GB2238395B - Two-color developer for electrophotography - Google Patents

Two-color developer for electrophotography

Info

Publication number
GB2238395B
GB2238395B GB9021918A GB9021918A GB2238395B GB 2238395 B GB2238395 B GB 2238395B GB 9021918 A GB9021918 A GB 9021918A GB 9021918 A GB9021918 A GB 9021918A GB 2238395 B GB2238395 B GB 2238395B
Authority
GB
United Kingdom
Prior art keywords
electrophotography
color developer
developer
color
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.)
Expired - Fee Related
Application number
GB9021918A
Other versions
GB2238395A (en
GB9021918D0 (en
Inventor
Hidehiko Soyama
Masanori Ichimura
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.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox 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
Priority claimed from JP1285023A external-priority patent/JPH03146959A/en
Priority claimed from JP1285024A external-priority patent/JP2569835B2/en
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Publication of GB9021918D0 publication Critical patent/GB9021918D0/en
Publication of GB2238395A publication Critical patent/GB2238395A/en
Application granted granted Critical
Publication of GB2238395B publication Critical patent/GB2238395B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/01—Electrographic processes using a charge pattern for multicoloured copies
    • G03G13/013—Electrographic processes using a charge pattern for multicoloured copies characterised by the developing step, e.g. the properties of the colour developers
    • 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
    • G03G9/0819—Developers with toner particles characterised by the dimensions of the 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
    • G03G9/09733—Organic compounds
    • G03G9/0975—Organic compounds anionic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
GB9021918A 1989-11-02 1990-10-09 Two-color developer for electrophotography Expired - Fee Related GB2238395B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1285023A JPH03146959A (en) 1989-11-02 1989-11-02 Dichroic electrophotographiing method
JP1285024A JP2569835B2 (en) 1989-11-02 1989-11-02 Two-color electrophotographic developer

Publications (3)

Publication Number Publication Date
GB9021918D0 GB9021918D0 (en) 1990-11-21
GB2238395A GB2238395A (en) 1991-05-29
GB2238395B true GB2238395B (en) 1994-04-06

Family

ID=26555718

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9021918A Expired - Fee Related GB2238395B (en) 1989-11-02 1990-10-09 Two-color developer for electrophotography
GB9314518A Expired - Fee Related GB2267355B (en) 1989-11-02 1993-07-13 Two-color developer for electrophotography

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9314518A Expired - Fee Related GB2267355B (en) 1989-11-02 1993-07-13 Two-color developer for electrophotography

Country Status (2)

Country Link
DE (1) DE4032702A1 (en)
GB (2) GB2238395B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486750A (en) * 1990-07-31 1992-03-19 Konica Corp Color image forming method
US5078087A (en) * 1991-03-11 1992-01-07 Xerox Corporation Development apparatus
US5212036A (en) * 1991-05-28 1993-05-18 Xerox Corporation Passivated green toner compositions comprising positive charge enhancing additive

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066141A2 (en) * 1981-05-15 1982-12-08 Hitachi, Ltd. Electrophotographic recording method
GB2201522A (en) * 1986-11-18 1988-09-01 Fuji Xerox Co Ltd Image recording method
EP0343853A1 (en) * 1988-05-23 1989-11-29 Xerox Corporation Process for generating two-color images
EP0401437A1 (en) * 1988-01-04 1990-12-12 Xerox Corporation Highlight color imaging apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066141A2 (en) * 1981-05-15 1982-12-08 Hitachi, Ltd. Electrophotographic recording method
GB2201522A (en) * 1986-11-18 1988-09-01 Fuji Xerox Co Ltd Image recording method
EP0401437A1 (en) * 1988-01-04 1990-12-12 Xerox Corporation Highlight color imaging apparatus
EP0343853A1 (en) * 1988-05-23 1989-11-29 Xerox Corporation Process for generating two-color images

Also Published As

Publication number Publication date
GB2238395A (en) 1991-05-29
GB2267355A (en) 1993-12-01
GB9314518D0 (en) 1993-08-25
GB9021918D0 (en) 1990-11-21
GB2267355B (en) 1994-04-06
DE4032702A1 (en) 1991-05-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991009