EP0371360A3 - Electrophotographic toners - Google Patents

Electrophotographic toners Download PDF

Info

Publication number
EP0371360A3
EP0371360A3 EP19890121373 EP89121373A EP0371360A3 EP 0371360 A3 EP0371360 A3 EP 0371360A3 EP 19890121373 EP19890121373 EP 19890121373 EP 89121373 A EP89121373 A EP 89121373A EP 0371360 A3 EP0371360 A3 EP 0371360A3
Authority
EP
European Patent Office
Prior art keywords
electrophotographic toners
toners
electrophotographic
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
EP19890121373
Other languages
German (de)
Other versions
EP0371360B1 (en
EP0371360A2 (en
Inventor
Horst Dr. Harnisch
Roderich Dr. Raue
Klaus Dr. Wunderlich
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.)
Bayer 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.)
Filing date
Publication date
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of EP0371360A2 publication Critical patent/EP0371360A2/en
Publication of EP0371360A3 publication Critical patent/EP0371360A3/en
Application granted granted Critical
Publication of EP0371360B1 publication Critical patent/EP0371360B1/en
Anticipated expiration legal-status Critical
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
    • G03G9/097—Plasticisers; Charge controlling agents
    • G03G9/09733—Organic compounds
    • G03G9/09758—Organic compounds comprising a heterocyclic ring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
EP89121373A 1988-12-01 1989-11-18 Electrophotographic toners Expired - Lifetime EP0371360B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840488 1988-12-01
DE3840488A DE3840488A1 (en) 1988-12-01 1988-12-01 ELECTROPHOTOGRAPHIC TONER

Publications (3)

Publication Number Publication Date
EP0371360A2 EP0371360A2 (en) 1990-06-06
EP0371360A3 true EP0371360A3 (en) 1990-11-07
EP0371360B1 EP0371360B1 (en) 1993-03-31

Family

ID=6368236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89121373A Expired - Lifetime EP0371360B1 (en) 1988-12-01 1989-11-18 Electrophotographic toners

Country Status (5)

Country Link
US (1) US4997740A (en)
EP (1) EP0371360B1 (en)
JP (1) JPH02188763A (en)
CA (1) CA2004107A1 (en)
DE (2) DE3840488A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3935858A1 (en) * 1989-10-27 1991-05-02 Bayer Ag METHOD FOR PRODUCING ISOINDOL-BASED PIGMENTS
JPH05289407A (en) * 1992-04-09 1993-11-05 Tomoegawa Paper Co Ltd Positively charged color developer
US5559247A (en) * 1994-04-26 1996-09-24 Mitsui Toatsu Chemicals, Inc. Carboxylate and heat-sensitive recording material using same
JP3720092B2 (en) * 1995-09-06 2005-11-24 保土谷化学工業株式会社 Toner for electrostatic image development
WO1998031667A1 (en) * 1997-01-16 1998-07-23 Ciba Specialty Chemicals Holding Inc. Amino-iminoisoindolenine benzene sulfonate, and process for the preparation of nitrate and benzene sulfonate salts of amino-aminoisoindolenine derivatives

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879100C (en) * 1949-08-25 1953-06-09 Bayer Ag Process for the production and isolation of new intermediate products of the phthalocyanine synthesis
US2752346A (en) * 1949-08-25 1956-06-26 Bayer Ag Process for production of isoindolenine derivatives
DD207908A1 (en) * 1981-09-24 1984-03-21 Wolfgang Klar METHOD FOR THE MANIPULAR PRODUCTION OF 1-AMINO-3-IMINO-ISO-INDOLENIN NITRATE (I-NITRATE)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61156137A (en) * 1984-12-28 1986-07-15 Canon Inc Electrostatic charge image developing toner
JPS61217055A (en) * 1985-03-22 1986-09-26 Canon Inc Electrostatic charge image developing toner
JPS61258268A (en) * 1985-05-13 1986-11-15 Canon Inc Charge providing material for developing electrostatic charge image
JPS61259265A (en) * 1985-05-14 1986-11-17 Canon Inc Charge providing material for developing electrostatic charge image
JPS63201665A (en) * 1987-02-18 1988-08-19 Ricoh Co Ltd Toner for electrostatic charge image development
JPH01259387A (en) * 1988-04-11 1989-10-17 Ricoh Co Ltd Triboelectrostatic charge imparting member
DE3821199A1 (en) * 1988-06-23 1989-12-28 Basf Ag ELECTROSTATIC TONER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879100C (en) * 1949-08-25 1953-06-09 Bayer Ag Process for the production and isolation of new intermediate products of the phthalocyanine synthesis
US2752346A (en) * 1949-08-25 1956-06-26 Bayer Ag Process for production of isoindolenine derivatives
DD207908A1 (en) * 1981-09-24 1984-03-21 Wolfgang Klar METHOD FOR THE MANIPULAR PRODUCTION OF 1-AMINO-3-IMINO-ISO-INDOLENIN NITRATE (I-NITRATE)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 49 (P-547)(2496) 14 Februar 1987, & JP-A-61 217055 (CANON INC.) 26 September 1986, *

Also Published As

Publication number Publication date
CA2004107A1 (en) 1990-06-01
DE58903960D1 (en) 1993-05-06
JPH02188763A (en) 1990-07-24
EP0371360B1 (en) 1993-03-31
EP0371360A2 (en) 1990-06-06
US4997740A (en) 1991-03-05
DE3840488A1 (en) 1990-06-07

Similar Documents

Publication Publication Date Title
EP0372764A3 (en) Liquid electrophotographic toners
EP0411532A3 (en) Electrophotographic photoreceptor
EP0362804A3 (en) Electrophotographic photoreceptor
EP0414185A3 (en) Electrophotographic photoreceptor
EP0203818A3 (en) Electrophotographic toner
EP0361514A3 (en) Electrophotographic photoreceptor
EP0307227A3 (en) Electrophotographic photoreceptor
EP0347695A3 (en) Electrostatic toner
GB2211954B (en) Electrophotographic photoreceptor
GB2233778B (en) An electrophotographic photoreceptor
GB2224224B (en) Electrophotographic photoreceptor
EP0414464A3 (en) Electrophotograhic toner
GB2224857B (en) An electrophotographic photoreceptor
EP0355006A3 (en) Electrophotographical toner electrophotographical toner
EP0385185A3 (en) Electrophotographic photoreceptor
EP0414187A3 (en) Electrophotographic photoreceptor
EP0357039A3 (en) Electrophotographic photoreceptor
EP0322823A3 (en) Electrophotographic photoreceptor
EP0368276A3 (en) Electrophotographic photoreceptor
DE3665228D1 (en) Electrophotographic toner
EP0291089A3 (en) Electrophotographic photoreceptor
EP0371360A3 (en) Electrophotographic toners
GB2226653B (en) Photosensitive member for electrophotography
EP0376311A3 (en) Photosensitive member for electrophotography
EP0340928A3 (en) Positively chargeable toner

Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 19891118

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): CH DE FR GB LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE FR GB LI NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BAYER AG

17Q First examination report despatched

Effective date: 19920630

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB LI NL

REF Corresponds to:

Ref document number: 58903960

Country of ref document: DE

Date of ref document: 19930506

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930414

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19931118

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19931130

Ref country code: CH

Effective date: 19931130

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19940601

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19931118

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19940729

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19940802

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST