JP7837740B2 - 電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法 - Google Patents

電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法

Info

Publication number
JP7837740B2
JP7837740B2 JP2022020581A JP2022020581A JP7837740B2 JP 7837740 B2 JP7837740 B2 JP 7837740B2 JP 2022020581 A JP2022020581 A JP 2022020581A JP 2022020581 A JP2022020581 A JP 2022020581A JP 7837740 B2 JP7837740 B2 JP 7837740B2
Authority
JP
Japan
Prior art keywords
group
electrophotographic photoreceptor
formula
carbon atoms
surface 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
JP2022020581A
Other languages
English (en)
Japanese (ja)
Other versions
JP2023117819A5 (https=
JP2023117819A (ja
Inventor
純 大平
寿康 白砂
育世 黒岩
剛志 嶋田
高典 上野
健一 怒
晴彦 満田
亮一 時光
アイリーン 竹内
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP2022020581A priority Critical patent/JP7837740B2/ja
Priority to US18/161,328 priority patent/US20230259048A1/en
Priority to EP23154688.8A priority patent/EP4227739A1/en
Publication of JP2023117819A publication Critical patent/JP2023117819A/ja
Publication of JP2023117819A5 publication Critical patent/JP2023117819A5/ja
Application granted granted Critical
Publication of JP7837740B2 publication Critical patent/JP7837740B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/14—Inert intermediate or cover layers for charge-receiving layers
    • G03G5/147—Cover layers
    • G03G5/14708—Cover layers comprising organic material
    • G03G5/14713—Macromolecular material
    • G03G5/14791—Macromolecular compounds characterised by their structure, e.g. block polymers, reticulated polymers, or by their chemical properties, e.g. by molecular weight or acidity
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0592—Macromolecular compounds characterised by their structure or by their chemical properties, e.g. block polymers, reticulated polymers, molecular weight, acidity
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0532—Macromolecular bonding materials obtained by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0539—Halogenated polymers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0532—Macromolecular bonding materials obtained by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0542—Polyvinylalcohol, polyallylalcohol; Derivatives thereof, e.g. polyvinylesters, polyvinylethers, polyvinylamines
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0532—Macromolecular bonding materials obtained by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0546—Polymers comprising at least one carboxyl radical, e.g. polyacrylic acid, polycrotonic acid, polymaleic acid; Derivatives thereof, e.g. their esters, salts, anhydrides, nitriles, amides
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0557—Macromolecular bonding materials obtained otherwise than by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0564—Polycarbonates
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0596—Macromolecular compounds characterised by their physical properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0601—Acyclic or carbocyclic compounds
    • G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
    • G03G5/0614—Amines
    • G03G5/06142—Amines arylamine
    • G03G5/06144—Amines arylamine diamine
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0601—Acyclic or carbocyclic compounds
    • G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
    • G03G5/0614—Amines
    • G03G5/06142—Amines arylamine
    • G03G5/06144—Amines arylamine diamine
    • G03G5/061443—Amines arylamine diamine benzidine
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0601—Acyclic or carbocyclic compounds
    • G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
    • G03G5/0614—Amines
    • G03G5/06142—Amines arylamine
    • G03G5/06147—Amines arylamine alkenylarylamine
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0601—Acyclic or carbocyclic compounds
    • G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
    • G03G5/0614—Amines
    • G03G5/06142—Amines arylamine
    • G03G5/06147—Amines arylamine alkenylarylamine
    • G03G5/061473—Amines arylamine alkenylarylamine plural alkenyl groups linked directly to the same aryl group
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/07—Polymeric photoconductive materials
    • G03G5/071—Polymeric photoconductive materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/14—Inert intermediate or cover layers for charge-receiving layers
    • G03G5/147—Cover layers
    • G03G5/14708—Cover layers comprising organic material
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/14—Inert intermediate or cover layers for charge-receiving layers
    • G03G5/147—Cover layers
    • G03G5/14708—Cover layers comprising organic material
    • G03G5/14713—Macromolecular material
    • G03G5/14717—Macromolecular material obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G5/14726—Halogenated polymers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/14—Inert intermediate or cover layers for charge-receiving layers
    • G03G5/147—Cover layers
    • G03G5/14708—Cover layers comprising organic material
    • G03G5/14713—Macromolecular material
    • G03G5/14717—Macromolecular material obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G5/1473—Polyvinylalcohol, polyallylalcohol; Derivatives thereof, e.g. polyvinylesters, polyvinylethers, polyvinylamines
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/14—Inert intermediate or cover layers for charge-receiving layers
    • G03G5/147—Cover layers
    • G03G5/14708—Cover layers comprising organic material
    • G03G5/14713—Macromolecular material
    • G03G5/14717—Macromolecular material obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G5/14734—Polymers comprising at least one carboxyl radical, e.g. polyacrylic acid, polycrotonic acid, polymaleic acid; Derivatives thereof, e.g. their esters, salts, anhydrides, nitriles, amides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Photoreceptors In Electrophotography (AREA)
JP2022020581A 2022-02-14 2022-02-14 電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法 Active JP7837740B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022020581A JP7837740B2 (ja) 2022-02-14 2022-02-14 電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法
US18/161,328 US20230259048A1 (en) 2022-02-14 2023-01-30 Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method for producing electrophotographic photosensitive member
EP23154688.8A EP4227739A1 (en) 2022-02-14 2023-02-02 Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method for producing electrophotographic photosensitive member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022020581A JP7837740B2 (ja) 2022-02-14 2022-02-14 電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法

Publications (3)

Publication Number Publication Date
JP2023117819A JP2023117819A (ja) 2023-08-24
JP2023117819A5 JP2023117819A5 (https=) 2025-02-13
JP7837740B2 true JP7837740B2 (ja) 2026-03-31

Family

ID=85172918

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022020581A Active JP7837740B2 (ja) 2022-02-14 2022-02-14 電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法

Country Status (3)

Country Link
US (1) US20230259048A1 (https=)
EP (1) EP4227739A1 (https=)
JP (1) JP7837740B2 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009104145A (ja) 2006-10-31 2009-05-14 Canon Inc 電子写真感光体、電子写真感光体の製造方法、プロセスカートリッジおよび電子写真装置
JP2021047236A (ja) 2019-09-17 2021-03-25 富士ゼロックス株式会社 電子写真感光体、プロセスカートリッジ、及び画像形成装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3097940B2 (ja) 1993-05-26 2000-10-10 キヤノン株式会社 電子写真感光体及びそれを有する電子写真装置
JP2012203253A (ja) 2011-03-25 2012-10-22 Fuji Xerox Co Ltd 電子写真感光体、画像形成装置、およびプロセスカートリッジ
WO2019070003A1 (ja) * 2017-10-04 2019-04-11 三菱ケミカル株式会社 電子写真感光体、電子写真感光体カートリッジ及び画像形成装置
JP7314519B2 (ja) * 2019-02-08 2023-07-26 富士フイルムビジネスイノベーション株式会社 電子写真感光体、プロセスカートリッジ、および画像形成装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009104145A (ja) 2006-10-31 2009-05-14 Canon Inc 電子写真感光体、電子写真感光体の製造方法、プロセスカートリッジおよび電子写真装置
JP2021047236A (ja) 2019-09-17 2021-03-25 富士ゼロックス株式会社 電子写真感光体、プロセスカートリッジ、及び画像形成装置

Also Published As

Publication number Publication date
US20230259048A1 (en) 2023-08-17
JP2023117819A (ja) 2023-08-24
EP4227739A1 (en) 2023-08-16

Similar Documents

Publication Publication Date Title
JP2019095672A (ja) プロセスカートリッジ及び電子写真画像形成装置
CN112526836A (zh) 电子照相感光体、处理盒及图像形成装置
JP7314520B2 (ja) 電子写真感光体、プロセスカートリッジ、および画像形成装置
JP7187229B2 (ja) 電子写真感光体、電子写真感光体の製造方法、プロセスカートリッジおよび電子写真装置
JP6526286B2 (ja) 電子写真感光体、プロセスカートリッジおよび電子写真装置
JP7791735B2 (ja) 電子写真感光体、プロセスカートリッジおよび電子写真装置、並びに電子写真感光体の製造方法
JP7837740B2 (ja) 電子写真感光体、電子写真装置、プロセスカートリッジおよび電子写真感光体の製造方法
JP2022170536A (ja) フッ素原子含有樹脂微粒子の分散液、電子写真感光体、及び、電子写真感光体の製造方法
JP7826041B2 (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、および電子写真感光体の製造方法
JP7817851B2 (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、および電子写真感光体の製造方法
JP7817853B2 (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、および電子写真感光体の製造方法
JP7817852B2 (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、および電子写真感光体の製造方法
JP7682983B2 (ja) 電子写真感光体と中間転写ベルトとを有する電子写真装置、並びに該電子写真装置の製造方法
JP2024101817A (ja) 電子写真感光体、プロセスカートリッジ及び電子写真装置、並びに電子写真感光体の製造方法
EP4155824A1 (en) Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus, and method of producing electrophotographic photosensitive member
JP2024027077A (ja) 電子写真感光体、プロセスカートリッジ及び電子写真装置、並びに電子写真感光体の製造方法
JP2024139416A (ja) 電子写真感光体、プロセスカートリッジ及び電子写真装置、並びに電子写真感光体の製造方法
JP2024101821A (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、及び電子写真感光体の製造方法
JP7604329B2 (ja) 電子写真感光体、プロセスカートリッジ、および電子写真装置
US20250155830A1 (en) Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
JP2023117822A (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、および電子写真感光体の製造方法
JP7267710B2 (ja) 電子写真感光体、プロセスカートリッジ及び電子写真装置
JP2023118072A (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、及び電子写真感光体の製造方法
JP2023117805A (ja) 電子写真感光体、プロセスカートリッジ、電子写真装置、および電子写真感光体の製造方法
JP2025148211A (ja) 画像形成装置

Legal Events

Date Code Title Description
RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7421

Effective date: 20220630

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250204

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250204

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20251219

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20260106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260126

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: 20260217

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260318

R150 Certificate of patent or registration of utility model

Ref document number: 7837740

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150