BRPI0906535A2 - "meio de filtração composto por uma rede de nanofibras e método para filtração de ar" - Google Patents
"meio de filtração composto por uma rede de nanofibras e método para filtração de ar"Info
- Publication number
- BRPI0906535A2 BRPI0906535A2 BRPI0906535-0A BRPI0906535A BRPI0906535A2 BR PI0906535 A2 BRPI0906535 A2 BR PI0906535A2 BR PI0906535 A BRPI0906535 A BR PI0906535A BR PI0906535 A2 BRPI0906535 A2 BR PI0906535A2
- Authority
- BR
- Brazil
- Prior art keywords
- filtration
- nanofiber network
- medium
- air
- air filtration
- Prior art date
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
- 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
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12335008P | 2008-04-07 | 2008-04-07 | |
US13249808P | 2008-06-19 | 2008-06-19 | |
PCT/US2009/039742 WO2009126605A2 (en) | 2008-04-07 | 2009-04-07 | Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0906535A2 true BRPI0906535A2 (pt) | 2015-06-30 |
Family
ID=41100566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0906535-0A BRPI0906535A2 (pt) | 2008-04-07 | 2009-04-07 | "meio de filtração composto por uma rede de nanofibras e método para filtração de ar" |
Country Status (7)
Country | Link |
---|---|
US (1) | US8282712B2 (pt) |
EP (1) | EP2259860B1 (pt) |
JP (1) | JP5619723B2 (pt) |
KR (1) | KR101700455B1 (pt) |
CN (1) | CN101983097B (pt) |
BR (1) | BRPI0906535A2 (pt) |
WO (1) | WO2009126605A2 (pt) |
Families Citing this family (45)
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---|---|---|---|---|
US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US8513147B2 (en) | 2003-06-19 | 2013-08-20 | Eastman Chemical Company | Nonwovens produced from multicomponent fibers |
US7892993B2 (en) | 2003-06-19 | 2011-02-22 | Eastman Chemical Company | Water-dispersible and multicomponent fibers from sulfopolyesters |
US20040260034A1 (en) | 2003-06-19 | 2004-12-23 | Haile William Alston | Water-dispersible fibers and fibrous articles |
US8172092B2 (en) * | 2009-01-22 | 2012-05-08 | Clarcor Inc. | Filter having melt-blown and electrospun fibers |
ES2477219T3 (es) * | 2009-02-17 | 2014-07-16 | Essentra Porous Technologies Corp. | Estructuras de fibras de transmisión de fluidos, de múltiples capas, que contienen nanofibras y método de fabricación de tales estructuras |
SG174346A1 (en) | 2009-03-19 | 2011-11-28 | Millipore Corp | Removal of microorganisms from fluid samples using nanofiber filtration media |
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 |
WO2012021308A2 (en) | 2010-08-10 | 2012-02-16 | Millipore Corporation | Method for retrovirus removal |
US9273417B2 (en) | 2010-10-21 | 2016-03-01 | Eastman Chemical Company | Wet-Laid process to produce a bound nonwoven article |
SG192027A1 (en) | 2011-04-01 | 2013-08-30 | Emd Millipore Corp | Nanofiber containing composite structures |
CN102240490A (zh) * | 2011-07-13 | 2011-11-16 | 东华大学 | 一种暖通空调用折叠式空气净化过滤器 |
KR102280136B1 (ko) * | 2011-08-12 | 2021-07-22 | 도널드선 컴파니 인코포레이티드 | 멜트-블로운 섬유를 포함하는 액체 여과 매질 |
JP5838408B2 (ja) | 2011-10-27 | 2016-01-06 | 株式会社生方製作所 | 静電容量式液面センサー |
WO2013103572A1 (en) | 2012-01-05 | 2013-07-11 | Tdc Filter Manufacturing, Inc. | Waterproof and salt repellant media and filter |
US8840758B2 (en) | 2012-01-31 | 2014-09-23 | Eastman Chemical Company | Processes to produce short cut microfibers |
JP2014084548A (ja) * | 2012-10-26 | 2014-05-12 | Teijin Ltd | 不織布およびその製造方法 |
US20140190137A1 (en) * | 2013-01-10 | 2014-07-10 | Tdc Filter Manufacturing, Inc. | Media and Filter for Coastal and High Humidity Areas |
DK2959509T3 (en) | 2013-02-14 | 2018-08-13 | Nanopareil Llc | Electrospun hybrid nanofiber felt, method of making it and method of purifying biomolecules |
CN111905457B (zh) | 2013-03-15 | 2022-04-15 | 唐纳森公司 | 过滤介质和元件 |
US9617685B2 (en) | 2013-04-19 | 2017-04-11 | Eastman Chemical Company | Process for making paper and nonwoven articles comprising synthetic microfiber binders |
DE102013007118A1 (de) * | 2013-04-25 | 2014-10-30 | Mann + Hummel Gmbh | Mehrlagiges Filterelement |
US9474994B2 (en) | 2013-06-17 | 2016-10-25 | Donaldson Company, Inc. | Filter media and elements |
CN105899275B (zh) | 2013-10-21 | 2017-12-12 | 纳幕尔杜邦公司 | 作为空气过滤介质的驻极体纳米纤维网 |
JP6158061B2 (ja) * | 2013-12-10 | 2017-07-05 | 北越紀州製紙株式会社 | エアフィルタ用濾材 |
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 |
US10343095B2 (en) | 2014-12-19 | 2019-07-09 | Hollingsworth & Vose Company | Filter media comprising a pre-filter layer |
US10632411B2 (en) | 2015-03-25 | 2020-04-28 | K&N Engineering, Inc. | HVAC home air filter |
US11241647B2 (en) | 2015-03-25 | 2022-02-08 | K&N Engineering, Inc. | HVAC home air filter |
KR102206959B1 (ko) | 2015-04-17 | 2021-01-25 | 이엠디 밀리포어 코포레이션 | 접선방향 유동 여과 모드에서 작동되는 나노섬유 한외여과막을 사용하여 샘플에서 목적하는 생물학적 물질을 정제하는 방법 |
US10828587B2 (en) * | 2015-04-17 | 2020-11-10 | Hollingsworth & Vose Company | Stable filter media including nanofibers |
US10561972B2 (en) * | 2015-09-18 | 2020-02-18 | Hollingsworth & Vose Company | Filter media including a waved filtration layer |
US10449474B2 (en) | 2015-09-18 | 2019-10-22 | Hollingsworth & Vose Company | Filter media including a waved filtration layer |
CA3030560A1 (en) * | 2016-07-11 | 2018-01-18 | K&N Engineering, Inc. | Hvac home air filter |
WO2018175556A1 (en) * | 2017-03-22 | 2018-09-27 | Hollingsworth & Vose Company | Filter media including a waved filteration layer |
US10913022B2 (en) | 2017-03-29 | 2021-02-09 | Knowlton Technologies, Llc | Process for utilizing a high efficiency synthetic filter media |
US20180290087A1 (en) * | 2017-04-11 | 2018-10-11 | Hollingsworth & Vose Company | Polyethersulfone fiber webs |
EP3802924A1 (en) | 2018-06-08 | 2021-04-14 | Ascend Performance Materials Operations LLC | Tunable nanofiber nonwoven products |
US11433332B2 (en) | 2018-11-05 | 2022-09-06 | Hollingsworth & Vose Company | Filter media with irregular structure |
US11420143B2 (en) | 2018-11-05 | 2022-08-23 | Hollingsworth & Vose Company | Filter media with irregular structure and/or reversibly stretchable layers |
US11452959B2 (en) | 2018-11-30 | 2022-09-27 | Hollingsworth & Vose Company | Filter media having a fine pore size distribution |
EP3953169B1 (en) | 2019-04-12 | 2023-12-20 | Ascend Performance Materials Operations LLC | Nonwoven multilayer structures having nanofiber layers |
KR102127319B1 (ko) * | 2019-07-09 | 2020-06-29 | 주식회사 대창 | 나노섬유를 포함하는 기재 및 이를 제조하는 방법 |
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US2797163A (en) | 1952-11-22 | 1957-06-25 | Walter J Smith | Method of making filter media |
US3253978A (en) | 1961-07-19 | 1966-05-31 | C H Dexter & Sons Inc | Method of forming an inorganic waterlaid sheet containing colloidal silica and cationic starch |
US3228825A (en) | 1961-08-15 | 1966-01-11 | Owens Corning Fiberglass Corp | Method of forming fibrous structures from a combination of glass fibers and cellulosic fibers |
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US6315806B1 (en) | 1997-09-23 | 2001-11-13 | Leonard Torobin | Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby |
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US6520425B1 (en) | 2001-08-21 | 2003-02-18 | The University Of Akron | Process and apparatus for the production of nanofibers |
US6695992B2 (en) | 2002-01-22 | 2004-02-24 | The University Of Akron | Process and apparatus for the production of nanofibers |
KR100549140B1 (ko) | 2002-03-26 | 2006-02-03 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 일렉트로-브로운 방사법에 의한 초극세 나노섬유 웹제조방법 |
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JP4745815B2 (ja) * | 2005-12-20 | 2011-08-10 | 帝人テクノプロダクツ株式会社 | 内燃機関空気取り入れ用フィルター材 |
EP1834683A1 (de) | 2006-03-14 | 2007-09-19 | Diolen Industrial Fibers B.V. | Stützgewebe und ein das Gewebe enthaltendes Filterelement |
JP2007301436A (ja) * | 2006-05-08 | 2007-11-22 | Kanai Juyo Kogyo Co Ltd | エアフィルタ用濾材 |
JP4424444B2 (ja) * | 2006-09-14 | 2010-03-03 | ダイニック株式会社 | エアフィルタ材料 |
-
2009
- 2009-04-06 US US12/418,928 patent/US8282712B2/en active Active
- 2009-04-07 JP JP2011504120A patent/JP5619723B2/ja active Active
- 2009-04-07 CN CN200980111858.2A patent/CN101983097B/zh active Active
- 2009-04-07 BR BRPI0906535-0A patent/BRPI0906535A2/pt not_active IP Right Cessation
- 2009-04-07 WO PCT/US2009/039742 patent/WO2009126605A2/en active Application Filing
- 2009-04-07 KR KR1020107024866A patent/KR101700455B1/ko active IP Right Grant
- 2009-04-07 EP EP09729386.4A patent/EP2259860B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2259860A2 (en) | 2010-12-15 |
KR20110004424A (ko) | 2011-01-13 |
CN101983097B (zh) | 2014-08-27 |
WO2009126605A2 (en) | 2009-10-15 |
WO2009126605A3 (en) | 2010-03-25 |
US20090249956A1 (en) | 2009-10-08 |
CN101983097A (zh) | 2011-03-02 |
JP2011516261A (ja) | 2011-05-26 |
JP5619723B2 (ja) | 2014-11-05 |
US8282712B2 (en) | 2012-10-09 |
EP2259860B1 (en) | 2018-10-31 |
KR101700455B1 (ko) | 2017-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |