EP0136744A3 - Method for developing magnetic latent images - Google Patents

Method for developing magnetic latent images Download PDF

Info

Publication number
EP0136744A3
EP0136744A3 EP84201209A EP84201209A EP0136744A3 EP 0136744 A3 EP0136744 A3 EP 0136744A3 EP 84201209 A EP84201209 A EP 84201209A EP 84201209 A EP84201209 A EP 84201209A EP 0136744 A3 EP0136744 A3 EP 0136744A3
Authority
EP
European Patent Office
Prior art keywords
latent images
developing magnetic
magnetic latent
toner
magnetic
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.)
Withdrawn
Application number
EP84201209A
Other languages
German (de)
French (fr)
Other versions
EP0136744A2 (en
Inventor
Stephen L. Gaudioso
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.)
Xerox Corp
Original Assignee
Xerox Corp
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
Priority claimed from US06/115,974 external-priority patent/US4288516A/en
Priority claimed from US06/115,973 external-priority patent/US4271248A/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of EP0136744A2 publication Critical patent/EP0136744A2/en
Publication of EP0136744A3 publication Critical patent/EP0136744A3/en
Withdrawn legal-status Critical Current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
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0833—Oxides
    • 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
    • G03G9/0832—Metals
    • 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
    • G03G9/087—Binders for toner particles
    • G03G9/08742—Binders for toner particles comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/08755—Polyesters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

A method of developing latent magnetic images uses a magnetic toner which is flash-fused onto the copy medium. The toner particles are deposited to a pile height of 3-30 µm, and the toner comprises a mixture of magnetic material and a resin comprising a polymeric esterification product of a dicarboxylic acid and a diol comprising a diphenol having a specified formula.
EP84201209A 1980-01-28 1981-01-28 Method for developing magnetic latent images Withdrawn EP0136744A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US115973 1980-01-28
US06/115,974 US4288516A (en) 1980-01-28 1980-01-28 Polyester resin containing magnetic toner material and process for its use in flash fuser
US115974 1980-01-28
US06/115,973 US4271248A (en) 1980-01-28 1980-01-28 Magnetic latent image toner material and process for its use in flash fusing developing

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP81300371A Division EP0033248B1 (en) 1980-01-28 1981-01-28 Magnetic toner and method for developing using same
EP81300371.2 Division 1981-01-28

Publications (2)

Publication Number Publication Date
EP0136744A2 EP0136744A2 (en) 1985-04-10
EP0136744A3 true EP0136744A3 (en) 1987-09-02

Family

ID=26813773

Family Applications (2)

Application Number Title Priority Date Filing Date
EP84201209A Withdrawn EP0136744A3 (en) 1980-01-28 1981-01-28 Method for developing magnetic latent images
EP81300371A Expired EP0033248B1 (en) 1980-01-28 1981-01-28 Magnetic toner and method for developing using same

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP81300371A Expired EP0033248B1 (en) 1980-01-28 1981-01-28 Magnetic toner and method for developing using same

Country Status (2)

Country Link
EP (2) EP0136744A3 (en)
DE (1) DE3174121D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4634649A (en) * 1980-12-24 1987-01-06 Xerox Corporation Developer compositions
JPS5938754A (en) * 1982-08-30 1984-03-02 Konishiroku Photo Ind Co Ltd Electrostatic charge image developing toner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2025503A1 (en) * 1969-05-28 1970-12-03 Xerox Corp., Rochester, N.Y. (V.St.A.) Xerographic developer materials
US3590000A (en) * 1967-06-05 1971-06-29 Xerox Corp Solid developer for latent electrostatic images
US3627682A (en) * 1968-10-16 1971-12-14 Du Pont Encapsulated particulate binary magnetic toners for developing images
US4031021A (en) * 1974-03-25 1977-06-21 Deming Philip H Magnetic toner compositions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590000A (en) * 1967-06-05 1971-06-29 Xerox Corp Solid developer for latent electrostatic images
US3627682A (en) * 1968-10-16 1971-12-14 Du Pont Encapsulated particulate binary magnetic toners for developing images
DE2025503A1 (en) * 1969-05-28 1970-12-03 Xerox Corp., Rochester, N.Y. (V.St.A.) Xerographic developer materials
US4031021A (en) * 1974-03-25 1977-06-21 Deming Philip H Magnetic toner compositions

Also Published As

Publication number Publication date
EP0033248A1 (en) 1981-08-05
EP0136744A2 (en) 1985-04-10
DE3174121D1 (en) 1986-04-24
EP0033248B1 (en) 1986-03-19

Similar Documents

Publication Publication Date Title
US4980448A (en) Crosslinked polyester for toner and process for preparation thereof
EP0258710A3 (en) Reusable electrophotographic element
EP0234899A3 (en) Toner composition
EP0250139A3 (en) Electrophotographic developer
KR920012213A (en) Biaxially Oriented Polyester Film For Magnetic Recording Media
EP0312691B1 (en) Polyester resin for toner and process for its production
JPS57133521A (en) Magnetic recording medium
EP0358202A3 (en) Composition and method for developing electrostatic latent images
CA2029034A1 (en) Toner for developing electrostatic images, image forming method and image forming apparatus
EP0136744A3 (en) Method for developing magnetic latent images
HK71091A (en) Magnetic toner, negatively chargeable one component developer and image forming method
GB1462220A (en) Toner composition for use in electrophotography
KR900003699A (en) Formation method
GB1457070A (en) Toner composition for use in electrophotography
JPS5767943A (en) Retention type electrostatic recorder
EP0251215A3 (en) Chargeable resins for liquid electrostatic developers
JPS563430A (en) Biaxially oriented polyester film for magnetic tape
ES8303729A1 (en) Conductive single component magnetic toner for use in electronic printing devices
CA1046825A (en) Electrographic recording element with polyester resin coated on base support
US5063132A (en) Xerographic phototypesetting system and toner useful therein
CA2202202A1 (en) Wound magnetic roll developer tube and method of manufacture
JPS5630138A (en) Photoconductive powder
JPS57178246A (en) Photoconductive composition and electrophotographic sensitive material using it
IL40733A (en) Electrostatographic developer comprising a yellow pigment
JPS5528019A (en) Magnetic 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

AC Divisional application: reference to earlier application

Ref document number: 33248

Country of ref document: EP

AK Designated contracting states

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19880303

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GAUDIOSO, STEPHEN L.