zh) 2007-09-20 2012-07-11 3M创新有限公司 具有可伸展的面罩主体的过滤式面具呼吸器
EP2222908B1 (de) 2007-12-06 2013-01-16 3M Innovative Properties Company Elektretvliese mit ladungsverstärkenden additiven
CN102046871B (zh) 2008-06-02 2013-02-13 3M创新有限公司 驻极体料片、驻极体过滤介质和制备驻极体料片的方法
US7765698B2 (en) * 2008-06-02 2010-08-03 3M Innovative Properties Company Method of making electret articles based on zeta potential
KR101039375B1 (ko) * 2008-11-07 2011-06-08 광명산업(주) 다웰핀 제거장치
RU2469756C1 (ru) * 2008-12-18 2012-12-20 Зм Инновейтив Пропертиз Компани Формованное слоеное нетканое полотно, содержащее частицы
US11083916B2 (en) 2008-12-18 2021-08-10 3M Innovative Properties Company Flat fold respirator having flanges disposed on the mask body
EP2391442A1 (de) 2009-01-19 2011-12-07 Fujifilm Manufacturing Europe BV Verfahren zur herstellung von membranen
CN102439209B (zh) * 2009-04-03 2014-10-29 3M创新有限公司 包括驻极体料片在内的烯属料片的加工助剂
US20100252047A1 (en) 2009-04-03 2010-10-07 Kirk Seth M Remote fluorination of fibrous filter webs
RU2477344C1 (ru) 2009-04-03 2013-03-10 3М Инновейтив Пропертиз Компани Электретные полотна с добавками, способствующими заряжанию полотна
US8881729B2 (en) 2009-09-18 2014-11-11 3M Innovative Properties Company Horizontal flat-fold filtering face-piece respirator having indicia of symmetry
US8640704B2 (en) 2009-09-18 2014-02-04 3M Innovative Properties Company Flat-fold filtering face-piece respirator having structural weld pattern
KR20110031144A (ko) 2009-09-18 2011-03-24 쓰리엠 이노베이티브 프로퍼티즈 컴파니 파지 특징부 표시부를 갖는 안면부 여과식 호흡기
US8528560B2 (en) 2009-10-23 2013-09-10 3M Innovative Properties Company Filtering face-piece respirator having parallel line weld pattern in mask body
US8967147B2 (en) 2009-12-30 2015-03-03 3M Innovative Properties Company Filtering face-piece respirator having an auxetic mesh in the mask body
US20120017911A1 (en) 2010-07-26 2012-01-26 3M Innovative Properties Company Filtering face-piece respirator having foam shaping layer
US8585808B2 (en) 2010-11-08 2013-11-19 3M Innovative Properties Company Zinc oxide containing filter media and methods of forming the same
US20120125341A1 (en) 2010-11-19 2012-05-24 3M Innovative Properties Company Filtering face-piece respirator having an overmolded face seal
KR20140037942A (ko) 2011-06-30 2014-03-27 쓰리엠 이노베이티브 프로퍼티즈 캄파니 부직 일렉트릿 섬유질 웨브 및 이를 제조하는 방법
US9700743B2 (en) 2012-07-31 2017-07-11 3M Innovative Properties Company Respiratory assembly including latching mechanism
IN2014CN00654A (de) 2011-08-01 2015-04-03 3M Innovative Properties Co
US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
US10182603B2 (en) 2012-12-27 2019-01-22 3M Innovative Properties Company Filtering face-piece respirator having strap-activated folded flange
BR112015015420A2 (pt) 2012-12-28 2017-07-11 3M Innovative Properties Co mantas de eletreto com aditivos acentuadores de carga
US9510626B2 (en) 2013-02-01 2016-12-06 3M Innovative Properties Company Sleeve-fit respirator cartridge
EP2986354B1 (de) 2013-04-19 2017-06-14 3M Innovative Properties Company Elektretvliese mit ladungsverstärkenden additiven
CN105765124B (zh) 2013-11-26 2019-02-19 3M创新有限公司 尺寸稳定的熔喷非织造纤维结构及其制备方法和设备
EP3110275B1 (de) 2014-02-27 2019-01-09 3M Innovative Properties Company Atemgerät mit elastischen bändern mit lochmusterstruktur
US10040621B2 (en) 2014-03-20 2018-08-07 3M Innovative Properties Company Filtering face-piece respirator dispenser
ES2674802T3 (es) 2014-06-23 2018-07-04 3M Innovative Properties Company Bandas de electret con aditivos potenciadores de la carga
CA2958288A1 (en) 2014-08-18 2016-02-25 3M Innovative Properties Company Respirator including polymeric netting and method of forming same
EP3212018A1 (de) 2014-10-31 2017-09-06 3M Innovative Properties Company Beatmungsgerät mit gewellter filtrierungsstruktur
GB201508114D0 (en) 2015-05-12 2015-06-24 3M Innovative Properties Co Respirator tab
BR112018000377A2 (pt) 2015-07-07 2018-09-11 3M Innovative Properties Co matrizes poliméricas com aditivos iônicos
CA2991197A1 (en) 2015-07-07 2017-01-12 3M Innovative Properties Company Electret webs with charge-enhancing additives
EP3319947B1 (de) 2015-07-07 2022-05-04 3M Innovative Properties Company Substituierte benzotriazolphenole
KR102627554B1 (ko) 2015-07-07 2024-01-22 쓰리엠 이노베이티브 프로퍼티즈 캄파니 치환된 벤조트라이아졸 페놀레이트 염 및 그로부터 형성된 산화방지제 조성물
RU2015141569A (ru) 2015-09-30 2017-04-05 3М Инновейтив Пропертиз Компани Складной респиратор с лицевой маской и клапаном выдоха
WO2017066284A1 (en) 2015-10-12 2017-04-20 3M Innovative Properties Company Filtering face-piece respirator including functional material and method of forming same
EP3374035B1 (de) 2015-11-11 2020-12-23 3M Innovative Properties Company Formerhaltende flachgefaltete atemschutzmaske
CN109922868A (zh) 2016-10-28 2019-06-21 3M创新有限公司 包括加强元件的呼吸器
WO2018127831A1 (en) 2017-01-05 2018-07-12 3M Innovative Properties Company Electret webs with charge-enhancing additives
RU2644316C1 (ru) * 2017-01-10 2018-02-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Курский государственный медицинский университет" Министерства здравоохранения Российской Федерации Профилактическая лицевая маска для противомикробной защиты при заболеваниях верхних дыхательных путей, передающихся воздушно-капельным путем
RU2671037C2 (ru) 2017-03-17 2018-10-29 3М Инновейтив Пропертиз Компани Складной респиратор с лицевой маской типа ffp3
CN106964199B (zh) * 2017-05-04 2022-08-09 浙江金海高科股份有限公司 驻极体材料的液体充电方法和装置
EP3651887A4 (de) 2017-07-14 2021-04-14 3M Innovative Properties Company Adapter zum fördern mehrerer flüssigkeitsströme
WO2019130150A2 (en) 2017-12-28 2019-07-04 3M Innovative Properties Company Ceramic-coated fibers including a flame-retarding polymer, and methods of making nonwoven structures
CA3138150C (en) 2019-05-01 2023-09-19 Ascend Performance Materials Operations Llc Filter media comprising polyamide nanofiber layer
WO2020261035A1 (en) 2019-06-26 2020-12-30 3M Innovative Properties Company Method of making a nonwoven fiber web, nonwoven fiber web, and multi-component fiber
KR20220024679A (ko) 2019-06-28 2022-03-03 쓰리엠 이노베이티브 프로퍼티즈 캄파니 코어-시스 섬유, 부직 섬유질 웨브, 및 이를 포함하는 호흡기
US20220323890A1 (en) 2019-06-28 2022-10-13 3M Innovative Properties Company Filter assembly, prefilter assembly, and respirator including the same
WO2021074863A1 (en) 2019-10-16 2021-04-22 3M Innovative Properties Company Dual-function melt additives
WO2021074746A1 (en) 2019-10-16 2021-04-22 3M Innovative Properties Company Substituted benzimidazole melt additives
EP4069898B1 (de) 2019-12-03 2023-06-21 3M Innovative Properties Company Thiolatsalzschmelzadditive
WO2021111290A1 (en) 2019-12-03 2021-06-10 3M Innovative Properties Company Aromatic-heterocyclic ring melt additives
US20230095033A1 (en) 2020-01-27 2023-03-30 3M Innovative Properties Company Substituted thiolate salt melt additives
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DE102020107746A1 (de) 2020-03-20 2021-09-23 Solvamed Gmbh Verbesserte Atemschutzmaske
CN111394887B (zh) * 2020-03-20 2022-04-08 江苏丽洋新材料股份有限公司 一种液体摩擦驻极体过滤材料的制备装置
EP4196630A1 (de) 2020-08-11 2023-06-21 3M Innovative Properties Company Elektretnetze mit ladungserhöhenden additiven aus carbonsäure- oder carboxylatsalz
US20230285884A1 (en) 2020-08-11 2023-09-14 3M Innovative Properties Company Electret webs with benzoate salt charge-enhancing additives
EP4237601A1 (de) 2020-11-02 2023-09-06 3M Innovative Properties Company Kern-hülle-fasern, vliesfaserbahn und filterartikel damit
JP2024501213A (ja) 2020-12-18 2024-01-11 スリーエム イノベイティブ プロパティズ カンパニー 置換シクロトリホスファゼン化合物を含むエレクトレット及びそれから得られる物品
WO2023031697A1 (en) 2021-09-01 2023-03-09 3M Innovative Properties Company Anti-virus respirator and mask
US20240115889A1 (en) 2022-10-07 2024-04-11 3M Innovative Properties Company Disposable, Flat-Fold Respirator Having Increased Stiffness in Selected Areas

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EP1244837B1 (de) 2006-09-27
WO2001027381A1 (en) 2001-04-19
AU771734B2 (en) 2004-04-01
KR100633816B1 (ko) 2006-10-17
DE60031001T2 (de) 2007-05-03
US6454986B1 (en) 2002-09-24
BR0014555A (pt) 2002-06-04
MXPA02003370A (es) 2004-09-10
KR20020063561A (ko) 2002-08-03
AU3483200A (en) 2001-04-23
CN1238591C (zh) 2006-01-25
EP1244837A1 (de) 2002-10-02
ATE340891T1 (de) 2006-10-15
CA2388236A1 (en) 2001-04-19
JP2003511580A (ja) 2003-03-25
PL354170A1 (en) 2003-12-29
CN1384896A (zh) 2002-12-11
JP4563637B2 (ja) 2010-10-13
RU2247182C2 (ru) 2005-02-27

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