EP0716350A3 - Toner for developing electrostatic image - Google Patents

Toner for developing electrostatic image Download PDF

Info

Publication number: EP0716350A3
Authority: EP; European Patent Office
Prior art keywords: toner; electrostatic image; developing electrostatic; developing; image
Prior art date: 1994-12-05
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

EP95308667A

Other languages

German (de)

French (fr)

Other versions

EP0716350A2 (en

EP0716350B1 (en

Inventor

Kohji Inaba

Tatsuya Nakamura

Tatsuhiko Chiba

Takao Ishiyama

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.)

1994-12-05

Filing date

1995-12-01

Publication date

1996-09-11

1995-12-01 Application filed by Canon Inc filed Critical Canon Inc

1996-06-12 Publication of EP0716350A2 publication Critical patent/EP0716350A2/en

1996-09-11 Publication of EP0716350A3 publication Critical patent/EP0716350A3/en

2001-04-11 Application granted granted Critical

2001-04-11 Publication of EP0716350B1 publication Critical patent/EP0716350B1/en

2015-12-01 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- 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
- 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
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
- G03G9/09725—Silicon-oxides; Silicates
- 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
- G03G9/0825—Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
- 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
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
- G03G9/09716—Inorganic compounds treated with organic compounds

EP95308667A 1994-12-05 1995-12-01 Toner for developing electrostatic image Expired - Lifetime EP0716350B1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP329298/94		1994-12-05
JP32929894		1994-12-05
JP32929894		1994-12-05

Publications (3)

Publication Number	Publication Date
EP0716350A2 EP0716350A2 (en)	1996-06-12
EP0716350A3 true EP0716350A3 (en)	1996-09-11
EP0716350B1 EP0716350B1 (en)	2001-04-11

Family

ID=18219906

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95308667A Expired - Lifetime EP0716350B1 (en)	1994-12-05	1995-12-01	Toner for developing electrostatic image

Country Status (5)

Country	Link
EP (1)	EP0716350B1 (en)
KR (1)	KR0163998B1 (en)
CN (1)	CN1084889C (en)
DE (1)	DE69520654T2 (en)
HK (1)	HK1012058A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0856781B1 (en)	1997-01-31	2004-08-11	Seiko Epson Corporation	Developing unit
US6190815B1 (en)	1998-08-11	2001-02-20	Xerox Corporation	Toner compositions
US6553849B1 (en) *	1998-10-28	2003-04-29	Dillon F. Scofield	Electrodynamic particle size analyzer
US6087059A (en) *	1999-06-28	2000-07-11	Xerox Corporation	Toner and developer compositions
KR100385730B1 (en) *	2000-11-22	2003-05-27	주식회사 엘지화학	A magnetic toner composition having excellent durability
KR100409080B1 (en) *	2001-01-17	2003-12-11	주식회사 엘지화학	Toner composition having high transfer efficiency and a method for preparing the same
KR100409079B1 (en) *	2001-01-17	2003-12-11	주식회사 엘지화학	Toner composition having high transcription efficiency and a method for preparing the same
KR100446652B1 (en) *	2002-01-08	2004-09-04	주식회사 엘지화학	Method for preparing of color toner based nonmagnetic one component
US6610452B2 (en) *	2002-01-16	2003-08-26	Xerox Corporation	Toner compositions with surface additives
AU2003266697A1 (en) *	2002-10-02	2004-04-23	Matsushita Electric Industrial Co., Ltd.	Carrier for electrophotography
US6849673B2 (en)	2003-07-02	2005-02-01	J. M. Huber Corporation	Film forming coating composition containing surface treated barium sulfate, and methods of use
KR100635286B1 (en) *	2003-12-19	2006-10-17	주식회사 엘지화학	Non-magnetic monocomponent toner having excellent developing property at low temperature condition
CN100412700C (en) *	2006-08-02	2008-08-20	周学良	Red powdered carbon for color copier and its preparing process
DE102007033448A1 (en)	2007-07-18	2009-01-22	Wacker Chemie Ag	Highly dispersed metal oxides with a high positive surface charge
JP4623191B2 (en)	2008-09-26	2011-02-02	富士ゼロックス株式会社	Toner for developing electrostatic image, developer for developing electrostatic image, toner cartridge, process cartridge, image forming apparatus
KR101665509B1 (en) *	2009-12-29	2016-10-12	삼성전자 주식회사	Electrographic toner and process for preparing the same
JP7066439B2 (en) *	2018-02-14	2022-05-13	キヤノン株式会社	Toner external additive, toner external additive manufacturing method and toner

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4623605A (en) *	1983-12-26	1986-11-18	Minolta Camera Kabushiki Kaisha	Dry developer for developing electrostatic latent images contains silica and titanium dioxide
US5212039A (en) *	1990-11-30	1993-05-18	Minolta Camera Kabushiki Kaisha	Developing method of electrostatic latent images for full color image formation
JPH05127416A (en) *	1991-11-02	1993-05-25	Minolta Camera Co Ltd	Electrostatic latent image developing toner
US5219696A (en) *	1990-11-30	1993-06-15	Minolta Camera Kabushiki Kaisha	Toner for developing electrostatic latent image
JPH06208258A (en) *	1993-01-12	1994-07-26	Ricoh Co Ltd	Developing method
JPH06266153A (en) *	1993-03-12	1994-09-22	Toyo Ink Mfg Co Ltd	Toner for developing electrostatic charge image
EP0617336A2 (en) *	1993-03-25	1994-09-28	Nec Corporation	Electrostatic image developer

1995
- 1995-12-01 EP EP95308667A patent/EP0716350B1/en not_active Expired - Lifetime
- 1995-12-01 DE DE69520654T patent/DE69520654T2/en not_active Expired - Lifetime
- 1995-12-05 KR KR1019950046706A patent/KR0163998B1/en not_active IP Right Cessation
- 1995-12-05 CN CN95120514A patent/CN1084889C/en not_active Expired - Fee Related
1998
- 1998-12-10 HK HK98113104A patent/HK1012058A1/en not_active IP Right Cessation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4623605A (en) *	1983-12-26	1986-11-18	Minolta Camera Kabushiki Kaisha	Dry developer for developing electrostatic latent images contains silica and titanium dioxide
US5212039A (en) *	1990-11-30	1993-05-18	Minolta Camera Kabushiki Kaisha	Developing method of electrostatic latent images for full color image formation
US5219696A (en) *	1990-11-30	1993-06-15	Minolta Camera Kabushiki Kaisha	Toner for developing electrostatic latent image
JPH05127416A (en) *	1991-11-02	1993-05-25	Minolta Camera Co Ltd	Electrostatic latent image developing toner
JPH06208258A (en) *	1993-01-12	1994-07-26	Ricoh Co Ltd	Developing method
JPH06266153A (en) *	1993-03-12	1994-09-22	Toyo Ink Mfg Co Ltd	Toner for developing electrostatic charge image
EP0617336A2 (en) *	1993-03-25	1994-09-28	Nec Corporation	Electrostatic image developer

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 9325, Derwent World Patents Index; AN 93-201354, XP002008231 *
DATABASE WPI Week 9434, Derwent World Patents Index; AN 94-276360, XP002008232 *
DATABASE WPI Week 9443, Derwent World Patents Index; AN 94-344332, XP002008233 *

Also Published As

Publication number	Publication date
CN1084889C (en)	2002-05-15
DE69520654D1 (en)	2001-05-17
CN1131284A (en)	1996-09-18
DE69520654T2 (en)	2001-09-06
EP0716350A2 (en)	1996-06-12
EP0716350B1 (en)	2001-04-11
KR0163998B1 (en)	1999-03-20
HK1012058A1 (en)	1999-07-23
KR960024717A (en)	1996-07-20

Legal Events

Date	Code	Title	Description
1996-04-26	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1996-06-12	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1996-07-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1996-09-11	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1997-03-26	17P	Request for examination filed	Effective date: 19970122
1998-12-09	17Q	First examination report despatched	Effective date: 19981026
2000-03-10	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2000-07-19	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2000-07-19	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2000-10-17	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2001-02-23	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2001-03-01	ITF	It: translation for a ep patent filed	Owner name: SOCIETA' ITALIANA BREVETTI S.P.A.
2001-04-11	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT
2001-05-17	REF	Corresponds to:	Ref document number: 69520654 Country of ref document: DE Date of ref document: 20010517
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2002-02-15	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
2002-02-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
2002-04-03	26N	No opposition filed
2014-01-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20131231 Year of fee payment: 19 Ref country code: GB Payment date: 20131217 Year of fee payment: 19
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Publication	Publication Date	Title
SG38899A1 (en)	1997-04-17	Toner for developing electrostatic image
HK1011748A1 (en)	1999-07-16	Toner for developing electrostatic images
HK1012059A1 (en)	1999-07-23	Toner for developing electrostatic image
EP0744667A3 (en)	1997-02-26	Toner for developing electrostatic image
HK1012064A1 (en)	1999-07-23	Toner for developing electrostatic images
HK1011425A1 (en)	1999-07-09	Toner for developing electrostatic image
HK1012056A1 (en)	1999-07-23	Toner for developing electrostatic image
EP0720065A3 (en)	1996-08-21	Toner for developing electrostatic images
HK1002875A1 (en)	1998-09-25	Toner for developing electrostatic image and fixing method
HK1008903A1 (en)	1999-05-21	Toner for developing electrostatic image and image forming method
HK1011841A1 (en)	1999-07-16	Toner for developing electrostatic images and image forming method
GB2309791B (en)	1998-04-22	Toner for developing electrostatic images
SG45456A1 (en)	1998-01-16	Toner for developing electrostatic image and fixing method
SG43946A1 (en)	1997-11-14	Magnetic toner for developing electrostatic image
GB2280039B (en)	1997-01-22	Toner for developing latent electrostatic images
HK1011729A1 (en)	1999-07-16	Toner for developing electrostatic images
HK1011837A1 (en)	1999-07-16	Toner for developing electrostatic image
HK1012058A1 (en)	1999-07-23	Toner for developing electrostatic image
EP0762223A3 (en)	1997-10-22	Toner for developing electrostatic image
EP0843223A4 (en)	1998-10-28	Hot-roller fixing toner for developing electrostatically charged images
EP0658817A3 (en)	1995-09-27	Toner for developing electrostatic latent image.
EP0662642A3 (en)	1996-01-03	Toner for developing electrostatic images.
HK1009505A1 (en)	1999-06-04	Toner for developing electrostatic image and image forming method
GB9700298D0 (en)	1997-02-26	Toner for developing electrostatic latent image
EP0617337A3 (en)	1997-01-08	Toner for developing electrostatic image.