KR101428818B1 - 유착 여과 매체 및 방법 - Google Patents

유착 여과 매체 및 방법 Download PDF

Info

Publication number
KR101428818B1
KR101428818B1 KR1020087010271A KR20087010271A KR101428818B1 KR 101428818 B1 KR101428818 B1 KR 101428818B1 KR 1020087010271 A KR1020087010271 A KR 1020087010271A KR 20087010271 A KR20087010271 A KR 20087010271A KR 101428818 B1 KR101428818 B1 KR 101428818B1
Authority
KR
South Korea
Prior art keywords
nanofiber
poly
web
filtration media
coalescing
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
KR1020087010271A
Other languages
English (en)
Korean (ko)
Other versions
KR20080060264A (ko
Inventor
데이비드 찰스 존스
현 성 림
카르스텐 켈러
Original Assignee
이 아이 듀폰 디 네모아 앤드 캄파니
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 이 아이 듀폰 디 네모아 앤드 캄파니 filed Critical 이 아이 듀폰 디 네모아 앤드 캄파니
Publication of KR20080060264A publication Critical patent/KR20080060264A/ko
Application granted granted Critical
Publication of KR101428818B1 publication Critical patent/KR101428818B1/ko
Assigned to 듀폰 세이프티 앤드 컨스트럭션, 인크. reassignment 듀폰 세이프티 앤드 컨스트럭션, 인크. 권리의 전부이전등록 Assignors: 이 아이 듀폰 디 네모아 앤드 캄파니
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
KR1020087010271A 2005-09-30 2006-09-29 유착 여과 매체 및 방법 Active KR101428818B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/241,598 2005-09-30
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 (2)

Publication Number Publication Date
KR20080060264A KR20080060264A (ko) 2008-07-01
KR101428818B1 true KR101428818B1 (ko) 2014-08-12

Family

ID=37900692

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087010271A Active KR101428818B1 (ko) 2005-09-30 2006-09-29 유착 여과 매체 및 방법

Country Status (8)

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

Families Citing this family (50)

* 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
US8608817B2 (en) * 2007-11-09 2013-12-17 Hollingsworth & Vose Company Meltblown filter medium
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
WO2011149241A2 (en) * 2010-05-25 2011-12-01 Kolon Fashion Material.Inc. Polyimide porous web, method for manufacturing the same, and electrolyte membrane comprising the same
ES2774949T3 (es) 2010-08-10 2020-07-23 Emd Millipore Corp Método para la eliminación de retrovirus
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
US8840757B2 (en) 2012-01-31 2014-09-23 Eastman Chemical Company Processes to produce short cut microfibers
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
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
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
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
EP2985377B1 (en) * 2013-04-11 2020-01-01 Toray Industries, Inc. Mixed-fiber nonwoven fabric and method for manufacturing same
US9303357B2 (en) 2013-04-19 2016-04-05 Eastman Chemical Company 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
US9598802B2 (en) 2013-12-17 2017-03-21 Eastman Chemical Company Ultrafiltration process for producing a sulfopolyester concentrate
US9605126B2 (en) 2013-12-17 2017-03-28 Eastman Chemical Company Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion
JP6568545B2 (ja) 2014-06-26 2019-08-28 イー・エム・デイー・ミリポア・コーポレイシヨン 増強された汚れ保持容量を有するフィルタ構造
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
EP3283202B1 (en) 2015-04-17 2025-10-01 EMD Millipore Corporation Method of purifying a biological materia of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode
CN108136302B (zh) * 2015-08-22 2020-09-11 奥斯龙明士克公司 具有提高效率的用于从水-烃乳液中除去水的燃料水分离过滤介质
US12420221B2 (en) 2016-07-01 2025-09-23 Hollingsworth & Vose Company Multi-layered electret-containing filtration media
EP3655142B1 (en) 2017-07-21 2026-02-25 Merck Millipore Ltd Non-woven fiber membranes
US10926208B2 (en) * 2017-09-05 2021-02-23 4C Air, Inc. Nanofiber web with controllable solid volume fraction
DE102017010021A1 (de) * 2017-10-27 2019-05-02 Mann+Hummel Gmbh Koaleszenzabscheider, insbesondere zur Verwendung in einem Kurbelgehäuseentlüftungssystem, Kurbelgehäuseentlüftungssystem sowie Verwendung eines Koaleszenzabscheiders
US11618238B2 (en) * 2019-04-12 2023-04-04 Ascend Performance Materials Operations Llc Nonwoven multilayer structures having nanofiber layers
EP3962626A1 (en) 2019-05-01 2022-03-09 Ascend Performance Materials Operations LLC Filter media comprising polyamide nanofiber layer
CN114144250A (zh) * 2019-07-22 2022-03-04 阿莫绿色技术有限公司 过滤介质及包括其的复合过滤器
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030081302A (ko) * 2000-09-05 2003-10-17 도널드선 컴파니 인코포레이티드 2개 이상의 미세 섬유 층을 갖는 유효 사용 수명이 연장된필터 구조물
US20040116025A1 (en) 2002-12-17 2004-06-17 Gogins Mark A. Air permeable garment and fabric with integral aerosol filtration
US7291300B2 (en) 2003-06-30 2007-11-06 The Procter & Gamble Company Coated nanofiber webs

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011067A (en) * 1974-01-30 1977-03-08 Minnesota Mining And Manufacturing Company Filter medium layered between supporting layers
CA1044615A (en) * 1974-01-30 1978-12-19 Minnesota Mining And Manufacturing Company Low pressure drop filter medium
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
AU1440801A (en) * 1999-10-29 2001-05-14 Hollingsworth And 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
US6740142B2 (en) * 2000-09-05 2004-05-25 Donaldson Company, Inc. Industrial bag house elements
WO2003043809A1 (en) * 2001-11-16 2003-05-30 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
US20040038014A1 (en) * 2002-08-20 2004-02-26 Donaldson Company, Inc. Fiber containing filter media
US20040038013A1 (en) * 2002-08-20 2004-02-26 Schaefer James W. Fiber containing filter media
DE60329922D1 (de) * 2002-09-17 2009-12-17 Du Pont Extrem flüssigkeitsundurchlässiges gewebe
EP1549790A4 (en) * 2002-09-19 2007-01-31 Polymer Group Inc NONWOVEN INDUSTRIAL FABRICS WITH IMPROVED BARRIER PROPERTIES
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
US20040261381A1 (en) * 2003-06-30 2004-12-30 Mann & Hummel Gmbh Filter element
PL1751338T3 (pl) * 2004-04-19 2011-04-29 Procter & Gamble Włókna, włókniny i wyroby zawierające nanowłókna wytwarzane z polimerów o wysokiej temperaturze zeszklenia
JPWO2005102413A1 (ja) 2004-04-21 2008-03-06 東レ株式会社 メディカル用フィルター材およびそれを用いた体外循環カラムと血液フィルター
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030081302A (ko) * 2000-09-05 2003-10-17 도널드선 컴파니 인코포레이티드 2개 이상의 미세 섬유 층을 갖는 유효 사용 수명이 연장된필터 구조물
US20040116025A1 (en) 2002-12-17 2004-06-17 Gogins Mark A. Air permeable garment and fabric with integral aerosol filtration
US7291300B2 (en) 2003-06-30 2007-11-06 The Procter & Gamble Company Coated nanofiber webs

Also Published As

Publication number Publication date
KR20080060264A (ko) 2008-07-01
WO2007041310A3 (en) 2007-06-14
JP2009509753A (ja) 2009-03-12
BRPI0617575A2 (pt) 2011-07-26
EP1954373A2 (en) 2008-08-13
CN101272841B (zh) 2012-03-07
CN101272841A (zh) 2008-09-24
DE602006021461D1 (de) 2011-06-01
WO2007041310A2 (en) 2007-04-12
JP4785928B2 (ja) 2011-10-05
US20070074628A1 (en) 2007-04-05
EP1954373B1 (en) 2011-04-20

Similar Documents

Publication Publication Date Title
KR101428818B1 (ko) 유착 여과 매체 및 방법
KR101391519B1 (ko) 액체 여과용 여과 매체
EP1848582B1 (en) Filtration media for filtering particulate material from gas streams
US8172092B2 (en) Filter having melt-blown and electrospun fibers
US8187354B2 (en) Filtration media for filtering particulate material from gas streams
TWI758722B (zh) 包含聚醯胺奈米纖維層的過濾器介質
CN101541392A (zh) 耐用纳米纤维网稀松布层压材料
KR102563110B1 (ko) 나노 섬유 필터 및 그 제조 방법
KR20200034518A (ko) 나노 섬유 필터 및 그 제조 방법
HK40059077A (en) Filter media comprising polyamide nanofiber layer

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20170719

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

FPAY Annual fee payment

Payment date: 20180718

Year of fee payment: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

FPAY Annual fee payment

Payment date: 20190718

Year of fee payment: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R14-asn-PN2301

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 11

R18 Changes to party contact information recorded

Free format text: ST27 STATUS EVENT CODE: A-5-5-R10-R18-OTH-X000 (AS PROVIDED BY THE NATIONAL OFFICE)

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000