JP6943278B2 - エポキシ樹脂組成物及びそれから作製された繊維強化複合材料 - Google Patents

エポキシ樹脂組成物及びそれから作製された繊維強化複合材料 Download PDF

Info

Publication number
JP6943278B2
JP6943278B2 JP2019501926A JP2019501926A JP6943278B2 JP 6943278 B2 JP6943278 B2 JP 6943278B2 JP 2019501926 A JP2019501926 A JP 2019501926A JP 2019501926 A JP2019501926 A JP 2019501926A JP 6943278 B2 JP6943278 B2 JP 6943278B2
Authority
JP
Japan
Prior art keywords
epoxy resin
group
resin composition
groups
component
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
JP2019501926A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019533027A (ja
JP2019533027A5 (https=
Inventor
ベンジャミン・リーマン
ジョナサン・ヒューズ
スウィーゼン・サン・タン
荒井　信之
信之 荒井
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.)
Toray Industries Inc
Original Assignee
Toray Industries 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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of JP2019533027A publication Critical patent/JP2019533027A/ja
Publication of JP2019533027A5 publication Critical patent/JP2019533027A5/ja
Application granted granted Critical
Publication of JP6943278B2 publication Critical patent/JP6943278B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/22—Di-epoxy compounds
    • C08G59/24—Di-epoxy compounds carbocyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C08G59/32—Epoxy compounds containing three or more epoxy groups
    • C08G59/38—Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/50—Amines
    • C08G59/5033—Amines aromatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/50—Amines
    • C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
    • C08G59/687—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/06—Polysulfones; Polyethersulfones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
    • C08J2481/06—Polysulfones; Polyethersulfones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0025—Crosslinking or vulcanising agents; including accelerators
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Reinforced Plastic Materials (AREA)
  • Epoxy Resins (AREA)
JP2019501926A 2016-10-21 2017-10-19 エポキシ樹脂組成物及びそれから作製された繊維強化複合材料 Active JP6943278B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662411278P 2016-10-21 2016-10-21
US62/411,278 2016-10-21
US201762567990P 2017-10-04 2017-10-04
US62/567,990 2017-10-04
PCT/IB2017/001484 WO2018073652A2 (en) 2016-10-21 2017-10-19 Epoxy resin compositions and fiber-reinforced composite materials prepared therefrom

Publications (3)

Publication Number Publication Date
JP2019533027A JP2019533027A (ja) 2019-11-14
JP2019533027A5 JP2019533027A5 (https=) 2020-10-08
JP6943278B2 true JP6943278B2 (ja) 2021-09-29

Family

ID=62019113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019501926A Active JP6943278B2 (ja) 2016-10-21 2017-10-19 エポキシ樹脂組成物及びそれから作製された繊維強化複合材料

Country Status (7)

Country Link
US (1) US10829633B2 (https=)
EP (1) EP3529294B1 (https=)
JP (1) JP6943278B2 (https=)
KR (1) KR20190070913A (https=)
CN (1) CN109890866B (https=)
RU (1) RU2019114198A (https=)
WO (1) WO2018073652A2 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112739742A (zh) * 2018-09-21 2021-04-30 东丽株式会社 环氧树脂组合物、预浸料坯、以及纤维增强复合材料
KR20210062034A (ko) * 2018-09-21 2021-05-28 도레이 카부시키가이샤 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합재료
CN114599720B (zh) * 2019-09-04 2025-03-28 茵梦达有限责任公司 带促进剂及其用途、固体绝缘材料和无酸酐的绝缘体系
CA3163340A1 (en) * 2019-12-10 2021-06-17 Huntsman Advanced Materials Americas Llc Curable resin compositions containing an aliphatic polyketone toughener and composites made therefrom
US12053908B2 (en) 2021-02-01 2024-08-06 Regen Fiber, Llc Method and system for recycling wind turbine blades
CN114031894A (zh) * 2021-11-03 2022-02-11 安徽众博新材料有限公司 一种碳纤维缠绕环氧树脂基复合材料及其制备方法
US12516032B2 (en) 2022-01-24 2026-01-06 Industrial Technology Research Institute Epoxy compound, composition and cured product thereof
TWI871099B (zh) * 2022-11-21 2025-01-21 財團法人工業技術研究院 環氧化合物、組合物、及其固化物

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450596A (en) 1977-09-30 1979-04-20 Hitachi Ltd Epoxy resin composition
US4238587A (en) 1979-11-28 1980-12-09 General Electric Company Heat curable compositions
JP4972851B2 (ja) 2000-05-30 2012-07-11 東レ株式会社 繊維強化複合材料用エポキシ樹脂組成物
GB0020620D0 (en) 2000-08-22 2000-10-11 Cytec Tech Corp Compostions adapted for chain linking
US20030059618A1 (en) 2001-03-23 2003-03-27 Hideyuke Takai Method of producing epoxy compound, epoxy resin composition and its applications, ultraviolet rays-curable can-coating composition and method of producing coated metal can
JP4261240B2 (ja) 2003-04-10 2009-04-30 日東電工株式会社 紫外線硬化型エポキシ樹脂組成物
JP4688503B2 (ja) 2005-01-07 2011-05-25 ダイセル化学工業株式会社 高純度脂環式ジエポキシ化合物およびその製造方法
JP5248790B2 (ja) * 2007-03-02 2013-07-31 株式会社ダイセル 繊維強化複合材料用エポキシ樹脂組成物及び繊維強化複合材料
GB2460050A (en) 2008-05-14 2009-11-18 Hexcel Composites Ltd Epoxy composite
KR101605581B1 (ko) * 2008-09-29 2016-03-22 도레이 카부시키가이샤 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합 재료
JP2012126568A (ja) * 2010-12-17 2012-07-05 Fuji Xerox Co Ltd 記録材処理装置
CN103781772B (zh) 2011-09-14 2016-02-03 株式会社大赛璐 三环氧化合物及其制备方法
JP6131593B2 (ja) * 2012-01-19 2017-05-24 東レ株式会社 プリプレグおよび繊維強化複合材料
JP2015108052A (ja) * 2013-12-04 2015-06-11 東レ株式会社 エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP6464769B2 (ja) 2015-01-21 2019-02-06 日油株式会社 熱硬化性樹脂組成物及びその硬化膜を備えるカラーフィルター
JP2016160352A (ja) 2015-03-02 2016-09-05 株式会社ダイセル 硬化性エポキシ樹脂組成物
KR20180045863A (ko) 2015-08-27 2018-05-04 도레이 카부시키가이샤 에폭시 수지 조성물 및 이로부터 제조된 섬유 강화 복합 재료

Also Published As

Publication number Publication date
WO2018073652A2 (en) 2018-04-26
CN109890866A (zh) 2019-06-14
WO2018073652A3 (en) 2018-06-07
JP2019533027A (ja) 2019-11-14
RU2019114198A (ru) 2020-11-24
US20200048453A1 (en) 2020-02-13
CN109890866B (zh) 2021-11-12
KR20190070913A (ko) 2019-06-21
EP3529294A2 (en) 2019-08-28
RU2019114198A3 (https=) 2021-02-05
US10829633B2 (en) 2020-11-10
EP3529294A4 (en) 2020-05-20
EP3529294B1 (en) 2022-05-18

Similar Documents

Publication Publication Date Title
JP6943278B2 (ja) エポキシ樹脂組成物及びそれから作製された繊維強化複合材料
CN107949594B (zh) 环氧树脂组合物及由其制造的纤维增强复合材料
CN102822227B (zh) 碳纤维增强复合材料用环氧树脂组合物、预浸料以及碳纤维增强复合材料
JP4972851B2 (ja) 繊維強化複合材料用エポキシ樹脂組成物
RU2736820C2 (ru) Композиция эпоксидной смолы, препрег и композитный материал, армированный углеродным волокном
JPWO2001092368A1 (ja) 繊維強化複合材料用エポキシ樹脂組成物
KR20190123278A (ko) 에폭시 수지 조성물, 프리프레그 및 탄소섬유 강화 복합 재료
JP2016132709A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP2017039875A (ja) エポキシ樹脂組成物、樹脂硬化物、プリプレグおよび繊維強化複合材料
JP2016132708A (ja) エポキシ樹脂組成物、プリプレグおよび繊維強化複合材料
JP7190258B2 (ja) エポキシ樹脂組成物、プリプレグ、及び繊維強化複合材料
JP7200996B2 (ja) ベンゾオキサジン樹脂組成物、プリプレグ、及び繊維強化複合材料
CN112839977B (zh) 预浸料、纤维增强复合树脂成型体、管状成型体的制造方法、环氧树脂组合物及管状成型体
KR20210062034A (ko) 에폭시 수지 조성물, 프리프레그 및 섬유 강화 복합재료
JP7613459B2 (ja) ベンゾオキサジン樹脂組成物、プリプレグ、及び繊維強化複合材料
JP2003238658A (ja) 繊維強化複合材料用エポキシ樹脂組成物および繊維強化複合材料の製造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200825

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200825

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210615

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210719

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210810

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210823

R151 Written notification of patent or utility model registration

Ref document number: 6943278

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151