JP2024505118A - プロトン交換膜水電解槽膜電極接合体 - Google Patents

プロトン交換膜水電解槽膜電極接合体 Download PDF

Info

Publication number
JP2024505118A
JP2024505118A JP2023571246A JP2023571246A JP2024505118A JP 2024505118 A JP2024505118 A JP 2024505118A JP 2023571246 A JP2023571246 A JP 2023571246A JP 2023571246 A JP2023571246 A JP 2023571246A JP 2024505118 A JP2024505118 A JP 2024505118A
Authority
JP
Japan
Prior art keywords
membrane
layer
providing
catalyst
layer film
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.)
Pending
Application number
JP2023571246A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022169844A5 (https=
JP2024505118A5 (https=
Inventor
ヤン，ファン
レイ，チャオ
グリフィス，アーサー
ストーン，ロバート
ミッテルステット，コートニー
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.)
Plug Power Inc
Original Assignee
Plug Power 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 Plug Power Inc filed Critical Plug Power Inc
Publication of JP2024505118A publication Critical patent/JP2024505118A/ja
Publication of JPWO2022169844A5 publication Critical patent/JPWO2022169844A5/ja
Publication of JP2024505118A5 publication Critical patent/JP2024505118A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/04—Diaphragms; Spacing elements characterised by the material
    • C25B13/08—Diaphragms; Spacing elements characterised by the material based on organic materials
    • 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
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
    • C25B11/053—Electrodes comprising one or more electrocatalytic coatings on a substrate characterised by multilayer electrocatalytic coatings
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • C25B11/081—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the element being a noble metal
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00—Diaphragms; Spacing elements
    • C25B13/02—Diaphragms; Spacing elements characterised by shape or form
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/21—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms two or more diaphragms
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Conductive Materials (AREA)
JP2023571246A 2021-02-02 2022-02-02 プロトン交換膜水電解槽膜電極接合体 Pending JP2024505118A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163144539P 2021-02-02 2021-02-02
US63/144,539 2021-02-02
PCT/US2022/014905 WO2022169844A1 (en) 2021-02-02 2022-02-02 Proton exchange membrane water electrolyzer membrane electrode assembly

Publications (3)

Publication Number Publication Date
JP2024505118A true JP2024505118A (ja) 2024-02-02
JPWO2022169844A5 JPWO2022169844A5 (https=) 2025-01-23
JP2024505118A5 JP2024505118A5 (https=) 2025-01-23

Family

ID=82613087

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2023571246A Pending JP2024505118A (ja) 2021-02-02 2022-02-02 プロトン交換膜水電解槽膜電極接合体
JP2023571248A Pending JP2024506756A (ja) 2021-02-02 2022-02-02 プロトン交換膜水電解槽膜電極接合体

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2023571248A Pending JP2024506756A (ja) 2021-02-02 2022-02-02 プロトン交換膜水電解槽膜電極接合体

Country Status (8)

Country Link
US (2) US20220243339A1 (https=)
EP (2) EP4288590A4 (https=)
JP (2) JP2024505118A (https=)
KR (2) KR20230142761A (https=)
CN (2) CN116963824A (https=)
AU (2) AU2022215554A1 (https=)
CA (2) CA3210507A1 (https=)
WO (2) WO2022169844A1 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11560632B2 (en) * 2018-09-27 2023-01-24 3M Innovative Properties Company Membrane, membrane electrode assembly, and water electrolyzer including the same
US10801827B1 (en) * 2019-05-03 2020-10-13 At&T Intellectual Property I, L.P. Sensor based on smart response of two-dimensional nanomaterial and associated method
AU2022215554A1 (en) 2021-02-02 2023-08-31 Plug Power Inc. Proton exchange membrane water electrolyzer membrane electrode assembly
AU2022425341A1 (en) * 2021-12-27 2024-06-27 Electric Hydrogen Co. Multi-layered membranes for electrochemical cells
CN120604367A (zh) * 2022-12-14 2025-09-05 W.L.戈尔及同仁股份有限公司 改进的用于水电解的多层质子交换膜
US20240344212A1 (en) * 2023-04-14 2024-10-17 Plug Power Inc. Recombination layers for crossover mitigation for exchange membranes and water electrolyzer membrane electrode assemblies
US20240426009A1 (en) * 2023-06-23 2024-12-26 Uop Llc Proton exchange membrane and catalyst-coated proton exchange membrane
WO2025143145A1 (ja) * 2023-12-27 2025-07-03 Ａｇｃ株式会社 固体高分子電解質膜、膜電極接合体、水電解装置及び水素の製造方法
WO2025143845A1 (ko) * 2023-12-28 2025-07-03 코오롱인더스트리 주식회사 수전해셀용 강화 복합막, 이를 포함하는 수전해셀용 막-전극 어셈블리 및 수전해셀
WO2025143203A1 (ja) * 2023-12-28 2025-07-03 Ａｇｃ株式会社 固体高分子電解質膜、膜電極接合体、水電解装置、水素の製造方法及び膜電極接合体の製造方法
US20250305168A1 (en) * 2024-03-27 2025-10-02 Ohmium International, Inc. Membranes for use in electrolyzers and processes for making the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011162880A (ja) * 2010-02-15 2011-08-25 Hamilton Sundstrand Corp 電解セル、高純度酸素生成システムおよび方法
US20200102660A1 (en) * 2017-04-03 2020-04-02 3M Innovative Properties Company Water electrolyzers
JP2020514528A (ja) * 2016-12-22 2020-05-21 ジョンソン、マッセイ、フュエル、セルズ、リミテッドＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｆｕｅｌ Ｃｅｌｌｓ Ｌｉｍｉｔｅｄ 積層構造を有する触媒コーティングされた膜
WO2020148545A1 (en) * 2019-01-17 2020-07-23 Johnson Matthey Fuel Cells Limited Membrane

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624885B1 (fr) 1987-12-17 1991-01-04 Commissariat Energie Atomique Ensemble electrodes-electrolyte polymere solide utilisable par exemple pour l'electrolyse de l'eau, et son procede de fabrication
DE19910773A1 (de) * 1999-03-11 2000-09-28 Degussa Verfahren zum Aufbringen von Elektrodenschichten auf eine bandförmige Polymerelektrolytmembran für Brennstoffzellen
DE19917812C2 (de) 1999-04-20 2002-11-21 Siemens Ag Membranelektrodeneinheit für eine selbstbefeuchtende Brennstoffzelle, Verfahren zu ihrer Herstellung und Brennstoffzellenbatterie mit einer solchen Membranelektrodeneinheit
US6696190B2 (en) 2001-06-29 2004-02-24 Plug Power Inc. Fuel cell system and method
US20050053818A1 (en) 2002-03-28 2005-03-10 Marc St-Arnaud Ion exchange composite material based on proton conductive functionalized inorganic support compounds in a polymer matrix
US7132188B2 (en) 2002-04-04 2006-11-07 The Board Of Trustees Of The University Of Illinois Fuel cells and fuel cell catalysts
EP1387422B1 (en) 2002-07-31 2016-04-06 Umicore AG & Co. KG Process for the manufacture of catalyst-coated substrates
US7252900B2 (en) 2003-09-09 2007-08-07 Plug Power Inc. Combination fuel cell and ion pump, and methods and infrastructure systems employing same
US8962132B2 (en) 2004-09-28 2015-02-24 Giner, Inc. Solid polymer electrolyte composite membrane comprising a porous support and a solid polymer electrolyte including a dispersed reduced noble metal or noble metal oxide
JP5247974B2 (ja) 2004-10-05 2013-07-24 旭硝子株式会社 固体高分子形水素・酸素燃料電池用電解質膜の製造方法
JP2007103291A (ja) * 2005-10-07 2007-04-19 Gs Yuasa Corporation:Kk 直接メタノール形燃料電池用膜／電極接合体の製造方法
JP2007157453A (ja) * 2005-12-02 2007-06-21 Matsushita Electric Ind Co Ltd 膜触媒層接合体、これを用いた膜電極接合体および高分子電解質形燃料電池
KR20080090079A (ko) 2007-04-04 2008-10-08 성균관대학교산학협력단 다공성 이온교환 촉매 멤브레인 및 그 제조방법
CN101463487B (zh) 2007-12-17 2010-06-09 中国电子科技集团公司第十八研究所 用于电解水的质子交换膜电极制备方法
JP5219571B2 (ja) * 2008-03-24 2013-06-26 三洋電機株式会社 膜電極接合体および燃料電池
WO2016048309A1 (en) 2014-09-24 2016-03-31 Vanderbilt University Polymer solution, fiber mat, and nanofiber membrane-electrode-assembly therewith, and method of fabricating same
GB201112382D0 (en) * 2011-07-19 2011-08-31 Fujifilm Mfg Europe Bv Curable compositions and membranes
JPWO2014087957A1 (ja) 2012-12-03 2017-01-05 Jsr株式会社 電解質膜アセンブリー、膜−電極接合体、燃料電池、水電解セルおよび水電解装置
US11011756B2 (en) 2013-03-15 2021-05-18 Vanderbilt University Nanofiber-based bipolar membranes, fabricating methods and applications of same
DK2957659T3 (da) * 2014-06-16 2019-05-06 Siemens Ag Gasdiffusionslag, PEM-elektrolysecelle med et sådant gasdiffusionslag samt elektrolysør
US11124885B2 (en) 2014-06-17 2021-09-21 Plug Power Inc. Anode catalyst suitable for use in an electrolyzer
KR20160067720A (ko) 2014-12-04 2016-06-14 주식회사 엘지화학 중합체 및 이를 포함하는 고분자 전해질막
US12359325B2 (en) 2016-05-03 2025-07-15 Twelve Benefit Corporation Membrane electrode assembly for COx reduction
JP6784776B2 (ja) * 2016-05-03 2020-11-11 オーパス １２ インコーポレイテッドＯｐｕｓ １２ Ｉｎｃｏｒｐｏｒａｔｅｄ Ｃｏ２、ｃｏおよび他の化学化合物の電気化学反応のための先進的構造を有するリアクタ
CN109690854B (zh) 2016-08-25 2023-08-22 质子能体系股份有限公司 膜电极组合件及其制造方法
US11329294B2 (en) * 2018-03-22 2022-05-10 Kabushiki Kaisha Toshiba Laminated electrolyte membrane, membrane electrode assembly, water electrolysis cell, stack, water electrolyzer, and hydrogen utilizing system
KR102291160B1 (ko) 2018-11-08 2021-08-19 한국과학기술원 연료전지용 금 도핑 백금계 합금 촉매 및 이의 제조 방법
WO2020112919A1 (en) 2018-11-28 2020-06-04 Opus 12, Inc. Electrolyzer and method of use
CN113454270B (zh) * 2019-03-28 2024-11-12 东丽株式会社 层叠电解质膜、膜电极复合体、水电解式氢产生装置、以及层叠电解质膜的制造方法
BR112022019801A2 (pt) 2020-03-31 2022-11-16 Plug Power Inc Método e sistema para compressão eletroquímica de hidrogênio gasoso
AU2022215554A1 (en) 2021-02-02 2023-08-31 Plug Power Inc. Proton exchange membrane water electrolyzer membrane electrode assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011162880A (ja) * 2010-02-15 2011-08-25 Hamilton Sundstrand Corp 電解セル、高純度酸素生成システムおよび方法
JP2020514528A (ja) * 2016-12-22 2020-05-21 ジョンソン、マッセイ、フュエル、セルズ、リミテッドＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｆｕｅｌ Ｃｅｌｌｓ Ｌｉｍｉｔｅｄ 積層構造を有する触媒コーティングされた膜
US20200102660A1 (en) * 2017-04-03 2020-04-02 3M Innovative Properties Company Water electrolyzers
WO2020148545A1 (en) * 2019-01-17 2020-07-23 Johnson Matthey Fuel Cells Limited Membrane

Also Published As

Publication number Publication date
EP4288590A4 (en) 2025-07-09
JP2024506756A (ja) 2024-02-14
EP4288590A1 (en) 2023-12-13
CA3210508A1 (en) 2022-08-11
WO2022169844A1 (en) 2022-08-11
KR20230137983A (ko) 2023-10-05
EP4288191A4 (en) 2025-11-12
US20220243344A1 (en) 2022-08-04
WO2022169851A1 (en) 2022-08-11
CN116917547A (zh) 2023-10-20
CN116963824A (zh) 2023-10-27
US12344942B2 (en) 2025-07-01
AU2022216247A1 (en) 2023-08-31
CA3210507A1 (en) 2022-08-11
EP4288191A1 (en) 2023-12-13
US20220243339A1 (en) 2022-08-04
AU2022215554A1 (en) 2023-08-31
KR20230142761A (ko) 2023-10-11

Similar Documents

Publication Publication Date Title
JP2024505118A (ja) プロトン交換膜水電解槽膜電極接合体
US11502308B2 (en) Catalyst-coated membrane having a laminate structure
CN1977415B (zh) 制造整体膜电极组件的层合方法
CN114080475B (zh) 用于聚合物电解质水电解池的聚合物膜的制备方法
AU2025268573A1 (en) Low-hydrogen-permeability proton exchange membrane, and preparation method therefor and use thereof
CN102522570A (zh) 一种增强型质子交换膜燃料电池膜电极制备方法
JP2010073639A (ja) 膜電極接合体の製造方法
CN106299426B (zh) 一种膜电极的制备工艺
WO2024100383A2 (en) Method
KR20260022292A (ko) 교환막 및 수전해조 막 전극 조립체에 대한 교차 완화를 위한 재결합층
CA3303524A1 (en) Low-hydrogen-permeability proton exchange membrane, and preparation method therefor and use thereof
GB2642535A (en) Catalyst-coated polymer electrolyte membranes and methods for their manufacture
WO2025171442A1 (en) Method of electrolysis and system for generating hydrogen
CN116435560A (zh) 一种聚合物电解质有序化大面积膜电极的批量制备工艺
CN119843300A (zh) 电极结构体、气体扩散层及水电解装置
WO2024246487A1 (en) Method of manufacturing a catalyst-coated ion-conducting membrane
CN120719310A (zh) 膜电极结构体的制造方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250115

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250115

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20251015

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20251104

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20260203

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260319