EP0168748A3 - Suspension developer for electrophotography and process for its preparation - Google Patents

Suspension developer for electrophotography and process for its preparation Download PDF

Info

Publication number: EP0168748A3
Authority: EP; European Patent Office
Prior art keywords: electrophotography; preparation; suspension developer; developer; suspension
Prior art date: 1984-07-17
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

EP85108465A

Other languages

German (de)

Other versions

EP0168748B1 (en

EP0168748A2 (en

Inventor

Wolfgang Dr. Podszun

John Ir. Goossens

Carlhans Dr. Suling

Gunther Dr. Hoffarth

Wolfgang Dr. Richter

Herman Dr. Uytterhoeven

Walter Dr. De Winter

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.)

Agfa Gevaert AG

Original Assignee

Agfa Gevaert AG

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.)

1984-07-17

Filing date

1985-07-09

Publication date

1988-03-09

1985-07-09 Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG

1986-01-22 Publication of EP0168748A2 publication Critical patent/EP0168748A2/en

1988-03-09 Publication of EP0168748A3 publication Critical patent/EP0168748A3/en

1990-12-05 Application granted granted Critical

1990-12-05 Publication of EP0168748B1 publication Critical patent/EP0168748B1/en

2005-07-09 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G03G9/12—Developers with toner particles in liquid developer mixtures
- G03G9/135—Developers with toner particles in liquid developer mixtures characterised by stabiliser or charge-controlling agents
- G03G9/1355—Ionic, organic compounds
- 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
- G03G9/12—Developers with toner particles in liquid developer mixtures
- G03G9/13—Developers with toner particles in liquid developer mixtures characterised by polymer components
- G03G9/131—Developers with toner particles in liquid developer mixtures characterised by polymer components obtained by reactions only involving carbon-to-carbon unsaturated bonds
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/001—Electric or magnetic imagery, e.g., xerography, electrography, magnetography, etc. Process, composition, or product
- Y10S430/105—Polymer in developer

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Liquid Developers In Electrophotography (AREA)
Polymerisation Methods In General (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

EP85108465A 1984-07-17 1985-07-09 Suspension developer for electrophotography and process for its preparation Expired - Lifetime EP0168748B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19843426256 DE3426256A1 (en)	1984-07-17	1984-07-17	ELECTROSTATOGRAPHIC SUSPENSION DEVELOPER AND METHOD FOR THE PRODUCTION THEREOF
DE3426256		1984-07-17

Publications (3)

Publication Number	Publication Date
EP0168748A2 EP0168748A2 (en)	1986-01-22
EP0168748A3 true EP0168748A3 (en)	1988-03-09
EP0168748B1 EP0168748B1 (en)	1990-12-05

Family

ID=6240813

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP85108465A Expired - Lifetime EP0168748B1 (en)	1984-07-17	1985-07-09	Suspension developer for electrophotography and process for its preparation

Country Status (4)

Country	Link
US (1)	US4639403A (en)
EP (1)	EP0168748B1 (en)
JP (1)	JPS6139058A (en)
DE (2)	DE3426256A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2590895B2 (en) *	1987-07-16	1997-03-12	富士ゼロックス株式会社	Carrier for developer
US4837391A (en) *	1988-08-05	1989-06-06	Eastman Kodak Company	Dry electrostatographic developer containing toner particles comprising a vinyl addition polymer containing a covalently bound quaternary phosphonium salt
US4837393A (en) *	1988-08-05	1989-06-06	Eastman Kodak Company	Electrostatographic toner particle comprising a polyester containing a covalently bound quaternary phosphonium salt
US4837394A (en) *	1988-08-05	1989-06-06	Eastman Kodak Company	electrostatographic toner particle comprising a polyester containing a covalently bound quaternary phosphonium salt
US4855396A (en) *	1988-08-05	1989-08-08	Eastman Kodak Company	Polyesters containing covalently bound quaternary phosphonium salts
US4837392A (en) *	1988-08-05	1989-06-06	Eastman Kodak Company	Dry electrostatographic developer containing toner particles comprising a vinyl addition polymer containing a covalently bound quaternary phosphonium salt
JP2587277B2 (en) *	1988-09-12	1997-03-05	富士写真フイルム株式会社	Liquid developer for printing plate
US5035972A (en) *	1989-10-31	1991-07-30	E. I. Du Pont De Nemours And Company	AB diblock copolymers as charge directors for negative electrostatic liquid developer
US5130221A (en) *	1990-03-07	1992-07-14	Dximaging	Salts of acid-containing ab diblock copolymers as charge directors for positive-working electrostatic liquid developers
US5457002A (en) *	1994-08-23	1995-10-10	Lexmark International, Inc.	Carrier fluid for liquid electrophotographic toner
US5876887A (en) *	1997-02-26	1999-03-02	Xerox Corporation	Charge generation layers comprising pigment mixtures
US7002728B2 (en) *	1997-08-28	2006-02-21	E Ink Corporation	Electrophoretic particles, and processes for the production thereof
US7247379B2 (en) *	1997-08-28	2007-07-24	E Ink Corporation	Electrophoretic particles, and processes for the production thereof
WO2002002433A2 (en) *	2000-07-03	2002-01-10	Kodiak Technologies, Inc.	Thermal container with data monitoring system
US7230750B2 (en)	2001-05-15	2007-06-12	E Ink Corporation	Electrophoretic media and processes for the production thereof
US20100148385A1 (en) *	2001-05-15	2010-06-17	E Ink Corporation	Electrophoretic media and processes for the production thereof
JP4188091B2 (en)	2001-05-15	2008-11-26	イーインクコーポレイション	Electrophoretic particles
US20090009852A1 (en) *	2001-05-15	2009-01-08	E Ink Corporation	Electrophoretic particles and processes for the production thereof
DE102009048542A1 (en) *	2009-10-07	2011-04-21	Clariant International Ltd.	Easily dispersible pigment preparation based on C.I. Pigment Yellow 155
WO2018092902A1 (en) *	2016-11-21	2018-05-24	キヤノン株式会社	Curable liquid developer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4229513A (en) *	1979-05-29	1980-10-21	Eastman Kodak Company	Liquid electrographic developers containing polymeric quaternary salts
EP0114419A1 (en) *	1983-01-20	1984-08-01	Agfa-Gevaert N.V.	Liquid developer for development of electrostatic images

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50147722A (en) *	1974-05-17	1975-11-27

1984
- 1984-07-17 DE DE19843426256 patent/DE3426256A1/en not_active Withdrawn
1985
- 1985-07-05 US US06/752,095 patent/US4639403A/en not_active Expired - Fee Related
- 1985-07-09 DE DE8585108465T patent/DE3580798D1/en not_active Expired - Fee Related
- 1985-07-09 EP EP85108465A patent/EP0168748B1/en not_active Expired - Lifetime
- 1985-07-12 JP JP15257285A patent/JPS6139058A/en active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4229513A (en) *	1979-05-29	1980-10-21	Eastman Kodak Company	Liquid electrographic developers containing polymeric quaternary salts
EP0114419A1 (en) *	1983-01-20	1984-08-01	Agfa-Gevaert N.V.	Liquid developer for development of electrostatic images

Also Published As

Publication number	Publication date
EP0168748B1 (en)	1990-12-05
JPS6139058A (en)	1986-02-25
US4639403A (en)	1987-01-27
EP0168748A2 (en)	1986-01-22
DE3580798D1 (en)	1991-01-17
DE3426256A1 (en)	1986-01-23

Publication	Publication Date	Title
DE3564624D1 (en)	1988-09-29	Preparation of toner particles
DE3470349D1 (en)	1988-05-11	Electrophotographic toner
DE3562143D1 (en)	1988-05-19	Electrophotographic photoreceptor
EP0183566A3 (en)	1987-08-26	Heat-fixable electrophotographic toner
DE3371575D1 (en)	1987-06-19	Pressure-fixing toner for electrophotography and process for preparation thereof
DE3571355D1 (en)	1989-08-10	Process for producing toner for electrophotography
EP0168748A3 (en)	1988-03-09	Suspension developer for electrophotography and process for its preparation
EP0161934A3 (en)	1986-01-29	Electrophotographic imaging process
GB8530131D0 (en)	1986-01-15	Toner
EP0234247A3 (en)	1988-04-27	Electrophotographic photoreceptor and electrophotographic process
GB2159970B (en)	1988-03-23	Electrophotographic toner
EP0238130A3 (en)	1988-01-07	Toner for electrophotography
GB8521468D0 (en)	1985-10-02	Colour electrophotographic copying process
EP0241223A3 (en)	1987-12-23	Electrographic toner and process for preparation thereof
DE3466440D1 (en)	1987-10-29	Electrophotographic recording material and process for its preparation
DE3560469D1 (en)	1987-09-17	Suspension developer for electrophotography
GB8514357D0 (en)	1985-07-10	Electrophotographic copier
GB2168169B (en)	1989-06-01	Electrophotographic apparatus
EP0168747A3 (en)	1988-03-23	Suspension developer for electrophotography and process for its preparation
GB2200470B (en)	1990-08-08	Toner for electrophotography
EP0153145A3 (en)	1986-02-05	Photoreceptor
GB8504904D0 (en)	1985-03-27	Electrophotographic copying apparatus
DE3564498D1 (en)	1988-09-22	Electrophotographic process
EP0213568A3 (en)	1988-07-27	Electrostatographic suspension developer
GB2180797B (en)	1989-11-08	Electrophotographic process

Legal Events

Date	Code	Title	Description
1985-11-22	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
1986-01-22	17P	Request for examination filed	Effective date: 19850709
1986-01-22	AK	Designated contracting states	Designated state(s): BE DE FR GB
1987-03-25	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: AGFA-GEVAERT AG
1988-01-19	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-03-09	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE FR GB
1990-02-07	17Q	First examination report despatched	Effective date: 19891221
1990-10-20	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1990-12-05	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE FR GB
1991-01-17	REF	Corresponds to:	Ref document number: 3580798 Country of ref document: DE Date of ref document: 19910117
1991-03-01	ET	Fr: translation filed
1991-04-03	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1991-07-09	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19910709
1991-07-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Effective date: 19910731
1991-10-10	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1991-10-10	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1991-11-27	26N	No opposition filed
1992-01-31	BERE	Be: lapsed	Owner name: AGFA-GEVAERT AG Effective date: 19910731
1992-03-04	GBPC	Gb: european patent ceased through non-payment of renewal fee
1992-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19920331
1992-04-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19920401
1992-05-29	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST