CA2705557C - Filtration medias, fine fibers under 100 nanometers, and methods - Google Patents

Filtration medias, fine fibers under 100 nanometers, and methods Download PDF

Info

Publication number
CA2705557C
CA2705557C CA2705557A CA2705557A CA2705557C CA 2705557 C CA2705557 C CA 2705557C CA 2705557 A CA2705557 A CA 2705557A CA 2705557 A CA2705557 A CA 2705557A CA 2705557 C CA2705557 C CA 2705557C
Authority
CA
Canada
Prior art keywords
filter media
fine fiber
fiber layer
substrate layer
layer
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
CA2705557A
Other languages
English (en)
French (fr)
Other versions
CA2705557A1 (en
Inventor
Thomas B. Green
Scotty L. King
Lei Li
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.)
ELMARCO Inc
Original Assignee
ELMARCO Inc
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 ELMARCO Inc filed Critical ELMARCO Inc
Publication of CA2705557A1 publication Critical patent/CA2705557A1/en
Application granted granted Critical
Publication of CA2705557C publication Critical patent/CA2705557C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/04—Organic material, e.g. cellulose, cotton
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/762—Nanowire or quantum wire, i.e. axially elongated structure having two dimensions of 100 nm or less

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Filtering Materials (AREA)
  • Artificial Filaments (AREA)
CA2705557A 2007-11-20 2008-11-12 Filtration medias, fine fibers under 100 nanometers, and methods Active CA2705557C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US98921807P 2007-11-20 2007-11-20
US60/989,218 2007-11-20
PCT/US2008/083206 WO2009067365A2 (en) 2007-11-20 2008-11-12 Filtration medias, fine fibers under 100 nanofibers, and methods

Publications (2)

Publication Number Publication Date
CA2705557A1 CA2705557A1 (en) 2009-05-28
CA2705557C true CA2705557C (en) 2017-04-18

Family

ID=40668063

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2705557A Active CA2705557C (en) 2007-11-20 2008-11-12 Filtration medias, fine fibers under 100 nanometers, and methods

Country Status (13)

Country Link
US (2) US20090199717A1 (https=)
EP (1) EP2222385B1 (https=)
JP (1) JP5468548B2 (https=)
KR (1) KR101637612B1 (https=)
CN (1) CN101868290A (https=)
AU (1) AU2008326615B2 (https=)
BR (1) BRPI0817217B1 (https=)
CA (1) CA2705557C (https=)
ES (1) ES2592433T3 (https=)
MX (1) MX2010005473A (https=)
MY (1) MY153492A (https=)
PT (1) PT2222385T (https=)
WO (1) WO2009067365A2 (https=)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009304600B2 (en) * 2008-10-17 2016-05-12 Newtech Textile Technology Development (Shanghai) Co., Ltd. Electrostatic spinning assembly
US8172092B2 (en) * 2009-01-22 2012-05-08 Clarcor Inc. Filter having melt-blown and electrospun fibers
EP2408482A1 (en) 2009-03-19 2012-01-25 Millipore Corporation Removal of microorganisms from fluid samples using nanofiber filtration media
CN102458608B (zh) * 2009-06-12 2016-08-31 克拉克空气过滤产品有限公司 无薄膜过滤器和/或用于过滤器的整体框架
US8236082B2 (en) 2009-06-19 2012-08-07 Hollingsworth & Vose Company Flutable fiber webs with high dust holding capacity
JP5564220B2 (ja) * 2009-09-04 2014-07-30 株式会社Ｓｎｔ 三次元構造体を含む複合構造体および該構造体を使用したフィルタ
US8323384B2 (en) * 2009-12-18 2012-12-04 Clark Filter, Inc. Air filter with extended life
US20110210061A1 (en) * 2010-02-26 2011-09-01 Clarcor Inc. Compressed nanofiber composite media
TWI406982B (zh) * 2010-06-30 2013-09-01 Taiwan Textile Res Inst 滾筒式電紡設備
CN103180887B (zh) * 2010-07-22 2016-11-09 克拉克空气过滤产品有限公司 结合有防水过滤器的自助式服务终端机
SG185659A1 (en) 2010-08-10 2012-12-28 Emd Millipore Corp Method for retrovirus removal
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
CZ306438B6 (cs) * 2011-04-12 2017-01-25 Elmarco S.R.O. Způsob a zařízení pro nanášení kapalné polymerní matrice na zvlákňovací struny
WO2011144091A2 (zh) * 2011-05-26 2011-11-24 华为技术有限公司 直通风散热装置及通信设备
US9185877B2 (en) * 2011-05-27 2015-11-17 Clarcor Air Filtration Products, Inc. Collapsible and/or assembled filter housing and filter used therewith
US9687766B2 (en) 2011-05-27 2017-06-27 Clarcor Air Filtration Products, Inc. Collapsible and/or assembled filter housing and filter used therewith
WO2013003391A2 (en) 2011-06-30 2013-01-03 3M Innovative Properties Company Non-woven electret fibrous webs and methods of making same
CN103781956B (zh) * 2011-06-30 2016-09-28 3M创新有限公司 非织造驻极体纤维网及其制备方法
DE102011109767A1 (de) * 2011-08-09 2013-02-14 Mann + Hummel Gmbh Verfahren zur Herstellung von Polyamid-Nanofasern mittels Elektrospinnen, Polyamid-Nanofasern, ein Filtermedium mit Polyamid-Nanofasern sowie ein Filterelement mit ei-nem solchen Filtermedium
IN2014KN01509A (https=) 2012-01-27 2015-10-23 Zeus Ind Products Inc
US9034068B2 (en) 2012-06-05 2015-05-19 Clarcor Air Filtration Products, Inc. Box filter with orientation device
US20140250846A1 (en) * 2013-02-26 2014-09-11 Research Triangle Institute Curved nanofiber products and applications thereof
CN102995294B (zh) * 2012-12-13 2015-04-29 武汉纺织大学 一种抗静电针刺非织造布的制造方法
CN103015034B (zh) * 2012-12-13 2015-07-29 武汉纺织大学 一种抗静电汽车内饰非织造布的制造方法
EP2959509B1 (en) 2013-02-14 2018-05-23 Nanopareil, Llc Electrospun hybrid nanofibre felt, method for making the same, and method for purifying biomolecules
CZ307624B6 (cs) * 2013-05-10 2019-01-23 Technická univerzita v Liberci Kompozitní materiál pro filtraci spalin a způsob vytvoření tohoto materiálu
WO2015016449A1 (ko) * 2013-08-01 2015-02-05 (주)에프티이앤이 내열성이 향상된 다층 나노섬유 필터 및 이의 제조방법
KR101527499B1 (ko) * 2013-08-01 2015-06-09 (주)에프티이앤이 폴리비닐리덴 플루오라이드 나노섬유와 이성분 기재를 포함하는 필터 및 이의 제조방법
KR101527500B1 (ko) * 2013-10-07 2015-06-10 (주)에프티이앤이 나일론 나노섬유와 이성분 기재를 포함하는 필터 및 이의 제조방법
US10351462B1 (en) 2014-02-14 2019-07-16 Superior Fibers, Llc Method of manufacturing fiberglass filtration media
US10106452B2 (en) 2014-02-14 2018-10-23 Superior Fibers, Llc System and method of continuous glass filament manufacture
US9446978B2 (en) 2014-02-14 2016-09-20 Charles Douglas Spitler System and method for continuous strand fiberglass media processing
KR20190011838A (ko) 2014-06-26 2019-02-07 이엠디 밀리포어 코포레이션 개선된 먼지 포집 능력을 갖는 필터 구조
MX2017007417A (es) * 2014-12-12 2018-04-20 Univ Leland Stanford Junior Filtro de aire para captura de pm2.5 de alta eficiencia.
DE102015002672A1 (de) 2015-03-03 2016-09-08 Mann + Hummel Gmbh Filtermedium und Filterelement mit einem Filtermedium
US9694510B2 (en) 2015-03-27 2017-07-04 Charles Douglas Spitler Skin stiffness characteristics and loft control production system and method with variable moisture content in input fiberglass media
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
EP3294435B1 (en) 2015-05-11 2019-11-20 Charles Douglas Spitler A preparation for fiberglass air filtration media
DE102015010843A1 (de) 2015-08-19 2017-02-23 Mann + Hummel Gmbh Verfahren zur Herstellung eines Filtermediums und ein Filtermedium
FI20165589A (fi) * 2015-08-22 2017-02-23 Ahlstroem Oy Partikkelien poistosuodatinmateriaali, jolla on parannettu teho partikkelien poistamiseksi polttoaineesta
WO2017143256A1 (en) 2016-02-19 2017-08-24 Bha Altair, Llc Stretchable laminated filter material and protective article
EP3565920B1 (en) * 2017-01-06 2020-11-25 SABIC Global Technologies B.V. Apparatus for electrospinning liquid polymer into nanoscale or submicron scale fibers
EP3655142B1 (en) 2017-07-21 2026-02-25 Merck Millipore Ltd Non-woven fiber membranes
US11583797B2 (en) * 2018-01-04 2023-02-21 Nxtnano, Llc Dual density nanofiber media
MX2020013310A (es) 2018-06-08 2021-05-27 Ascend Performance Mat Operations Llc Productos no tejidos de nanofibras afinables.
BR112021020113A2 (pt) 2019-04-12 2021-12-07 Ascend Performance Mat Operations Llc Estruturas de múltiplas camadas não tecidas, tendo camadas de nanofibra
EP3962626A1 (en) 2019-05-01 2022-03-09 Ascend Performance Materials Operations LLC Filter media comprising polyamide nanofiber layer
EP3976864A4 (en) * 2019-05-30 2023-09-06 Skinner, Jack, L. Device for polymer materials fabrication using gas flow and electrostatic fields
CN114938636A (zh) 2019-10-08 2022-08-23 唐纳森公司 包括混合直径细纤维的过滤介质层
JP7738556B2 (ja) 2020-04-03 2025-09-12 ドナルドソン カンパニー，インコーポレイティド 濾過媒体
WO2022022453A1 (en) * 2020-07-29 2022-02-03 The University Of Hong Kong Reusable nanocomposite porous filter for highly efficient air filtration
US12442108B2 (en) 2021-06-09 2025-10-14 Nanoshields Technology Limited Protective masks made with polymer-based materials
US20230330577A1 (en) * 2022-04-14 2023-10-19 Hollingsworth & Vose Company Filter media including fibers comprising polyvinylidene fluoride and/or a copolymer thereof, and related methods
WO2025188700A1 (en) 2024-03-05 2025-09-12 W. L. Gore & Associates, Inc. Evacuation vent
WO2026035792A1 (en) 2024-08-07 2026-02-12 W. L. Gore & Associates, Inc. Multilayer coated vent assembly
WO2026050589A1 (en) 2024-08-30 2026-03-05 W. L. Gore & Associates, Inc. Improved nanofiber membrane

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB364780A (en) * 1929-12-07 1932-01-14 Anton Formhals Improvements in or relating to processes and apparatus for the production of artificial filaments
GB1346231A (en) 1970-06-29 1974-02-06 Bayer Ag Filter made of electrostatically spun fibres
US3994258A (en) * 1973-06-01 1976-11-30 Bayer Aktiengesellschaft Apparatus for the production of filters by electrostatic fiber spinning
CH570493A5 (https=) * 1973-08-16 1975-12-15 Battelle Memorial Institute
DE2620399C3 (de) * 1976-05-08 1980-11-13 Fa. Carl Freudenberg, 6940 Weinheim Vorrichtung zum elektrostatischen Versprühen
EP0162645A1 (en) 1984-05-11 1985-11-27 Masami Harada Carbon-fiber-covered material
US4759782A (en) * 1985-07-05 1988-07-26 Pall Corporation Coalescing filter for removal of liquid aerosols from gaseous streams
US4650506A (en) * 1986-02-25 1987-03-17 Donaldson Company, Inc. Multi-layered microfiltration medium
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
IL119809A (en) * 1996-12-11 2001-06-14 Nicast Ltd A device for the production of a complex material for filtration and a method for its application
US5782944A (en) * 1997-03-18 1998-07-21 Purolator Products Air Filtration Company Moisture resistant air filter
DE19919809C2 (de) * 1999-04-30 2003-02-06 Fibermark Gessner Gmbh & Co Staubfilterbeutel, enthaltend Nanofaservlies
IL132945A0 (en) 1999-06-07 2001-03-19 Nicast Ltd Filtering material and device and method of its manufacture
US6521011B1 (en) * 1999-07-15 2003-02-18 3M Innovative Properties Company Self-supporting pleated filter and method of making same
US6746517B2 (en) * 2000-09-05 2004-06-08 Donaldson Company, Inc. Filter structure with two or more layers of fine fiber having extended useful service life
US6740142B2 (en) * 2000-09-05 2004-05-25 Donaldson Company, Inc. Industrial bag house elements
US6743273B2 (en) * 2000-09-05 2004-06-01 Donaldson Company, Inc. Polymer, polymer microfiber, polymer nanofiber and applications including filter structures
US6673136B2 (en) * 2000-09-05 2004-01-06 Donaldson Company, Inc. Air filtration arrangements having fluted media constructions and methods
US7029620B2 (en) * 2000-11-27 2006-04-18 The Procter & Gamble Company Electro-spinning process for making starch filaments for flexible structure
US6641773B2 (en) * 2001-01-10 2003-11-04 The United States Of America As Represented By The Secretary Of The Army Electro spinning of submicron diameter polymer filaments
DE10136256B4 (de) 2001-07-25 2005-03-31 Helsa-Werke Gmbh & Co. Kg Vorrichtung zur Herstellung von Fasern in einem elektrostatischen Spinnverfahren
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
DE60329922D1 (de) * 2002-09-17 2009-12-17 Du Pont Extrem flüssigkeitsundurchlässiges gewebe
US7008465B2 (en) * 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
US20050026526A1 (en) * 2003-07-30 2005-02-03 Verdegan Barry M. High performance filter media with internal nanofiber structure and manufacturing methodology
US20050048274A1 (en) * 2003-08-26 2005-03-03 Rabolt John F. Production of nanowebs by an electrostatic spinning apparatus and method
CZ294274B6 (cs) * 2003-09-08 2004-11-10 Technická univerzita v Liberci Způsob výroby nanovláken z polymerního roztoku elektrostatickým zvlákňováním a zařízení k provádění způsobu
US7501003B2 (en) * 2004-03-02 2009-03-10 Gore Enterprise Holdings Composite filter media
KR100578764B1 (ko) 2004-03-23 2006-05-11 김학용 상향식 전기방사장치 및 이를 이용하여 제조된 나노섬유
US7134857B2 (en) * 2004-04-08 2006-11-14 Research Triangle Institute Electrospinning of fibers using a rotatable spray head
EP1796822A4 (en) * 2004-10-06 2008-09-17 Res Foundation Suny INTENSE FLOW FILTRATION MEDIA WITH LOW ENCRYPTION
US7390760B1 (en) * 2004-11-02 2008-06-24 Kimberly-Clark Worldwide, Inc. Composite nanofiber materials and methods for making same
CZ2005226A3 (cs) 2005-04-11 2006-11-15 Elmarco, S. R. O. Vrstvená zvukove pohltivá netkaná textilie
CZ300797B6 (cs) 2005-04-11 2009-08-12 Elmarco, S. R. O. Textilie obsahující alespon jednu vrstvu polymerních nanovláken a zpusob výroby vrstvy polymerních nanovláken z roztoku polymeru elektrostatickým zvláknováním
KR100635280B1 (ko) * 2005-04-27 2006-10-19 삼성전자주식회사 전자 서명을 이용한 보안 방법
US7799262B1 (en) * 2005-05-02 2010-09-21 Industrial Cooperation Foundation Chonbuk National University Method of manufacturing a continuous filament by electrospinning
CZ299537B6 (cs) * 2005-06-07 2008-08-27 Elmarco, S. R. O. Zpusob a zarízení k výrobe nanovláken z polymerního roztoku elektrostatickým zvláknováním
US8454836B2 (en) * 2005-09-15 2013-06-04 The University Of Akron Method for removing water from an organic liquid
JP4787585B2 (ja) * 2005-09-29 2011-10-05 帝人株式会社 静電紡糸法による繊維構造体の製造方法
CZ297697B6 (cs) 2005-11-10 2007-03-07 Elmarco, S. R. O. Filtr pro odstranování fyzikálních a/nebo biologických necistot
CZ305244B6 (cs) 2005-11-10 2015-07-01 Elmarco S.R.O. Způsob a zařízení k výrobě nanovláken elektrostatickým zvlákňováním roztoků nebo tavenin polymerů
JP4777760B2 (ja) * 2005-12-01 2011-09-21 株式会社Ｓｎｔ 網目状構造体を含む複合構造体
US7618702B2 (en) * 2006-01-17 2009-11-17 Cornell Research Foundation, Inc. Cellulosic/polyamide composite
CN102814080A (zh) * 2006-02-13 2012-12-12 唐纳森公司 包括细纤维和反应、吸附或吸收颗粒的过滤网
US7537632B2 (en) * 2006-06-22 2009-05-26 Clarcor Air Filtration Products, Inc. Panel filter with frame
US20080017038A1 (en) * 2006-07-21 2008-01-24 3M Innovative Properties Company High efficiency hvac filter
CZ299549B6 (cs) 2006-09-04 2008-08-27 Elmarco, S. R. O. Rotacní zvláknovací elektroda
US7815427B2 (en) 2007-11-20 2010-10-19 Clarcor, Inc. Apparatus and method for reducing solvent loss for electro-spinning of fine fibers
US7967588B2 (en) 2007-11-20 2011-06-28 Clarcor Inc. Fine fiber electro-spinning equipment, filter media systems and methods
US8172092B2 (en) 2009-01-22 2012-05-08 Clarcor Inc. Filter having melt-blown and electrospun fibers

Also Published As

Publication number Publication date
WO2009067365A2 (en) 2009-05-28
ES2592433T3 (es) 2016-11-30
AU2008326615B2 (en) 2013-09-26
KR20100103529A (ko) 2010-09-27
EP2222385B1 (en) 2016-06-22
MY153492A (en) 2015-02-13
MX2010005473A (es) 2010-08-11
WO2009067365A3 (en) 2009-10-22
US20130313736A1 (en) 2013-11-28
US20090199717A1 (en) 2009-08-13
PT2222385T (pt) 2016-08-31
JP5468548B2 (ja) 2014-04-09
BRPI0817217A2 (pt) 2020-08-11
JP2011504138A (ja) 2011-02-03
AU2008326615A1 (en) 2009-05-28
KR101637612B1 (ko) 2016-07-07
EP2222385A2 (en) 2010-09-01
US9101860B2 (en) 2015-08-11
BRPI0817217B1 (pt) 2021-02-09
CN101868290A (zh) 2010-10-20
CA2705557A1 (en) 2009-05-28

Similar Documents

Publication Publication Date Title
CA2705557C (en) Filtration medias, fine fibers under 100 nanometers, and methods
CN101052454B (zh) 用于从气体物流过滤颗粒材料的过滤介质
CN101983097B (zh) 具有改善的容尘量和改善的高湿度环境抗性的空气过滤介质
JP4871883B2 (ja) 粒子状物質をガス流れから濾過するための濾過媒体
US8172092B2 (en) Filter having melt-blown and electrospun fibers
JP4785928B2 (ja) 凝集ろ材および方法
JP5593344B2 (ja) エンジン用燃料のろ過方法
US8187354B2 (en) Filtration media for filtering particulate material from gas streams
JP2018531791A (ja) 自己洗浄フィルタ
US20250041807A1 (en) Porous membranes for filtration media
JP6551771B2 (ja) 積層不織布および空気清浄機

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130821

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 16TH ANNIV.) - STANDARD

Year of fee payment: 16

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241108

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT

Effective date: 20241108

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241108

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 17TH ANNIV.) - STANDARD

Year of fee payment: 17

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251107

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251107