CA2820976C - Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof - Google Patents

Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof Download PDF

Info

Publication number
CA2820976C
CA2820976C CA2820976A CA2820976A CA2820976C CA 2820976 C CA2820976 C CA 2820976C CA 2820976 A CA2820976 A CA 2820976A CA 2820976 A CA2820976 A CA 2820976A CA 2820976 C CA2820976 C CA 2820976C
Authority
CA
Canada
Prior art keywords
fiber
less
fiber bundle
mass
carbon fiber
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
CA2820976A
Other languages
English (en)
French (fr)
Other versions
CA2820976A1 (en
Inventor
Hiroshi Hashimoto
Naoki Sugiura
Yasuyuki Fujii
Hiroko Matsumura
Takahiro Okuya
Isao Ooki
Masahiro Hata
Kouki Wakabayashi
Akiyoshi Kogame
Kazunori Sumiya
Akito Hatayama
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Rayon Co Ltd
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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Publication of CA2820976A1 publication Critical patent/CA2820976A1/en
Application granted granted Critical
Publication of CA2820976C publication Critical patent/CA2820976C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/18—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
    • D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
    • D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
    • D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2978—Surface characteristic
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/298—Physical dimension

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Filaments (AREA)
  • Inorganic Fibers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
CA2820976A 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof Active CA2820976C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009139337 2009-06-10
JP2009-139337 2009-06-10
CA2764661A CA2764661C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2764661A Division CA2764661C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof

Publications (2)

Publication Number Publication Date
CA2820976A1 CA2820976A1 (en) 2010-12-16
CA2820976C true CA2820976C (en) 2014-02-25

Family

ID=43308935

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2820810A Active CA2820810C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof
CA2820976A Active CA2820976C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof
CA2764661A Active CA2764661C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2820810A Active CA2820810C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2764661A Active CA2764661C (en) 2009-06-10 2010-06-10 Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof

Country Status (10)

Country Link
US (2) US20120088104A1 (pt)
EP (1) EP2441865B1 (pt)
JP (1) JP4945684B2 (pt)
KR (1) KR101340140B1 (pt)
CN (1) CN102459722B (pt)
BR (1) BRPI1012968A2 (pt)
CA (3) CA2820810C (pt)
ES (1) ES2534649T3 (pt)
TW (1) TWI396785B (pt)
WO (1) WO2010143680A1 (pt)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5708965B2 (ja) * 2009-06-10 2015-04-30 三菱レイヨン株式会社 アクリロニトリル系前駆体繊維束および炭素繊維束の製造方法
TWI565739B (zh) 2012-03-29 2017-01-11 三菱麗陽股份有限公司 碳纖維熱可塑性樹脂預浸體、碳纖維複合材料及其製造方法
TW201802315A (zh) * 2012-04-18 2018-01-16 三菱化學股份有限公司 碳纖維束
KR101630567B1 (ko) * 2012-07-02 2016-06-14 미쯔비시 레이온 가부시끼가이샤 탄소 섬유속의 제조 방법 및 탄소 섬유 전구체 섬유속의 가열로
JP6119168B2 (ja) * 2012-10-03 2017-04-26 三菱ケミカル株式会社 耐炎化繊維束の製造方法、及び、炭素繊維束の製造方法
CN104812948B (zh) * 2012-11-22 2017-09-26 三菱化学株式会社 碳纤维束的制造方法
JP2015030942A (ja) * 2013-08-05 2015-02-16 三菱レイヨン株式会社 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法
JP6232814B2 (ja) * 2013-08-05 2017-11-22 三菱ケミカル株式会社 アクリル繊維の製造方法
JP2015161056A (ja) * 2014-02-28 2015-09-07 三菱レイヨン株式会社 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法
JP6145723B2 (ja) * 2014-08-27 2017-06-14 三菱ケミカル株式会社 光沢抗ピル性アクリル繊維及びその製造方法と前記アクリル繊維を含む紡績糸及び編地
US10011931B2 (en) 2014-10-06 2018-07-03 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing dyed and welded substrates
US10982381B2 (en) 2014-10-06 2021-04-20 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing welded substrates
CN107208324B (zh) * 2014-12-29 2020-06-16 塞特工业公司 聚丙烯腈纤维的致密化
US20160263803A1 (en) * 2015-03-12 2016-09-15 Cytec Industries Inc. Manufacture of intermediate modulus carbon fiber
WO2016208570A1 (ja) * 2015-06-26 2016-12-29 株式会社カネカ アクリル系繊維及びその製造方法
EP3433416B1 (en) 2016-03-25 2023-12-06 Natural Fiber Welding, Inc. Method for producing a welded substrate
AU2017259983B2 (en) 2016-05-03 2021-08-19 Natural Fiber Welding, Inc. Methods, processes, and apparatuses for producing dyed and welded substrates
WO2017204026A1 (ja) * 2016-05-24 2017-11-30 東レ株式会社 炭素繊維束およびその製造方法
US20190194829A1 (en) 2016-09-12 2019-06-27 Toray Industries, Inc. Coagulated yarn and manufacturing method thereof, carbon fiber precursor fiber, and method of manufacturing carbon fiber
CN110352183B (zh) * 2017-02-24 2022-03-25 杰富意钢铁株式会社 含石墨的耐火物及含石墨的耐火物的制造方法
WO2018180188A1 (ja) * 2017-03-27 2018-10-04 東レ株式会社 繊維の製造方法および炭素繊維の製造方法
CN107503000B (zh) * 2017-09-30 2021-03-19 东华大学 一种利用静电纺丝制备纳米碳纤维丝束的方法
JP6477821B2 (ja) * 2017-10-11 2019-03-06 三菱ケミカル株式会社 炭素繊維束
EP3705610B1 (en) * 2017-10-31 2026-02-18 Toray Industries, Inc. Carbon fiber bundle and method for producing same
TWI829660B (zh) 2017-11-11 2024-01-21 美商天然纖維焊接股份有限公司 紗與熔接紗
WO2020028624A1 (en) * 2018-08-01 2020-02-06 Cytec Industries, Inc. Method for determining the degree of swelling of a polymer using near-ir
JP7341648B2 (ja) * 2018-10-05 2023-09-11 帝人株式会社 前駆体繊維束の製造方法及び炭素繊維束の製造方法並びに炭素繊維束
JP6729665B2 (ja) * 2018-11-16 2020-07-22 三菱ケミカル株式会社 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法
US12241181B2 (en) * 2019-03-28 2025-03-04 Toray Industries, Inc. Carbon fiber bundle and production method thereof
JP7319955B2 (ja) * 2020-11-27 2023-08-02 株式会社豊田中央研究所 炭素繊維前駆体繊維束、耐炎化繊維束、それらの製造方法、及び炭素繊維束の製造方法
JP2022110723A (ja) * 2021-01-19 2022-07-29 帝人株式会社 炭素繊維前駆体繊維およびその製造方法
TWI792328B (zh) * 2021-05-27 2023-02-11 臺灣塑膠工業股份有限公司 碳纖維及其製造方法
TWI782600B (zh) * 2021-06-29 2022-11-01 臺灣塑膠工業股份有限公司 抗菌纖維的製造方法
JP7765876B2 (ja) * 2022-02-11 2025-11-07 帝人株式会社 熱処理耐炎繊維、熱処理耐炎繊維シート及びそれらの製造方法、並びに黒鉛繊維及び黒鉛繊維シートの製造方法
JP2023146344A (ja) * 2022-03-29 2023-10-12 三菱ケミカル株式会社 炭素繊維束及び炭素繊維束の製造方法
JP2023146345A (ja) * 2022-03-29 2023-10-12 三菱ケミカル株式会社 炭素繊維束及び炭素繊維束の製造方法
EP4570974A4 (en) * 2022-10-24 2026-08-05 Toray Industries CARBON FIBER BEAM AND CARBON FIBER REINFORCED COMPOSITE MATERIAL USING IT
WO2024232033A1 (ja) * 2023-05-10 2024-11-14 三菱ケミカル株式会社 炭素繊維束及び炭素繊維束の製造方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615722B2 (ja) 1986-07-31 1994-03-02 東レ株式会社 炭素繊維製造用アクリル系繊維の製造方法
GB8727410D0 (en) * 1987-11-23 1987-12-23 Ici Plc Inorganic oxide fibres
JPH0491230A (ja) 1990-08-06 1992-03-24 Mitsubishi Rayon Co Ltd プレカーサーの製造方法
JPH04240220A (ja) * 1991-01-21 1992-08-27 Mitsubishi Rayon Co Ltd 炭素繊維用プレカーサー
JPH055224A (ja) 1991-06-25 1993-01-14 Asahi Chem Ind Co Ltd 均一性に優れた炭素繊維の製造方法
US5436275A (en) 1993-11-30 1995-07-25 Japan Exlan Company Limited Porous acrylonitrile polymer fiber
TW459075B (en) * 1996-05-24 2001-10-11 Toray Ind Co Ltd Carbon fiber, acrylic fiber and preparation thereof
KR100364655B1 (ko) * 1997-08-27 2002-12-16 미쯔비시 레이온 가부시끼가이샤 탄소섬유용 아크릴로니트릴계 전구체 섬유, 그 제조 방법및 그 전구체 섬유로부터 얻어지는 탄소섬유
JPH11124744A (ja) * 1997-10-20 1999-05-11 Toray Ind Inc 炭素繊維前駆体繊維および炭素繊維の製造方法
KR100371402B1 (ko) * 1999-06-14 2003-02-07 주식회사 엘지화학 기공 특성이 개질된 활성 탄소 섬유 및 그 개질 방법
KR101029515B1 (ko) * 2002-08-05 2011-04-18 도레이 카부시키가이샤 다공섬유
JP4278970B2 (ja) * 2002-12-16 2009-06-17 三菱レイヨン株式会社 高機械物性と低導電性を発現する繊維強化樹脂用炭素繊維束及びチョップド炭素繊維束並びに炭素繊維強化樹脂組成物
JP2004225178A (ja) * 2003-01-21 2004-08-12 Toray Ind Inc ゴム補強用炭素繊維コード
WO2005022026A1 (ja) * 2003-08-28 2005-03-10 Mitsubishi Rayon Co., Ltd. 高性能圧力容器および圧力容器用炭素繊維
JP2005133274A (ja) * 2003-10-10 2005-05-26 Mitsubishi Rayon Co Ltd 炭素繊維と同炭素繊維を含む複合材料
CN1314848C (zh) * 2004-09-07 2007-05-09 中原工学院 一种由核壳聚合物制备纳米中空碳纤维的方法
CN1328425C (zh) * 2005-10-14 2007-07-25 东华大学 具有中空形态结构的活性炭纤维和制备方法
JP4957251B2 (ja) * 2005-12-13 2012-06-20 東レ株式会社 炭素繊維、炭素繊維製造用ポリアクリロニトリル系前駆体繊維の製造方法、および、炭素繊維の製造方法
CN100387762C (zh) * 2006-07-10 2008-05-14 浙江大学 一种聚丙烯腈基介孔-大孔超细碳纤维及其制备方法
JP5103068B2 (ja) * 2007-01-18 2012-12-19 三菱レイヨン株式会社 炭素繊維前駆体アクリル繊維束およびその製造方法
JP2009046770A (ja) 2007-08-16 2009-03-05 Mitsubishi Rayon Co Ltd アクリロニトリル系炭素繊維前駆体繊維
CN101250770B (zh) * 2008-03-11 2010-07-21 东华大学 一种碳纳米管增强的聚丙烯腈基碳纤维的制备方法

Also Published As

Publication number Publication date
US20120088104A1 (en) 2012-04-12
US20190233975A1 (en) 2019-08-01
ES2534649T3 (es) 2015-04-27
BRPI1012968A2 (pt) 2018-01-16
KR101340140B1 (ko) 2013-12-10
CA2820810C (en) 2014-01-28
CA2820976A1 (en) 2010-12-16
TWI396785B (zh) 2013-05-21
KR20120023181A (ko) 2012-03-12
CN102459722B (zh) 2014-04-16
TW201114960A (en) 2011-05-01
EP2441865A1 (en) 2012-04-18
EP2441865B1 (en) 2015-02-18
CA2764661A1 (en) 2010-12-16
JPWO2010143680A1 (ja) 2012-11-29
WO2010143680A1 (ja) 2010-12-16
JP4945684B2 (ja) 2012-06-06
CA2820810A1 (en) 2010-12-16
CA2764661C (en) 2013-10-01
CN102459722A (zh) 2012-05-16
EP2441865A4 (en) 2013-05-22

Similar Documents

Publication Publication Date Title
CA2820810C (en) Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof
CA2764662C (en) Carbon fiber bundle that develops high mechanical performance
JP2010285710A (ja) 炭素繊維束およびその製造方法
JP7494889B2 (ja) 炭素繊維前駆体アクリル繊維、炭素繊維およびそれらの製造方法
JP7225173B2 (ja) 中間弾性率炭素繊維の製造
US12410542B2 (en) Polyacrylonitrile-based stabilized fiber, carbon fiber, and manufacturing method therefor
CN113597484B (zh) 碳纤维束及其制造方法
JP2009046770A (ja) アクリロニトリル系炭素繊維前駆体繊維
JP6729665B2 (ja) 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法
JP7155577B2 (ja) 炭素繊維前駆体アクリル繊維炭素繊維
EP4471194A1 (en) Carbon fiber bundle
JP2015161056A (ja) 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法
EP4431647A1 (en) Carbon fibers, carbon fiber bundle, and production method for carbon fiber bundle
JP2007056385A (ja) 炭素繊維束の製造方法
JP2015030942A (ja) 炭素繊維用アクリロニトリル前駆体繊維束及びその製造方法

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20130709

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 15TH ANNIV.) - STANDARD

Year of fee payment: 15

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: 20250430

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: 20250430

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: 20260520

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: 20260520