DE69124127D1 - Magnetischer Toner - Google Patents

Magnetischer Toner

Info

Publication number: DE69124127D1
Authority: DE; Germany
Prior art keywords: magnetic toner; toner; magnetic
Prior art date: 1990-03-29
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.): Expired - Fee Related

Application number

DE69124127T

Other languages

English (en)

Other versions

DE69124127T2 (de

Inventor

Masaaki Taya

Hirohide Tanikawa

Yasutaka Akashi

Makoto Unno

Masaki Uchiyama

Kiichiro Sakashita

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.)

1990-03-29

Filing date

1991-03-28

Publication date

1997-02-27

1991-03-28 Application filed by Canon Inc filed Critical Canon Inc

1997-02-27 Publication of DE69124127D1 publication Critical patent/DE69124127D1/de

1997-06-19 Application granted granted Critical

1997-06-19 Publication of DE69124127T2 publication Critical patent/DE69124127T2/de

2011-03-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/083—Magnetic toner particles
- G03G9/0831—Chemical composition of the magnetic components
- G03G9/0833—Oxides

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Developing Agents For Electrophotography (AREA)

DE69124127T 1990-03-29 1991-03-28 Magnetischer Toner Expired - Fee Related DE69124127T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP7899990		1990-03-29
JP7048091		1991-03-11

Publications (2)

Publication Number	Publication Date
DE69124127D1 true DE69124127D1 (de)	1997-02-27
DE69124127T2 DE69124127T2 (de)	1997-06-19

Family

ID=26411636

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69124127T Expired - Fee Related DE69124127T2 (de)	1990-03-29	1991-03-28	Magnetischer Toner

Country Status (7)

Country	Link
US (1)	US5296326A (de)
EP (1)	EP0449326B1 (de)
JP (1)	JP2992907B2 (de)
KR (1)	KR950000834B1 (de)
CN (1)	CN1036875C (de)
CA (1)	CA2039290C (de)
DE (1)	DE69124127T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2974452B2 (ja) *	1991-06-19	1999-11-10	キヤノン株式会社	磁性トナー
JP2986370B2 (ja) *	1995-04-13	1999-12-06	株式会社巴川製紙所	電子写真用トナー
CA2305042A1 (en)	1999-04-16	2000-10-16	Suehiko Miura	Black magnetic iron oxide particles for magnetic toner and process for producing the same
DE10043492A1 (de)	2000-09-01	2002-03-14	Bayer Ag	Verwendung von Magnetteilchen und Verfahren zu deren Herstellung
US20040081904A1 (en) *	2002-09-24	2004-04-29	Brother Kogyo Kabushiki Kaisha	Electrostatic developing toner
JP5281294B2 (ja) *	2007-01-26	2013-09-04	三井金属鉱業株式会社	磁性酸化鉄粒子
KR101317195B1 (ko) *	2007-01-26	2013-10-15	캐논 가부시끼가이샤	자성 토너
JP4580028B2 (ja) *	2008-07-25	2010-11-10	キヤノン株式会社	画像形成方法及び画像形成装置
JP5773581B2 (ja) *	2010-05-28	2015-09-02	三井金属鉱業株式会社	被覆マグネタイト粒子の製造方法
JP5784292B2 (ja) *	2010-09-13	2015-09-24	三井金属鉱業株式会社	マグネタイト粒子
WO2013018367A1 (ja)	2011-08-03	2013-02-07	キヤノン株式会社	現像剤担持体、その製造方法及び現像装置
US10162281B2 (en)	2016-06-27	2018-12-25	Canon Kabushiki Kaisha	Liquid developer and manufacturing method of liquid developer
JP7034780B2 (ja)	2018-03-16	2022-03-14	キヤノン株式会社	液体現像剤
JP7237644B2 (ja)	2019-02-25	2023-03-13	キヤノン株式会社	液体現像剤及び液体現像剤の製造方法
EP4053243A4 (de) *	2019-10-30	2023-12-06	Canon Kabushiki Kaisha	Zusammensetzung und wärmetransportvorrichtung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2221776A (en) *	1938-09-08	1940-11-19	Chester F Carlson	Electron photography
US2618552A (en) *	1947-07-18	1952-11-18	Battelle Development Corp	Development of electrophotographic images
US2874063A (en) *	1953-03-23	1959-02-17	Rca Corp	Electrostatic printing
US3909258A (en) *	1972-03-15	1975-09-30	Minnesota Mining & Mfg	Electrographic development process
JPS5335697A (en) *	1976-09-14	1978-04-03	Matsushita Electric Works Ltd	Improving method for thermostability of iron black
CA1138723A (en) *	1978-07-28	1983-01-04	Tsutomu Toyono	Developing method for developer transfer under electrical bias and apparatus therefor
JPS5927901B2 (ja) *	1979-12-25	1984-07-09	京セラミタ株式会社	転写型一成分系磁性現像剤
JPS582226A (ja) *	1981-06-29	1983-01-07	Tone Sangyo Kk	赤色酸化鉄の製造方法
JPS58189646A (ja) *	1982-04-01	1983-11-05	Canon Inc	磁性トナ−
JPS58179846A (ja) *	1982-04-15	1983-10-21	Canon Inc	磁性カラ−トナ−
JPS61155223A (ja) *	1984-12-27	1986-07-14	Toda Kogyo Corp	球型を呈したマグネタイト粒子粉末及びその製造法
JPH0810341B2 (ja) *	1986-05-28	1996-01-31	キヤノン株式会社	磁性トナ−

1991
- 1991-03-27 CA CA002039290A patent/CA2039290C/en not_active Expired - Fee Related
- 1991-03-28 EP EP91105101A patent/EP0449326B1/de not_active Expired - Lifetime
- 1991-03-28 DE DE69124127T patent/DE69124127T2/de not_active Expired - Fee Related
- 1991-03-29 CN CN91101948A patent/CN1036875C/zh not_active Expired - Fee Related
- 1991-03-29 KR KR1019910005021A patent/KR950000834B1/ko not_active IP Right Cessation
- 1991-03-29 JP JP9110691A patent/JP2992907B2/ja not_active Expired - Lifetime
1992
- 1992-12-21 US US07/994,473 patent/US5296326A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
KR950000834B1 (ko)	1995-02-02
US5296326A (en)	1994-03-22
JP2992907B2 (ja)	1999-12-20
EP0449326B1 (de)	1997-01-15
CN1036875C (zh)	1997-12-31
EP0449326A1 (de)	1991-10-02
JPH04338971A (ja)	1992-11-26
CA2039290C (en)	1994-10-11
DE69124127T2 (de)	1997-06-19
CA2039290A1 (en)	1991-09-30
CN1055432A (zh)	1991-10-16
KR910017247A (ko)	1991-11-05

Publication	Publication Date	Title
DE69122716D1 (de)	1996-11-21	Elektrophotographischer Photorezeptor
DE69214033D1 (de)	1996-10-31	Elektrophotographisches Aufzeichnungsgerät
FI921953A (fi)	1993-01-10	Magnetisk taetning
IT1230495B (it)	1991-10-24	Toner magnetico
DE69025778D1 (de)	1996-04-18	Elektrophotographischer Photorezeptor
DE69124579D1 (de)	1997-03-20	Magnetisches Aufzeichnungsgerät
DE69219517D1 (de)	1997-06-12	Magnetischer Toner
DE69117818D1 (de)	1996-04-18	Toner
DE69120986D1 (de)	1996-08-29	Spulenanordnung
DE69221213D1 (de)	1997-09-04	Elektrophotographischer Toner
DE69210701D1 (de)	1996-06-20	Elektrophotographischer Toner
DE69124127D1 (de)	1997-02-27	Magnetischer Toner
FI913193A (fi)	1992-01-03	Magnetisk inspelnings- och aotergivningsanordning.
DE59108579D1 (de)	1997-04-10	Quatraturspulenanordnung
DE69232727D1 (de)	2002-09-12	Elektrofotografisches Aufzeichnungsgerät
DE69123404D1 (de)	1997-01-16	Elektrofotografisches Aufzeichnungselement
DE69118467D1 (de)	1996-05-09	Elektrophotographisches Element
DE69328960D1 (de)	2000-08-10	Kopiergerät
DE69127502D1 (de)	1997-10-09	Tonerzusammensetzung
DE69124867D1 (de)	1997-04-10	Elektrophotographischer Toner
DE69017343D1 (de)	1995-04-06	Magnetischer Toner.
FI924968A0 (fi)	1992-11-03	Latenta tiolmonomerer
DE69117233D1 (de)	1996-03-28	Elektrophotographischer Photorezeptor
DE69126562D1 (de)	1997-07-24	Magnetischer Toner
DE69128472D1 (de)	1998-01-29	Spulenschaltungen

Legal Events

Date	Code	Title	Description
1998-02-12	8364	No opposition during term of opposition
2011-01-20	8339	Ceased/non-payment of the annual fee