EP0415727A3 - Toner for developing statically charged images and process for preparation thereof - Google Patents

Toner for developing statically charged images and process for preparation thereof Download PDF

Info

Publication number
EP0415727A3
EP0415727A3 EP19900309421 EP90309421A EP0415727A3 EP 0415727 A3 EP0415727 A3 EP 0415727A3 EP 19900309421 EP19900309421 EP 19900309421 EP 90309421 A EP90309421 A EP 90309421A EP 0415727 A3 EP0415727 A3 EP 0415727A3
Authority
EP
European Patent Office
Prior art keywords
toner
preparation
statically charged
charged images
developing
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.)
Granted
Application number
EP19900309421
Other versions
EP0415727B1 (en
EP0415727A2 (en
Inventor
Hideki Ota
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial 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 Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Publication of EP0415727A2 publication Critical patent/EP0415727A2/en
Publication of EP0415727A3 publication Critical patent/EP0415727A3/en
Application granted granted Critical
Publication of EP0415727B1 publication Critical patent/EP0415727B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/0802Preparation methods
    • G03G9/0815Post-treatment
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/0802Preparation methods
    • G03G9/0804Preparation methods whereby the components are brought together in a liquid dispersing medium
    • G03G9/0806Preparation methods whereby the components are brought together in a liquid dispersing medium whereby chemical synthesis of at least one of the toner components takes place
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/0825Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00Developers
    • G03G9/08Developers with toner particles
    • G03G9/0827Developers with toner particles characterised by their shape, e.g. degree of sphericity

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
EP19900309421 1989-08-29 1990-08-29 Toner for developing statically charged images and process for preparation thereof Expired - Lifetime EP0415727B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1222071A JP2658006B2 (en) 1989-08-29 1989-08-29 Electrostatic image developing toner and method of manufacturing the same
JP222071/89 1989-08-29

Publications (3)

Publication Number Publication Date
EP0415727A2 EP0415727A2 (en) 1991-03-06
EP0415727A3 true EP0415727A3 (en) 1991-04-24
EP0415727B1 EP0415727B1 (en) 1994-12-28

Family

ID=16776664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900309421 Expired - Lifetime EP0415727B1 (en) 1989-08-29 1990-08-29 Toner for developing statically charged images and process for preparation thereof

Country Status (4)

Country Link
EP (1) EP0415727B1 (en)
JP (1) JP2658006B2 (en)
CA (1) CA2024161A1 (en)
DE (1) DE69015515T2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2662324B2 (en) * 1991-07-22 1997-10-08 三田工業株式会社 Electrophotographic toner
JPH0527483A (en) * 1991-07-22 1993-02-05 Mita Ind Co Ltd Electrophotographic toner
US5272034A (en) * 1991-07-22 1993-12-21 Mita Industrial Co., Ltd. Process for producing electrophotographic toner
JP3066943B2 (en) * 1993-11-29 2000-07-17 キヤノン株式会社 Image forming method
US6033817A (en) * 1996-07-31 2000-03-07 Canon Kabushiki Kaisha Toner for developing electrostatic image and image forming method
US5856055A (en) * 1997-04-04 1999-01-05 Canon Kabushiki Kaisha Toner for developing electrostatic images and process for production thereof
EP0967527B1 (en) * 1998-06-24 2004-11-03 Canon Kabushiki Kaisha Toner and image forming method
US6346356B1 (en) 1999-05-17 2002-02-12 Canon Kabushiki Kaisha Toner, toner production process, and image-forming method
EP1772777A1 (en) 1999-10-06 2007-04-11 Canon Kabushiki Kaisha Toner, process for producing toner, image forming method and apparatus unit
US6589701B2 (en) 2000-07-28 2003-07-08 Canon Kabushiki Kaisha Dry toner, image forming method and process cartridge
US6537715B2 (en) 2000-07-28 2003-03-25 Canon Kabushiki Kaisha Toner, image-forming method and process cartridge
US6630275B2 (en) 2001-03-15 2003-10-07 Canon Kabushiki Kaisha Magnetic toner and process cartridge
US6875549B2 (en) 2001-04-10 2005-04-05 Canon Kabushiki Kaisha Dry toner, toner production process, image forming method and process cartridge
US6803164B2 (en) 2001-09-12 2004-10-12 Canon Kabushiki Kaisha Magnetic black toner
JP2003262972A (en) 2002-03-07 2003-09-19 Canon Inc Image forming apparatus
JP2005062797A (en) 2003-07-30 2005-03-10 Canon Inc Magnetic toner
EP1505448B1 (en) 2003-08-01 2015-03-04 Canon Kabushiki Kaisha Toner
US7288354B2 (en) 2003-08-01 2007-10-30 Canon Kabushiki Kaisha Toner
US7223511B2 (en) 2003-09-02 2007-05-29 Canon Kabushiki Kaisha Developer carrying member and developing method by using thereof
KR100960198B1 (en) 2005-04-22 2010-05-27 캐논 가부시끼가이샤 Magnetic toner
US7457572B2 (en) 2005-09-14 2008-11-25 Canon Kabushiki Kaisha Image forming method and process cartridge using specific toner regulating blade and toner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613559A (en) * 1985-04-01 1986-09-23 Xerox Corporation Process for colored toner compositions with controlled charges thereon
EP0253289A2 (en) * 1986-07-14 1988-01-20 Kao Corporation Spherical toner particle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135457A (en) * 1984-07-28 1986-02-19 Canon Inc Developing method
JP2593468B2 (en) * 1987-02-27 1997-03-26 三田工業株式会社 Manufacturing method of toner for electrophotography
JPS63293554A (en) * 1987-05-27 1988-11-30 Canon Inc Production of polymerized toner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4613559A (en) * 1985-04-01 1986-09-23 Xerox Corporation Process for colored toner compositions with controlled charges thereon
EP0253289A2 (en) * 1986-07-14 1988-01-20 Kao Corporation Spherical toner particle

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DATABASE WPIL, no. 89-018655 Derwent Publications Ltd.,London,GB, & JP-A-63293554 (CANON K.K.) *
PATENT ABSTRACTS OF JAPAN vol. 10, no. 190 (P-474)() 04 July 1986, & JP-A-61 35457 (CANON INC.) 19 February 1986, *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 1 (P-808)(3349) 06 January 1989, & JP-A-63 210850 (MITA IND. CO. LTD.) 01 September 1988, *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 165 (P-860)(3513) 20 April 1989, & JP-A-64 2063 (RICOH CO. LTD.) 06 January 1989, *

Also Published As

Publication number Publication date
EP0415727B1 (en) 1994-12-28
CA2024161A1 (en) 1991-03-01
JPH0384558A (en) 1991-04-10
JP2658006B2 (en) 1997-09-30
DE69015515D1 (en) 1995-02-09
DE69015515T2 (en) 1995-05-11
EP0415727A2 (en) 1991-03-06

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