DE69125509T2 - Di- und trikationische negative Ladungssteuerungsmittel für Tonerzusammensetzung - Google Patents

Di- und trikationische negative Ladungssteuerungsmittel für Tonerzusammensetzung

Info

Publication number
DE69125509T2
DE69125509T2 DE69125509T DE69125509T DE69125509T2 DE 69125509 T2 DE69125509 T2 DE 69125509T2 DE 69125509 T DE69125509 T DE 69125509T DE 69125509 T DE69125509 T DE 69125509T DE 69125509 T2 DE69125509 T2 DE 69125509T2
Authority
DE
Germany
Prior art keywords
trication
charge control
negative charge
control agents
toner composition
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
DE69125509T
Other languages
English (en)
Other versions
DE69125509D1 (de
Inventor
Arthur Fred Diaz
Adolfo Ruiz Gutierrez
Dennis Richard Mckean
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.)
Lexmark International Inc
Original Assignee
Lexmark International 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.)
Filing date
Publication date
Application filed by Lexmark International Inc filed Critical Lexmark International Inc
Publication of DE69125509D1 publication Critical patent/DE69125509D1/de
Application granted granted Critical
Publication of DE69125509T2 publication Critical patent/DE69125509T2/de
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
    • G03G9/09741—Organic compounds cationic

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Developing Agents For Electrophotography (AREA)
DE69125509T 1990-01-11 1991-01-04 Di- und trikationische negative Ladungssteuerungsmittel für Tonerzusammensetzung Expired - Fee Related DE69125509T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/463,564 US4990426A (en) 1990-01-11 1990-01-11 Di- and tricationic negative charge control agents for electrophotographic developers

Publications (2)

Publication Number Publication Date
DE69125509D1 DE69125509D1 (de) 1997-05-15
DE69125509T2 true DE69125509T2 (de) 1997-11-13

Family

ID=23840538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125509T Expired - Fee Related DE69125509T2 (de) 1990-01-11 1991-01-04 Di- und trikationische negative Ladungssteuerungsmittel für Tonerzusammensetzung

Country Status (4)

Country Link
US (1) US4990426A (de)
EP (1) EP0437330B1 (de)
JP (1) JP2781858B2 (de)
DE (1) DE69125509T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187037A (en) * 1991-07-18 1993-02-16 Eastman Kodak Company Toners and developers containing ester-containing quaternary ammonium salts as charge control agents
US5166029A (en) * 1991-10-15 1992-11-24 Xerox Corporation Toner and developer compositions with charge enhancing additives
US5439770A (en) * 1993-04-20 1995-08-08 Canon Kabushiki Kaisha Toner for developing electrostatic image, image forming apparatus and process cartridge

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850642A (en) * 1971-07-16 1974-11-26 Eastman Kodak Co Multilayer radiation sensitive element having controlled triboelectric charging characteristics
US3893935A (en) * 1972-05-30 1975-07-08 Eastman Kodak Co Electrographic toner and developer composition
US4079014A (en) * 1976-07-21 1978-03-14 Eastman Kodak Company Electrographic toner and developer composition containing a 4-aza-1-azoniabicyclo(2.2.2) octane salt as a charge control agent
JPS53127726A (en) * 1977-04-13 1978-11-08 Canon Inc Electrostatic image developing toner
DE3174159D1 (en) * 1981-02-27 1986-04-24 Hodogaya Chemical Co Ltd Electrophotographic toner
US4415646A (en) * 1982-03-03 1983-11-15 Xerox Corporation Nitrogen containing polymers as charge enhancing additive for electrophotographic toner
US4562136A (en) * 1982-03-05 1985-12-31 Ricoh Company, Ltd. Two-component dry-type developer
US4411974A (en) * 1982-04-12 1983-10-25 Xerox Corporation Ortho-halo phenyl carboxylic acid charge enhancing additives
DE3470349D1 (en) * 1984-11-05 1988-05-11 Hodogaya Chemical Co Ltd Electrophotographic toner
US4623606A (en) * 1986-01-24 1986-11-18 Xerox Corporation Toner compositions with negative charge enhancing additives
JPH0623861B2 (ja) * 1986-08-04 1994-03-30 日本化薬株式会社 電子写真印刷用トナ−
JP2531954B2 (ja) * 1987-04-27 1996-09-04 保土谷化学工業株式会社 金属錯塩化合物および電子写真用トナ−

Also Published As

Publication number Publication date
US4990426A (en) 1991-02-05
JP2781858B2 (ja) 1998-07-30
EP0437330B1 (de) 1997-04-09
EP0437330A2 (de) 1991-07-17
DE69125509D1 (de) 1997-05-15
JPH05346687A (ja) 1993-12-27
EP0437330A3 (en) 1991-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee