BRPI0517587B1 - meio de filtração, processo para a filtração da matéria particulada da corrente de ar e processo de formação de um meio de filtração - Google Patents

meio de filtração, processo para a filtração da matéria particulada da corrente de ar e processo de formação de um meio de filtração Download PDF

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Publication number
BRPI0517587B1
BRPI0517587B1 BRPI0517587A BRPI0517587A BRPI0517587B1 BR PI0517587 B1 BRPI0517587 B1 BR PI0517587B1 BR PI0517587 A BRPI0517587 A BR PI0517587A BR PI0517587 A BRPI0517587 A BR PI0517587A BR PI0517587 B1 BRPI0517587 B1 BR PI0517587B1
Authority
BR
Brazil
Prior art keywords
medium
layer
nanofiber layer
nanofiber
mesh
Prior art date
Application number
BRPI0517587A
Other languages
English (en)
Portuguese (pt)
Inventor
B Lynne Wiseman
David Charles Jones
Hyun Sung Lim
Josep Brian Hovanec
Michael Allen Bryner
Original Assignee
Cummins Inc
Du Pont
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 Cummins Inc, Du Pont filed Critical Cummins Inc
Publication of BRPI0517587A publication Critical patent/BRPI0517587A/pt
Publication of BRPI0517587B1 publication Critical patent/BRPI0517587B1/pt

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • B01D39/1615—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of natural 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
    • B01D39/14—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
    • 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
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
    • B01D46/22—Particle separators, e.g. dust precipitators, using filtering belts the belts travelling during filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/546—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
    • 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
    • B32B5/024—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
    • B32B5/22—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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D04H13/001—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation
    • D04H13/002—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation characterised by the disposition or nature of their elements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D04H13/001—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation
    • D04H13/007—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation strengthened or consolidated by welding together the various components
    • 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
    • B01D2239/0681—The layers being joined by gluing
    • 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
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/28—Making use of vacuum or underpressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2275/10—Multiple layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/544—Torsion strength; Torsion stiffness
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • 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
    • B32B2459/00—Nets, e.g. camouflage nets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Woven Fabrics (AREA)
  • Manufacturing Of Multi-Layer Textile Fabrics (AREA)
BRPI0517587A 2004-12-28 2005-12-28 meio de filtração, processo para a filtração da matéria particulada da corrente de ar e processo de formação de um meio de filtração BRPI0517587B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63977104P 2004-12-28 2004-12-28
PCT/US2005/047401 WO2006071980A1 (en) 2004-12-28 2005-12-28 Filtration media for filtering particulate material from gas streams

Publications (2)

Publication Number Publication Date
BRPI0517587A BRPI0517587A (pt) 2008-10-14
BRPI0517587B1 true BRPI0517587B1 (pt) 2016-12-13

Family

ID=36177902

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0517587A BRPI0517587B1 (pt) 2004-12-28 2005-12-28 meio de filtração, processo para a filtração da matéria particulada da corrente de ar e processo de formação de um meio de filtração
BRPI0517573A BRPI0517573B1 (pt) 2004-12-28 2005-12-28 tecido compósito e processo para formação de um tecido compósito

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0517573A BRPI0517573B1 (pt) 2004-12-28 2005-12-28 tecido compósito e processo para formação de um tecido compósito

Country Status (7)

Country Link
US (2) US20060137317A1 (OSRAM)
EP (2) EP1851046B1 (OSRAM)
JP (2) JP2008525195A (OSRAM)
KR (2) KR101315000B1 (OSRAM)
CN (3) CN104260445A (OSRAM)
BR (2) BRPI0517587B1 (OSRAM)
WO (2) WO2006071980A1 (OSRAM)

Families Citing this family (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7789930B2 (en) * 2006-11-13 2010-09-07 Research Triangle Institute Particle filter system incorporating nanofibers
US8021457B2 (en) 2004-11-05 2011-09-20 Donaldson Company, Inc. Filter media and structure
WO2006052732A2 (en) * 2004-11-05 2006-05-18 Donaldson Company, Inc. Filter medium and structure
US8057567B2 (en) 2004-11-05 2011-11-15 Donaldson Company, Inc. Filter medium and breather filter structure
US12172111B2 (en) 2004-11-05 2024-12-24 Donaldson Company, Inc. Filter medium and breather filter structure
US20060137317A1 (en) * 2004-12-28 2006-06-29 Bryner Michael A Filtration media for filtering particulate material from gas streams
US8177875B2 (en) 2005-02-04 2012-05-15 Donaldson Company, Inc. Aerosol separator; and method
US7717975B2 (en) * 2005-02-16 2010-05-18 Donaldson Company, Inc. Reduced solidity web comprising fiber and fiber spacer or separation means
US8404014B2 (en) 2005-02-22 2013-03-26 Donaldson Company, Inc. Aerosol separator
US20060292947A1 (en) * 2005-06-24 2006-12-28 Lavietes Daniel Polyester fiber scrim and method for making same
US20070074628A1 (en) 2005-09-30 2007-04-05 Jones David C Coalescing filtration medium and process
CZ297697B6 (cs) * 2005-11-10 2007-03-07 Elmarco, S. R. O. Filtr pro odstranování fyzikálních a/nebo biologických necistot
US20080017038A1 (en) * 2006-07-21 2008-01-24 3M Innovative Properties Company High efficiency hvac filter
WO2008016825A1 (en) * 2006-07-31 2008-02-07 E. I. Du Pont De Nemours And Company Polyarenazole microfilaments and process for making same
US20080070463A1 (en) * 2006-09-20 2008-03-20 Pankaj Arora Nanowebs
JP2008095266A (ja) * 2006-10-12 2008-04-24 Hodai Lee ナノ素材を用いた複合繊維フィルター、ナノ素材を用いた複合繊維フィルターの製造装置及びナノ素材を用いた複合繊維フィルターの製造方法
US20080113575A1 (en) * 2006-11-09 2008-05-15 Davis Michael C Solvent stripping process
US8361180B2 (en) * 2006-11-27 2013-01-29 E I Du Pont De Nemours And Company Durable nanoweb scrim laminates
US8361365B2 (en) * 2006-12-20 2013-01-29 E I Du Pont De Nemours And Company Process for electroblowing a multiple layered sheet
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
EP1953286A1 (en) * 2007-02-01 2008-08-06 Nisshinbo Industries, Inc. Fabric and mask
EP2117674A1 (en) 2007-02-22 2009-11-18 Donaldson Company, Inc. Filter element and method
EP2125149A2 (en) 2007-02-23 2009-12-02 Donaldson Company, Inc. Formed filter element
US20090071114A1 (en) * 2007-03-05 2009-03-19 Alan Smithies Gas turbine inlet air filtration filter element
US7927540B2 (en) * 2007-03-05 2011-04-19 Bha Group, Inc. Method of manufacturing a composite filter media
US8308834B2 (en) * 2007-03-05 2012-11-13 Bha Group, Inc. Composite filter media
US20080315465A1 (en) * 2007-03-05 2008-12-25 Alan Smithies Method of manufacturing composite filter media
US7942948B2 (en) * 2007-03-05 2011-05-17 Bha Group, Inc. Filter element including a composite filter media
US20080217241A1 (en) * 2007-03-05 2008-09-11 Alan Smithies Composite filter media and methods of manufacture
US20080220676A1 (en) * 2007-03-08 2008-09-11 Robert Anthony Marin Liquid water resistant and water vapor permeable garments
CZ2007179A3 (cs) * 2007-03-08 2008-09-17 Elmarco S. R. O. Lineární vlákenný útvar obsahující polymerní nanovlákna, zpusob výroby a zarízení k výrobe takovéhoútvaru
US8303693B2 (en) * 2007-04-26 2012-11-06 The Hong Kong Polytechnic University Nanofiber filter facemasks and cabin filters
US8584871B2 (en) 2007-05-30 2013-11-19 Dow Global Technologies Llc High-output solvent-based electrospinning
US8679216B2 (en) * 2007-06-07 2014-03-25 E I Du Pont De Nemours And Company Process for forming a laminate of a nanoweb and a substrate and filters using the laminate
JP4953939B2 (ja) * 2007-06-27 2012-06-13 日本バイリーン株式会社 不織布の製造方法
KR100931407B1 (ko) 2007-07-12 2009-12-11 벤텍스 주식회사 항균마스크용 원단 및 이의 제조방법
US8679217B2 (en) * 2007-09-07 2014-03-25 E I Du Pont De Nemours And Company Pleated nanoweb structures
JP4947715B2 (ja) * 2007-10-17 2012-06-06 日本バイリーン株式会社 積層シートの製造方法
US8608817B2 (en) * 2007-11-09 2013-12-17 Hollingsworth & Vose Company Meltblown filter medium
US8986432B2 (en) * 2007-11-09 2015-03-24 Hollingsworth & Vose Company Meltblown filter medium, related applications and uses
JP5161972B2 (ja) * 2007-11-09 2013-03-13 カミンズ フィルトレイション アイピー インコーポレイテッド 熱安定化されたバグハウスフィルターおよび媒体
JP5654356B2 (ja) * 2007-12-28 2015-01-14 スリーエム イノベイティブ プロパティズ カンパニー 複合不織布ウェブ並びにこれの製造及び使用方法
US9689096B2 (en) * 2007-12-31 2017-06-27 3M Innovative Properties Company Composite non-woven fibrous webs having continuous particulate phase and methods of making and using the same
EP2242726B1 (en) * 2007-12-31 2018-08-15 3M Innovative Properties Company Fluid filtration articles and methods of making and using the same
US20090176056A1 (en) * 2008-01-08 2009-07-09 E.I. Du Pont De Nemours And Company Liquid water resistant and water vapor permeable garments
JP5268730B2 (ja) * 2008-03-28 2013-08-21 グンゼ株式会社 複合ファブリック
US8282712B2 (en) * 2008-04-07 2012-10-09 E I Du Pont De Nemours And Company Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment
JP5368154B2 (ja) * 2008-04-25 2013-12-18 日本合成化学工業株式会社 不織布積層構造体およびその製法
JP2009263818A (ja) * 2008-04-25 2009-11-12 Nippon Synthetic Chem Ind Co Ltd:The 不織布積層構造体およびその製法
US8673040B2 (en) * 2008-06-13 2014-03-18 Donaldson Company, Inc. Filter construction for use with air in-take for gas turbine and methods
US8512432B2 (en) * 2008-08-01 2013-08-20 David Charles Jones Composite filter media
US7922959B2 (en) 2008-08-01 2011-04-12 E. I. Du Pont De Nemours And Company Method of manufacturing a composite filter media
NL2002036C (nl) * 2008-09-29 2010-03-30 Filo Engineering Werkwijze en systeem voor het produceren van textielmateriaal.
US8590712B2 (en) * 2008-10-08 2013-11-26 Cummins Filtration Ip Inc. Modular filter elements for use in a filter-in-filter cartridge
US8517185B2 (en) * 2008-10-08 2013-08-27 Cummins Filtration Ip, Inc. Two stage fuel water separator and particulate filter utilizing pleated nanofiber filter material
EP2361133B1 (en) 2008-10-27 2016-05-25 Sefar BDH Inc. Filter bag, pleatable filtration material therefore, and process of making same
US8357220B2 (en) * 2008-11-07 2013-01-22 Hollingsworth & Vose Company Multi-phase filter medium
US9885154B2 (en) 2009-01-28 2018-02-06 Donaldson Company, Inc. Fibrous media
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
US20100212272A1 (en) * 2009-02-24 2010-08-26 Hollingsworth & Vose Company Filter media suitable for ashrae applications
US8206481B2 (en) * 2009-02-27 2012-06-26 Bha Group, Inc. HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media
JP2012520761A (ja) 2009-03-19 2012-09-10 イー・エム・デイー・ミリポア・コーポレイシヨン ナノ繊維濾過媒体を用いる、流体資料からの微生物の除去
US8950587B2 (en) 2009-04-03 2015-02-10 Hollingsworth & Vose Company Filter media suitable for hydraulic applications
US8523971B2 (en) 2009-05-07 2013-09-03 The Hong Kong Polytechnic University Multilayer nanofiber filter
CN102596862B (zh) * 2009-05-15 2015-09-30 康明斯过滤Ip公司 表面聚结器
US8083828B2 (en) * 2009-06-19 2011-12-27 Hollingsworth & Vose Company Fiber web having a high stiffness
JP5529148B2 (ja) 2009-09-16 2014-06-25 株式会社クラレ 非水系電池用セパレータ及びそれを用いた非水系電池、ならびに非水系電池用セパレータの製造方法
US20110210061A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Compressed nanofiber composite media
US9162168B2 (en) * 2010-03-04 2015-10-20 Hydac Filtertechnik Gmbh Filter device and filter element provided therefor
US8679218B2 (en) 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure
DE112011102095B4 (de) * 2010-06-22 2022-02-17 Cummins Filtration Ip, Inc. Zweistufiger Kraftstoff-Wasser-Abscheider
CN102958579A (zh) * 2010-06-30 2013-03-06 阿莫绿色技术有限公司 利用电纺纳米纤维网的液体过滤器用过滤材料及其制造方法以及利用其的液体过滤器
SG185659A1 (en) 2010-08-10 2012-12-28 Emd Millipore Corp Method for retrovirus removal
WO2012048201A2 (en) * 2010-10-08 2012-04-12 Nano Terra Inc. Lubricants containing nanofibers
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
US20120318752A1 (en) * 2010-12-20 2012-12-20 E.I. Du Pont De Nemours And Company High porosity high basis weight filter media
JP5886320B2 (ja) * 2011-01-04 2016-03-16 テイジン・アラミド・ビー．ブイ． 電気絶縁紙
US20140014573A1 (en) * 2011-03-30 2014-01-16 Kuraray Co., Ltd. Filtering material for filter, and water filtering apparatus provided with filtering material
US11154821B2 (en) 2011-04-01 2021-10-26 Emd Millipore Corporation Nanofiber containing composite membrane structures
CN102416718B (zh) * 2011-07-22 2014-01-01 湖南亚太实业有限公司 团簇状纤维热塑性复合片材
CN102505357A (zh) * 2011-09-22 2012-06-20 东华大学 一种血液过滤用静电纺熔喷复合非织造材料及其制备方法
WO2013051185A1 (ja) * 2011-10-03 2013-04-11 パナソニック株式会社 エアフィルタ濾材、エアフィルタ、そのエアフィルタを装着した空気清浄装置、および加湿機能付き空気清浄装置
JP5908709B2 (ja) * 2011-12-09 2016-04-26 帝人株式会社 フィルター用不織布およびその製造方法およびフィルター
CA2862359C (en) 2012-01-05 2016-12-20 Tdc Filter Manufacturing, Inc. Waterproof and salt repellant media and filter
KR101448912B1 (ko) * 2012-03-06 2014-10-13 주식회사 아모그린텍 무광 필름 및 그 제조방법
US9403138B2 (en) * 2012-04-02 2016-08-02 Johnson Matthey Public Limited Company Wire standoffs for stackable structural reactors
FI126055B (en) * 2012-05-14 2016-06-15 Upm Kymmene Corp A method of making a film from fibril pulp and a fibril pulp film
US10058808B2 (en) 2012-10-22 2018-08-28 Cummins Filtration Ip, Inc. Composite filter media utilizing bicomponent fibers
US9149748B2 (en) * 2012-11-13 2015-10-06 Hollingsworth & Vose Company Multi-layered filter media
US11090590B2 (en) 2012-11-13 2021-08-17 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US9149749B2 (en) * 2012-11-13 2015-10-06 Hollingsworth & Vose Company Pre-coalescing multi-layered filter media
US20140190137A1 (en) * 2013-01-10 2014-07-10 Tdc Filter Manufacturing, Inc. Media and Filter for Coastal and High Humidity Areas
WO2014130933A1 (en) * 2013-02-25 2014-08-28 Hollingsworth & Vose Company Multi-layered filter media
US9694306B2 (en) 2013-05-24 2017-07-04 Hollingsworth & Vose Company Filter media including polymer compositions and blends
WO2015016450A1 (ko) * 2013-08-01 2015-02-05 (주)에프티이앤이 일렉트로블로운 또는 멜트블로운과, 전기방사를 이용한 다층 나노섬유 필터여재 및 이의 제조방법
US9987578B2 (en) 2013-08-02 2018-06-05 Cummins Filtration Ip, Inc. Gradient nanofiber filter media
KR101601175B1 (ko) * 2013-08-06 2016-03-08 주식회사 아모그린텍 주름 필터 및 그 제조 방법
WO2015028530A2 (de) * 2013-08-29 2015-03-05 Mahle International Gmbh Filtermaterial, filterelement und verfahren sowie vorrichtung zum herstellen eines filtermaterials
JP6554462B2 (ja) 2013-10-21 2019-07-31 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーＥ．Ｉ．Ｄｕ Ｐｏｎｔ Ｄｅ Ｎｅｍｏｕｒｓ Ａｎｄ Ｃｏｍｐａｎｙ 空気濾過媒体としてのエレクトレットナノファイバーウェブ
WO2015076460A1 (ko) * 2013-11-21 2015-05-28 (주)에프티이앤이 나노섬유 제조용 전기방사장치
JP2015178092A (ja) * 2014-02-25 2015-10-08 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、およびエアフィルタの製造方法
WO2015140355A1 (en) 2014-03-21 2015-09-24 Vito Nv (Vlaamse Instelling Voor Technologisch Onderzoek Nv) Supported filtration membranes and methods of manufacturing
JP6489750B2 (ja) * 2014-03-26 2019-03-27 キヤノン株式会社 ポリマーナノファイバ構造体の製造方法
US10399024B2 (en) 2014-05-15 2019-09-03 Hollingsworth & Vose Company Surface modified filter media
US10195542B2 (en) 2014-05-15 2019-02-05 Hollingsworth & Vose Company Surface modified filter media
CN112957789A (zh) 2014-06-26 2021-06-15 Emd密理博公司 具有增强的污垢容纳能力的过滤器结构
CN104474808B (zh) * 2014-12-06 2017-02-01 江苏三鼎环境科技有限公司 一种纳米微孔空气净化网及其制造方法
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
US10828587B2 (en) 2015-04-17 2020-11-10 Hollingsworth & Vose Company Stable filter media including nanofibers
DK3283202T3 (da) 2015-04-17 2025-12-01 Emd Millipore Corp Fremgangsmåde til rensning af et biologisk materiale af interesse i en prøve gennem brug af ultrafiltreringsmembraner af nanofibre i tangentiel strømningsfiltreringstilstand
KR101615683B1 (ko) * 2015-07-24 2016-04-27 (주)에프티이앤이 폴리우레탄 - 폴리비닐리덴 플루오라이드 나노섬유를 포함하는 필터 및 이의 제조방법
DE102015010843A1 (de) 2015-08-19 2017-02-23 Mann + Hummel Gmbh Verfahren zur Herstellung eines Filtermediums und ein Filtermedium
JP6862450B2 (ja) * 2015-08-22 2021-04-21 アフルストロム−ムンクショー・オーイーユィ 改善された効率を有する水−炭化水素エマルションから水を除去するためのフィルター媒体
JP6655971B2 (ja) * 2015-12-11 2020-03-04 株式会社堀場製作所 分析装置、分析方法、及びプログラム
US11014030B2 (en) 2016-02-17 2021-05-25 Hollingsworth & Vose Company Filter media including flame retardant fibers
US10252200B2 (en) 2016-02-17 2019-04-09 Hollingsworth & Vose Company Filter media including a filtration layer comprising synthetic fibers
CN105854451B (zh) * 2016-05-16 2017-11-10 福建省利邦环境工程有限公司 过滤介质为m形的废气过滤器
US10625196B2 (en) 2016-05-31 2020-04-21 Hollingsworth & Vose Company Coalescing filter media
US12420221B2 (en) 2016-07-01 2025-09-23 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
WO2018011347A1 (en) 2016-07-14 2018-01-18 Ahlstrom-Munksjö Oyj Particle removal filter medium for removing particles from fuel having improved efficiency
CN109475790A (zh) 2016-07-19 2019-03-15 康明斯滤清系统知识产权公司 穿孔层聚结器
EP3336231A1 (en) * 2016-12-13 2018-06-20 Nanomed LLC Adhering nanofibers to polymeric media using a high temperature singe
US10898838B2 (en) 2016-12-15 2021-01-26 Hollingsworth & Vose Company Filter media including adhesives
US10543441B2 (en) 2016-12-15 2020-01-28 Hollingsworth & Vose Company Filter media including adhesives and/or oleophobic properties
WO2019016605A1 (en) 2017-07-21 2019-01-24 Merck Millipore Ltd MEMBRANES OF NONWOVEN FIBERS
US11338233B2 (en) * 2017-09-22 2022-05-24 Nitto Denko Corporation Air filter medium, filter pleat pack, and air filter unit
CN107551676A (zh) * 2017-09-26 2018-01-09 安徽凤凰滤清器股份有限公司 空调滤芯和车用空调
WO2019113344A1 (en) * 2017-12-07 2019-06-13 4C Air, Inc. System and methods for forming a self-adhesive fibrous medium
CN112105437B (zh) 2018-05-03 2022-06-07 康明斯过滤Ip公司 具有包括纳米纤维的多种纤维结构的复合过滤器介质
JP2022527393A (ja) * 2019-04-12 2022-06-01 アセンド・パフォーマンス・マテリアルズ・オペレーションズ・リミテッド・ライアビリティ・カンパニー ナノファイバー層を有する不織布多層構造体
EP4041432A1 (en) 2019-10-08 2022-08-17 Donaldson Company, Inc. Filter medium comprising a fine fiber layer
CN110592803B (zh) * 2019-10-10 2020-09-04 上海盈兹无纺布有限公司 一种热风无纺布热压成型设备及其制备无纺布的方法
US20210354063A1 (en) * 2020-05-15 2021-11-18 Hobbs Bonded Fibers Na, Llc Convoluted Dual Density Filter Material
IT202100019997A1 (it) 2021-07-27 2023-01-27 Saati Spa Mezzo filtrante composito e metodo per la sua produzione
KR102760960B1 (ko) * 2021-12-20 2025-02-03 엘지전자 주식회사 나노섬유 필터 제조방법

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797163A (en) 1952-11-22 1957-06-25 Walter J Smith Method of making filter media
US3251475A (en) * 1955-04-18 1966-05-17 Fmc Corp Fibrous filter body
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
BE637997A (OSRAM) 1962-10-01
DE1494897B2 (de) 1963-05-29 1971-11-11 J P Stevens & Co Ine , New York, N Y (V St A) Verfahren zum reinigen von schlichte aufweisendem glasfaser material
US3249491A (en) 1963-07-15 1966-05-03 James A Young Process for molding a glass fiber aerosol filter
US3882135A (en) 1972-08-31 1975-05-06 Dow Chemical Co Process for the preparation of aminopyridines
NL181632C (nl) * 1976-12-23 1987-10-01 Minnesota Mining & Mfg Electreetfilter en werkwijze voor het vervaardigen daarvan.
JPS5735920A (en) * 1980-08-14 1982-02-26 Yoshimi Oshitari Filter medium for air
DE3036814C2 (de) * 1980-09-30 1984-10-04 Fa. Carl Freudenberg, 6940 Weinheim Wundkompresse und Verfahren zu ihrer Herstellung
JPS58109113A (ja) * 1981-12-21 1983-06-29 Japan Vilene Co Ltd 「あ」材の製造方法
DE3437183C2 (de) * 1984-10-10 1986-09-11 Fa. Carl Freudenberg, 6940 Weinheim Mikroporöser Mehrschichtvliesstoff für medizinische Anwendungszwecke und Verfahren zu dessen Herstellung
US4874659A (en) * 1984-10-24 1989-10-17 Toray Industries Electret fiber sheet and method of producing same
US4650506A (en) * 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
DE3707691A1 (de) * 1987-03-11 1988-09-22 Basf Ag Mit einer gehaerteten harzmischung gebundene mineral- und textil-vliese
US6165572A (en) * 1995-11-17 2000-12-26 Donaldson Company, Inc. Filter material construction and method
US5672399A (en) * 1995-11-17 1997-09-30 Donaldson Company, Inc. Filter material construction and method
US6171684B1 (en) * 1995-11-17 2001-01-09 Donaldson Company, Inc. Filter material construction and method
US5820645A (en) * 1997-05-23 1998-10-13 Reemay, Inc. Pleatable nonwoven composite article for gas filter media
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
US6723669B1 (en) * 1999-12-17 2004-04-20 Kimberly-Clark Worldwide, Inc. Fine multicomponent fiber webs and laminates thereof
DE19919809C2 (de) * 1999-04-30 2003-02-06 Fibermark Gessner Gmbh & Co Staubfilterbeutel, enthaltend Nanofaservlies
EP1276548B1 (en) * 1999-10-29 2008-12-17 HOLLINGSWORTH & VOSE COMPANY Filter media
DE10013315C2 (de) * 2000-03-17 2002-06-06 Freudenberg Carl Kg Plissiertes Filter aus einem mehrlagigen Filtermedium
JP4512242B2 (ja) 2000-08-23 2010-07-28 タピルス株式会社 空気清浄用フィルター
US20020092423A1 (en) * 2000-09-05 2002-07-18 Gillingham Gary R. Methods for filtering air for a gas turbine system
US6743273B2 (en) * 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6740142B2 (en) * 2000-09-05 2004-05-25 Donaldson Company, Inc. Industrial bag house elements
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
DE10051186B4 (de) * 2000-10-16 2005-04-07 Fibermark Gessner Gmbh & Co. Ohg Staubfilterbeutel mit hochporöser Trägermateriallage
KR20020063020A (ko) * 2001-01-26 2002-08-01 한국과학기술연구원 미세 섬유상 고분자웹의 제조 방법
WO2003004735A1 (en) 2001-07-04 2003-01-16 Hag-Yong Kim An electronic spinning apparatus, and a process of preparing nonwoven fabric using the thereof
DE10137161C5 (de) * 2001-07-30 2009-04-09 Mann+Hummel Innenraumfilter Gmbh & Co. Kg Filterelement
US6872311B2 (en) * 2002-01-31 2005-03-29 Koslow Technologies Corporation Nanofiber filter media
KR100549140B1 (ko) 2002-03-26 2006-02-03 이 아이 듀폰 디 네모아 앤드 캄파니 일렉트로-브로운 방사법에 의한 초극세 나노섬유 웹제조방법
DE50211962D1 (de) * 2002-05-28 2008-05-08 Hollingsworth & Vose Gmbh Filtermedium
US20040038014A1 (en) * 2002-08-20 2004-02-26 Donaldson Company, Inc. Fiber containing filter media
AU2003272542A1 (en) * 2002-09-17 2004-04-08 E.I. Du Pont De Nemours And Company Extremely high liquid barrier fabrics
US20040116019A1 (en) * 2002-09-19 2004-06-17 Jerry Zucker Nonwoven industrial fabrics with improved barrier properties
US6875249B2 (en) * 2002-10-08 2005-04-05 Donaldson Company, Inc. Motor vehicle filter structure having visual indicator of useful life
US20040092185A1 (en) * 2002-11-13 2004-05-13 Grafe Timothy H. Wipe material with nanofiber layer
US7097684B2 (en) * 2002-12-12 2006-08-29 Aaf-Mcquay, Inc. Method of forming combined pleated scrim and filter media materials and product of same
US20040116025A1 (en) * 2002-12-17 2004-06-17 Gogins Mark A. Air permeable garment and fabric with integral aerosol filtration
US8877316B2 (en) * 2002-12-20 2014-11-04 The Procter & Gamble Company Cloth-like personal care articles
US7008465B2 (en) * 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
DE10336380B4 (de) * 2003-08-06 2005-08-25 Carl Freudenberg Kg Ultradünner, poröser und mechanisch stabiler Vliesstoff und dessen Verwendung
JP4379797B2 (ja) 2004-05-12 2009-12-09 株式会社小糸製作所 放電ランプ用アークチューブにおけるシュラウドガラス管の溶着方法および溶着装置。
US7235122B2 (en) 2004-11-08 2007-06-26 E. I. Du Pont De Nemours And Company Filtration media for filtering particulate material from gas streams
US20060137317A1 (en) 2004-12-28 2006-06-29 Bryner Michael A Filtration media for filtering particulate material from gas streams
US7618702B2 (en) * 2006-01-17 2009-11-17 Cornell Research Foundation, Inc. Cellulosic/polyamide composite

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BRPI0517573A (pt) 2008-10-14
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EP1851046B1 (en) 2015-07-08
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Ipc: B01D 39/16 (2006.01), B01D 39/18 (2006.01), B01D 4

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B25A Requested transfer of rights approved

Owner name: CUMMINS, INC. (US)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/12/2016, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2546 DE 22-10-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.